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AFE44S30YZT, Analog Front End - AFE Ultra-low-power integrated analog front end (AFE) for wearable optical biosensing with FIFO and SPI 30-D
Semiconductors\Data Converter ICs\Analog Front End - AFEAFE44S30 Ultra-Low-Power Integrated AFE
Texas Instruments AFE44S30 Ultra-Low-Power Integrated Analog Front End (AFE) is for optical bio-sensing applications, such as heart-rate monitoring (HRM) and saturation of peripheral capillary oxygen (SpO 2 ). The device supports up to eight switching light-emitting diodes (LEDs) and up to four photodiodes. Up to 24 signal phases can be defined, and the signal can be acquired from each phase in a synchronized manner. The current from the photodiode is converted into a voltage by the transimpedance amplifier (TIA) and digitized using an analog-to-digital converter (ADC). The ADC code can be stored in a 128-sample First-In, First-Out (FIFO) block. The FIFO can be read out using an SPI interface. The AFE also has a fully-integrated LED driver with an 8-bit current control. The AFE44S30 has a high dynamic range transmit-and-receive circuitry that helps with the sensing of very small signal levels.
| Brand | Texas Instruments |
| Factory Pack Quantity: Factory Pack Quantity | 250 |
| Interface Type | SPI |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +85 C |
| Minimum Operating Temperature | -40 C |
| Number of Channels | 4 Channel |
| Number of Converters | 1 Converter |
| Package / Case | DSBGA-30 |
| Packaging | Reel, Cut Tape |
| Product Category | Analog Front End-AFE |
| Product Type | Analog Front End-AFE |
| Product | Data Converters |
| Resolution | 24 bit |
| SNR - Signal to Noise Ratio | 108 dB |
| Subcategory | Data Converter ICs |
| Type | AFE |
| Вес, г | 0.01 |
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