AK4183_08 Datasheet, PDF (4/18 Pages) Asahi Kasei Microsystems – I2C Touch Screen Controller

[AK4183]
ANALOG CHARACTERISTICS
(Ta = -40°C to 85°C, VCC = 2.7V, I²C bus SCL=400 KHz, 12 bit mode)
Parameter
min
typ
ADC for Touch Screen
Resolution
No Missing Codes
Integral Nonlinearity (INL) Error
12
11
12
Differential Nonlinearity (DNL) Error
±1
Offset Error
Gain Error
Throughput Rate
8.2
Touch Panel Driver On-Resistance
XP, YP
5
XN, YN
5
XP Pull Up Register (when pen interrupt enable)
10
Power Supply Current
Normal Mode PD0=”0“
Fast Mode: SCL=400KHz
91
Addressed
Standard Mode: SCL=100KHz
68
Power Down PD0=”0“
Fast Mode: SCL=400KHz
23
Not Addressed
Standard Mode: SCL=100KHz
6
Full Power Down (Control command PD0= ”0“ SDA=SCL= VCC)
0
max
Units
Bits
Bits
±2
LSB
LSB
±6
LSB
±4
LSB
ksps
Ω
Ω
kΩ
200
μA
150
μA
μA
μA
3
μA
MS0500-E-01
4
2008/12