Overview
The AD8271ARMZ-R7 is a precision difference amplifier produced by Analog Devices Inc. This device is designed to offer high performance and flexibility in various signal processing applications. It features internal gain setting resistors, allowing it to be configured as a single-ended amplifier with over 40 different gains without the need for external components. The AD8271 is known for its excellent AC specifications, high accuracy DC performance, and robust noise and distortion characteristics.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±2.5 | ±18 | V | |
| Bandwidth (G = 2) | 15 | MHz | ||
| Slew Rate | 30 | V/μs | ||
| Settling Time to 0.01% (VS = ±15 V, 10 V step) | 700 | 800 | ns | |
| CMRR (G = 2) | 80 | dB | ||
| Input Bias Current | 2 | nA | ||
| Supply Current | 2.6 | mA | ||
| Operating Temperature Range | −40 | +85 | °C | |
| Storage Temperature Range | −65 | +130 | °C |
Key Features
- Internal gain setting resistors allowing for over 40 different gains without external components.
- Excellent AC specifications, including a 15 MHz bandwidth and a 30 V/μs slew rate.
- High accuracy DC performance with a maximum gain error of 0.08% and a maximum gain drift of 10 ppm/°C.
- High CMRR of 80 dB at a gain of 2, ensuring good common-mode rejection.
- Low noise and distortion characteristics, making it suitable for high-performance applications.
- Available in a 10-lead MSOP package, which is compact and suitable for space-constrained designs.
Applications
- ADC drivers: The AD8271 can be used to drive analog-to-digital converters (ADCs) with high accuracy and low noise.
- Instrumentation amplifier building blocks: It can be used as a component in building more complex instrumentation amplifiers.
- Level translators: The device can translate signal levels to match different system requirements.
- Automatic test equipment: Its high performance makes it suitable for use in automated testing systems.
- High-performance audio: The AD8271 can be used in audio applications requiring low distortion and high signal fidelity.
- Sine/cosine encoders: It is useful in applications involving precise signal encoding.
Q & A
- What is the supply voltage range of the AD8271ARMZ-R7?
The supply voltage range is ±2.5 V to ±18 V. - What is the bandwidth of the AD8271 at a gain of 2?
The bandwidth is 15 MHz at a gain of 2. - What is the slew rate of the AD8271?
The slew rate is 30 V/μs. - What is the settling time to 0.01% for a 10 V step at ±15 V supply?
The settling time is between 700 ns and 800 ns. - What is the CMRR at a gain of 2?
The CMRR is 80 dB at a gain of 2. - What is the typical supply current of the AD8271?
The typical supply current is 2.6 mA. - What is the operating temperature range of the AD8271?
The operating temperature range is −40°C to +85°C. - What package type is the AD8271ARMZ-R7 available in?
The AD8271ARMZ-R7 is available in a 10-lead MSOP package. - What are some common applications of the AD8271?
Common applications include ADC drivers, instrumentation amplifier building blocks, level translators, automatic test equipment, high-performance audio, and sine/cosine encoders. - What is the maximum gain error of the AD8271?
The maximum gain error is 0.08%.
