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OPA2189

Texas Instruments
Part Number OPA2189
Manufacturer Texas Instruments
Description Operational Amplifiers
Published Nov 15, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community OPA189, OPA2189 SBOS830E – SEPTEM...
Datasheet PDF File OPA2189 PDF File

OPA2189
OPA2189

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community OPA189, OPA2189 SBOS830E – SEPTEMBER 2017 – REVISED MAY 2019 OPAx189 Precision, Lowest-Noise 36-V, Zero-Drift, 14-MHz MUX-Friendly, Rail-to-Rail Output, Operational Amplifiers 1 Features •1 Ultra-high precision: – Zero-drift: 0.
005 μV/°C (OPA189) – Ultra-low offset voltage: 3 μV maximum (OPA189) • Excellent dc precision: – CMRR: 168 dB – Open-loop gain: 170 dB • Low noise: – en at 1 kHz: 5.
2 nV/√Hz – 0.
1-Hz to 10-Hz noise: 0.
1 µVPP • Excellent dynamic performance: – Gain bandwidth: 14 MHz – Slew rate: 20 V/µs – Fast settling: 10-V step, 0.
01% in 1.
1 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 2 Applications • Precision multichannel systems • Bridge amplifier • Strain gauges • Temperature measurement • Resistance temperature detectors 3 Description The OPA189 and OPA2189 (OPAx189) highprecision 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 and controlled start-up system.
These features and excellent ac performance, combined with only 0.
4 µV of offset voltage and 0.
005µV/°C of drift over temperature for the single-channel version, make the OPAx189 a great choice for precision instrumentation, signal measurement, and active filtering applications.
Moreover, the MUX-friendly input architecture prevents inrush current when applying large input differential voltages, which improves settling performance in multichannel systems, all while providing robust ESD protection during shipment, handling, and assembly.
All versions are specified from –40°C to +125°C.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 4.
90 mm × 3.
90 mm OPA189 SOT-23 (5) 2.
90 mm × 1.
60 mm VSSOP (8) 3.
00 mm × 3.
00 mm OPA...


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