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AFE4404YZPR, DSBGA-15 Heart Rate Sensor
AFE4404 Ultra-Small Integrated AFE
Texas Instruments AFE4404 Ultra-Small Integrated AFE is an analog front-end (AFE) for optical bio-sensing applications, such as heart-rate monitoring (HRM) and saturation of peripheral capillary oxygen (SpO2). The device supports three switching light-emitting diodes (LEDs) and a single photodiode. The current from the photodiode is converted into voltage by the trans-impedance amplifier (TIA). It is then digitized using an analog-to-digital converter (ADC). The ADC code can be read out using an I 2 C interface. The AFE also has a fully integrated LED driver with a 6-bit current control. Texas Instruments AFE4404 Ultra-Small Integrated AFE has a high dynamic range transmit and receive circuitry that helps with the sensing of very small signal levels.
| Analog Supply Voltage | 2 V to 3.6 V |
| Architecture | Sigma-Delta |
| Brand | Texas Instruments |
| Factory Pack Quantity: Factory Pack Quantity | 3000 |
| Features | Optical biosensing |
| Input Type | Differential |
| Interface Type | Serial, I2C |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +70 C |
| Minimum Operating Temperature | -20 C |
| Mounting Style | SMD/SMT |
| Number of Channels | 1 Channel |
| Number of Converters | 1 Converter |
| Output Type | Differential |
| Package / Case | DSBGA-15 |
| Product Category | Analog Front End-AFE |
| Product Type | Analog Front End-AFE |
| Resolution | 24 bit |
| Sampling Rate | 1 kS/s |
| Series | AFE4404 |
| SNR - Signal to Noise Ratio | 100 dB |
| Subcategory | Data Converter ICs |
| Supply Voltage - Max | 5.25 V |
| Supply Voltage - Min | 1.8 V |
| Type | Integrated AFE for Wearable |
| Mounting Type | Surface Mount |
| Number of Bits | 24 |
| Number of Channels | 1 |
| Package / Case | 15-XFBGA, DSBGA |
| Supplier Device Package | 15-DSBGA |
| Voltage - Supply, Analog | 2V ~ 3.6V |
| Voltage - Supply, Digital | 2V ~ 3.6V |
| Вес, г | 0.06 |
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