Resistive Touch Controllers

Analog Devices offers a range of controller ICs for use with 4-wire resistive touch screens. These controllers can be used in human machine interface applications in consumer, automotive, and other products. Analog Devices’ controllers have 12 bits of resolution, SPI/I2C interface options, and low power consumption, making them ideal for use in handheld devices.
Product Selection Table

Resistive Touch Controllers

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SortOrderPart#Device Primary Function# of ChannelsVs+
(max)
(V)
Vs+
(min)
(V)
Power
(typ)
(W)
Data Output InterfacePrice (1000+)
($ US)
1AD7889 Touch Screen Controller 3 3.6 1.6 2.3m Serial I2C, Serial SPI-
2AD7873 Touch Screen Controller 6 3.6 2.7 1.4m SPORT $2.01 (AD7873ACPZ)