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High-Density 16-bit D/A PMC Module with Software-Selectable Output Ranges

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A standard single-wide 32-bit PMC module provides 32 or 16 channels of 16-bit analog outputs. The TPMC554 is ideal for applications in industrial, transportation and COTS aerospace/defense. The TPMC554 from Tews Technologies features software selectable output voltage ranges of 0-5V, 0-10V, 0-10.8V, ±5V, ±10V or ±10.8V, which can be individually set per channel. The conversion time is typically 10 µs and the DAC outputs are capable to drive a load of 2 kΩ, with a capacitance up to 4000 pF.

The double-buffered DACs allow simultaneous update of all channels for simulation applications. A sequencer on the TPMC554 supports the periodic updating of enabled channels with a sequence timer range from 10μs to 11.93h. In addition to the double-buffered distributed RAM inside the FPGA, the TPMC554 provides 2M x 16-bit external SRAM to store values that are known in advance. This feature can also be used to periodically output any kind of waveform or bit pattern. The size of the FIFO for each DAC channel is adjustable.

Physical connectivity is achieved through a HD68 SCSI 3 type front I/O connector. Each TPMC554 is factory calibrated. The calibration information is stored in an onboard serial EEPROM unique to each PMC module. The TPMC554 operates in extended temperature range (-40° to +85°C) standard. All Tews Technologies products feature a five-year warranty. Driver software is provided for operating systems including VxWorks, Windows, Linux, LynxOS, Integrity and QNX6. 

Tews Technologies, Halstenbek, Germany. +49 (0) 4104 4058-0. [www.tews.com].