PCM-ADIO - PC/104 Data Acquisition Module

SPECIFICATIONS

Analog Input

Four 8-channel, 16-bit Analog-to-Digital (A/D) (LTC-1609) with sample-and-hold circuit support
Sample Rate: Selectable
Conversion Rate: 200 ksps
Each channel independently software programmable for input type and range
Input ranges:
0-1.25V, 0-2.5V, 0-5V, 0-10V, +/-1.25V, +/-2.5V, +/-5V or +/-10V
Input Protection: +/-25V
Interrupt I/O supported

Analog Output

Four 4-channel, 12-bit Analog-to-Digital (A/D) (LTC-1588)
Output ranges:
0-5V, 0-10V, +/-2.5V, +/-5V or +/-10V
Each channel independently software programmable for output type and range
Output channels can be updated and cleared individually or simultaneously
Supports industry standard signal conditioners

Digital I/O

16-bit TTL-compatible general purpose digital I/O
12 mA Sink/Source Current
Software programmable interrupt configuration

Datasheet | Manual | Software

Power

+5V @ 850 mA required

Industrial Operating Temperature Range

-40°C to 85°C

Form Factor

PC/104-compliant
3.60 in x 3.80 in (90 mm x 96 mm)

OVERVIEW

The PCM-ADIO is an intelligent PC/104-based analog input, analog output, and digital I/O board designed to meet customer demands for high-accuracy and high channel count analog I/O. Based on 16-bit analog-to-digital and 12-bit digital-to-analog converters, the PCM-ADIO includes unique features such as advanced automatic conversion control and buffers, automatic calibration for all input modes of operation, and jumperless selection for all analog input/output ranges.

Automated input configurations provide designers the flexibility to digitize inputs from many different sources with little or no external input signal conditioning. Input range selection, mode, calibration, and conversion rates are handled automatically on a channel-by-channel basis through a simple command structure.

This board targets industrial applications that require a variety of inputs from thermocouples, amplified bridges and monitored system voltages representing parameters such as temperature, pressure, acceleration, humidity, frequency, vibration, weight, flow rates and current. The PCM-ADIO operates over the industrial temperature range of -40°C to +85°C.

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ORDERING INFORMATION

Product Model
Part Number	Description
PCM-ADIO	PC/104 Command-based data acquisition board

DOWNLOADS

PDF Datasheet
Printable datasheet in PDF format	Datasheet

Manual
Electronic product manual in PDF format	Manual

Software Drivers & Examples
Documentation
(Reference)
Application Note(AN-22): Understanding Conversion Rate in Industrial Multiplexed Data Acquisition Systems	AN-22Speed.pdf
Application Note(AN-23): Understanding Analog to Digital Converter Transition Noise	AN-23Noise.pdf
Application Note(AN-24): Simple Resolution Enhancement for the PCM-ADIO Advanced Analog I/O	AN-24Resol.pdf
Application Note(AN-25): Understanding Auto-Calibration and Winsystems' Advanced Analog I/O	AN-25Auto.pdf

Examples
(I/O Drivers)
Windows 2000/XP Drivers	winadio.zip
Linux Kernel 2.2	linux_pcmadio.zip
Linux Kernel 2.6	linuxadio_2.6.zip
DOS Drivers and Utilities	dos_pcmadio.zip