Maxim

MAX172 - CMOS, 12-Bit ADC with Reference (24 pin DIP)

Photograph

Features 12-Bit Resolution and Linearity 10µs Conversion Time No Missing Codes On-Chip Voltage Reference 90ns Access Time 215mW Max Power Consumption 24-Lead Narrow DIP Package Pin-for-Pin AD7572 Replacement

Pin Description Pin Number Description 1 AIN-Sampling Analog Input 2 VREF-Reference Voltage 3 AGND-Analog Ground 4 D11-Three-State Data Output 5 D10-Three-State Data Output 6 D9-Three-State Data Output 7 D8-Three-State Data Output 8 D7-Three-State Data Output 9 D6-Three-State Data Output 10 D5-Three-State Data Output 11 D4-Three-State Data Output 12 DGND-Digital Ground 13 D3/11-Three-State Data Output: MSB=D11 14 D2/10-Three-State Data Outputs 15 D1/9-Three-State Data Outputs 16 D0/8-Three-State Data Output: LSB=DO 17 CLOCK IN-Clock Input in Serial Mode 18 CLK OUT-Clock Output in Serial Mode 19 HBEN-High-Byte Enable Input 20 RD-Read Input in Parllel Mode 21 CS-Chip-Select Input 22 BUSY-BUSY-Output is low during a conversion 23 VSS-Negative Supply OV to-5.25V 24 VDD-Positive Supply , +5V ±5%

Pin Layout Dimensional Drawing

Technical Data Data Sheet Maxim - Data Sheet for MAX172 Application Notes