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参数资料
| 型号： | AK4181AVT |
| 厂商： | ASAHI KASEI POWER DEVICES CORP |
| 元件分类： | 消费家电 |
| 英文描述： | TOUCH SCREEN CONTROLLER |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封装： | PLASTIC, LEAD FREE, TSSOP-16 |
| 文件页数： | 1/17页 |
| 文件大小： | 156K |
| 代理商： | AK4181AVT |
[AK4181A]
MS0313-E-02
2010/09
1
AK4181A
Touch Screen Controller
AIN+
AIN-
Internal VREF(2.5V)
12bit
ADC
(SAR type)
VREF+
VREF-
YN
XN
YP
XP
VBAT
VREF
DCLK
CSN
DIN
DOUT
IN1
BUSY
PENIRQN
VCC
GND
Control
Logic
IN2
Temp.
Sensor
R1
R2
PEN
INTERRUPT
Block Diagram
Features:
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 with S/H circuit
Low Power Consumption (250
μA)
Low Voltage Operation (2.7V - 3.6V)
Package
16pin TSSOP
General Description:
The AK4181A is a 4-wire touch screen controller that
incorporates a 12-bit 125kHz sampling SAR A/D converter.
The AK4181A can detect the pressed screen location by
performing two A/D conversions. In addition to location, the
AK4181A also measures touch screen pressure.
On-chip VREF can be utilized for two analog auxiliary
inputs and battery monitoring, with the ability to measure
voltages from 0V to 5V.
The AK4181A also has an on-chip temperature sensor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AK4181AVTP-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4182 | 制造商:AKM 制造商全称:AKM 功能描述:Touch Screen Controller |
| AK4182A | 制造商:AKM 制造商全称:AKM 功能描述:touch screen controller |
| AK4182AVN | 制造商:AKM 制造商全称:AKM 功能描述:Touch Screen Controller |
| AK4182VN | 制造商:AKM 制造商全称:AKM 功能描述:Touch Screen Controller |
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