Resistive Touch Controllers

Analog Devices offers a range of controller ICs for use with 4-wire resistive touch screens. These touch screen controllers can be used in Human-Machine-Interface applications in Consumer, Automotive and other products. Analog Devices' touch screen controllers have 12 bits of resolution, SPI/I2C interface options, and low power consumption, making them ideal for use in hand-held portable devices.

PRODUCT SELECTION TABLES

Touchscreen Controllers

Part#Resolution (Bits)Throughput Rate# ChanMax Pos SupplyMax Neg SupplySleep Pwr DissRef Int/ExtWidest Temp Range (°C)Power Dissipation (typ)US Price 1000 to 4999
AD7889 12 105 kSPS 6 3.6 0 1.8 µW Ext -40 to +85 2.3 mW $1.69
AD7879 12 105 kSPS 6 3.6 0 1.8 µW Ext -40 to +85 2.3 mW $1.69
AD7877 12 125 kSPS 9 3.6 0 3.6 µW Int/Ext -40 to +85 3.2 mW $2.15
AD7873 12 125 kSPS 6 3.6 0 3.6 µW Int/Ext -40 to +85 1.4 mW $1.95
AD7843 12 125 kSPS 4 3.6 0 3.6 µW Ext -40 to +85 1.4 mW $1.16
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