Keithley DAS20
D/A Converter Card
Description
This is a Converter Card that has 16 single ended or 8 differential inputs.
It also has 7 software selectable input ranges including both unipolar and bipolar configurations.
The gains range from 0.5 to 100.
They performs A/D conversions at just over 100K Samples/s.
It also has an onboard 2KByte channel/gain queuing RAM.
It has two 12 bit analog output channels that are switch selectable for 0 to 10V, ±5V, or
±10V output ranges.
The maximum update rate is 130K Samples/s for one DAC and 65K Samples/s
for both DACs.
Key Points
100K Samples/s sampling rate
16 single ended or 8 differential input channels
12 bit resolution
Expandable to 128 input channels using EXP20 accessories
2 KByte channel/gain RAM
2 analog output channels with 130K Sample/s max output rate
16 digital I/O channels
2 counter/timer channels
Specifications
Number of channels: 2 independent
Connector type: 12 bit non multiplying double buffered
Linearity: ±1⁄4
Output ranges: 0 to +10V, ±5V, ±10V
Operating temperature: 0 to 50°C
Storage temperature: –20 to +70°C
