Overview
The AD8671AR is a high-precision, general-purpose operational amplifier produced by Analog Devices Inc. This amplifier is designed to deliver high-quality signal processing with minimal interference and distortion. It features very low noise, low input bias current, and low offset voltage, making it ideal for a variety of precision applications. The AD8671AR operates over a wide supply voltage range and is known for its excellent precision, stability, and robust design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | |
| Number of Circuits | 1 | |
| Slew Rate | 4 | V/μs |
| Gain Bandwidth Product | 10 | MHz |
| Input Bias Current | 3 (typ), 12 (max) | nA |
| Input Offset Voltage | 20 (typ), 75 (max) | μV |
| Supply Current | 3 (typ), 3.5 (max) | mA |
| Output Current per Channel | 20 | mA |
| Supply Voltage Range | 10 to 36 | V |
| Operating Temperature | -40 to 125 | °C |
| Common Mode Rejection Ratio | 120 | dB |
| Power Supply Rejection Ratio | 130 | dB |
| Package | 8-SOIC, 8-MSOP | |
| Mounting Type | Surface Mount |
Key Features
- High precision with low input offset voltage (20 μV typ) and low input bias current (3 nA typ).
- Wide supply voltage range of 10 V to 36 V, allowing for dual-supply operation.
- High gain bandwidth product of 10 MHz and a slew rate of 4 V/μs.
- Excellent noise performance with a voltage noise density of 2.8 nV/√Hz.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 120 dB and 130 dB, respectively.
- Robust design compliant with RoHS3 environmental standards.
Applications
- Instrumentation and measurement equipment.
- Process control systems.
- Data acquisition systems.
- Industrial and medical electronics.
- Precision filters, PLL filters, and professional quality audio.
- Precision power supply controls, ATE, and precision controls.
Q & A
- What is the typical input offset voltage of the AD8671AR?
The typical input offset voltage is 20 μV. - What is the slew rate of the AD8671AR?
The slew rate is 4 V/μs. - What is the gain bandwidth product of the AD8671AR?
The gain bandwidth product is 10 MHz. - What is the operating temperature range of the AD8671AR?
The operating temperature range is -40°C to 125°C. - Is the AD8671AR RoHS compliant?
Yes, the AD8671AR is RoHS3 compliant. - What are the typical supply currents for the AD8671AR?
The typical supply current is 3 mA, with a maximum of 3.5 mA. - What is the common-mode rejection ratio (CMRR) of the AD8671AR?
The CMRR is 120 dB. - What is the power supply rejection ratio (PSRR) of the AD8671AR?
The PSRR is 130 dB. - What are some common applications of the AD8671AR?
Common applications include instrumentation, process control, data acquisition, industrial and medical electronics, and precision filters. - What package types are available for the AD8671AR?
The AD8671AR is available in 8-SOIC and 8-MSOP packages.
