Manufacturer Part No:INA128U

Product Overview

The INA128U is a precision low power Instrumentation Amplifier offers excellent accuracy. The versatile 3-op amp design and small size make these amplifiers ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain (200kHz at G=100). A single external resistor sets any gain from 1 to 10000. The INA128 provides an industry-standard gain equation and is compatible with the AD620. The amplifier is laser-trimmed for very low offset voltage (50µV), drift (0.5µV/°C) and high common-mode rejection (120dB at G≥100). The amplifier operates with power supplies as low as ±2.25V and quiescent current is only 700µA, ideal for battery-operated systems. Internal input protection can withstand up to ±40V without damage.
  • 5nA Maximum low input bias current
  • 0.5µV/°C Maximum low drift
  • Inputs protected to ±40V
  • 700µA Low quiescent current
  • Green product and no Sb/Br
Product Attributes Select All
Categories Integrated Circuits (ICs)
Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps
Manufacturer Texas Instruments
Packaging ? Tube ?
Part Status Active
Amplifier Type Instrumentation
Number of Circuits 1
Output Type
Slew Rate 4 V/µs
-3db Bandwidth 1.3MHz
Current – Input Bias 2nA
Voltage – Input Offset 10µV
Current – Supply 700µA
Current – Output / Channel 15mA
Voltage – Supply, Single/Dual (±) 4.5 V ~ 36 V, ±2.25 V ~ 18 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 8-SOIC
Base Part Number INA128


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