AD8608
Operational AmplifierThe AD8608 is a operational amplifier from Analog Devices. View the full AD8608 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
AD8608 shares its datasheet with AD8605, whose page lists every part number it covers.
Official AD8608 datasheet (PDF) — the source this page was extracted from.
Manufacturer
Analog DevicesCategory
Operational AmplifiersAD8608 Key Specifications
| Parameter | Value |
|---|---|
| Channels | 4 (quad) |
| Bandwidth | 10 MHz |
| Input/Output | Rail-to-rail |
| Open-Loop Gain | 1000 V/mV |
| Supply Voltage | 2.7V to 5.5V |
| Offset Voltage (Max) | 65 µV (AD8605/AD8606), 75 µV (AD8608) |
| Input Bias Current (Max) | 1 pA |
| Input Voltage Noise Density | 8 nV/√Hz |
| Operating Temperature Range | -40°C to +125°C |
| Offset Voltage Drift (AD8608, Max) | 6 µV/°C |
AD8608 Overview
Part: AD8605/AD8606/AD8608 from Analog Devices, Inc.
Type: Precision, Low Noise, CMOS, Rail-to-Rail, Input/Output Operational Amplifiers
Description: Single, dual, and quad rail-to-rail input and output operational amplifiers featuring very low offset voltage (65 μV max), low input bias currents (1 pA max), low noise (8 nV/√Hz), and wide bandwidth (10 MHz) with single-supply operation from 2.7 V to 5.5 V.
Operating Conditions:
- Supply voltage: 2.7 V to 5.5 V
- Operating temperature: -40°C to +125°C
- Bandwidth: 10 MHz
- Unity gain stable
Absolute Maximum Ratings:
- Max supply voltage: 6 V
- Max junction/storage temperature: +150°C
Key Specs:
- Offset Voltage (VOS): 65 μV maximum (AD8605/AD8606, VS=3.5V, VCM=3V)
- Input Bias Current (IB): 1 pA maximum
- Voltage Noise Density (en): 8 nV/√Hz at f = 1 kHz
- Unity Gain Bandwidth Product (GBP): 10 MHz
- Slew Rate (SR): 5 V/μs (RL = 2 kΩ, CL = 16 pF)
- Large Signal Voltage Gain (AVO): 1000 V/mV (RL = 2 kΩ, VO = 0.5V to 4.5V)
- Supply Current/Amplifier (ISY): 1.2 mA maximum (I OUT = 0mA)
- Output Current (I OUT): ±80 mA typical
Features:
- Low offset voltage: 65 μV maximum
- Low input bias currents: 1 pA maximum
- Low noise: 8 nV/√Hz
- Wide bandwidth: 10 MHz
- High open-loop gain: 1000 V/mV
- Unity gain stable
- Single-supply operation: 2.7 V to 5.5 V
- Rail-to-rail input and output
Applications:
- Photodiode amplification
- Battery-powered instrumentation
- Multipole filters
- Sensors
- Barcode scanners
- Audio
Package:
- 5-ball WLCSP
- 8-ball WLCSP
- 5-lead SOT-23
- 8-lead MSOP
- narrow SOIC
- 14-lead TSSOP
- narrow 14-lead SOIC
AD8608 Features
Low offset voltage: 65 μV maximum Low input bias currents: 1 pA maximum Low noise: 8 nV/√Hz Wide bandwidth: 10 MHz High open-loop gain: 1000 V/mV Unity gain stable Single-supply operation: 2.7 V to 5.5 V
5-ball WLCSP for single (AD8605) and 8-ball WLCSP for dual (AD8606)
AD8608 Applications
Photodiode amplification Battery-powered instrumentation Multipole filters Sensors Barcode scanners Audio
AD8608 Electrical Characteristics
VS = 5 V, VCM = VS/2, TA = 25°C, unless otherwise noted.
Table 1.
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| INPUT CHARACTERISTICS | ||||||
| Offset Voltage | V OS | |||||
| AD8605/AD8606 (Except WLCSP) | V S = 3.5 V,V CM = 3V | 20 | 65 | μV | ||
| AD8608 | V S = 3.5 V,V CM = 2.7V | 20 | 75 | μV | ||
| AD8605/AD8606/AD8608 | V S = 5V,V CM = 0V to 5V -40°C <T A < +125°C | 80 | 300 750 | μV μV | ||
| Input Bias Current | I B | 0.2 | 1 | pA | ||
| AD8605/AD8606 | -40°C <T A < +85°C | 50 | pA | |||
| AD8605/AD8606 | -40°C <T A < +125°C | 250 | pA | |||
| AD8608 | -40°C <T A < +85°C | 100 | pA | |||
| AD8608 | -40°C <T A < +125°C | 300 | pA | |||
| Input Offset Current | I OS | -40°C <T A < +85°C -40°C <T A < +125°C | 0.1 | 0.5 20 75 | pA pA pA | |
| Input Voltage Range | 0 | 5 | V | |||
| Common-Mode Rejection Ratio | CMRR | V CM = 0V to 5V | 85 | 100 | dB | |
| -40°C <T A < +125°C | 75 | 90 | dB | |||
| Large Signal Voltage Gain | A VO | R L = 2 kΩ,V O = 0.5V to 4.5V | 300 | 1000 | V/mV | |
| Offset Voltage Drift | ||||||
| AD8605/AD8606 | ∆V OS /∆T | -40°C <T A < +125°C | 1 | 4.5 | μV/°C | |
| AD8608 | ∆V OS /∆T | -40°C <T A < +125°C | 1.5 | 6.0 | μV/°C | |
| INPUT CAPACITANCE | ||||||
| Common-Mode Input Capacitance | C COM | 8.8 | pF | |||
| Differential Input Capacitance | C DIFF | 2.6 | pF | |||
| OUTPUT CHARACTERISTICS | ||||||
| Output Voltage High | V OH | I L =1mA | 4.96 | 4.98 | V | |
| I L =10mA | 4.7 | 4.79 | V | |||
| Output Voltage Low | V OL | I L =1mA | 20 | 40 | mV | |
| I L =10mA -40°C <T < +125°C | 170 | 210 290 | mV mV | |||
| Output Current | I OUT | ±80 | mA | |||
| Closed-Loop Output Impedance | Z OUT | f = 1 MHz, A V = 1 | 1 | Ω | ||
| POWER SUPPLY | ||||||
| Power Supply Rejection Ratio | PSRR | |||||
| AD8605/AD8606 | V S = 2.7V to 5.5V | 80 | 95 | dB | ||
| AD8605/AD8606WLCSP | V S = 2.7V to 5.5V | 75 | 92 | dB | ||
| AD8608 | V S = 2.7V to 5.5V | 77 | 92 | dB | ||
| -40°C <T A < +125°C | 70 | 90 | dB | |||
| Supply Current/Amplifier | I SY | I OUT =0mA -40°C <T A < +125°C | 1 | 1.2 1.4 | mA mA | |
| DYNAMIC PERFORMANCE | ||||||
| Slew Rate | SR | R L = 2 kΩ, C L = 16 pF | 5 | V/μs | ||
| Settling Time | t S | To 0.01%, 0V to 2V step, A V = 1 | <1 | μs | ||
| Unity Gain Bandwidth Product | GBP | 10 | MHz | |||
| Phase Margin | Φ M | 65 | Degrees |
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| NOISE PERFORMANCE | ||||||
| Peak-to-Peak Noise | e n p-p | f = 0.1 Hz to 10 Hz | 2.3 | 3.5 | μV p-p | |
| Voltage Noise Density | e n | f = 1 kHz | 8 | 12 | nV/√Hz | |
| e n | f = 10 kHz | 6.5 | nV/√Hz | |||
| Current Noise Density | i n | f = 1 kHz | 0.01 | pA/√Hz |
AD8608 Absolute Maximum Ratings
Table 3.
| Parameter | Rating |
|---|---|
| Supply Voltage | 6V |
| Input Voltage | GNDtoV S |
| Differential Input Voltage | 6V |
| Output Short-Circuit DurationtoGND | Observe Derating Curves |
| Storage Temperature Range All Packages | -65°C to +150°C |
| Operating Temperature Range All Packages Junction Temperature Range All Packages | -40°C to +125°C |
| -65°C to +150°C | |
| Lead Temperature (Soldering, 60 sec) | 300°C |
Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability.
| Table 4. PackageType | θ JA 1 | θ JC | Unit |
|---|---|---|---|
| 5-BallWLCSP (CB) | 170 | °C/W | |
| 5-Lead SOT-23 (RJ) | 240 | 92 | °C/W |
| 8-BallWLCSP (CB) | 115 | °C/W | |
| 8-Lead MSOP (RM) | 206 | 44 | °C/W |
| 8-Lead SOIC_N (R) | 157 | 56 | °C/W |
| 14-Lead SOIC_N (R) | 105 | 36 | °C/W |
| 14-LeadTSSOP (RU) | 148 | 23 | °C/W |
1 θJA is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
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All Operational Amplifiers datasheetsAll Analog Devices datasheets (700)
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