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M33 - Mezzanine Card with 8 Analog Outputs, 12 Bits


The M33 is an M-Module with 8 analog current or voltage outputs and 12 bits resolution. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.

  • M33 Product ImageM33 8 Analog Outputs
  • M33 Product Image

Main Features

  • 8 current or voltage outputs
  • 12 bits resolution
  • 10 µs acquisition/conversion time
  • Simultaneous channel update
  • Optical isolation
  • -40 °C to +85 °C versions
M33 Product Image

Technical Data

D/A Conversion
  • 8 channels
  • 12 bits
  • DAC conversion time 10µs
  • ±5 LSB gain
  • Simultaneous update of all channels possible
Voltage Output
  • Output current: 5mA max.
  • Output linearity: ±1 LSB
  • Accuracy: ±0.2%, ±1 LSB differential
  • Voltage ranges: 0..10V; -5V..+5V; -10V..+10V
  • Voltage output stable up to 1µF capacitive load
Current Output
  • Accuracy: ± 0.5%
  • Current range: 0..20mA; 4..20mA
  • Max. output voltage 10V
  • Load resistance range: 0..500 Ohm
Slew Rates for Voltage Output
  • 0V..+10V mode: switch from 0V to +10V; slew rate (SR) = 4V/µs
  • -5V..+5V mode: switch from -5V to +5V; slew rate (SR) = 4V/µs
  • -10V..+10V mode: switch from -10V to +10V; slew rate (SR) = 4V/µs
Peripheral Connections
  • Via front panel on a shielded 25-pin D-Sub receptacle connector
  • Via carrier board (rear I/O)
M-Module Characteristics
A08, D16, IDENT
Electrical Specifications
  • Isolation voltage: 500V DC
  • Supply voltage/power consumption:
    • +5V (4.85V..5.25V), 480mA quiescent current, 600mA with 8 channels voltage output, 650mA with 4 channels current output
    • External supply voltage +24V: 15.6V..30V
  • MTBF: 200,000h @ 50°C (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: conforming to M-Module Standard
  • Weight: 80g
Environmental Specifications
  • Temperature range (operation):
    • 0..+60°C
    • Industrial temperature range on request
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity range (operation): max. 95% non-condensing
  • Relative humidity range (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
Tested according to EN 55022 (radio disturbance), IEC 61000-4-2 (ESD) and IEC 61000-4-4 (burst)
Software Support
  • MEN Driver Interface System (MDIS for Windows, Linux, VxWorks, QNX, OS-9)
  • For more information on supported operating system versions and drivers see Software.


4 or 8
Operation Temperature
  • 0..+60°C
  • -40..+85°C

Ordering Information

Standard M33 Models

4 analog outputs, 0..+60°C


8 analog outputs, 0..+60°C


8 analog outputs, -40..+85°C screened

Miscellaneous Accessories

M-Module cable, 2 m, with 25-pin D-Sub plug/housing to pig tail


25 mounting screw sets to fix M-Modules on carrier boards (3 different screw types, 50 pieces each)



The MDIS5 system package includes most standard device drivers for Linux available from MEN.


MDIS4/2004 / MDIS5 Windows driver (MEN) for M33


MDIS5 System (and Device Driver) Package (MEN) for VxWorks. This software package includes most standard device drivers available from MEN.


MDIS4/2004 system (and device driver) package (MEN) for QNX, source code. This software package includes most standard device drivers available from MEN.


MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M33

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