Overview
The AD8607ARM-R2, 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 low offset voltage, low input bias current, and low noise characteristics. It is designed for single-supply operation from 1.8 V to 5 V, making it suitable for a wide range of applications, particularly in battery-powered devices and low-power systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VS = 3.3 V, VCM = 0.5 V and 2.8 V | 12 | 50 | - | µV |
| Offset Voltage Drift | ΔVOS/ΔT | -40°C < TA < +125°C | 1 | - | 4.5 | µV/°C |
| Input Bias Current | IB | -40°C < TA < +85°C | 0.2 | 1 | 50 | pA |
| Input Offset Current | IOS | -40°C < TA < +85°C | 0.1 | 0.5 | 50 | pA |
| Input Voltage Range | IVR | - | -0.3 | - | +5.2 | V |
| Common-Mode Rejection Ratio | CMRR | 0 V < VCM < 5 V | 85 | - | 100 | dB |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, 0.5 V < VO < 4.5 V | 250 | - | 450 | V/mV |
| Output Voltage High | VOH | IL = 1 mA | 4.95 | - | 4.97 | V |
| Output Voltage Low | VOL | IL = 1 mA | 16 | - | 30 | mV |
| Supply Current/Amplifier | ISY | VO = 0 V | 40 | - | 50 | µA |
Key Features
- Low Offset Voltage: Maximum of 50 µV, ensuring high precision in signal amplification.
- Low Input Bias Current: Maximum of 1 pA, reducing the impact of input bias on the signal.
- Single-Supply Operation: Operates from 1.8 V to 5 V, making it versatile for various power supply conditions.
- Low Noise: 22 nV/√Hz, which is crucial for applications requiring high signal integrity.
- Micropower Consumption: Maximum supply current of 50 µA per amplifier, ideal for battery-powered devices.
- Low Distortion and No Phase Reversal: Ensures that the output signal remains faithful to the input signal.
- Unity Gain Stable: Stable operation at unity gain, which is essential for many amplifier configurations.
Applications
- Battery-Powered Instrumentation: Ideal for portable and low-power measurement instruments.
- Multipole Filters: Suitable for use in filter circuits due to its low noise and high precision.
- Sensors: Used in sensor circuits to amplify low-level signals with minimal distortion.
- Low Power ASIC Input or Output Amplifiers: Applicable in low-power ASIC designs where precision and low power consumption are critical.
Q & A
- What is the maximum offset voltage of the AD8607ARM-R2?
The maximum offset voltage is 50 µV.
- What is the input bias current range of the AD8607ARM-R2?
The input bias current is typically 1 pA, with a maximum of 50 pA over the temperature range -40°C to +85°C.
- What is the operating voltage range for the AD8607ARM-R2?
The AD8607ARM-R2 operates from a single supply of 1.8 V to 5 V.
- What is the noise level of the AD8607ARM-R2?
The noise level is 22 nV/√Hz.
- Is the AD8607ARM-R2 suitable for battery-powered applications?
Yes, it is highly suitable due to its micropower consumption of 50 µA maximum per amplifier.
- What is the common-mode rejection ratio (CMRR) of the AD8607ARM-R2?
The CMRR is 85 dB to 100 dB over the specified temperature range.
- What is the large signal voltage gain of the AD8607ARM-R2?
The large signal voltage gain is 250 V/mV to 450 V/mV.
- Is the AD8607ARM-R2 unity gain stable?
Yes, it is unity gain stable.
- What are some typical applications of the AD8607ARM-R2?
Typical applications include battery-powered instrumentation, multipole filters, sensors, and low-power ASIC input or output amplifiers.
- What is the output voltage range of the AD8607ARM-R2?
The output voltage high is typically 4.95 V to 4.97 V, and the output voltage low is typically 16 mV to 30 mV at 1 mA load current.
