MAX161

PRODUCTION

CMOS, 20µs, 8-Bit, 8-Channel Data Acquisition System

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • Fast Conversion Time: 20μsec (MAX161)
  • No Missing Codes Over Temperature
  • On Chip 8x 8 Dual Port RAM
  • Interfaces Directly To Z80/8085/6800
  • Ratiometric Capability
  • Interleaved DMA Operation

The MAX161 and MX7581 are CMOS single-chip 8-bit, 8-channel data acquisition systems (DAS). Each chip includes an 8-bit A/D converter, 8-channel multiplexer, 8 x 8 dual port RAM with contention logic, and microprocessor compatible I/O logic. When combined with a voltage reference, a complete data acquisition system is produced that interfaces with the majority of microprocessors.

Conversions take place on a continuous, channel sequencing basis using a microprocessor clock or control signal. Data is stored automatically in dual port RAM so that any channel can be read at any time under microprocessor control.

The MAX161 is an enhanced, pin-compatible version of the MX7581. Improvements include faster conversion and interface timing, lower zero error and drift, reduced power dissipation, and availability in military temperature grades. All devices are available in 28 pin DIP and Small Outiline (SO) packages.

Applications

  • Automatic Test Equipment
  • Data Loggers
  • Digital Signal Processing
  • Process Control
  • Robotics
MAX161
CMOS, 20µs, 8-Bit, 8-Channel Data Acquisition System
MAX161, MX7581: Pin Configuration
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Documentation

Data Sheet 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 2
MAX1110
PRODUCTION +2.7V, Low-Power, Multichannel, Serial, 8-Bit ADCs
MAX1112
PRODUCTION +5V, Low-Power, Multichannel, Serial 8-Bit ADCs
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