AD7879ACPZ-RL Analog Devices Inc, AD7879ACPZ-RL Datasheet - Page 23

• Manufacturer Part Number: AD7879ACPZ-RL
• Description: IC ADC 12BIT CTLR TOUCH 16LFCSP
• Manufacturer: Analog Devices Inc
• Type: Touch Screen Controller: 4-Wire Resistiver

Specifications of AD7879ACPZ-RL

• Resolution (bits): 12 b
• Data Interface: I²C
• Package / Case: 16-LFCSP
• Mounting Type: Surface Mount
• Voltage - Supply: 1.6 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 105k
• Sampling Rate: 105kSPS
• Supply Voltage Range - Analog: 1.6V To 3.6V
• Supply Current: 480µA
• Digital Ic Case Style: CSP
• No. Of Pins: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 14. Measurement Result Registers
Address
0x08
0x09
0x0A
0x0B
0x0C
0x0D
Table 15. Revision/Device ID Register
Address
0x0E
Data Bit
15:0
15:0
15:0
15:0
15:0
15:0
Description
Measured X+ input with Y excitation (Y position)
Measured Y+ input with X excitation (X position)
Measured X+ input with X− and Y+ excitation (touch-pressure calculation Z1)
Measured Y− input with X− and Y+ excitation (touch-pressure calculation Z2)
AUX/VBAT voltage measurement
Temperature conversion measurement
Data Bit
15:12
11:8
7:0
Description
Unused
Revision and device ID bits
Device ID
Rev. 0 | Page 23 of 36
Default Value
0x0379 (AD7879-1)
0x037A (AD7879)
Default Value
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
AD7879