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onsemi NCS2191x

High precision operational amplifier, low input offset voltage with zero-drift

The NCS2191x family of high precision Zero-Drift Operational Amplifiers feature low input offset voltage and low offset drift over time and temperature.

These devices have low quiescent current and low noise performance with a rail-to-rail output swing within 10 mV of the rails and they operate over a wide supply voltage range from 4 V to 36 V.

All versions are specified for operation from -40 °C to +125 °C. Automotive qualified options are available with NCV part number prefix.

Key features

High Precision Operational Amplifier
Low Input Offset Voltage, Zero-Drift Offset Voltage
Wide Supply Voltage Range from 4 V to 36 V and Low Quiescent Current
Rail-to-Rail Output

Additional features

The NCS2191x family features a low input offset voltage that does not drift over temperature and time. This feature makes it ideal for applications where accuracy is needed, such as current sensing and sensor interface. The low offset voltage allows the usage of smaller shunt resistors reducing power losses and increasing system efficiency.

Product features:

Low Offset Voltage: 25 µV max
Low Offset Drift:0.085 µV/°C max
Supply Voltage: 4 to 36 V
Quiescent Current: 570 µA Max
Low Noise: 22 nV/√Hz typical
Gain-Bandwidth Product: 2 MHz typical
Rail-to-Rail Output
Integrated EMI Filters
Single-channel NCS(V)21911, dual-channel NCS(V)21912, and quad-channel NCS(V)21914 in a variety of packages
Pb-Free, Halogen-Free/BFR Free, RoHS compliant
AEC Qualified and PPAP Capable Versions with NCV Part Number Prefix Available