Diamond-MM-16R-AT

PC/104 16-Bit Analog I/O Module with Autocalibration
  • Details
  • Specification
  • Order information
  • 16 analog inputs, 16-bit resolution
  • 100KHz max sampling rate
  • Programmable gain and range
  • Operating Temperature: -40°C to +85°C tested and guaranteed

The DMM-16R-AT features top performance and flexibility for a mid-range price. It has 16 single-ended / 8 differential analog voltage inputs with both unipolar and bipolar input ranges, programmable gain, and a maximum sampling rate of 100KHz. The 4 D/A channels and 16 digital I/O lines provide additional real-world control and monitoring capability.

The full −40 to +85°C industrial temperature operation ensures reliable and accurate performance in any embedded system application. A fully-featured software library with example programs and a graphical user interface completes the solution to make the DMM-16R-AT a solid choice for PC/104 embedded systems requiring analog I/O.

DMM-16R-AT is fully compatible with the original DMM-16-AT analog I/O module and can serve as a drop-in replacement offering reduced cost and enhanced digital I/O features. The mechanical design, connector type and pinout, and software interface are all identical the original board, eliminating any mechanical or software engineering efforts.

Technical specifications

Analog Inputs

Number of inputs 8 differential or 16 single-ended (user selectable)
A/D resolution 16 bits (1/65,536 of full scale)
Bipolar ranges ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V
Unipolar ranges 0-10V, 0-5V, 0-2.5V, 0-1.25V
Input bias current 3nA max
Overvoltage protection ±35V on any analog input without damage
Input Impedance 10^13 ohms
Nonlinearity ±3LSB, no missing codes
Conversion rate 100,000 samples/sec. max with interrupts
Conversion trigger Software trigger, internal pacer clock, or external TTL signal
Input FIFO 512 samples, 256-sample interupt threshold
A/D interrupt End of A/D conversion
End of A/D scan
FIFO half-full
Calibration A/D and D/A circuits calibrated under software control using on-board precision references and EEPROM storage

Analog Outputs

Number of outputs 4
D/A resolution 12 bits (1/4096 of full scale)
Output ranges Fixed: ±5, 0-5V
Programmable: Anywhere between 0V and 10V in 1mV increments
Reset: All channels reset to mid-scale (0V for bipolar ranges)
Output current ±5mA max per channel
Settling time 6µS max to 0.01%
Relative accuracy ±1 LSB
Nonlinearity ±1 LSB, monotonic

Digital I/O

Number of lines 16, organized as 2 8-bit ports
Logic Levels 3.3V / 5V jumper selectable
Termination 10K ohm pull-up / pull-down resistors, jumper selectable
Input voltage Vlogic = 5V
Logic 0 1.65V max
Logic 1 3.35V min
Output voltage Vlogic = 5V
Logic 0 0.44V max, Iout = 24mA
Logic 1 3.76V min, Iout = -24mA
Input voltage Vlogic = 3.3V
Logic 0 0.80V max
Logic 1 2.00V min
Output voltage Vlogic = 3.3V
Logic 0 0.44V max, Iout = 24mA
Logic 1 2.25V min, Iout = -24mA

Counter/Timers

A/D Timer clock 32-bit down counter
General purpose 16-bit down counter
Clock source 10MHz on-board clock or external signal

General

Bus Interface ISA (5V) bus
Power supply +5V ±5% @ 390mA typical
Weight 64g / 2.25oz

Environmental and physical specifications

Operating Temperature 40°C to +85°C tested and guaranteed
RoHS Compliant
Model Description
DMM-16R-AT Diamond-MM Autocalibrating 16-ch 16-bit A/D +4-ch 12-bit D/A Extended Temp.
C-50-18 50-conductor .1" pitch 18" ribbon cable Data Acquisition

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