AFE44S30 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 24 phases ? Flexible allocation of 8 LED, 4 PD in each phase ? Simultaneous signal acquisition from different sensors at different data rates ? Accurate, continuous heart-rate monitoring: – System SNR up to 108-dB at 16 μA PD current – Low

文件：197.07 Kbytes 頁(yè)數(shù)：6 Pages

TI

德州儀器

AFE44S30 Ultra-Small, Integrated AFE With FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：638.71 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

絲印：AFE44S30；Package：DSBGA；AFE44S30 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 24 phases ? Flexible allocation of 8 LED, 4 PD in each phase ? Simultaneous signal acquisition from different sensors at different data rates ? Accurate, continuous heart-rate monitoring: – System SNR up to 108-dB at 16 μA PD current – Low

文件：197.07 Kbytes 頁(yè)數(shù)：6 Pages

TI

德州儀器

絲?。?strong>AFE44S30；Package：DSBGA；AFE44S30 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 24 phases ? Flexible allocation of 8 LED, 4 PD in each phase ? Simultaneous signal acquisition from different sensors at different data rates ? Accurate, continuous heart-rate monitoring: – System SNR up to 108-dB at 16 μA PD current – Low

文件：197.07 Kbytes 頁(yè)數(shù)：6 Pages

TI

德州儀器

絲印：AFE44S30；Package：DSBGA；AFE44S30 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 24 phases ? Flexible allocation of 8 LED, 4 PD in each phase ? Simultaneous signal acquisition from different sensors at different data rates ? Accurate, continuous heart-rate monitoring: – System SNR up to 108-dB at 16 μA PD current – Low

文件：197.07 Kbytes 頁(yè)數(shù)：6 Pages

TI

德州儀器

絲?。?strong>AFE44S30；Package：DSBGA；AFE44S30 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 24 phases ? Flexible allocation of 8 LED, 4 PD in each phase ? Simultaneous signal acquisition from different sensors at different data rates ? Accurate, continuous heart-rate monitoring: – System SNR up to 108-dB at 16 μA PD current – Low

文件：197.07 Kbytes 頁(yè)數(shù)：6 Pages

TI

德州儀器

絲?。?strong>AFE44S30；Package：DSBGA；AFE44S30 Ultra-Small, Integrated AFE With FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：638.71 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

絲?。?strong>AFE44S30；Package：DSBGA；AFE44S30 Ultra-Small, Integrated AFE With FIFO for Multi-Sensor Wearable, Optical Heart-Rate Monitoring and Bio-Sensing

文件：638.71 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

用于可穿戴式光學(xué)生物傳感、具有 FIFO 和 SPI 的超低功耗集成模擬前端 (AFE)

AFE44S30 是一款模擬前端，面向光學(xué)生物傳感 應(yīng)用，例如心率監(jiān)測(cè) (HRM) 和周?chē)?xì)血管氧飽和度 (SpO2) 測(cè)量。該器件支持多達(dá)八個(gè)可切換發(fā)光二極管 (LED) 和四個(gè)光電二極管?？梢远x多達(dá) 24 個(gè)信號(hào)相位，并且能夠以同步方式從每個(gè)相位獲取信號(hào)。光電二極管的電流通過(guò)跨阻放大器 (TIA) 轉(zhuǎn)換為電壓，并使用模數(shù)轉(zhuǎn)換器 (ADC) 進(jìn)行數(shù)字化。ADC 代碼可存儲(chǔ)在 128 樣本的先入先出 (FIFO) 塊中?？梢允褂?SPI 接口對(duì) FIFO 進(jìn)行讀取。這款 AFE 還配有帶 8 位電流控制的全集成 LED 驅(qū)動(dòng)器。該器件具有寬動(dòng)態(tài)范圍的發(fā)送和接收電路，有助于檢測(cè)超小信號(hào)電平。 ? 支持多達(dá) 24 個(gè)相位的信號(hào)采集\n? 在每個(gè)相位內(nèi)均可實(shí)現(xiàn)靈活的 8 個(gè) LED、4 個(gè) PD 分配\n? 從不同的傳感器以不同的數(shù)據(jù)速率同時(shí)采集信號(hào)\n? 精確、連續(xù)的心率監(jiān)測(cè)： \n? 在 16μA PD 電流下系統(tǒng) SNR 高達(dá) 108dB \n? 以低電流在可穿戴設(shè)備上持續(xù)運(yùn)行，其典型值為：LED 為 15μA，接收器為 20μA\n \n? 發(fā)送器： \n? 支持共陽(yáng)極 LED 配置\n? 8 位可編程 LED 電流，可調(diào)范圍為 25mA 至 250mA\n? 可點(diǎn)亮兩個(gè)并聯(lián) LED 且具有獨(dú)立的每相位電流控制功能的模式\n? 每相位可編程 LED 導(dǎo)通時(shí)間\n? 同時(shí)支持 8;

TI

德州儀器

Package：30-XFBGA，DSBGA；包裝：托盤(pán) 類(lèi)別：集成電路（IC） 模擬前端（AFE） 描述：AFE4430 WITH SPI

TI

德州儀器