AK4183_06 Datasheet, PDF (4/17 Pages) –

ASAHI KASEI
[AK4183]
Analog Characteristics
Ta = -40°C to 85°C, VCC = 2.7V, I²C bus SCL=400 KHz, 12 bit mode
Parameter
min.
typ.
max.
Units
ADC for Touch Screen
Resolution
12
Bits
No Missing Codes
11
12
Bits
Integral Nonlinearity (INL) Error
±2
LSB
Differential Nonlinearity (DNL) Error
±1
LSB
Offset Error
±6
LSB
Gain Error
±4
LSB
Throughput Rate
8.2
ksps
Touch Panel Driver On-Resistance
XP, YP
XN, YN
5
Ω
5
Ω
XP Pull Up Register (when pen interrupt enable)
10
kΩ
Power Supply Current
Normal Mode PD0=”0“
Addressed
Fast Mode: SCL=400KHz
Standard Mode: SCL=100KHz
91
200
µA
68
150
µA
Power Down PD0=”0“
Fast Mode: SCL=400KHz
23
µA
Not Addressed
Standard Mode: SCL=100KHz
6
µA
Full Power Down (Control command PD0= ”0“ SDA=SCL= VCC)
0
3
µA
MS0500-E-00
4
2006/04