AFE4900 Ultra-low Power, Integrated AFE for Wearable Optical, Electrical Bio-sensing with FIFO

1 Features 1? Synchronized PPG, ECG signal acquisition at data rates up to 1 kHz ? ECG signal chain: – Standalone ECG acquisition up to 4 kHz – Input bias: 1-lead ECG with RLD bias – Programmable INA gain: 2.15 to 12.92 – Input noise (1 Hz to 150 Hz): 2.5 μVrms at 1 kHz, 1.25 μVrms at 4-kH

文件：333.61 Kbytes 頁數(shù)：8 Pages

TI

德州儀器

Ultra-Low Power, Integrated AFE for Wearable Optical, Electrical Bio-Sensing With FIFO

文件：685.57 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

絲?。?strong>AFE4900；Package：DSBGA；AFE4900 Ultra-low Power, Integrated AFE for Wearable Optical, Electrical Bio-sensing with FIFO

1 Features 1? Synchronized PPG, ECG signal acquisition at data rates up to 1 kHz ? ECG signal chain: – Standalone ECG acquisition up to 4 kHz – Input bias: 1-lead ECG with RLD bias – Programmable INA gain: 2.15 to 12.92 – Input noise (1 Hz to 150 Hz): 2.5 μVrms at 1 kHz, 1.25 μVrms at 4-kH

文件：333.61 Kbytes 頁數(shù)：8 Pages

TI

德州儀器

絲?。?strong>AFE4900；Package：DSBGA；AFE4900 Ultra-low Power, Integrated AFE for Wearable Optical, Electrical Bio-sensing with FIFO

1 Features 1? Synchronized PPG, ECG signal acquisition at data rates up to 1 kHz ? ECG signal chain: – Standalone ECG acquisition up to 4 kHz – Input bias: 1-lead ECG with RLD bias – Programmable INA gain: 2.15 to 12.92 – Input noise (1 Hz to 150 Hz): 2.5 μVrms at 1 kHz, 1.25 μVrms at 4-kH

文件：333.61 Kbytes 頁數(shù)：8 Pages

TI

德州儀器

絲?。?strong>AFE4900；Package：DSBGA；AFE4900 Ultra-low Power, Integrated AFE for Wearable Optical, Electrical Bio-sensing with FIFO

1 Features 1? Synchronized PPG, ECG signal acquisition at data rates up to 1 kHz ? ECG signal chain: – Standalone ECG acquisition up to 4 kHz – Input bias: 1-lead ECG with RLD bias – Programmable INA gain: 2.15 to 12.92 – Input noise (1 Hz to 150 Hz): 2.5 μVrms at 1 kHz, 1.25 μVrms at 4-kH

文件：333.61 Kbytes 頁數(shù)：8 Pages

TI

德州儀器

絲?。?strong>AFE4900；Package：DSBGA；AFE4900 Ultra-low Power, Integrated AFE for Wearable Optical, Electrical Bio-sensing with FIFO

1 Features 1? Synchronized PPG, ECG signal acquisition at data rates up to 1 kHz ? ECG signal chain: – Standalone ECG acquisition up to 4 kHz – Input bias: 1-lead ECG with RLD bias – Programmable INA gain: 2.15 to 12.92 – Input noise (1 Hz to 150 Hz): 2.5 μVrms at 1 kHz, 1.25 μVrms at 4-kH

文件：333.61 Kbytes 頁數(shù)：8 Pages

TI

德州儀器

適用于可穿戴光學(xué)和電生物傳感的超低功耗集成型 AFE

AFE4900 器件是一款用于同步心電圖 (ECG)、光電血管容積圖 (PPG) 信號采集的模擬前端 (AFE)。該器件還可用于光學(xué)生物傳感 應(yīng)用，例如心率監(jiān)測 (HRM) 和周圍毛細(xì)血管氧飽和度 (SpO2) 測量。PPG 信號鏈支持多達(dá)四個可切換發(fā)光二極管 (LED) 以及多達(dá)三個光電二極管 (PD)。LED 可以使用完全集成的 LED 驅(qū)動器打開。光電二極管的電流通過互阻抗放大器 (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。ECG 信號鏈具有一個連接至同一 ADC 的儀表放大器 (INA)，該放大器具有可編程增益。右腿驅(qū)動 (RLD) 放大器組可用于 ECG 輸入引 ? 以高達(dá) 1kHz 的數(shù)據(jù)速率進(jìn)行同步 PPG、ECG 信號采集\n? 高達(dá) 4kHz 的獨(dú)立 ECG 采集\n? 可編程 INA 增益：2.15 至 12.92\n? 交流、直流導(dǎo)聯(lián)脫落檢測：12.5nA 至 100nA\n? PPG 接收器： \n? 來自 PD 的電流的 24 位表示\n? ADC 輸出端的數(shù)字環(huán)境消減\n? 跨阻增益：10kΩ 至 2MΩ\n? 接收器在僅 PPG 模式下以大約 1μA/Hz 的采樣率運(yùn)行\(zhòng)n? PPG 發(fā)送器： \n? 高達(dá) 200mA 的 8 位 LED 電流\n? 可編程 LED 導(dǎo)通時間\n? 平均電流為 30μA，適用于典型的心率監(jiān)測情形： ;

TI

德州儀器

Ultra-Low Power, Integrated AFE for Wearable Optical, Electrical Bio-Sensing With FIFO

文件：685.57 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

Ultra-Low Power, Integrated AFE for Wearable Optical, Electrical Bio-Sensing With FIFO

文件：685.57 Kbytes 頁數(shù)：10 Pages

TI

德州儀器

Package：30-XFBGA，DSBGA；包裝：卷帶（TR） 類別：集成電路（IC） 模擬前端（AFE） 描述：IC AFE 3 CHAN 24BIT 30DSBGA

TI

德州儀器