AC Current and Voltage Sensor (H2AR3x)

Specifications

Front-end

• 26V, bi-directional current sense amplifier INA199A2DCKT:
  • Wide Common-Mode Range: –0.3 V to 26 V.
  • Offset Voltage: ±150 µV (Maximum)
    (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error (Maximum Over Temperature):
      • ±1% (C Version)
      • ±1.5% (A and B Versions)
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA199x1: 50 V/V
    • INA199x2: 100 V/V
    • INA199x3: 200 V/V
  • Quiescent Current: 100 µA (Maximum)
• Low-Drift, Low-Power, Dual-Output Vref and Vref/2 Voltage Reference REF2033AIDDCR:
  • Two Outputs, V_REF and V_REF / 2, for Convenient Use in Single-Supply Systems
  • Excellent Temperature Drift Performance:
    • 8 ppm/°C (max) from –40 °C to 125 °C
  • High Initial Accuracy: ±0.05% (max)
  • V_REF and V_BIAS Tracking over Temperature:
    • 6 ppm/°C (max) from –40 °C to 85 °C
    • 7 ppm/°C (max) from –40 °C to 125 °C
  • Microsize Package: SOT23-5
  • Low Dropout Voltage: 10 mV
  • High Output Current: ±20 mA
  • Low Quiescent Current: 360 µA
  • Line Regulation: 3 ppm/V
  • Load Regulation: 8 ppm/mA

Back-end

• STM32F091CBU6 32-bit ARM Cortex-M0 MCU.
• 8MHz external oscillator.
• Three array ports and four power ports (+3.3V and GND).
• Access to 3xUART, BOOT0, RESET.

Physical Properties

• Shape: Hexagon
• Size: 30 mm short diagonal, 17.32 mm side
• Area: 7.8 cm^2
• Weight: 10 g
• Soldermask Color: Dark green
• Surface Finish: ENIG (gold) or HASL-LF (tin)