ISO7221AD

Part: ISO722x — Texas Instruments

Type: Dual-Channel Digital Isolator

Description: The ISO722x family devices are dual-channel digital isolators providing galvanic isolation up to 4000 VPK, with signaling rates from 0 Mbps (DC) to 150 Mbps, operating with 2.8V, 3.3V, or 5V supplies.

Operating Conditions:

• Supply voltage: 2.8–5.5 V
• Operating temperature: -40 to +125 °C
• Signaling rate: 0–150 Mbps (ISO722xM)
• Output current: -4 to 4 mA

Absolute Maximum Ratings:

• Max supply voltage: 6 V
• Max output current: 15 mA
• Max junction/storage temperature: 170 °C (junction), 150 °C (storage)

Key Specs:

• Max repetitive peak isolation voltage (VDE): 560 VPK
• Max transient isolation voltage (VDE): 4000 VPK
• Withstand isolation voltage (UL 1577): 2500 VRMS
• Common-mode transient immunity (CMTI): 25 kV/μs (min), 50 kV/μs (typ)
• Channel-to-channel output skew: 1 ns Max
• Pulse-width distortion (PWD): 1 ns Max
• High-level output voltage (VCC=5V, IOH=-4mA): VCC - 0.8 V (min), 4.6 V (typ)
• Low-level output voltage (VCC=5V, IOL=4mA): 0.2 V (typ), 0.4 V (max)
• Input voltage hysteresis: 150 mV (typ)
• Barrier capacitance, input to output: 1 pF (typ)

Features:

• 1, 5, 25, and 150Mbps Signaling Rate Options
• Low Channel-to-Channel Output Skew; 1ns Max
• Low Pulse-Width Distortion (PWD); 1ns Max
• 50kV/μs Typical Transient Immunity
• Operates with 2.8V (C-Grade), 3.3V, or 5V Supplies
• 4kV ESD Protection
• -40°C to +125°C Operating Range

Applications:

• Factory Automation
• Computer Peripheral Interface
• Servo Control Interface
• Data Acquisition

Package:

• D (SOIC, 8)

• 1, 5, 25, and 150Mbps Signaling Rate Options
• -Low Channel-to-Channel Output Skew; 1ns Max
• -Low Pulse-Width Distortion (PWD); 1ns Max
• -Low Jitter Content; 1ns Typ at 150Mbps
• 50kV/μs Typical Transient Immunity
• Operates with 2.8V (C-Grade), 3.3V, or 5V Supplies
• 4kV ESD Protection
• High Electromagnetic Immunity
• -40°C to +125°C Operating Range
• Typical 28-Year Life at Rated Voltage (see Isolation Lifetime Projection)
• Safety Related Certifications
• -DIN EN IEC 60747-17 (VDE 0884-17) conformity per VDE
• -UL 1577 component recognition program
• -IEC 61010-1, IEC 62368-1 certifications

• Factory Automation
• -Modbus
• -Profibus ™
• -DeviceNet ™ Data Buses
• Computer Peripheral Interface
• Servo Control Interface
• Data Acquisition

Figure 4-1. ISO7220x D Package 8-Pin SOIC Top View

Figure 4-2. ISO7221x D Package 8-Pin SOIC Top View

VCC1 and VCC2 at 5 V ± 10% (over recommended operating conditions unless otherwise noted.)

over operating free-air temperature range (unless otherwise noted) (1)

The ISO7220x and ISO7221x family devices use single-ended TTL or CMOS-logic switching technology. The supply voltage range is from 3 V (2.8 V for C-grade) to 5.5 V for both supplies, V CC1 and V CC2 . When designing with digital isolators, because of the single-ended design structure, digital isolators do not conform to any specific interface standard and are only intended for isolating single-ended CMOS or TTL digital signal lines. The isolator is typically placed between the data controller (that is, μC or UART), and a data converter or a line transceiver, regardless of the interface type or standard.

• (1) For all available packages, see the orderable addendum at the end of the data sheet.
• (2) The package size (length × width) is a nominal value and includes pins, where applicable.

VCCI and GNDI are supply and ground connections respectively for the input channels.

VCCO and GNDO are supply and ground connections respectively for the output channels.