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MAX154ACNG Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX154ACNG Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 12 page CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference _______________________________________________________________________________________ 5 Reference Output (2.5V) for MAX154 REF OUT 5 Three-State Data Output, bit 0 (LSB) DBO 6 Three-State Data Output, bit 1 DB1 7 Analog Input Channel 1 AIN1 4 Analog Input Channel 2 AIN2 3 Analog Input Channel 3 AIN3 2 Analog Input Channel 4 AIN4 1 _____________________________________________________________Pin Descriptions Three-State Data Output, bit 2 DB2 8 Three-State Data Output, bit 3 DB3 9 Read Input. RD controls conversions and data access. See Digital Interface section. RD 10 Three-State Data Output, bit 7 (MSB) DB7 20 Ground GND 12 Lower Limit of Reference Span. Sets the zero-code voltage. Range: GND to VREF+. VREF- 13 Interrupt Output. INT going low indi- cates the completion of a conversion. See Digital Interface section. INT 11 Chip-Select Input. CS must be low for the device to be selected. CS 16 Three-State Data Output, bit 4 DB4 17 Three-State Data Output, bit 5 DB5 18 Three-State Data Output, bit 6 DB6 19 Interrupt Output. INT going low indi- cates the completion of a conversion. See Digital Interface section. INT 13 Ground GND 14 Analog Input Channel 2 AIN2 5 Analog Input Channel 1 AIN1 6 Reference Output (2.5V) for MAX158 REF OUT 7 Analog Input Channel 3 AIN3 4 Analog Input Channel 4 AIN4 3 Analog Input Channel 5 AIN5 2 Analog Input Channel 6 AIN6 1 Three-State Data Output, bit 0 (LSB) DB0 8 Three-State Data Output, bit 1 DB1 9 Three-State Data Output, bit 2 DB2 10 Three-State Data Output, bit 3 DB3 11 Lower Limit of Reference Span. Sets the zero-code voltage. Range: GND to VREF+. VREF- 15 Read Input. RD controls conversions and data access. See Digital Interface section. RD 12 Ready Output. Open-drain output with no active pull-up device. Goes low when CS goes low and high imped- ance at the end of a conversion. RDY 17 Power-Supply Voltage, +5V VDD 26 Channel Address 2 Input A2 23 Channel Address 1 Input A1 24 Channel Address 0 Input A0 25 Upper Limit of Reference Span. Sets the full-scale input voltage. Range: VREF- to VDD. VREF+ 14 Ready Output. Open-drain output with no active pull-up device. Goes low when CS goes low and high imped- ance at the end of a conversion. RDY 15 Power-Supply Voltage, +5V VDD 24 Channel Address 1 Input A1 21 Channel Address 0 Input A0 22 No Connect NC 23 Three-State Data Output, bit 7 (MSB) DB7 22 Chip-Select input. – CS must be low for the device to be selected. CS 18 Three-State Data Output, bit 4 DB4 19 Three-State Data Output, bit 5 DB5 20 Three-State Data Output, bit 6 DB6 21 Analog Input Channel 8 AIN8 27 Analog Input Channel 7 AIN7 28 Upper Limit of Reference Span. Sets the full-scale input voltage. Range: VREF- to VDD. VREF+ 16 PIN MAX154 FUNCTION NAME PIN MAX158 FUNCTION NAME |
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