Analog Devices Inc. Vibration & Sound Signal Chains
Analog Devices Inc. Vibration and Sound Signal Chains are designed for use cases with low noise and wide bandwidth, such as edge node sensing and high-performance vibration and sound data acquisition channels. Some signal chains include devices with integrated digital filters to simplify analog filter design, reduce interface speed, and reduce power consumption in the digital host. The devices include high-performance DAQ signal chains with wide bandwidth and low noise.
Edge Node Vibration Sensing Block Diagram
Enhanced Digital Functions
MEMS Accelerometer – ADXL1001/ ADXL1002 - Low noise, high frequency ±100g and ±50g MEMS accelerometer
ADC Driver – ADA4805-2 - Dual, 0.2µV/°C offset drift, 105MHz low power, low noise, rail-to-rail amplifier
ADC/ Ref Buffer – AD7768-1 - DC to 204kHz, dynamic signal analysis, precision 24-bit ADC with power scaling
Wide Bandwidth Compact Solution
MEMS Accelerometer – ADXL1001/ ADXL1002 - Low noise, high frequency ±100g and ±50g MEMS accelerometer
ADC Driver/ADC/Ref Buffer – ADAQ7988- 16-bit, 500kSPS, μModule data acquisition system
Vibration Sensing Data Acquisition Module Block Diagram
IEPE Unipolar Input
Input Protection Switch – ADG5421F – ±60V fault protection and detection, 11Ω RON, dual SPST switch
Constant Current Source – LT3092 - 200mA 2-terminal programmable current source
Offset Adjustment DAC – LTC2606 - 16-Bit rail-to-rail DACs with I2C interface
Gain – AD8605 – Precision, low noise, CMOS, RRIO op amp (single)
ADC Driver – ADA4945-1 – High speed, ±0.1µV/˚C offset drift, fully differential ADC driver
ADC – AD7768-1 – DC to 204kHz, dynamic signal analysis, precision 24-bit ADC with power scaling
Ref Buffer – ADA4807-1 – Zero-drift, single-supply, rail-to-rail input/output operational/amplifier
Reference – ADR4540 - Ultra-low noise, high-accuracy 4.096V voltage reference
IEPE Bipolar Input
Input Protection Switch – ADG5421F – ±60V fault protection and detection, 11Ω RON, dual SPST switch
Constant Current Source – LT3092 - 200mA 2-terminal programmable current source
Gain – ADA4610-1 – Precision, low noise JFET op-amp
ADC Driver – ADA4945-1 – High speed, ±0.1µV/˚C offset drift, fully differential ADC driver
ADC – AD7768-1 – DC to 204kHz, dynamic signal analysis, precision 24-bit ADC with power scaling
Ref Buffer – ADA4807-1 – Zero-drift, single-supply, rail-to-rail input/output operational/amplifier
Reference – ADR4540 - Ultra-low noise, high-accuracy 4.096 V voltage reference
Digital Isolator – ADuM141D - 150Msps 3/3.75kVrms isolation
Videos
Reference Design
Application Note
LTspice Signal Chain Simulations
Precision Signal Chain Platforms
Analog Devices Inc. Precision Technology Signal Chain Platforms
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