Analog Devices Inc. Current & Voltage Measurement Signal Chain
Analog Devices Inc. Current and Voltage Measurement Signal Chains provides options for measuring wide bandwidth signals up to 1MHz where AC and/or DC analysis is required.
Signal Chain Options include:
• Noise and Bandwidth Optimized when measuring wide bandwidth signals this signal chain is focused on precision noise performance.
• Power Optimized when measuring wide bandwidth signals this signal chain is focused on precision performance with reduced power consumption.
• Density Optimized when measuring wide bandwidth signals this signal chain is focused on precision performance with reduced signal chain footprint.
Block Diagram
Noise and Bandwidth Optimized
Protection - ADG5421F - ±60V fault protection and detection, 11Ω RON, dual SPST switch
Gain - LTC6373 - 36V fully-differential programmable-gain instrumentation amplifier with 25pA input bias current
ADC Driver – ADA4899-1 - Unity-gain stable, ultralow distortion, 1 nV/√Hz voltage noise, high-speed op amp
ADC - LTC2387-16/18 - 15MSPS, 16/18 bits
Voltage Reference – LTC6655 - 0.25ppm noise, low drift precision references
Isolation – ADN4654/ADN4655/ADN4656 - 5kVrms and 3.75kVrms, dual-channel LVDS gigabit isolators
Power Optimized
Protection - ADG5421F - ±60V fault protection and detection, 11Ω RON, dual SPST switch
Gain - LTC6373 - 36V fully-differential programmable-gain instrumentation amplifier with 25pA input bias current
ADC Driver - ADA4945-1 - High speed, ±0.1µV/°C offset drift, fully differential ADC driver
ADC - LTC2387-16/18 - 15MSPS, 16/18 bits
Voltage Reference – LTC6655 - 0.25ppm noise, low drift precision references
Isolation – ADN4654/ADN4655/ADN4656 - 5kVrms and 3.75kVrms, dual-channel LVDS gigabit isolators
Density Optimized
Protection - ADG5421F - ±60V fault protection and detection, 11Ω RON, dual SPST switch
Gain - LTC6373 - 36V fully-differential programmable-gain instrumentation amplifier with 25pA input bias current
ADC Driver/ADC - ADAQ23875 - 16-Bit, 15MSPS, µModule data acquisition solution
Voltage Reference – LTC6655 - 0.25ppm noise, low drift precision references
Isolation – ADN4654/ADN4655/ADN4656 - 5kVrms and 3.75kVrms, dual-channel LVDS gigabit isolators
Additional Resources
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