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

Resistive Touch Controllers

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All Cap to Digital and Touch Screen Controllers

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SortOrderPart#Device Primary FunctionChannelsADC Output Sample Rate (max)
(SPS)
Throughput Rate per Channel
(SPS)
Resolution
(bit)
Input Base Capacitance
(F)
Cin RangesConfig/Programming InterfaceIsupply (typ)
(A)
Vsupply (min)
(V)
Vsupply (max)
(V)
Automotive Recommended
1AD7889 Touch Screen Controller 3 105k- 12-- I2C, Serial 650µ 1.6 3.6-
2AD7147A Capacitance to Digital 13 111 111 16 20p ±8 I2C, SPI 0.9m 2.6 3.6-
3AD7879 Touch Screen Controller 2 105k- 12-- I2C, Serial 650µ 1.6 3.6 Yes
4AD7156 Capacitance to Digital 2 100 100 12 10p 0.5, 1, 2, 4 I2C 65µ 1.8 3.6-
5AD7153 Capacitance to Digital 1 200 200 12 10p ±0.25, ±0.5, ±1, ±2, 0.5, 1, 2, 4 I2C 100µ 2.7 3.6-
6AD7152 Capacitance to Digital 2 200 200 12 10p ±0.25, ±0.5, ±1, ±2, 0.5, 1, 2, 4 I2C 100µ 2.7 3.6-
7AD7148 Capacitance to Digital 8 250k 40 16 20p ±8 I2C 0.9m 2.6 3.6-
8AD7151 Capacitance to Digital 1- 100 12 10p 0.5, 1, 2, 4 I2C 70µ 2.7 3.6-
9AD7150Reference Circuit Available Capacitance to Digital 2- 200 12 10p 0.5, 1, 2, 4 I2C 100µ 2.7 3.6-
10AD7147 Capacitance to Digital 13- 111 16 20p ±8 I2C, SPI 0.9m 2.6 3.6 Yes
11AD7747 Capacitance to Digital 1- 45.5 24 17p ±8.192 I2C 0.7m 2.7 5.25-
12AD7143 Capacitance to Digital 8- 40 16 20p ±2 I2C 0.9m 2.6 3.6-
13AD7142 Capacitance to Digital 14 250k 27.8 16 20p ±2 I2C, SPI 0.9m 2.6 3.6-
14AD7746Reference Circuit Available Capacitance to Digital 2- 90 24 17p ±4.096 I2C 0.7m 2.7 5.25-
15AD7745Reference Circuit Available Capacitance to Digital 1- 90 24 17p ±4.096 I2C 0.7m 2.7 5.25-
16AD7877 Touch Screen Controller 5 125k- 12-- Serial 880µ 2.7 3.6 Yes
17AD7873 Touch Screen Controller 6 125k- 12-- Serial 670µ 2.7 3.6-
18AD7843 Touch Screen Controller 4 125k- 12-- Serial 240µ 2.7 3.6-