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AK4184 Datasheet (PDF) - Asahi Kasei Microsystems

AK4184 Datasheet PDF - Asahi Kasei Microsystems
Part # AK4184
Download  AK4184 Download

File Size   608.85 Kbytes
Page   36 Pages
Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description TSC with Keypad Scanner and GPIO Expander

AK4184 Datasheet (PDF)

Go To PDF Page Download Datasheet
AK4184 Datasheet PDF - Asahi Kasei Microsystems

Part # AK4184
Download  AK4184 Click to download

File Size   608.85 Kbytes
Page   36 Pages
Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description TSC with Keypad Scanner and GPIO Expander

AK4184 Datasheet (HTML) - Asahi Kasei Microsystems

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AK4184 Product details

GENERAL DESCRIPTION

The AK4184 is a 12-bit A/D converter witch operates 125kHz (max) sampling rate with a 4-wire resistive touch screen controller (TSC), including low-on resistance switches, touch pressure measurement capability, a maximum 6 x 5 keypad scanner, eight GPIO ports, and a PWM generator for LED contrast control. The AK4184 operates down to a 2.5V supply voltage, and it tolerates digital I/O interface voltage from 1.6V to AVDD in order to connect to low voltage controllers. The AK4184 supports SPI interface for communication to a host controller. The AK4184 is available in a 41-pin BGA package and it operates over a temperature range of -40°C to +85°C. The AK4184 is suitable for Cellular Phone, DSC, DVC, Smart Phone and MP3 player application systems.



FEATURES

SPI Serial Interface

12 bit SAR A/D Converter with S/H Circuit

4-wire Resistive Touch Screen Interface

Sampling Frequency: 125 kHz (max)

Pen Pressure Measurement

6 x 5 Keypad Scanner

8 GPIO Ports

PWM Generator for LED Bias Control

Power Supply:

   AVDD = 2.5V ∼3.6V

   IOVDD = 1.6V ∼AVDD (Digital I/F)

Low Power Consumption (400μA)

Package: 

   41pin BGA (4mm x 4mm, pitch 0.5mm)




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