Overview
The AD8607AR-REEL, produced by Analog Devices Inc., is a dual micro-power rail-to-rail input and output operational amplifier. This component is part of the AD8603/AD8607/AD8609 family, known for its high precision and low power consumption. The AD8607 is particularly useful in applications requiring low offset voltage, low noise, and low input bias current, making it ideal for battery-powered instrumentation, multipole filters, sensors, and low power ASIC input or output amplifiers.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 50 μV maximum | -40°C to +125°C |
| Input Bias Current | 1 pA maximum | -40°C to +125°C |
| Supply Voltage Range | 1.8 V to 5 V (single supply), ±0.9 V to ±2.5 V (dual supply) | |
| Noise Voltage Density | 22 nV/√Hz at 10 kHz | |
| Supply Current per Amplifier | 40 μA to 50 μA | -40°C to +85°C |
| Common-Mode Rejection Ratio (CMRR) | 80 dB to 100 dB | 0 V < VCM < 1.8 V, -40°C to +125°C |
| Large Signal Voltage Gain (AVO) | 100 to 2000 V/mV | RL = 10 kΩ, 0.5 V < VO < 4.5 V |
| Output Voltage High (VOH) | 1.65 V to 1.72 V at IL = 1 mA | -40°C to +125°C |
| Output Voltage Low (VOL) | 38 mV to 60 mV at IL = 1 mA | -40°C to +125°C |
| Short-Circuit Current (ISC) | ±10 mA | |
| Slew Rate (SR) | 0.1 V/μs | RL = 10 kΩ |
Key Features
- Low offset voltage: 50 μV maximum
- Low input bias current: 1 pA maximum
- Single-supply operation: 1.8 V to 5 V, or dual-supply operation: ±0.9 V to ±2.5 V
- Low noise: 22 nV/√Hz at 10 kHz
- Micropower: 50 μA maximum supply current per amplifier
- Low distortion and no phase reversal
- Unity gain stable
- Capable of driving large capacitive loads without oscillating
Applications
- Battery-powered instrumentation
- Multipole filters
- Sensors
- Low power ASIC input or output amplifiers
- Portable and loop-powered instrumentation
- Buffering CMOS ADCs, DACs, ASICs, and other wide output swing devices in low power, single-supply systems
Q & A
- What is the maximum offset voltage of the AD8607AR-REEL?
The maximum offset voltage is 50 μV.
- What is the input bias current of the AD8607AR-REEL?
The input bias current is 1 pA maximum.
- What is the supply voltage range for the AD8607AR-REEL?
The supply voltage range is 1.8 V to 5 V for single supply and ±0.9 V to ±2.5 V for dual supply.
- What is the noise voltage density of the AD8607AR-REEL at 10 kHz?
The noise voltage density is 22 nV/√Hz at 10 kHz.
- What is the typical supply current per amplifier for the AD8607AR-REEL?
The typical supply current per amplifier is 40 μA to 50 μA.
- Is the AD8607AR-REEL capable of driving large capacitive loads?
Yes, it is capable of driving large capacitive loads without oscillating, and additional circuitry like a snubber network can improve stability.
- What are the common applications of the AD8607AR-REEL?
Common applications include battery-powered instrumentation, multipole filters, sensors, and low power ASIC input or output amplifiers.
- Does the AD8607AR-REEL exhibit phase reversal?
No, the AD8607AR-REEL does not exhibit phase reversal, even when the input voltage exceeds the maximum input common-mode voltage.
- What is the slew rate of the AD8607AR-REEL?
The slew rate is 0.1 V/μs.
- What is the short-circuit current of the AD8607AR-REEL?
The short-circuit current is ±10 mA.
