Maxim

MAX150 - CMOS, 8-Bit ADC with Volt. Ref.(20 pin SMD)

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Features Fast Conversion Time: 1.34µs MAX. Built-in Track-and-Hold Function No Adjustment Required No External Clock Single +5V Supply Easy Interface To Microprocessors Internal 2.5V Reference(MAX150 only)

Pin Description Pin Number Description 1 VIN-Analog input range=GND 2 DBO-Three-State Data Output, bit 0 (LSB) 3 DB1-Three-State Data Output, bit 1. 4 DB2-Three-State Data Output, bit 2. 5 DB3-Three-State Data Output, bit 3. 6 WR/RDY-Write Control input/READY status output. 7 MODE-Mode selection input 8 RD-READ input 9 INT-INTERRUPT output 10 GND-Ground 11 VREF- -Lower limit of reference span. Sets the zero code voltage 12 VREF+ -Upper limit of reference span. Sets the Full Scale input voltage 13 CS-CHIP-SELECT input 14 DB4-Three-State Data Output, bit 4. 15 DB5-Three-State Data Output, bit 5. 16 DB6-Three-State Data Output, bit 6. 17 DB7-Three-State Data Output, bit 7. 18 OFL-Overflow Output 19 TP REF OUT-Test pin Reference Output 20 VDD-Power Supply Voltage, +5V

Pin Layout Dimensional Drawing

Technical Data Data Sheet Maxim - Data Sheet for MAX150 Application Notes