Overview
The AMP02EPZ is a high-accuracy instrumentation amplifier produced by Analog Devices Inc. It is designed to offer exceptional precision and reliability, making it ideal for a variety of applications requiring accurate signal amplification. The AMP02 is notable for its low offset voltage, low drift, and wide gain range, which can be set by a single external resistor. This amplifier is available in several package options, including 8-lead PDIP and 16-lead SOIC wide packages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Low Offset Voltage | 100 µV | max |
| Low Drift | 2 µV/°C | max |
| Wide Gain Range | 1 to 10,000 | |
| High Common-Mode Rejection | 115 dB | min |
| High Bandwidth (G = 1000) | 200 kHz | typ |
| Gain Accuracy | 0.5% | max (for gain of 1000) |
| Slew Rate | 4 V/µs | |
| Input Noise Voltage (0.1 Hz to 10 Hz, G = 1000) | 0.4 µV p-p | |
| Input Resistance | 25 kΩ | |
| Reference Input Resistance | 50 kΩ |
Key Features
- Low offset voltage: 100 µV max
- Low drift: 2 µV/°C max
- Wide gain range: 1 to 10,000, set by a single external resistor
- High common-mode rejection: 115 dB min
- High bandwidth: 200 kHz typ at G = 1000
- Gain accuracy: better than 0.5% for gain of 1000
- Input overvoltage protection: inputs can be taken 60 V beyond either supply rail without damage
- Reference pin for offset correction or level shifting
- High slew rate: over 4 V/µs
- Laser trimming for reduced input offset voltage
- ADI’s proprietary thin-film resistor process for low gain temperature coefficient
Applications
The AMP02EPZ is suitable for various applications that require high-precision signal amplification, such as:
- Fast data acquisition systems
- Medical instrumentation
- Industrial control systems
- Test and measurement equipment
- Aerospace and defense systems
Q & A
- What is the maximum offset voltage of the AMP02EPZ?
The maximum offset voltage of the AMP02EPZ is 100 µV. - What is the gain range of the AMP02EPZ?
The gain range of the AMP02EPZ is from 1 to 10,000, set by a single external resistor. - What is the common-mode rejection ratio (CMRR) of the AMP02EPZ?
The CMRR of the AMP02EPZ is 115 dB min. - What is the slew rate of the AMP02EPZ?
The slew rate of the AMP02EPZ is over 4 V/µs. - Does the AMP02EPZ have input overvoltage protection?
Yes, the AMP02EPZ has an input protection network that allows the inputs to be taken 60 V beyond either supply rail without damaging the device. - What are the package options available for the AMP02EPZ?
The AMP02EPZ is available in 8-lead PDIP and 16-lead SOIC wide packages. - What is the bandwidth of the AMP02EPZ at a gain of 1000?
The bandwidth of the AMP02EPZ at a gain of 1000 is 200 kHz typ. - How accurate is the gain of the AMP02EPZ?
The gain accuracy of the AMP02EPZ is better than 0.5% for a gain of 1000. - What is the input noise voltage of the AMP02EPZ?
The input noise voltage of the AMP02EPZ is 0.4 µV p-p from 0.1 Hz to 10 Hz at a gain of 1000. - Can the output of the AMP02EPZ be referenced to an external DC level?
Yes, the AMP02EPZ provides a reference pin to allow the output to be referenced to an external DC level for offset correction or level shifting.
