Features
- Low input offset voltage: ±50µV, maximum
- Superb offset voltage TC: 0.6µV/°C, maximum
- Input bias current: ±1nA, maximum
- Input bias current TC: ±5pA/°C, maximum
- Low current consumption: 440µA
- Voltage noise: 8nV/Hz
- Wide supply range: 4.5V to 40V
- Operating temperature range: -40 °C to +125 °C
- Small package offerings in single, dual and quad
- Pb-free (RoHS compliant)
- No phase reversal
Description
The ISL28217 is a very high precision amplifier featuring low noise vs. power consumption, low offset voltage, low bias current, and low temperature drift making it the ideal choice for applications requiring both high DC accuracy and AC performance. The combination of precision, low noise and small footprint provides users with outstanding value and flexibility relative to similar competitive parts. Applications for these amplifiers include precision active filters, medical and analytical instrumentation, precision power supply controls, and industrial controls. The ISL28217 dual op amp is offered in 8 Ld SOIC, MSOP and TDFN packages. Additionally, the device is offered in standard pin configurations and operates across the extended temperature range from -40 °C to +125 °C.
Parameters
| Attributes | Value |
|---|---|
| Channels (#) | 2 |
| Temp. Range (°C) | -40 to +125°C |
| Bandwidth (MHz) | 1.5 |
| IBIAS (nA) | 1 |
| IS per Amp (mA) | 0.44 |
| Offset Voltage (Max) (mV) | 0.05 |
| Slew Rate (V/µs) | 0.5 |
| Rail-to-Rail Input | No |
| Rail-to-Rail Output | No |
| Single Supply Voltage Range (V) | 4.5 - 40 |
| Gain Min | 1 |
| IOUT (A) | 0.043 |
| Noise VN (nV/√Hz) | 8 |
| AVOL (dB) | 143 |
| CMRR (dB) | 145 |
| PSRR (db) | 145 |
| Enable | No |
| VOUT (V) | 18.5 |
| VS (Min) (V) | 4.5 |
| VS (Max) (V) | 40 |
| Thermal Shutdown | No |
Application Block Diagrams
 | Bidirectional 3000W UPS Power Bidirectional 3kW telecom UPS system design with buck‑boost controllers, MCU, and power devices. |
Additional Applications
- Precision instruments
- Medical instrumentation
- Power supply control
- Active filter blocks
- Thermocouples and RTD reference buffers
- Data acquisition
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