AK4180VT AKM [Asahi Kasei Microsystems], AK4180VT Datasheet
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AK4180VT
Manufacturer Part Number
AK4180VT
Description
Touch Screen Controller
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4180VT.pdf
(17 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AK4180VT-E2
Manufacturer:
AKM
Quantity:
20 000
PENIRQN
Features:
[ASAHI KASEI]
<MS0195-E-01>
Sampling Frequency: 125kHz(max)
Pen Pressure Measurement
On-Chip Thermo Sensor
Two Auxiliary Analog Inputs
Direct Battery Measurement
4-wire I/F
On-Chip Voltage Reference(2.5V)
12 bit SAR type A/D Converter
Low Power Consumption (250 A)
Low Voltage Operation (2.7V - 3.6V)
Package
VBAT
IN1
IN2
XN
YN
YP
XP
16pin TSSOP
INTERRUPT
AK4180
PEN
R2
R1
Temp.
Sensor
Block Diagram
AIN+
AIN-
VCC
(SAR type)
VREF+
General Description:
a 12-bit 125kHz sampling SAR A/D converter. The AK4180 can
detect the pressed screen location by performing two A/D
conversions. In addition to location, the AK4180 also measures
touchscreen pressure.
and battery monitoring, with the ability to measure voltages from
0V to 5V.
12bit
ADC
1
The AK4180 also has an on-chip temperature sensor.
The AK4180 is a 4-wire touch screen controller that incorporates
On-chip VREF can be utilized for two analog auxiliary inputs
VREF-
VREF(2.5V)
Internal
Touch Screen Controller
GND
Control
Logic
CSN
VREF
DCLK
DIN
DOUT
BUSY
2003/02
[AK4180]