Part INA253
Description Current-Shunt Monitor
Manufacturer Texas Instruments
Size 1.36 MB
Texas Instruments
INA253

Overview

The INA253 is a voltage-output, current sense amplifier with an integrated shunt resistor of 2 mΩ. The INA253 is designed to monitor bidirectional currents over a wide common-mode range from -4 V to +80 V, independent of the supply voltage.

  • 1 Precision Integrated Shunt Resistor - Shunt Resistor: 2 mΩ - Shunt Inductance: 3 nH - Shunt Resistor Tolerance: 0.1% (Max) - ±15 A Continuous from -40°C to +85°C - 0°C to 125°C Temperature Coefficient: 10 ppm/°C
  • High Bandwidth: 350 kHz
  • Enhanced PWM rejection
  • Excellent CMRR - > 120-dB DC CMRR - 90-dB AC CMRR at 50 kHz
  • Accuracy: - Gain: - Gain Error: 0.4% (Max) - Gain Drift: 45 ppm/°C (Max) - Offset: - Offset Current: ±15 mA (Max) - Offset Drift: 125 µA/°C (Max)
  • Wide Common-Mode Range: -4 V to +80 V
  • Available Gains: 100 mV/A, 200 mV/A, and 400 mV/A
  • Quiescent Current: 2.4 mA (Max)