Overview
Description
The ISL28134SOICEVAL1Z evaluation board is designed to evaluate the performance of the ISL28134 low-noise chopper-stabilized op amp. The evaluation board contains the circuitry needed to evaluate the high performance of the ISL28134 amplifier. The ISL28134 chopper-stabilized rail-to-rail input/output (RRIO) amplifier features a low 2.5µV maximum VOS and 15nV/°C drift over temperature. The amplifier has no 1/f noise corner down to 0.1Hz with a 1kHz voltage noise density of 10nV/√Hz. The high open loop gain of 174dB allows for a high-gain single-stage DC amplifier that can operate from a 3V single-cell battery while consuming 700µA of current. The ISL28134SOICEVAL1Z evaluation board can be configured as a precision high-gain (G = 1,000V/V) differential amplifier to demonstrate the level of performance possible with this amplifier.
Features
- Rail-to-rail inputs and outputs
- No 1/f noise corner down to 0.1Hz
- Low offset voltage: 2.5μV, max
- Superb offset drift: 15nV/°C, max
- Single supply: 2.25V to 6.0V
- Dual supply: ±1.125V to ±3.0V
- Low ICC: 675μA, typ.
- Wide bandwidth: 3.5MHz
- Operating temperature range
- Industrial: -40 °C to +85 °C
- Full industrial: -40 °C to +125 °C
Applications
- Medical instrumentation
- Sensor gain amps
- Precision low drift, low frequency ADC drivers
- Precision voltage reference buffers
- Thermopile, thermocouple, and other temperature sensor front-end amplifiers
- Inertial sensors
- Process control systems
- Weight scales and strain gauge sensors
Documentation
Featured Documentation
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| Type | Title | Date |
| Manual - Development Tools | PDF 458 KB | |
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Design & Development
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