电容数字转换器和触摸屏控制器

Part#Device Primary FunctionNumber of ChannelsADC Output Sample Rate (max)(SPS)Throughput Rate per Channel(SPS)Resolution(bits)Input Base Capacitance(F)Cin RangesConfig/Programming InterfaceIsupply (typ)(A)Vsupply (min)(V)Vsupply (max)(V)Automotive Recommended
AD7889Touch Screen Controller3105k-12--I²C, Serial650µ1.63.6-
AD7147ACapacitance to Digital131111111620p±8I²C, SPI0.9m2.63.6-
AD7879Touch Screen Controller2105k-12--I²C, Serial650µ1.63.6Yes
AD7156Capacitance to Digital21001001210p0.5, 1, 2, 4I²C65µ1.83.6-
AD7153Capacitance to Digital12002001210p±0.25, ±0.5, ±1, ±2, 0.5, 1, 2, 4I²C100µ2.73.6-
AD7152Capacitance to Digital22002001210p±0.25, ±0.5, ±1, ±2, 0.5, 1, 2, 4I²C100µ2.73.6-
AD7148Capacitance to Digital8250k401620p±8I²C0.9m2.63.6-
AD7151Capacitance to Digital1-1001210p0.5, 1, 2, 4I²C70µ2.73.6-
AD7150Capacitance to Digital2-2001210p0.5, 1, 2, 4I²C100µ2.73.6-
AD7147Capacitance to Digital13-1111620p±8I²C, SPI0.9m2.63.6Yes
AD7747Capacitance to Digital1-45.52417p±8.192I²C0.7m2.75.25-
AD7143Capacitance to Digital8-401620p±2I²C0.9m2.63.6-
AD7142Capacitance to Digital14250k27.81620p±2I²C, SPI0.9m2.63.6-
AD7746Capacitance to Digital2-902417p±4.096I²C0.7m2.75.25-
AD7745Capacitance to Digital1-902417p±4.096I²C0.7m2.75.25-
AD7877Touch Screen Controller5125k-12--Serial880µ2.73.6Yes
AD7873Touch Screen Controller6125k-12--Serial670µ2.73.6-
AD7843Touch Screen Controller4125k-12--Serial240µ2.73.6-