AFE4400RHAT
ActiveINTEGRATED ANALOG FRONT END (AFE) FOR HEART-RATE MONITORS AND LOW-COST PULSE OXIMETERS
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AFE4400RHAT
ActiveINTEGRATED ANALOG FRONT END (AFE) FOR HEART-RATE MONITORS AND LOW-COST PULSE OXIMETERS
Technical Specifications
Parameters and characteristics for this part
| Specification | AFE4400RHAT |
|---|---|
| Mounting Type | Surface Mount |
| Number of Bits | 22 |
| Number of Channels | 1 |
| Package / Case | 40-VFQFN Exposed Pad |
| Power (Watts) | 2.84 mW |
| Supplier Device Package | 40-VQFN (6x6) |
| Voltage - Supply, Analog [Max] | 3.6 V |
| Voltage - Supply, Analog [Min] | 2 V |
| Voltage - Supply, Digital [Max] | 3.6 V |
| Voltage - Supply, Digital [Min] | 2 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 8.41 | |
| 10 | $ 7.60 | |||
| 25 | $ 7.25 | |||
| 100 | $ 6.29 | |||
| Digi-Reel® | 1 | $ 8.41 | ||
| 10 | $ 7.60 | |||
| 25 | $ 7.25 | |||
| 100 | $ 6.29 | |||
| Tape & Reel (TR) | 250 | $ 4.38 | ||
| Texas Instruments | SMALL T&R | 1 | $ 6.44 | |
| 100 | $ 5.25 | |||
| 250 | $ 4.13 | |||
| 1000 | $ 3.50 | |||
Description
General part information
AFE4400 Series
The AFE4400 is a fully-integrated analog front-end (AFE) ideally suited for pulse oximeter applications. The device consists of a low-noise receiver channel with an integrated analog-to-digital converter (ADC), an LED transmit section, and diagnostics for sensor and LED fault detection. The device is a very configurable timing controller. This flexibility enables the user to have complete control of the device timing characteristics. To ease clocking requirements and provide a low-jitter clock to the AFE4400, an oscillator is also integrated that functions from an external crystal. The device communicates to an external microcontroller or host processor using an SPI™ interface.
The device is a complete AFE solution packaged in a single, compact VQFN-40 package (6 mm × 6 mm) and is specified over the operating temperature range of 0°C to 70°C.
The AFE4400 is a fully-integrated analog front-end (AFE) ideally suited for pulse oximeter applications. The device consists of a low-noise receiver channel with an integrated analog-to-digital converter (ADC), an LED transmit section, and diagnostics for sensor and LED fault detection. The device is a very configurable timing controller. This flexibility enables the user to have complete control of the device timing characteristics. To ease clocking requirements and provide a low-jitter clock to the AFE4400, an oscillator is also integrated that functions from an external crystal. The device communicates to an external microcontroller or host processor using an SPI™ interface.
Documents
Technical documentation and resources
