ADX920/ADX921/ADX922/ADX923 Low-Power, 2-Channel, 24-Bit Analog Front-End for Biopotential Measurements
■The ADX920/1/2/3 devices are multichannel, simultaneous sampling, 24-bit, delta-sigma (ΔΣ) analog-to -digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an on board oscillator.
■The ADX920/1/2/3 devices incorporate all features commonly required in portable, low-power medical electrocardiogram (ECG), sports, and fitness applications.
■With high levels of integration and exceptional performance, the ADX920/1/2/3 devices enable the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.
■The ADX920/1/2/3 devices have a flexible input multiplexer per channel that can be independently connected to the internally-generated signals for test, temperature, and lead-off detection. Additionally, any configuration of input channels can be selected for derivation of the right leg drive (RLD) output signal. The ADX920/1/2/3 devices operate at data rates up to 8kSPS. Lead-off detection can be implemented internal to the device, using the device internal excitation current sink or source. The ADX922/3 devices include a fully integrated respiration impedance measurement function. Operating temperature is specified from –40°C to 85°C.
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ADX920 、 ADX921 、 ADX922 、 ADX923 、 ADX923AQFN32 、 ADX922AQFN32 、 ADX921AQFN32 、 ADX920AQFN32 、 ADX923QAQFN32 、 ADX922QAQFN32 、 ADX921QAQFN32 、 ADX920QAQFN32 、 ADX912QAQFN32 、 ADX912AQFN32 、 ADX911QAQFN32 、 ADX911AQFN32 、 ADX9xx 、 ADX9xxQ |
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multichannel, simultaneous sampling, 24-bit, delta-sigma (ΔΣ) analog-to -digital converters 、 ADCs 、 Low-Power, 2-Channel, 24-Bit Analog Front-End |
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[ Biopotential Measurements ][ Medical instrumentation ][ ECG ][ Patient monitoring ][ Personal care ][ fitness monitors ][ data acquisition ][ telemedicine ][ AED ] |
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Datasheet |
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Please see the document for details |
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QFN-32 |
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English Chinese Chinese and English Japanese |
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29 August 2022 |
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Rev A |
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5.4 MB |
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