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OPA197, OPA2197...
Description
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OPA197, OPA2197, OPA4197
SBOS737C – JANUARY 2016 – REVISED MARCH 2018
OPAx197 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage, Operational Amplifiers
1 Features
1 Low Offset Voltage: ±100 µV (Maximum) Low Offset Voltage Drift: ±2.5 µV/°C (Maximum) Low Noise: 5.5 nV/√Hz at 1 kHz High Common-Mode Rejection: 120 dB
(Minimum) Low Bias Current: ±5 pA (Typical) Rail-to-Rail Input and Output Wide Bandwidth: 10-MHz GBW High Slew Rate: 20 V/µs Low Quiescent Current: 1 mA per Amplifier
(Typical) Wide Supply: ±2.25 V to ±18 V, +4.5 V to +36 V EMI- and RFI-Filtered Inputs Differential Input Voltage Range to Supply Rail High Capacitive Load Drive Capability: 1 nF Industry Standard Packages:
– Single in SOIC-8, SOT-5, and VSSOP-8 – Dual in SOIC-8 and VSSOP-8 – Quad in SOIC-14 and TSSOP-14
2 Applications
Multiplexed Data-Acquisition Systems Test and Measurement Equipment High-Resolution ADC Driver Amplifiers SAR ADC Reference Buffers Programmable Logic Controllers High-Side and Low-Side Current Sensing High Precision Comparators
3 Description
The OPAx197 family (OPA197, OPA2197, and OPA4197) is a new generation of 36-V operational amplifiers.
These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset (±25 µV, typical), low offset drift (±0.25 µV/°C, typ), and 10-MHz bandwidth.
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