Capacitance to Digital Converters

Analog Devices offers the world’s first high-precision, fully integrated Capacitance-to-Digital Converters (CDC), that address the complex and difficult signal processing challenges of direct capacitance-to-digital conversion. The award-winning Capacitance-to-Digital Converter (CDC) technology enables high accuracy capacitance sensing for Industrial, Automotive, and Consumer applications.

Circuit from the lab Engineered. Tested. Ready to Integrate.

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Capacitive to Digital Converters

Part# Resolution (Bits)Throughput Rate# ChanPower DissInput Base CapacitanceC-D CinUS-Price-1000-to-4999
AD7147A16111SPS123.6mW20pF8pF $1.25
AD715612100SPS2252µW10pF4pF $1.25
AD715212200SPS2432µW5pF2pF $1.97
AD715312200SPS1432µW5pF2pF $1.77
AD7148164SPS83.3mW20pF8pF $1.21
AD714716111SPS123.6mW20pF8pF $1.28
AD7150Reference Circuit Available12200SPS2430µW10pF4pF $1.37
AD715112100SPS1300µW10F4F $1.37
AD71431643.5SPS83.6mW20pF2pF $1.25
AD77472445.5SPS14.25mW17pF8pF $4.66
AD71421627.8SPS143.6mW20pF2pF $1.37
AD7745Reference Circuit Available2490SPS14.25mW17pF4pF $4.66
AD7746Reference Circuit Available2490SPS24.25mW17F4F $5.01
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Capacitive Touch Controller

Part# Resolution#ADC-InputsDelta CINThroughput RateSerial InterfaceInput Base Capacitance#Pins-Smallest-Pkg
AD714716128pF111SPSI2C, SPI20pF24
AD7147A16128pF111SPSI2C20pF25
AD71481688pF4SPSI2C20pF16
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