INA333 - Texas Instruments

INA333 Rail-to-Rail Out Instrumentation Amplifier

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 + (.

Features

•1 Low Offset Voltage: 25 μV (Maximum), G ≥ 100
• Low Drift: 0.1 μV/°C, G ≥ 100
• Low Noise: 50 nV/√Hz, G ≥ 100
• High CMRR: 100 dB (Minimum), G ≥ 10
• Low Input Bias Current: 200 pA (Maximum)
• Supply Range: 1.8 V to 5.5 V
• Input Voltage: (V
  –) +0.1 V to (V+)
  –0.1 V
• Output Range: (V
  –) +0.05 V to (V+)
  –0.05 V
• Low Quiescent Current: 50 μA
• Operating Temperature:
  –40°C to +125°C
• RFI Filtered Inputs
• 8-Pin VSSOP and 8-Pin WSON Packages 2 Applications
• Bridge Amplifiers
• ECG Amplifiers
• Pressure Sensors
• Medical Instrumentation
• Portable Instrumentation
• Weigh Scales
• Thermocouple A.