Logicbus/Salida Analógica-Resolución de 12 bits/UEI-DDA-16

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UEI-DDA-16

UEI-DDA-16
16-channel, 12-bit ISA analog output board (replaces Keithley's DDA-16)
 
16-channel, 12-bit resolution ISA analog output board (drop-in replacement for Keithley’s DDA-16).
 
Characteristics:
  • For ISA bus
  • 16 analog output channels
  • 12-bit resolution
  • Channels can be configured in 4-channel groups
  • Per-group jumper-selectable output ranges (voltage or current)
  • Voltage output ranges: 0-10V, 0-5V, ±2.5V, ±5V, ±10V
  • Current output range 4mA - 20 mA
  • Internal pacer clock; external pacer clock support
  • Loop-powered option is not supported
 
Technical Specifications
Parameter
Number of channels 16
Channel group 4 channels (max)
Resolution 12 bit
Voltage output ranges 0-10V, 0-5V, ±2.5V, ±5V, ±10V
Current output range 4~20mA (loop-powered option is not supported, 12V DC internal power used)
Default calibrated range 0-10V
Current load limits 0-400Ω
INL ±1 LSB
DNL ±1 LSB
Offset drift 15 ppm max/°C
Gain drift 30 ppm max/°C
Output resistance 0.1Ω typ
Output current ±15mA typ, ±45mA max
Calibration accuracy @ 0-10V: 1mV - offset; 0.025% - gain
Protection Short to ground, 4000V ESD
Internal pacer clock Rate 1µs to 4.267 min (software-selectable)
Prescaler value 1µs, 10µs, 100µs, 1ms, 10ms, 100ms, 1s
Counter value 0 to 255
External pacer clock Polarity: software-selectable
Period: 500ns, minimum
Output clock Prescaler value: 1µs, 10µs, 100µs, 1ms, 10ms, 100ms, 1s
Counter value: 0 to 255
Interrupt levels 3, 5, 7, 10, 11, 15 (software-selectable)
Trigger Signal digital TTL
Polarity software-selectable
Period 500ns, minimum
Gate Signal digital TTL
Polarity software-selectable
Power requirements 5V - 320mA typ; 480mA max
±12V - 132mA typ; 185mA max
Operating temperature 0°C to 50°C
Operating humidity 0 to 90%, non-condensing