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OPA2189ID Datasheet(PDF) 1 Page - Texas Instruments |
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OPA2189ID Datasheet(HTML) 1 Page - Texas Instruments |
1 / 36 page 4:2 HV MUX High-Voltage Level Translation Input High-Voltage Multiplexed Input Analog Inputs LED Photo Detector Bridge Sensor Thermocouple Current Sensing Optical Sensor + + OPAx189 OPAx189 Robust MUX-Friendly Inputs without Anti-Parallel Diodes Copyright © 2017, Texas Instruments Incorporated Time C003 Classical High-Voltage Op Amp Anti-Parallel Diodes Loads Source OPAx189 MUX-friendly Inputs Prevents Loading of Source Competitor HV Amp OPAx189 Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to change without notice. OPA189, OPA2189, OPA4189 SBOS830 – JUNE 2017 OPAx189, Precision, 36-V, 14-MHz, MUX-Friendly Low-Noise, Rail-to-Rail Output, Zero-Drift Operational Amplifiers 1 1 Features 1 • 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 2 Applications • Precision Multi-Chanel Systems • Bridge Amplifier • Strain Gauges • Temperature Measurement • Resistance Temperature Detectors 3 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. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) OPA189 SOIC (8) 4.90 mm × 3.90 mm SOT-23 (5) 2.90 mm × 1.60 mm VSSOP (8) 3.00 mm × 3.00 mm OPA2189 SOIC (8) 4.90 mm × 3.90 mm VSSOP (8) 3.00 mm × 3.00 mm OPA4189 SOIC (14) 8.65 mm × 3.90 mm TSSOP (14) 5.00 mm × 4.40 mm (1) For all available packages, see the package option addendum at the end of the data sheet. OPAx189 Preserves R-C Settling Performance in a Switched or Multiplexed Application OPAx189 MUX-Friendly Input Settles Quickly and Maintains High Input Impedance When Switched |
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