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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- The AFE4404YZPT is an Analog Front-End 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 transimpedance amplifier (TIA) and digitized using an analog-to-digital converter (ADC). The ADC code can be read out using an I²C interface. The AFE also has a fully integrated LED driver with a 6-bit current control. The device has a high dynamic range transmit and receive circuitry that helps with the sensing of very small signal levels.
- Transmitter - supports common anode LED configuration
- Transmitter - 100dB dynamic range
- Transmitter - 6-bit programmable LED current to 50mA (Extendable to 100 mA)
- Transmitter - Programmable LED on-time
- Transmitter - Simultaneous Support of 3 LEDs for Optimized SpO2, HRM or multi-wavelength HRM
- 24-bit Representation of the current input from a photodiode in twos complement format
- Receiver - Individual DC offset subtraction DAC at TIA input for each LED and ambient phase
- Receiver - Digital ambient subtraction at ADC output
- Receiver - 10 kR to 2 MR Programmable transimpedance gain
- Receiver - 100dB Dynamic range
- Receiver - Dynamic power-saving mode to reduce current to less than 200µA
- 10 to 1000SPS Pulse frequency
- Flexible pulse sequencing and timing control
- Flexible clock options - External 4 to 60MHz Input Clock, Internal 4MHz Oscillator
AFE4404YZPT Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Number of Pins | 15 Pin |
| Case/Package | XFBGA-15 |
| Supply Voltage (DC) | 3.00V (min) |
| Number of Channels | 1 Channel |
| Number of Positions | 15 Position |
| Number of Bits | 24 Bit |
| Number of ADCs | 1 ADC |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | -20 ℃ |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 3 V |
| Show | |
| Operating Temperature | -20℃ ~ 70℃ |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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