Datasheet LTC221, LTC222 (Analog Devices) - 7

LTC221/LTC222
U U W U APPLICATIO S I FOR ATIO Auto Ranging an 8-Channel, 10-Bit A/D Converter
CH0 VCC SERIAL PORT 5V CH1 ACLK 15V CH2 SCLK CH3 DIN 15V 5V LT1027 V LTC221/ 15V IN D OV – 5V CH4 OUT LTC222 LTC1090 S1 D1 CH5 CS + CH6 REF+ LT1006 20kΩ CH7 REF – S2 D2 – COM V – DGND AGND 10kΩ S3 D3 TO MICROCONTROLLER 4.99kΩ e.g. HD64180 S4 D4 2.49kΩ IN1 IN2 IN3 DATA BUS B0 – B3 IN4 WR WR V– GND LOGIC ADDRESS BUS DECODER LTC221/222 • AI11 2212fa 7