APT7846

APT7846 Touch Screen Controller Features  16 Pin SSOP or TSSOP Operates With Four Wire Touch Screen 8-Bit or 12-Bit A/D Converter Ratiometric Conversion Eliminates Screen Calibration 1 Auxiliary Analog Input Full Power Down Control Internal Bandgap Reference Serial Interface To Microprocessor Description The APT7846 is enhance function of APT7843 added battery and temperature monitor function and offer of a bandgap reference voltage for system user. The APT7846 Touch Screen Controller IC provides all the screen driver , A/D converter and control circuits to easily interface to 4 wire resistive touch screen. The IC continually monitors the screen waiting for a touch. When the screen touched , the IC performs A/D converter to determine the location of touch. Also , this device has 1 auxiliary input to A/D converter , allowing for the measurement of other input signal. Pin Assignment Applications www.DataSheet4U.com +Vcc 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 DCLK CS DIN BUSY DOUT PENIRQ +Vcc V4-. PDAs Hand held computer Touch-screen mobile phone Protable electronic dictionary Smart IA X+ Y+ XYGND V*)6 IN Ordering Information APT7846 Handling Code Temp. Range Package Code Package Code N : SSOP Temp. Range I : - 40 to 85 °C Handling Code TU : Tube O : TSSOP TR : Tape & Reel ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant infor...