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Details for Texas Instruments


Low-Power, Zero-Drift, Precision Instrumentation Amplifier
Buy Directly from Texas Instruments (5088 in Stock)
$2.0700 per unit
Series Information for INA333AIDRGT - Texas Instruments


  • feature
    8-Pin VSSOP and 8-Pin WSON Packages
  • feature
    High CMRR: 100 dB (Minimum), G u2265 10
  • feature
    Input Voltage: (Vu2013) +0.1 V to (V+) u20130.1 V
  • feature
    Low Drift: 0.1 u03bcV/u00b0C, G u2265 100
  • feature
    Low Input Bias Current: 200 pA (Maximum)
  • feature
    Low Noise: 50 nV/u221aHz, G u2265 100
  • feature
    Low Offset Voltage: 25 u03bcV (Maximum), G u2265 100
  • feature
    Low Quiescent Current: 50 u03bcA
  • feature
    Operating Temperature: u201340u00b0C to +125u00b0C
  • feature
    Output Range: (Vu2013) +0.05 V to (V+) u20130.05 V
  • feature
    RFI Filtered Inputs
  • feature
    Supply Range: 1.8 V to 5.5 V


The INA333 device is a low-power, precision instrumentation amplifier offering excellent accuracy. The versatile 3-operational amplifier design, small size, and low power make it ideal for a wide range of portable applications. A single external resistor sets any gain from 1 to 1000. The INA333 is designed to use an industrystandard gain equation: G = 1 + (100 kΩ / RG). The INA333 device provides very low offset voltage (25 μV, G ≥ 100), excellent offset voltage drift (0.1 μV/°C, G ≥ 100), and high common-mode rejection (100 dB at G ≥ 10). It operates with power supplies as low as 1.8 V (±0.9 V) and quiescent current is only 50 μA, making it ideal for batteryoperated systems. Using autocalibration techniques to ensure excellent precision over the extended industrial temperature range, the INA333 device also offers exceptionally low noise density (50 nV/√Hz) that extends down to DC. The INA333 device is available in both 8-pin VSSOP and WSON surface-mount packages and is specified over the TA = –40°C to +125°C temperature range.


No. of Amplifiers:
3 Amplifier
Input Offset Voltage:
Slew Rate:
Supply Voltage Range:
1.8V to 5.5V
Amplifier Case Style:
No. of Pins:

Alternate Descriptions

Avnet America

SP Amp INSTR Amp Single R-R O/P ±2.75V/5.5V 8-Pin WSON EP T/R

Avnet America product

Avnet Europe

SP Amp INSTR Amp Single R-R O/P ±2.75V/5.5V 8-Pin WSON EP T/R

Avnet Europe product

Texas Instruments

Low-Power, Zero-Drift, Precision Instrumentation Amplifier

Texas Instruments product