Diodes AP386X - Manual (Page 9)

Preliminary Datasheet
Superior Multi-touch Capacitive Touch Screen Controller AP386X
Aug. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
9
Electrical Characteristics
T
A
=25°C, V
DD
=2.8V to 3.6V, I 2 C bus frequency=400kHz, 12-bit mode, unless otherwise noted.
Parameter Symbol Conditions Min Typ Max Unit
Quiescent Current
Standard mode f
OSC
=4 to
28MHz
Power-down mode
Idle mode
5
60
1
mA
A
A
VDD18 Output Voltage V
DD18
1.6 1.8 2.0 V
Charge Pump Voltage V
DDHV
Charge pump enable 5.8 6 6.3 V
Internal Operating
Frequency
f
OSC 4 28 MHz
DA/AC Characteristics for AFE
Parameter Symbol Conditions Min Typ Max Unit
ADC DC Accuracy
Resolution
12 Bits
No Missing Codes Standard modes 11 12 Bits
Integral Linearity Error INL Standard modes ±3 LSB
Differential Linearity
Error
Offset Error
Gain Error
DNL
±1.5
±6
±4
LSB
LSB
LSB
Analog Input
Full-scale Input Span 0 V
DD
V
ADC Sampling Dynamics
Throughput Rate 500 ksps
Switched-capacitor Integrator
Output Voltage Range 0.3 V
DD
-0.3 V
Integrator Capacitor C
INT
40 pF