ISO7721
<span id="page-0-0"></span>ISO772x High-Speed, Robust EMC, Reinforced and Basic Dual-Channel Digital Isolators
Manufacturer
Texas Instruments
Overview
Part: ISO7720, ISO7721 from Texas Instruments
Type: High-Speed, Robust EMC, Reinforced and Basic Dual-Channel Digital Isolators
Key Specs:
- Data rate: 100 Mbps
- Isolation Rating: Up to 5000 VRMS
- Supply range: 2.25 V to 5.5 V
- Temperature range: –55°C to +125°C
- Propagation delay: 11 ns typical
- CMTI: ±100 kV/μs Typical
- Power consumption: 1.7 mA per channel at 1 Mbps
Features:
- Robust isolation barrier: >30-Year projected lifetime at 1.5 kVRMS working voltage
- Robust isolation barrier: Up to 12.8 kV surge capability
- 2.25-V to 5.5-V level translation
- Default output High (ISO772x) and Low (ISO772xF) Options
- Robust electromagnetic compatibility (EMC): System-Level ESD, EFT, and surge immunity
- Robust electromagnetic compatibility (EMC): ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Low emissions
- Automotive Version Available: ISO772x-Q1
- Safety-Related Certifications: DIN EN IEC 60747-17 (VDE 0884-17), UL 1577 component recognition program, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications
Applications:
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
Package:
- D (8): 4.90 mm × 3.91 mm
- DWV (8): 5.85 mm × 7.50 mm
- DW (16): 10.30 mm × 7.50 mm
Features
- 100 Mbps data rate
- Robust isolation barrier:
-
30-Year projected lifetime at 1.5 kVRMS working voltage
- Up to 5000 VRMS Isolation Rating
- Up to 12.8 kV surge capability
- ±100 kV/μs Typical CMTI
-
- Wide supply range: 2.25 V to 5.5 V
- 2.25-V to 5.5-V level translation
- Default output High (ISO772x) and Low (ISO772xF) Options
- Wide temperature range: –55°C to +125°C
- Low power consumption, typical 1.7 mA per channel at 1 Mbps
- Low propagation delay: 11 ns typical
- Robust electromagnetic compatibility (EMC)
- System-Level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Low emissions • Wide-SOIC (DW-16, DWV-8) and Narrow-SOIC (D-8) package options
- Automotive Version Available: ISO772x-Q1
- Safety-Related Certifications
- DIN EN IEC 60747-17 (VDE 0884-17)
- UL 1577 component recognition program
- IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications
Applications
Pin Configuration
Figure 5-1. ISO7720 DW Package 16-Pin SOIC Top View
Figure 5-2. ISO7721 DW Package 16-Pin SOIC Top View
Figure 5-3. ISO7720 D and DWV Package 8-Pin SOIC Top View
Figure 5-4. ISO7721 D and DWV Package 8-Pin SOIC Top View
Table 5-1. Pin Functions
- GND1
- GND2
- INA
- INB
- NC
- OUTA
- OUTB
- VCC1
- VCC2
(1) I = Input, O = Output
6 Specifications
6.1 Absolute Maximum Ratings
See(1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VCC1, VCC2 | Supply voltage(2) | -0.5 | 6 | V |
| V | Voltage at INx, OUTx | -0.5 | VCCX + 0.5 (3) | V |
| Io | Output current | -15 | 15 | mA |
| TJ | Junction temperature | -65 | 150 | °C |
| Tstg | Storage temperature | -65 | 150 | °C |
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values except differential I/O bus voltages are with respect to the local ground terminal (GND1 or GND2) and are peak voltage values
(3) Maximum voltage must not exceed 6 V.
6.2 ESD Ratings
| VALUE | UNIT | |||
|---|---|---|---|---|
| VESD | Electrostatic discharge | Human body model (HBM), per ANSI/ ESDA/JEDEC JS-001, all pins (1) | ±6000 | V |
| Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) | ±1500 | V | ||
| Contact discharge per IEC 61000-4-2; Isolation barrier withstand test(3) (4) | ±8000 | V |
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
(3) IEC ESD strike is applied across the barrier with all pins on each side tied together creating a two-terminal device.
(4) Testing is carried out in air or oil to determine the intrinsic contact discharge capability of the device.
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | NOM | MAX | UNIT | |||
|---|---|---|---|---|---|---|
| VCC1, VCC2 (1) | Supply voltage | 2.25 | 5.5 | V | ||
| VCC(UVLO+) | UVLO threshold when supply voltage is rising | 2 | 2.25 | V | ||
| VCC(UVLO-) | UVLO threshold when supply voltage is falling | 1.7 | 1.8 | V | ||
| VHYS(UVLO) | Supply voltage UVLO hysteresis | 100 | 200 | mV | ||
| IOH | High level output current |
(1) VCC1 and VCC2 can be set independent of one another
(2) VCCI = Input-side VCC; VCCO = Output-side VCC
(3) 100 Mbps is the maximum specified data rate, although higher data rates are possible
6.4 Thermal Information
- RθJA
- RθJC(top)
- RθJB
- ψJT
- ψJB
- RθJC(bot)
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.
6.5 Power Ratings
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| ISO7720 | ||||||
| PD | Maximum power dissipation (both sides) | VCC1 = VCC2 = 5.5 V, TJ = 150°C, CL = 15 pF, Input 50-MHz 50% duty cycle square wave | 110 | mW | ||
| PD1 | Maximum power dissipation (side-1) | 22 | mW | |||
| PD2 | Maximum power dissipation (side-2) | 88 | mW | |||
| ISO7721 | ||||||
| PD | Maximum power dissipation (both sides) | VCC1 = VCC2 = 5.5 V, TJ = 150°C, CL = 15 pF, Input a 50-MHz 50% duty cycle square wave | 110 | mW | ||
| PD1 | Maximum power dissipation (side-1) | 55 | mW | |||
| PD2 | Maximum power dissipation (side-2) | 55 | mW |
6.6 Insulation Specifications
| VALUE | ||||
|---|---|---|---|---|
| PARAMETER | TEST CONDITIONS | DW | ||
| IEC 60664-1 | ||||
| CLR | External clearance(1) | Shortest terminal-to-terminal distance through air | ||
| CPG | External creepage(1) | Shortest terminal-to-terminal distance across the package surface | 8 | |
| DTI | Distance through the insulation | Minimum internal gap (internal clearance) | 17 | |
| CTI | Comparative tracking index | DIN EN 60112 (VDE 0303-11); IEC 60112; UL 746A | >600 | |
| Material Group | According to IEC 60664-1 | I | ||
| Rated mains voltage ≤ 150 VRMS | I–IV | |||
| Overvoltage category per IEC | Rated mains voltage ≤ 300 VRMS | I–IV | ||
| 60664-1 | Rated mains voltage ≤ 600 VRMS | I–IV | ||
| DIN EN IEC 60747-17 (VDE 0884-17)(2) | Rated mains voltage ≤ 1000 VRMS | I-III | ||
| Maximum repetitive peak | ISO772x | 2121 | ||
| VIORM | isolation voltage | AC voltage (bipolar) | ISO7721B | 1414 |
| AC voltage; time-dependent dielectric | ISO772x | 1500 | ||
| Maximum working isolation voltage | breakdown (TDDB) test, see Figure 9-6 | ISO7721B | 1000 | |
| VIOWM | DC voltage | ISO772x | 2121 | |
| ISO7721B | 1414 | |||
| VIOTM | Maximum transient isolation voltage | VTEST = VIOTM , t = 60 s (qualification); VTEST = 1.2 × VIOTM, t = 1 s (100% production) | 8000 | |
| Tested in air, 1.2/50-μs waveform per | ISO772x | 8000 | ||
| VIMP | Maximum impulse voltage (3) | IEC 62368-1 | ISO7721B | 6000 |
| VIOSM | Maximum surge isolation voltage(4) | VIOSM ≥ 1.3 x VIMP; Tested in oil (qualification test), | ISO772x | 12800 |
| ISO7721B 1.2/50-μs waveform, per IEC 62368-1 | 7800 | |||
| Apparent charge(5) | Method a: After I/O safety test subgroup 2/3, Vini = VIOTM, tini = 60 s; Vpd(m) = 1.2 × VIORM , tm = 10 s | ≤ 5 | ||
| Method a: After environmental tests subgroup 1, Vini = VIOTM, tini = 60 s; | Vpd(m) = 1.6 x VIORM, tm = 10 s (ISO772x) | ≤ 5 | ||
| qpd | Vpd(m) = 1.3 x VIORM, tm = 10 s (ISO7721B) | ≤ 5 | ||
| Method b: At routine test (100% production) and preconditioning (type test); Vini = 1.2 x VIOTM, tini = 1 s; Vpd(m) = 1.875 x VIORM (ISO772x) or Vpd(m) = 1.5 x VIORM (ISO7721B) , tm = 1 s (method b1) or Vpd(m) = Vini, tm = tini (method b2) | ≤ 5 | |||
| CIO | Barrier capacitance, input to output(6) | VIO = 0.4 × sin (2 πft), f = 1 MHz | ~0.5 | |
| RIO | VIO = 500 V, TA = 25°C | > 1012 | ||
| Isolation resistance(6) | VIO = 500 V, 100°C ≤ TA ≤ 125°C | > 1011 | ||
| VIO = 500 V at TS = 150°C | > 109 | |||
| Pollution degree | 2 | |||
| Climatic category | 55/125/ 21 | |||
| UL 1577 |
ISO7720, ISO7721 SLLSEP3G – NOVEMBER 2016 – REVISED MAY 2024
| PARAMETER | TEST CONDITIONS | VALUE | UNIT | ||
|---|---|---|---|---|---|
| DW | DWV | D | |||
| VISO | Withstand isolation voltage | VTEST = VISO , t = 60 s (qualification); VTEST = 1.2 × VISO , t = 1 s (100% production) | 5000 | 5000 | 3000 |
(1) Creepage and clearance requirements should be applied according to the specific equipment isolation standards of an application. Care should be taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on the printed-circuit board do not reduce this distance. Creepage and clearance on a printed-circuit board become equal in certain cases. Techniques such as inserting grooves, ribs, or both on a printed circuit board are used to help increase these specifications.
(2) This coupler is suitable for safe electrical insulation (ISO772x) and basic electrical insulation (ISO7721B) only within the safety ratings. Compliance with the safety ratings shall be ensured by means of suitable protective circuits.
- (3) Testing is carried out in air to determine the surge immunity of the package
- (4) Testing is carried out in oil to determine the intrinsic surge immunity of the isolation barrier.
- (5) Apparent charge is electrical discharge caused by a partial discharge (pd).
- (6) All pins on each side of the barrier tied together creating a two-pin device.
6.7 Safety-Related Certifications
| VDE | CSA | UL | CQC | TUV |
|---|---|---|---|---|
| Certified according to DIN EN IEC 60747-17 (VDE 0884-17) | Certified according to IEC 62368-1 and IEC 60601-1 | Recognized under UL 1577 Component Recognition Program | Certified according to GB4943.1 | Certified according to EN 61010-1 and EN 62368-1 |
| Maximum transient isolation voltage, 8000 VPK (DW-16), 7071 VPK (DWV-8) and 4242 VPK (D-8); Maximum repetitive peak isolation voltage, 2121 VPK (DW-16, DWV-8, Reinforced), 1414 VPK (DW-16, Basic) and 637 VPK (D-8); Maximum surge isolation voltage, 12800 VPK (DW-16, DWV-8, Reinforced), 7800 VPK (DW-16, Basic) and 10000 VPK (D-8) | 600 VRMS (DW-16) and 600 VRMS (DWV-8) reinforced insulation and 400 VRMS (D-8) basic insulation working voltage per CSA 62368-1 and IEC 62368-1, (pollution degree 2, material group I); 2 MOPP (Means of Patient Protection) per CSA 60601-1 and IEC 60601-1, 250 VRMS (DW-16, DWV-8) max working voltage | DW-16, DWV-8: Single protection, 5000 VRMS; D-8: Single protection, 3000 VRMS | DW-16, DWV-8: Reinforced Insulation, Altitude ≤ 5000 m, Tropical Climate,700 VRMS maximum working voltage; D-8: Basic Insulation, Altitude ≤ 5000 m, Tropical Climate, 400 VRMS maximum working voltage | 5000 VRMS (DW-16, DWV-8) and 3000 VRMS (D-8) Reinforced insulation per EN 61010-1 up to working voltage of 600 VRMS (DW-16, DWV-8) and 300 VRMS (D-8) 5000 VRMS (DW-16, DWV-8) and 3000 VRMS (D-8) Reinforced insulation per EN 62368-1 up to working voltage of 600 VRMS (DW-16, DWV-8) and 400 VRMS (D-8) |
| Certificate numbers: 40040142 (Reinforced) 40047657 (Basic) | Master contract number: 220991 | File number: E181974 | Certificate numbers: CQC21001304083 (DW-16) CQC18001199096 (DWV-8) CQC15001121656 (D-8) | Client ID number: 77311 |
6.8 Safety Limiting Values
Safety limiting(1) intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| DW-16 PACKAGE | ||||||
| IS | Safety input, output, or supply current | RθJA =86.5°C/W, VI = 5.5 V, TJ = 150°C, TA = 25°C, see Figure 6-1 RθJA = 86.5°C/W, VI = 3.6 V, TJ = 150°C, TA = 25°C, see Figure 6-1 RθJA = 86.5°C/W, VI = 2.75 V, TJ = 150°C, TA = 25°C, see Figure 6-1 | 263 401 525 | mA | ||
| PS | Safety input, output, or total power | RθJA = 86.5°C/W, TJ = 150°C, TA = 25°C, see Figure 6-2 | 1445 | mW | ||
| TS | Maximum safety temperature | 150 | °C | |||
| DWV-8 PACKAGE | ||||||
| IS | Safety input, output, or supply current (1) | RθJA =84.3°C/W, VI = 5.5 V, TJ = 150°C, TA = 25°C, see Figure 6-3 RθJA = 84.3°C/W, VI = 3.6 V, TJ = 150°C, TA = 25°C, see Figure 6-3 RθJA = 84.3°C/W, VI = 2.75 V, TJ = 150°C, TA = 25°C, see Figure 6-3 | 270 412 539 | mA | ||
| PS | Safety input, output, or total power (1) | RθJA = 84.3°C/W, TJ = 150°C, TA = 25°C, see Figure 6-4 | 1483 | mW | ||
| TS | Maximum safety temperature (1) | 150 | °C | |||
| D-8 PACKAGE |
Safety limiting(1) intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry.
| PARAMETER | | TEST CONDITIONS | MIN | TYP | MAX | UNIT | | ----------- | --------------------------------------------- | 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(1) The maximum safety temperature, TS, has the same value as the maximum junction temperature, TJ , specified for the device. The IS and PS parameters represent the safety current and safety power respectively. The maximum limits of IS and PS should not be exceeded. These limits vary with the ambient temperature, TA.
The junction-to-air thermal resistance, RθJA, in Section 6.4 is that of a device installed on a high-K test board for leaded surface-mount packages. Use these equations to calculate the value for each parameter:
TJ = TA + RθJA × P, where P is the power dissipated in the device.
TJ(max) = TS = TA + RθJA × PS, where TJ(max) is the maximum allowed junction temperature.
PS = IS × VI , where VI is the maximum input voltage.
6.9 Electrical Characteristics—5-V Supply
VCC1 = VCC2 = 5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |---|---|---|---|---|---|---| | VOH | High-level output voltage | IOH = -4 mA; see Figure 7-1 | VCCO - 0.4(1) | 4.8 | | V | | VOL | Low-level output voltage | IOL = 4 mA; see Figure 7-1 | | 0.2 | 0.4 | V | | VIT+(IN) | Rising input threshold voltage | | | 0.6 x VCCI | 0.7 x VCCI(1) | V | | VIT-(IN) | Falling input threshold voltage | 0.3 x
(1) VCCI = Input-side VCC; VCCO = Output-side VCC
(2) Measured from input pin to same side ground.
6.10 Supply Current Characteristics—5-V Supply
VCC1 = VCC2 = 5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | SUPPLY CURRENT | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|---|
| ISO7720 | ICC1 | 0.8 | 1.6 | ||||
| Supply current - DC signal | VI = VCCI (1)(ISO7720), VI = 0 V (ISO7720 with F suffix) | ICC2 | 1.1 | 2 | |||
| VI = 0V (ISO7720), VI = VCCI (ISO7720 | |||||||
| (1) VCCI = Input-side VCC |
6.11 Electrical Characteristics—3.3-V Supply
VCC1 = VCC2 = 3.3 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| VOH | High-level output voltage | IOH = -2mA ; see Figure 7-1 | VCCO - 0.3(1) | 3.2 | V | |
| VOL | Low-level output voltage | IOL = 2mA ; see Figure 7-1 | 0.1 | 0.3 | V | |
| VIT+(IN) | Rising input threshold voltage | 0.6 x VCCI | (1) 0.7 x VCCI | V | ||
| VIT-(IN) | Falling input threshold voltage | 0.3 x VCCI | 0.4 x VCCI | V | ||
| VI(HYS) | Input threshold voltage hysteresis | 0.1 x VCCI | 0.2 x VCCI | V | ||
| IIH | High-level input current | VIH = VCCI (1) at INx | 10 | μA | ||
| IIL | Low-level input current | VIL = 0 V at INx | -10 | μA | ||
| CMTI | Common mode transient immunity | VI = VCCI or 0 V, VCM = 1200 V; see Figure 7-3 | 85 | 100 | kV/μs |
(1) VCCI = Input-side VCC; VCCO = Output-side VCC
6.12 Supply Current Characteristics—3.3-V Supply
VCC1 = VCC2 = 3.3 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | SUPPLY CURRENT | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|---|
| ISO7720 | |||||||
| Supply current - DC signal | V_I = V_CCI (1) (ISO7720), V_I = 0 V (ISO7720 with F suffix) | ICC1 | 0.8 | 1.5 | |||
| ICC2 | 1.1 | 1.9 | |||||
6.13 Electrical Characteristics—2.5-V Supply
VCC1 = VCC2 = 2.5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| VOH | High-level output voltage | IOH = -1mA ; see Figure 7-1 | VCCO - 0.2(1) | 2.45 | V | |
| VOL | Low-level output voltage | IOL = 1mA ; see Figure 7-1 | 0.05 | 0.2 | V | |
| VIT+(IN) | Rising input threshold voltage | 0.6 x VCCI | 0.7 x VCCI (1) | V | ||
| VIT-(IN) | Falling input threshold voltage | 0.3 x VCCI | 0.4 x VCCI | V | ||
| VI(HYS) | Input threshold voltage hysteresis | 0.1 x VCCI | 0.2 x VCCI | V | ||
| IIH | High-level input current | VIH = VCCI (1) at INx | 10 | μA | ||
| IIL | Low-level input current | VIL = 0 V at INx | -10 | μA | ||
| CMTI | Common mode transient immunity | VI = VCCI or 0 V, VCM = 1200 V, see Figure 7-3 | 85 | 100 | kV/μs |
(1) VCCI = Input-side VCC; VCCO = Output-side VCC
6.14 Supply Current Characteristics—2.5-V Supply
VCC1 = VCC2 = 2.5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | SUPPLY CURRENT | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| ISO7720 | ||||||
| Supply current - DC signal | VI = VCCI(1)(ISO7720), VI = 0 V (ISO7720 with F suffix) | ICC1 | 0.8 | 1.5 | ||
| ICC2 | 1.1 | 1.9 | ||||
| VI = 0V (ISO7720), VI = VCCI (ISO7720 with | ||||||
| (1) VCCI = Input-side VCC |
6.15 Switching Characteristics—5-V Supply
VCC1 = VCC2 = 5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| tPLH, tPHL | Propagation delay time | 6 | 11 | 17 | ns | |
| PWD | Pulse width distortion(1) tPHL – tPLH | See Figure 7-1 | 0.5 | 5.9 | ns | |
| tsk(o) | Channel-to-channel output skew time (2) | Same direction channels | 4 | ns | ||
| tsk(pp) | Part-to-part skew time(3) | 4.5 | ns | |||
| tr | Output signal rise time | 2.4 | 3.9 | ns | ||
| tf | Output signal fall time | See Figure 7-1 | 2.4 | 3.9 | ns | |
| tDO | Default output delay time from input power loss | Measured from the time VCC goes below 1.7V. See Figure 7-2 | 0.1 | 0.3 | μs | |
| tie | Time interval error | 2^16 – 1 PRBS data at 100 Mbps | 1 | ns |
(1) Also known as pulse skew.
(2) tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads.
(3) tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads.
6.16 Switching Characteristics—3.3-V Supply
VCC1 = VCC2 = 3.3 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| tPLH, tPHL Propagation delay time | 6 | 11 | 18.5 | ns | |
| PWD Pulse width distortion(1) |tPHL – tPLH| | See Figure 7-1 | 0.5 | 5.9 | ns | |
| tsk(o) Channel-to-channel output skew time(2) | Same direction channels | 4.4 | ns | ||
| tsk(pp) Part-to-part skew time(3) | 5 | ns | |||
| tr Output signal rise time | 0.7 | 3 | ns | ||
| tf Output signal fall time | See Figure 7-1 | 0.7 | 3 | ns | |
| tDO Default output delay time from input power loss | Measured from the time VCC goes below 1.7V. See Figure 7-2 | 0.1 | 0.3 | μs | |
| tie Time interval error | 2^16 – 1 PRBS data at 100 Mbps | 1 | ns |
(1) Also known as pulse skew.
(2) tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads.
(3) tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads.
6.17 Switching Characteristics—2.5-V Supply
VCC1 = VCC2 = 2.5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| tPLH, tPHL | Propagation delay time | See Figure 7-1 | 7.5 | 12 | 21 | ns |
| PWD | Pulse width distortion(1) tPHL – tPLH | 0.5 | 5.9 | ns | ||
| tsk(o) | Channel-to-channel output skew time(2) | Same direction channels | 4.4 | ns | ||
| tsk(pp) | Part-to-part skew time(3) | 5.5 | ns | |||
| tr | Output signal rise time | See Figure 7-1 | 1 | 3.5 | ns | |
| tf | Output signal fall time | 1 | 3.5 | ns | ||
| tDO | Default output delay time from input power loss | Measured from the time VCC goes below 1.7V. See Figure 7-2 | 0.1 | 0.3 | μs | |
| tie | Time interval error | 2^16 – 1 PRBS data at 100 Mbps | 1 | ns |
(1) Also known as pulse skew.
(2) tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads.
(3) tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads.
6.18 Insulation Characteristics Curves
6.19 Typical Characteristics
7 Parameter Measurement Information
- A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50 Ω. At the input, 50 Ω resistor is required to terminate Input Generator signal. It is not needed in actual application.
- B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 7-1. Switching Characteristics Test Circuit and Voltage Waveforms
- A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
- B. Power Supply Ramp Rate = 10 mV/ns
A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 7-3. Common-Mode Transient Immunity Test Circuit
Electrical Characteristics
VCC1 = VCC2 = 5 V ± 10% (over recommended operating conditions unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |---|---|---|---|---|---|---| | VOH | High-level output voltage | IOH = -4 mA; see Figure 7-1 | VCCO - 0.4(1) | 4.8 | | V | | VOL | Low-level output voltage | IOL = 4 mA; see Figure 7-1 | | 0.2 | 0.4 | V | | VIT+(IN) | Rising input threshold voltage | | | 0.6 x VCCI | 0.7 x VCCI(1) | V | | VIT-(IN) | Falling input threshold voltage | 0.3 x
(1) VCCI = Input-side VCC; VCCO = Output-side VCC
(2) Measured from input pin to same side ground.
Absolute Maximum Ratings
See(1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VCC1, VCC2 | Supply voltage(2) | -0.5 | 6 | V |
| V | Voltage at INx, OUTx | -0.5 | VCCX + 0.5 (3) | V |
| Io | Output current | -15 | 15 | mA |
| TJ | Junction temperature | -65 | 150 | °C |
| Tstg | Storage temperature | -65 | 150 | °C |
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values except differential I/O bus voltages are with respect to the local ground terminal (GND1 or GND2) and are peak voltage values
(3) Maximum voltage must not exceed 6 V.
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | NOM | MAX | UNIT | |||
|---|---|---|---|---|---|---|
| VCC1, VCC2 (1) | Supply voltage | 2.25 | 5.5 | V | ||
| VCC(UVLO+) | UVLO threshold when supply voltage is rising | 2 | 2.25 | V | ||
| VCC(UVLO-) | UVLO threshold when supply voltage is falling | 1.7 | 1.8 | V | ||
| VHYS(UVLO) | Supply voltage UVLO hysteresis | 100 | 200 | mV | ||
| IOH | High level output current |
(1) VCC1 and VCC2 can be set independent of one another
(2) VCCI = Input-side VCC; VCCO = Output-side VCC
(3) 100 Mbps is the maximum specified data rate, although higher data rates are possible
Thermal Information
- RθJA
- RθJC(top)
- RθJB
- ψJT
- ψJB
- RθJC(bot)
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.
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