OPA189 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

OPA189
Manufacturer

TI
ChipWorker Part#

CW1440883200
RoHS

Lead free / RoHS Compliant
Description

14MHz, MUX-Friendly, Low-noise, Zero-Drift, RRO, CMOS Precision Operational Amplifier

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OPA189 Specifications

Attribute	Attribute Value

Part Number	OPA189
Manufacturer	TI
ChipWorker Part#	CW1440883200
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Product Lifecycle Status	Pre-Release
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The OPAx189 (OPA189, OPA2189, and OPA4189) series of high-precision operational amplifiers are ultra-low noise, fast-settling, zero-drift devices that provide rail-to-rail output operation and feature a unique MUX-friendly architecture. These features and excellent ac performance, combined with only 0.4 µV of offset and 0.0035 µV/°C of drift over temperature, makes the OPAx189 well-suited for precision instrumentation, signal measurement, and active filtering applications. Moreover, the MUX-friendly input architecture prevents inrush current when applying large differential voltages which improves settling performance in multi-channel systems, all while providing robust ESD protection during shipment, handling, and assembly. All versions are specified from –40°C to +125°C.
Ultra-High Precision:
Ultra-Low Offset Voltage: 0.4 µV
Zero-Drift: 0.0035 µV/°C
Excellent DC Precision:
CMRR: 168 dB
Open-Loop Gain: 170 dB
Low Noise:
VN at 1 kHz: 5.8 nV/√Hz
0.1-Hz to 10-Hz Noise: 110 nVPP
Excellent Dynamic Performance:
Gain Bandwidth: 14 MHz
Slew Rate: 20 V/µs
Fast Settling: 10-V, 0.01% in 1.5 µs
Robust Design:
MUX-Friendly Inputs
RFI/EMI Filtered Inputs
Wide Supply Range: 4.5 V to 36 V
Quiescent Current: 1.7 mA (Maximum)
Rail-to-Rail Output
Input Includes Negative Rail
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