Datasheet LTC221, LTC222 (Analog Devices) - 8

LTC221/LTC222
U U W U APPLICATIO S I FOR ATIO 8-Channel, 14-Bit A/D Converter
CH0 5V CH1 ACLK CH2 SCLK SERIAL PORT CH3 DIN VIN D 0V TO 5V CH4 OUT LTC1090 CH5 CS 1kΩ 1kΩ 1kΩ CH6 REF+ LT1027 15V CH7 REF – COM V – 1kΩ DGND AGND 15V TO S1 D1 MICROCONTROLLER S2 D2 e.g. TMS370 S3 D3 S4 D4 IN1 LTC221/ LTC222 IN2 IN3 DATA BUS B0 – B3 IN4 WR WR V– GND LOGIC ADDRESS BUS DECODER LTC221/222 • AI12 2212fa 8