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TI INA129UA product image
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TI INA129UARoHS

Manufacturer
TI
MPN
INA129UA
LCSC Part #
C2878150
Packaging
SOIC-8
Customer #
Key Attributes
Low-power precision instrumentation amplifier
Datasheetpdf iconTI INA129UA
In-Stock: 49
49 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 6.0304$ 6.03
10+$ 5.2813$ 52.81
30+$ 4.8257$ 144.77
75+$ 4.443$ 333.23
Standard Packaging75/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingSOIC-8
Settling time12us
Number of Channels1
Output TypeSingle-Ended
Vos - Input Offset Voltage25uV
Slew Rate4V/us
Input Offset Current(Ios)10nA
Input offset current drift(Ios TC)30pA/℃
FeaturesExternal resistor gain;Overvoltage protection
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)110dB
Ib - Input Bias Current20nA
Output Current18mA
Noise density(eN)6.9nV/√Hz@1kHz
Maximum Power Supply Range (Vdd-Vss)36V
Input Offset Voltage Drift(Vos TC)21uV/℃
Quiescent Current700uA
Gain Bandwidth Product1.3MHz
Dual Supply-18V~-2.25V;2.25V~18V
Single Supply4.5V~36V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging75
Sales UnitPiece

Introduction

AI Translation

Both the INA128 and INA129 (INA12x) are low-power, general-purpose instrumentation amplifiers with excellent accuracy. These amplifiers feature a versatile three-op-amp design and come in a small package, making them suitable for a wide range of applications. The current-feedback input circuit provides wide bandwidth even at high gains (200kHz, G = 100). Any gain from 1 to 10,000 can be set with a single external resistor. The INA128 offers the industry-standard gain equation with a 50kΩ resistor. The INA129 gain equation uses a 49.4kΩ resistor, allowing direct replacement of similar devices. The INA12x is available in plastic DIP and surface-mount packages and is specified for operation from –40°C to +85°C. The INA128 is also available in a dual configuration, the INA2128.

Features

AI Translation
  • Low offset voltage: 50μV (max)
  • Low drift: 0.5μV/°C (max)
  • Low input bias current: 5nA (max)
  • Low noise: 8nV/√Hz, 0.2μVp-p
  • High CMR: 120dB (min)
  • Bandwidth: 1.3 MHz (G = 1)
  • Input protection up to ±40V
  • Wide supply voltage range: ±2.25V to ±18V
  • Low quiescent current: 700μA
  • Package: 8-pin plastic DIP, SO-8

Applications

AI Translation
  • Pressure transmitter
  • Temperature transmitter
  • Weighing scale
  • Electrocardiogram (ECG)
  • Analog input module
  • Data acquisition (DAQ)