AFE4420 Ultra-Small, Integrated AFE With FIFO for Multi-sensor Wearable, Optical Heart-rate Monitoring and Bio-sensing

1 Features 1? Supports signal acquisition of up to 16 phases ? Flexible allocation of LEDs and PDs in each phase ? Accurate, continuous heart-rate monitoring: – Up to 100-dB dynamic range – Low current for continuous operation on a wearable device with a typical value – 15 μA for an LED, 2

文件：369.73 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

Ultra-Small, Integrated AFE with FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：150.21 Kbytes 頁數(shù)：9 Pages

TI

德州儀器

絲?。?strong>AFE4420；Package：DSBGA；AFE4420 Ultra-Small, Integrated AFE With FIFO for Multi-sensor Wearable, Optical Heart-rate Monitoring and Bio-sensing

1 Features 1? Supports signal acquisition of up to 16 phases ? Flexible allocation of LEDs and PDs in each phase ? Accurate, continuous heart-rate monitoring: – Up to 100-dB dynamic range – Low current for continuous operation on a wearable device with a typical value – 15 μA for an LED, 2

文件：369.73 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

絲?。?strong>AFE4420；Package：DSBGA；AFE4420 Ultra-Small, Integrated AFE With FIFO for Multi-sensor Wearable, Optical Heart-rate Monitoring and Bio-sensing

1 Features 1? Supports signal acquisition of up to 16 phases ? Flexible allocation of LEDs and PDs in each phase ? Accurate, continuous heart-rate monitoring: – Up to 100-dB dynamic range – Low current for continuous operation on a wearable device with a typical value – 15 μA for an LED, 2

文件：369.73 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

絲印：AFE4420；Package：DSBGA；AFE4420 Ultra-Small, Integrated AFE With FIFO for Multi-sensor Wearable, Optical Heart-rate Monitoring and Bio-sensing

1 Features 1? Supports signal acquisition of up to 16 phases ? Flexible allocation of LEDs and PDs in each phase ? Accurate, continuous heart-rate monitoring: – Up to 100-dB dynamic range – Low current for continuous operation on a wearable device with a typical value – 15 μA for an LED, 2

文件：369.73 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

絲?。?strong>AFE4420；Package：DSBGA；AFE4420 Ultra-Small, Integrated AFE With FIFO for Multi-sensor Wearable, Optical Heart-rate Monitoring and Bio-sensing

1 Features 1? Supports signal acquisition of up to 16 phases ? Flexible allocation of LEDs and PDs in each phase ? Accurate, continuous heart-rate monitoring: – Up to 100-dB dynamic range – Low current for continuous operation on a wearable device with a typical value – 15 μA for an LED, 2

文件：369.73 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

絲印：AFE4420；Package：DSBGA；Ultra-Small, Integrated AFE with FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：150.21 Kbytes 頁數(shù)：9 Pages

TI

德州儀器

絲?。?strong>AFE4420；Package：DSBGA；Ultra-Small, Integrated AFE with FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：150.21 Kbytes 頁數(shù)：9 Pages

TI

德州儀器

具有 FIFO 功能且適用于多傳感器可穿戴光學(xué)心率監(jiān)測的超小型集成式 AFE

AFE4420 是一款面向光學(xué)生物傳感 應(yīng)用的模擬前端 (AFE)，例如心率監(jiān)測 (HRM) 和血氧飽和度 (SpO2) 測量。該器件支持多達四個可切換發(fā)光二極管 (LED) 和四個光電二極管?？梢远x多達 16 個信號相位，并且可以以同步方式從每個相位獲取信號，并將其存儲在 128 樣本的先入先出 (FIFO) 塊中。FIFO 可通過 I2C 或 SPI 接口讀取。這款 AFE 還配有具有 8 位電流控制功能的全集成 LED 驅(qū)動器。該器件具有寬動態(tài)范圍的發(fā)送和接收電路，有助于檢測超小信號電平。 ? 支持多達 16 個相位的信號采集\n? 在每個相位內(nèi)均可實現(xiàn)靈活的 LED 和 PD 分配\n? 精確、連續(xù)的心率監(jiān)測： \n? 高達 100dB 的動態(tài)范圍 \n? 以低電流在可穿戴設(shè)備上持續(xù)運行，其典型值為： \n? LED 為 15μA，接收器為 20μA \n \n \n? 發(fā)送器： \n? 支持共陽極 LED 配置\n? 8 位可編程 LED 電流，可調(diào)范圍為 50mA 至 200mA\n? 并行點亮兩個 LED 的模式\n? 可編程 LED 導(dǎo)通時間\n? 同時支持 4 個 LED，適用于優(yōu)化型 SpO2、HRM 或多波長 HRM \n? 可編程控制信號，使用外部 SPDT 開;

TI

德州儀器

Package：30-XFBGA，DSBGA；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 類別：集成電路（IC） 模擬前端（AFE） 描述：IC AFE 4 CHAN 24BIT 30DSBGA

TI

德州儀器