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dSPACE DS1104 - Page 159

dSPACE DS1104
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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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