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PGA281AIPWR

更新时间： 2025-11-03 12:02:39
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德州仪器 - TI 仪表放大器
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32页 2049K
描述
Precision, Zero-Drift, High-Voltage, Programmable Gain Instrumentation Amplifier

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PGA281  
www.ti.com  
SBOS664A –MARCH 2013–REVISED JUNE 2013  
Precision, Zero-Drift, High-Voltage,  
Programmable Gain Instrumentation Amplifier  
Check for Samples: PGA281  
1
FEATURES  
DESCRIPTION  
The PGA281 is a high-precision instrumentation  
234  
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Wide Input Range: ±15.5 V at ±18 V Supply  
Binary Gain Steps: 128 V/V to ⅛ V/V  
Additional Scaling Factor: 1 V/V and 1⅜ V/V  
Low Offset Voltage: 5 μV at G = 128  
Near-Zero Long-Term Drift of Offset Voltage  
Near-Zero Gain Drift: 0.5 ppm/°C  
Excellent Linearity: 1.5 ppm  
Excellent CMRR: 140 dB  
amplifier with a digitally-controllable gain and signal-  
integrity test capability. This device uses proprietary  
autozeroing techniques to offer low offset voltage,  
near-zero offset and gain drift, excellent linearity, and  
nearly no 1/f noise.  
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The PGA281 is optimized to provide an excellent  
common-mode rejection of greater than 110 dB (G =  
1) over a wide frequency range. Superior common-  
mode and supply rejection supports high-resolution,  
precise measurement. The 36-V supply capability and  
wide, high-impedance input range comply with  
requirements for universal signal measurement.  
High Input Impedance  
Very Low 1/f Noise  
Differential Signal Output  
The PGA281 offers multiple internal gain options from  
⅛ V/V (attenuation) to 176 V/V, making this a  
Overload Detection  
TSSOP-16 Package  
universal,  
high-performance,  
analog  
front-end  
suitable for a wide variety of applications. The fully  
differential, rail-to-rail output is designed to easily  
interface a wide range of input signals to the low-  
voltage domain of high-resolution analog-to-digital  
converters (ADCs).  
APPLICATIONS  
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High-Precision Signal Instrumentation  
Multiplexed Data Acquisition  
Medical Instrumentation  
The PGA281 is available in a TSSOP-16 package  
and is specified over a temperature range of –40°C to  
+105°C.  
Test and Measurement Equipment  
Differential or Single-Ended ADC Drivers  
Strain Gauge Amplifiers  
RELATED PRODUCTS  
Industrial Process Control  
PRODUCT  
FEATURES  
+15 V  
VSP  
ADS1259 23-bit resolution, ΔΣ analog-to-digital converter  
+5 V  
Chopper-stabilized instrumentation amplifier,  
RR I/O, 5-V single supply  
PGA281  
INA333  
VSOP  
IN-P  
A1  
PGA204  
PGA280  
High-precision PGA; G = 1, 10, 100, and 1000  
VO-P  
Zero-Drift, 36-V, PGA, SPI, GPIOs, input switch  
matrix  
ADS1259  
ADC  
A3  
Gain  
VOCM  
VO-N  
A2  
VSON  
IN-N  
-15 V G0 G1 G2 G3 G4  
VSN  
3 V  
DVDD  
EF  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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TINA-TI is a trademark of Texas Instruments.  
Bluetooth is a registered trademark of Bluetooth SIG, Inc.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013, Texas Instruments Incorporated  
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PGA281AIPWR 替代型号

型号 品牌 替代类型 描述 数据表
PGA281AIPW TI

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 Precision, Zero-Drift, High-Voltage, Programmable Gain Instrumentation Amplifier

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