INA129P Part Information

Details for INA129P by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Instrumentation Amplifiers

Part Description

The INA128 and INA129 are low-power, general purpose instrumentation amplifiers offering 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 (200 kHz at G = 100). A single external resistor sets any gain from 1 to 10,000. The INA128 provides an industry-standard gain equation; the INA129 gain equation is compatible with the AD620. The INA12x is laser-trimmed for very low offset voltage (50 μV), drift (0.5 μV/°C) and high commonmode rejection (120 dB at G ≥ 100). The INA12x operates with power supplies as low as ±2.25 V, and quiescent current is only 700 μA, ideal for batteryoperated systems. Internal input protection can withstand up to ±40 V without damage. The INA12x is available in 8-pin plastic DIP and SO-8 surface-mount packages, specified for the –40°C to 85°C temperature range. The INA128 is also available in a dual configuration, the INA2128.

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Part Features

  • 8-PIN Plastic Dip, SO-8
  • High CMR: 120 dB minimum
  • Inputs Protected to u00b140 V
  • Low Drift: 0.5 u03bcV/u00b0C Maximum
  • Low Input Bias Current: 5 nA Maximum
  • Low Offset Voltage: 50 u03bcV Maximum
  • Low Quiescent Current: 700 u03bcA
  • Wide Supply Range: u00b12.25 V to u00b118 V

Part Specifications

No. of Amplifiers 1 Amplifier, 1Amplifiers
Input Offset Voltage 50µV
Slew Rate 4V/µs
Bandwidth 1.3MHz
Supply Voltage Range ± 2.25V to ± 18V
Amplifier Case Style DIP
No. of Pins 8Pins
Amplifier Output Single Ended
CMRR 130dB
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL -
SVHC No SVHC (27-Jun-2018)
Amplifer Supply Voltage ± 2.25V to ± 18V
Amplifier Type Instrumentation
Base Number 129
Gain Bandwidth 1.3MHz
Input Offset Drift Max 0.5µV/°C
Operating Temperature Range -40°C to +125°C
Programmable Gain Max 10000
Supply Current 700µA
Termination Type Through Hole
RoHS Compliant

Alternative Part Descriptions

  • SP Instr Amp Single 18V 8-Pin PDIP | RS Components
  • IC, AMP INSTRUMENTATION, PDIP8, 129; No. of Amplifiers:1 Amplifier; Input Offset Voltage:50µV; Slew Rate:4V/µs; Bandwidth:1.3MHz; Supply Voltage Range:± 2.25V to ± 18V; Amplifier Case Style:DIP; No. of Pins:8Pins; Amplifier RoHS Compliant: Yes | Newark Electronics
  • Precision, Low Power Instrumentation Amplifiers | Texas Instruments

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