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數據轉換器
整合式與特殊功能資料轉換器
醫療 AFE
生物感測 AFE

AFE4960P

現行

具備整合式呼吸及心律偵測的雙通道 ECG 與 PPG 類比前端

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產品規格表

AFE4960P

現行
產品規格表 立即訂購

產品詳細資料

Applications 1-lead ECG, 3-lead ECG, 5-lead ECG, HRV, Optical-HRM, Optical-HRM for wearables, Patient monitoring, Respiration, Sleep study monitor, SpO2, Vo2 max Number of input channels 6 Resolution (Bits) 22 Number of LEDs 4 Interface type Photodiode, Electrodes Operating temperature range (°C) -40 to 85 Rating Catalog
Applications 1-lead ECG, 3-lead ECG, 5-lead ECG, HRV, Optical-HRM, Optical-HRM for wearables, Patient monitoring, Respiration, Sleep study monitor, SpO2, Vo2 max Number of input channels 6 Resolution (Bits) 22 Number of LEDs 4 Interface type Photodiode, Electrodes Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YBG) 36 5.76 mm² 2.4 x 2.4
  • Supports ECG and respiration impedance measurement; configurable as 2-channel ECG or 1-channel ECG + 1-channel respiration
  • Can be used in IEC 60601-2-47:2012/(R)2016 and IEC 60601-2-27:2011(R)2016 compliant systems
  • 222 µA/channel while operating as 2-channel ECG
  • Integrated Pace pulse detection on 1 channel
  • Supports a 3-lead ECG, extendable to 5 leads or higher by operating two or more AFEs in parallel
  • PPG signal chain for SpO2, Heart rate and PTT
  • ECG signal chain:
    • Single channel ECG acquisition up to 2.048 kHz
    • 2 channel ECG acquisition up to 1.36 kHz/channel
    • RLD output to set body bias through third electrode
    • Programmable INA gain from approximately 2 to 12
    • >1 GΩ input impedance, CMRR > 100 dB
    • Input noise (0.5-150 Hz): 13 µVpp at INA gain of 3; 5 µVpp at INA gain of 12
    • Integrated 370 Hz anti-aliasing low pass filter
    • Mode for continuous lead on/off detection
    • Mode for lead impedance measurement
  • Bio-Z signal chain:
    • Measurement of Bio-impedance over excitation frequency from 30 kHz to 100 kHz
    • Sine wave or square wave excitation
    • Respiration impedance measurement: 45 mΩ-pp noise on a baseline impedance of 2 kΩ
  • Dual channel ECG channel:
    • Bio-Z receiver configurable as a 2nd ECG channel
  • PPG Signal Chain
    • Supports acquisition of up to 24 PPG signals
    • Flexible allocation of 4 LED, 4 PD in each phase
    • 8-Bit LED Current control up to 250 mA
    • Low noise current DAC at input to cancel DC
    • Trans-impedance Gain: 3.7 kΩ to 1 MΩ
    • Filter to reduce sensor’s optical noise bandwidth
  • External clock and internal oscillator modes
  • FIFO with 128-sample Depth, 24-bit word
  • SPITM, I2C interfaces: Selectable by pin
  • 2.6-mm × 2.6-mm DSBGA, 0.4-mm Pitch
  • Supplies: Rx:1.7-1.9 V, IO:1.7-1.9 V , Tx: 3.0-5.5 V
  • Supports ECG and respiration impedance measurement; configurable as 2-channel ECG or 1-channel ECG + 1-channel respiration
  • Can be used in IEC 60601-2-47:2012/(R)2016 and IEC 60601-2-27:2011(R)2016 compliant systems
  • 222 µA/channel while operating as 2-channel ECG
  • Integrated Pace pulse detection on 1 channel
  • Supports a 3-lead ECG, extendable to 5 leads or higher by operating two or more AFEs in parallel
  • PPG signal chain for SpO2, Heart rate and PTT
  • ECG signal chain:
    • Single channel ECG acquisition up to 2.048 kHz
    • 2 channel ECG acquisition up to 1.36 kHz/channel
    • RLD output to set body bias through third electrode
    • Programmable INA gain from approximately 2 to 12
    • >1 GΩ input impedance, CMRR > 100 dB
    • Input noise (0.5-150 Hz): 13 µVpp at INA gain of 3; 5 µVpp at INA gain of 12
    • Integrated 370 Hz anti-aliasing low pass filter
    • Mode for continuous lead on/off detection
    • Mode for lead impedance measurement
  • Bio-Z signal chain:
    • Measurement of Bio-impedance over excitation frequency from 30 kHz to 100 kHz
    • Sine wave or square wave excitation
    • Respiration impedance measurement: 45 mΩ-pp noise on a baseline impedance of 2 kΩ
  • Dual channel ECG channel:
    • Bio-Z receiver configurable as a 2nd ECG channel
  • PPG Signal Chain
    • Supports acquisition of up to 24 PPG signals
    • Flexible allocation of 4 LED, 4 PD in each phase
    • 8-Bit LED Current control up to 250 mA
    • Low noise current DAC at input to cancel DC
    • Trans-impedance Gain: 3.7 kΩ to 1 MΩ
    • Filter to reduce sensor’s optical noise bandwidth
  • External clock and internal oscillator modes
  • FIFO with 128-sample Depth, 24-bit word
  • SPITM, I2C interfaces: Selectable by pin
  • 2.6-mm × 2.6-mm DSBGA, 0.4-mm Pitch
  • Supplies: Rx:1.7-1.9 V, IO:1.7-1.9 V , Tx: 3.0-5.5 V

The AFE4960P supports synchronized signal acquisition of ECG, PPG and bio-impedance signals. A PPG signal chain comprises of a current driver for LEDs and a receiver that senses the signal from PDs. The AFE can be configured as either a 2-channel ECG receiver or as a 1-channel ECG receiver and a Respiration impedance channel. The AFE signal chains can interface in a flexible manner to up to 4 electrodes. The AFE has AC and DC Lead biasing and lead on/off detection. Pacemaker pulse detection is supported on one channel. All the signal chain outputs are converted by a single ADC in well-defined time slots and stored as 24-bit words in a 128-sample FIFO which can be read out using a SPI or an I2C interface. The AFE4960P can be used to realize a 3-lead ECG system along with SpO2.

The AFE4960P supports synchronized signal acquisition of ECG, PPG and bio-impedance signals. A PPG signal chain comprises of a current driver for LEDs and a receiver that senses the signal from PDs. The AFE can be configured as either a 2-channel ECG receiver or as a 1-channel ECG receiver and a Respiration impedance channel. The AFE signal chains can interface in a flexible manner to up to 4 electrodes. The AFE has AC and DC Lead biasing and lead on/off detection. Pacemaker pulse detection is supported on one channel. All the signal chain outputs are converted by a single ADC in well-defined time slots and stored as 24-bit words in a 128-sample FIFO which can be read out using a SPI or an I2C interface. The AFE4960P can be used to realize a 3-lead ECG system along with SpO2.
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AFE4960 現行 具備整合式呼吸及心率偵測的雙通道 ECG 類比前端 Similar design without integrated photoplethysmography (PPG) analog front end

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類型 標題 日期
* Data sheet AFE4960 Two-Channel ECG, Respiration and Pace Pulse Detection Analog Front End (AFE) for Clinical Wearables datasheet PDF | HTML 2022年 5月 13日
Product overview ECG and Cuffless Blood Pressure Monitoring With Integrated AFE PDF | HTML 2023年 10月 30日
Application brief Wearable EEG (Electroencephalography) (Rev. B) PDF | HTML 2023年 10月 30日
Application brief Remote Patient Monitoring PDF | HTML 2022年 11月 30日
Application brief ECG Signal Acquisition on Wearables PDF | HTML 2022年 11月 15日
Application brief Measuring Oxygen Saturation (SpO2) on Wearables PDF | HTML 2022年 11月 14日
Application brief Optical Heart Rate Monitoring (OHRM) on Wearables PDF | HTML 2022年 11月 14日
Application brief Cuffless Blood Pressure Monitoring on Wearables PDF | HTML 2022年 11月 9日
Certificate AFE4960PEVM EU RoHS Declaration of Conformity (DoC) 2022年 7月 29日

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AFE4960PEVM — 適用於具呼吸及心率偵測的雙通道 ECG 和 PPG 的 AFE 的 AFE4960P 評估模組

AFE4960P 評估模組 (EVM) 是可用來評估 AFE4960P 生物感測類比前端 (AFE) 的平台，其支援心電圖 (ECG)、和生物阻抗及光體積變化描記圖 (PPG) 訊號的同步訊號擷取。

AFE4960P 可以配置為雙通道 ECG 接收器，或做為單通道 ECG 接收器和呼吸阻抗通道和 PPG 通道。AFE 訊號鏈可彈性地介接至高達四個電極。右腳驅動 (RLD) 放大器輸出可用來設定本體偏差。AFE 具有用於偵測引線開/關的 DC 引線偏置，以及用於測量引線阻抗的 AC 引線偏置。

一個通道支援心律調節器脈搏偵測。兩個通道輸出的可編程抽取濾波器可降低輸出資料率。

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DSBGA (YBG) 36 Ultra Librarian
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