HY312x
Applications
- 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°
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.) |
BIA Module | IRQ 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
SSOP20 |
Remark:
ADC：24-bit Sigma Delta ADC。
TPS: Internal Temperature Sensor.
OPAMP: R2R means Rail to Rail Amplifier.
DAC: Digital to Analog Converter.
BIA Module: It can generate AC waveform and measure the impedance and angle of the object to be measured.
IRQ Function: When the ADC is interrupted, the IRQ interrupt signal can be output through the CLKOUT pin or the SDA pin.
Product Application Notes
Tools & Software & Document Download Page
| Model No. | Descriptions | Software | Software User Manual | Hardware User Manual | Training Videos |
|---|---|---|---|---|---|
| HY3123-AK01 | HY3123 Series Chip Performance Testing and Evaluation Tools(dedicated to AC Impedance Measurement Applications) | Download | Download | Download | |
| HY3123-AK02 | HY3123 Series Chip Performance Testing and Evaluation Tools | Download | Download | Download |
