HY312x

Applications
  • Electrochemical analysis
  • Bioelectrical impedance analysis
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
Product Specifications

Model No. VDD
(V)
Internal
Clock
(Hz)
System
Clock
(Hz)
ADC ENOB
(bit x ch.)
Sample Rate
(sps)
TPS OPAMP
(type x ch.)
DAC
(bit x ch.)
Waveform
Generator
IQR
Function
Serial
Interface
Package
HY3123 2.2 ~ 5.5 2M
4M
8M
2M ~ 8M 19-bit x11 8 ~ 31.25k Y R2R x3 12-bit x2 Y Y I2C SSOP16

Remark:
ADC:24-bit Sigma Delta ADC。
TPS: Internal Temperature Sensor.
OPAMP: R2R means Rail to Rail Amplifier.
DAC: Digital to Analog Converter.
Waveform Generator: Combine with DAC and OPAMP to output arbitrary waveforms.
IRQ Function: When the ADC is interrupted, the IRQ interrupt signal can be output through the CLKOUT pin or the SDA pin.

Tools & Software & Document Download Page
Model No. Descriptions Software Software User Manual Hardware User Manual Training Videos
HY3123-AK01 HY3123 Series ΣΔADC Performance Test Tool Version1.0 Version01