Products

Product Line

HY3123

Diagram

HY3123 Diagram

Application Categories

  • Electrochemical analysis
  • Bioelectrical impedance analysis
  • Industrial Controller & Strain gauge
  • High-precision ΣΔADC measurement application

Product Features

  • AC Impedance converter
    • Built-in HAO(High Accuracy RC Oscillator),The selectable Frequency is : 2MHz, 4MHz, 8MHz;and also provide frequency output function.
    • VDDA driving ability up to 10mA.
    • Three Rail-to-rail OPAMP.
    • Sinewave signal output with adjustable frequency and amplitude.
    • AC Impedance measurement circuit
    • 1Mhz, 24-bitΣΔADC analog to digital converter.
    • I2C digital interface.
  • Operation environment
    • Digital voltage: 2.2V to 5.5V.
    • Analog voltage: 2.4V to 4.5V.
    • Operation temperature range: –40°C to +85°C.
  • 24-bits ΣΔADC
    • Optional gains of: ×1/4, ×1/2, ×1~×16
    • Optional different data conversion output rate with upper limit of 31.25Ksps
    • Embedded DC bias voltage design
    • IRQ function
  • Rail-to-Rail OPAMP
    • Internal three Rail-to-rail OPAMP
    • 1mA source and sink current
  • Internal linear regulator VDDA and reference voltage REFO
    • VDDA output voltage: 2.4V~4.5V
    • REFO output voltage:1.2V
  • I2C slave interface
    • Support standard communication format
    • Support FSCL = 400KHz
    • Sleep function (controlled by the register)
  • IRQ PIN support
  • 12-bit Resistor Ladder DAC
    • Programable Resistor Ladder and Monotonicity output
    • With OPAMP, it can be designed as dual channels 12 bit DAC
  • Bioelectrical Impedance Analysis Module (BIA Module)
    • Electrochemical analysis
    • Bioelectrical impedance analysis
    • AC waveform frequency: 122Hz~250KHz
    • Impendence Range: 1K ~ 1MΩ
    • Phase detector: 0~90°

Resources

File Name Description File Manual
DS-HY3123 HY3123 Chip Datasheet DS-HY3123_EN.pdf

Development Tools

File Name Description Software Software Manual Hardware Manual
HY3123-AK02 HY3123 ΣΔADC Performance Test Tool HY3123-ENOB.zip APD-HY3123005_EN.pdf APD-HY3123004_EN.pdf