汇顶科技中国
GH3300 is an ultra-low-power, ultra-high-precision and multi-modal analog front end, capable of PPG, ECG, Bio-Z (BIA, IPG and EDA) measurement. The flexible operating mode enabling the AFE to accommodate various sensors measurements including temperature sensors. It is applicable to the smart devices like high-end smart watches and wristbands, multi-parameter monitor, and hand-held ECG monitor.
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| 电源 | |
|---|---|
| Bio-Z BIA channels | 1 |
| ECG ECG channels | 1 (DC or AC) |
| EDA Channels | 1 |
| Max LED Driving Current | 200 mA * 4 |
| Power Consumption | DC：610 µAAC：290 µA |
| PPG RX AFE channels | 4 |
| RESP Channels | 1 |
| 交流 / 直流特性 | |
| BIA measurement accuracy | Magnitude：±0.1%Phase angle：±0.1° |
| EDA resolution | >90 dB |
| Input Impedance | >10 GΩ |
| RTI noise | DC：1.67 µVrmsAC：1.25 µVrms |
| 环境与封装 | |
| Chip Size (mm) | 2.645 * 2.645 * 0.5 |
| Package Type | WLCSP-49 |
| Temperature measurement accuracy | ±0.1 °C@25 °C ~ 45 °C |
| Temperature NTC interface | 4 |
| 其他 | |
| ADC | 24-bit |
| Algorithm | HR, SpO2, HRV, ECG, BIA, Wear Detect |
| FIFO | 96k bytes |
| Interface | IIC/SPI |
| Max SNR | 110 dB |
| PD interface | 8 Single/4 Diff |
| PPG TX LED interface | 16 |
| Pressure Pressure interface | / |
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