Overview
The AD8571ARMZ-R2, produced by Analog Devices Inc., is a precision operational amplifier that belongs to the AD8571/AD8572/AD8574 family. This device is known for its high accuracy and low noise characteristics, making it suitable for a variety of sensitive measurement and automotive applications. The AD8571ARMZ-R2 features a single auto-zeroing or chopper-stabilized amplifier topology, which provides benefits such as extremely low offset voltage and minimal temperature drift, ensuring high dc precision and low distortion for ac signals.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage | 1 µV | - |
| Input Bias Current | 10 pA to 50 pA | -40°C to +125°C |
| Common-Mode Rejection Ratio (CMRR) | 115 dB to 130 dB | VCM = 0 V to 5 V, -40°C to +125°C |
| Supply Voltage Range | 2.7 V to 5.5 V | - |
| Supply Current per Amplifier | 850 µA to 1075 µA | -40°C to +125°C |
| Output Voltage High (VOH) | 4.95 V to 4.98 V | RL = 10 kΩ to GND, -40°C to +125°C |
| Output Voltage Low (VOL) | 10 mV to 30 mV | RL = 10 kΩ to V+, -40°C to +125°C |
| Short-Circuit Limit (ISC) | ±25 mA to ±50 mA | -40°C to +125°C |
| Slew Rate (SR) | 0.4 V/µs | RL = 10 kΩ |
| Gain Bandwidth Product (GBP) | 1.5 MHz | - |
| Operating Temperature Range | -40°C to +125°C | - |
| Package Type | 8-TSSOP (0.173", 4.40mm Width) | - |
Key Features
- Auto-Zeroing/Chopper-Stabilized Topology: Provides extremely low offset voltage and minimal temperature drift.
- Rail-to-Rail Input and Output: Allows the input common-mode voltage range to reach both supply rails and ensures full output swing.
- Low Offset Voltage: 1 µV, ensuring high dc precision.
- Low Temperature Drift: 5 nV/°C, minimizing offset voltage errors over the operating temperature range.
- High CMRR and PSRR: Common-Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR) of up to 130 dB.
- Low Power Consumption: Supply current per amplifier as low as 850 µA.
- High Slew Rate and Gain Bandwidth Product: Slew rate of 0.4 V/µs and gain bandwidth product of 1.5 MHz.
Applications
- Sensitive Measurement Applications: Ideal for applications requiring high precision and low noise, such as medical devices, scientific instruments, and precision measurement systems.
- Automotive Applications: Suitable for automotive systems that require robust performance over a wide temperature range.
- Industrial Automation: Used in industrial control systems, sensors, and data acquisition systems where high accuracy and reliability are crucial.
- Aerospace and Defense: Applicable in aerospace and defense systems that demand high precision and stability.
Q & A
- What is the input offset voltage of the AD8571ARMZ-R2?
The input offset voltage is 1 µV.
- What is the operating temperature range of the AD8571ARMZ-R2?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the AD8571ARMZ-R2?
The supply voltage range is 2.7 V to 5.5 V.
- What is the slew rate of the AD8571ARMZ-R2?
The slew rate is 0.4 V/µs.
- What is the gain bandwidth product of the AD8571ARMZ-R2?
The gain bandwidth product is 1.5 MHz.
- What is the common-mode rejection ratio (CMRR) of the AD8571ARMZ-R2?
The CMRR is up to 130 dB.
- What is the power supply rejection ratio (PSRR) of the AD8571ARMZ-R2?
The PSRR is up to 130 dB.
- What is the output current capability of the AD8571ARMZ-R2?
The output current capability is ±30 mA.
- What package type is the AD8571ARMZ-R2 available in?
The AD8571ARMZ-R2 is available in an 8-TSSOP package.
- What are some typical applications for the AD8571ARMZ-R2?
Typical applications include sensitive measurement systems, automotive systems, industrial automation, and aerospace and defense systems.
