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OPA4189IPWT PDF预览

OPA4189IPWT

更新时间: 2024-11-24 02:52:07
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德州仪器 - TI /
页数 文件大小 规格书
52页 4071K
描述
OPAx189 Precision, Lowest-Noise, 36-V, Zero-Drift, 14-MHz, MUX-Friendly, Rail-to-Rail Output Operational Amplifiers

OPA4189IPWT 数据手册

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OPA189, OPA2189, OPA4189  
SBOS830I – SEPTEMBER 2017 – REVISED OCTOBER 2021  
OPAx189 Precision, Lowest-Noise, 36-V, Zero-Drift, 14-MHz,  
MUX-Friendly, Rail-to-Rail Output Operational Amplifiers  
1 Features  
3 Description  
Ultra-high precision:  
The OPA189, OPA2189, and OPA4189 (OPAx189)  
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 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.  
– 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  
All versions are specified from –40°C to +125°C.  
Device Information  
PART NUMBER  
PACKAGE(1)  
BODY SIZE (NOM)  
4.90 mm × 3.90 mm  
2.90 mm × 1.60 mm  
3.00 mm × 3.00 mm  
4.90 mm × 3.90 mm  
3.00 mm × 3.00 mm  
5.00 mm × 4.40 mm  
8.65 mm × 3.91 mm  
SOIC (8)  
Input includes negative rail  
OPA189  
SOT-23 (5)  
VSSOP (8)  
SOIC (8)  
2 Applications  
Battery test  
Analog input module  
Weigh scale  
DC power supply, ac source, electronic load  
Multifunction relay  
OPA2189  
OPA4189  
VSSOP (8)  
TSSOP (14)  
SOIC (14)  
(1) For all available packages, see the package option  
addendum at the end of the data sheet.  
Analog Inputs  
OPAx189 MUX-friendly Inputs  
Prevents Loading of Source  
OPAx189  
Bridge Sensor  
OPAx189  
+
4:2  
HV  
MUX  
Robust MUX-Friendly Inputs  
without Anti-Parallel Diodes  
Thermocouple  
+
OPAx189  
Current Sensing  
Competitor HV Amp  
Photo  
Detector  
Classical High-Voltage Op Amp  
Anti-Parallel Diodes Loads Source  
High-Voltage Level Translation  
Input  
LED  
High-Voltage Multiplexed Input  
Optical Sensor  
Copyright © 2017, Texas Instruments Incorporated  
Time  
Copyright © 2017, Texas Instruments IncorporatedC003  
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  
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. PRODUCTION DATA.  
 
 
 

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