Overview
The AD8271BRMZ, produced by Analog Devices Inc., is a programmable gain precision difference amplifier designed for high-performance signal conditioning. This single-channel amplifier is housed in a 10-lead MSOP package and operates over an industrial temperature range of −40°C to +85°C. It is fully RoHS compliant and can be configured for various gain settings without the need for external components. The AD8271BRMZ is suitable for applications requiring precise amplification of differential signals with high accuracy and low distortion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | ±2.5 V to ±18 V | V |
| Supply Current | 2.6 mA (max) | mA |
| Bandwidth | 15 MHz | MHz |
| Slew Rate | 30 V/μs | V/μs |
| Gain Error | 0.08% (max) | % |
| Gain Drift | 10 ppm/°C (max) | ppm/°C |
| Common Mode Rejection Ratio (CMRR) | 80 dB (min, gain of 2) | dB |
| Input Bias Current | 500 nA | nA |
| Input Offset Voltage | 300 µV | µV |
| Output Current per Channel | 100 mA | mA |
| Package Type | 10-MSOP | - |
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- Programmable Gain: Can be configured for gains of ½, 1, or 2 without external components, and over 40 single-ended configurations with gains ranging from −2 to +3.
- High Accuracy: Low gain error (0.08% max) and low gain drift (10 ppm/°C max).
- High CMRR: Minimum 80 dB common mode rejection ratio at a gain of 2.
- Low Distortion: High performance with 15 MHz bandwidth and 30 V/μs slew rate.
- Flexible Supply: Operates on both single and dual supplies (±2.5 V to ±18 V).
- Compact Package: 10-lead MSOP package.
- RoHS Compliant: Fully compliant with RoHS standards.
Applications
- ADC Driver: Suitable for driving analog-to-digital converters.
- Instrumentation Amplifier Building Blocks: Ideal for constructing high-performance instrumentation amplifiers.
- Level Translators: Used for translating signal levels in various applications.
- Automatic Test Equipment: Employed in high-performance test equipment.
- High Performance Audio: Used in audio applications requiring high precision and low distortion.
- Sine/Cosine Encoders: Suitable for applications involving sine and cosine encoding.
Q & A
- What is the AD8271BRMZ used for?
The AD8271BRMZ is a programmable gain precision difference amplifier used for high-performance signal conditioning in various applications, including ADC drivers, instrumentation amplifiers, level translators, and high-performance audio.
- What are the key specifications of the AD8271BRMZ?
Key specifications include a bandwidth of 15 MHz, slew rate of 30 V/μs, gain error of 0.08% max, and CMRR of 80 dB min at a gain of 2.
- What is the operating temperature range of the AD8271BRMZ?
The operating temperature range is −40°C to +85°C.
- Is the AD8271BRMZ RoHS compliant?
- What package types are available for the AD8271BRMZ?
The AD8271BRMZ is available in a 10-lead MSOP package.
- What are the supply voltage ranges for the AD8271BRMZ?
The AD8271BRMZ operates on both single and dual supplies ranging from ±2.5 V to ±18 V.
- How much supply current does the AD8271BRMZ require?
The AD8271BRMZ requires a maximum supply current of 2.6 mA.
- What is the input bias current of the AD8271BRMZ?
The input bias current is 500 nA.
- What is the common mode rejection ratio (CMRR) of the AD8271BRMZ?
The CMRR is a minimum of 80 dB at a gain of 2.
- In which applications is the high CMRR of the AD8271BRMZ particularly useful?
The high CMRR is particularly useful in applications such as medical equipment, sensor signal processing, and industrial measurements where common mode noise needs to be rejected.
