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dSPACE CP1104 - Page 159

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Data Sheets
DS1104 Hardware Installation and Configuration March 2004
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ADC
4 x 12-bit ADC
• 4 channels each equipped with one 12-bit sample & hold
ADC
Note: 5 ADC channels (1 x 16-bit + 4 x 12-bit) can be
sampled simultaneous
• 12-bit resolution
• ±10 V input voltage range
• 800 ns conversion time
• ±5 mV offset error
• ±0.5 % gain error
• 4 ppm/K offset drift
• 25 ppm/K gain drift
• >65 dB signal-to-noise ratio (SNR)
DACs
8 x 16-bit DAC
• 16-bit resolution
• ±10 V output voltage range
• ±5 mA maximum output current
•Max. 10µs settling time (full scale, accuracy 1/2 LSB)
• ±1 mV offset error
• ±0.1 % gain error
• 13 ppm/K offset drift
• 25 ppm/K gain drift
• >80 dB signal-to-noise ratio (SNR)
Digital I/O • 20-bit parallel I/O
• Single bit selectable for input or output
• ±5 mA maximum output current
• TTL output/input levels
Digital Incremental Encoder
Interface
(2 x 24 bit)
• 2 channels
• Selectable single-ended (TTL) or differential (RS422) input
• Fourfold line subdivision
• Max. 1.65 MHz input frequency, i.e. fourfold pulse counts up
to 6.6 MHz
• 24-bit loadable position counter
• Reset on index
• 5 V/0.5 A sensor supply voltage
Serial interface • 1 serial UART (universal asynchronous receiver and
transmitter)
• Selectable transceiver mode: RS232/RS422/RS485
• Max. baudrate RS232: 115.2 kBaud
• Max. baudrate RS422/RS485: 1 MBaud
Parameter Characteristics

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