PCI模拟量输出板卡 Analog Outputs on PCI
PCI-DA12-16 产品技术规格

PC Interface

● PCI Bus

Analog Outputs

● Resolution: 12 bits (0 to 4095 decimal)

● Channels:

- PCI-DA12-2: Two independent or simultaneous update

- PCI-DA12-4: Four independent or simultaneous update

- PCI-DA12-6: Six independent or simultaneous update

- PCI-DA12-8: Eight independent or simultaneous update

- PCI-DA12-16: Sixteen independent or simultaneous update

● Voltage Output Ranges:0-2.5 VDC, 0-5 VDC, 0-10 VDC, + 2.5 VDC, + 5.0 VDC, + 10.0 VDC

● Current Range: 4 to 20 mA (with external excitation voltage of 8-36VDC)

● Short-circuit Current: 25 mA maximum

● Output Drive Capability: 5 mA maximum

● Output Resistance: Less than 0.1 ohm

Digital to Analog Convertor

● AD7237 monolithic chip, double buffered

● Relative Accuracy: ± 4 LSB max, ± ½ LSB typical

● Linearity: + ½ LSB integral non-linearity over rated temperature range

● Monotonicity: 12 bits over operating temperature range

● Settle time: 8 usec to 1 LSB for full-scale step input

● Data Format: 12-bit binary, right justified and offset binary for bipolar outputs

● Gain Stability: + 15 ppm/°C typ.

● Data Format: Right-justified, two bytes (8LSB’s and 4MSB’s)

Counter/Timers (PCI-DA12-8/16 only)

● Type: 82C54-5 programmable interval counters.

● Output Drive: 2.2 ma at 0.45 VDC (5 LSTTL loads).

● Input Gate: TTL/DTL/CMOS compatible.

● Clock: On-board, 1 MHz crystal-controlled clock.

● Active Count Edge: Negative edge.

● Min Clock Pulse Width: 30nS high/50nS low.

● Timer Range: 48 bits

Environmental

● Operating Temperature: 0 to +60o C

● Storage Temperature: -20 to +85o C

● Humidity: 0 to 90% RH, non-condensing.

● Size:

- PCI-DA12-8/16: 12.2″ (310 mm) long

- PCI-DA12-2/4/6: 6.0″ (152 mm) long

Digital I/O

● Inputs:

- Logic High: 2.0 to 5.0 VDC.

- Logic Low: -0.5 to +0.8 VDC.

- Input Load (High): +20 µA.

- Input Load (Low): -200 µA.

● Outputs

- Logic High: 2.0 VDC min., source 32 mA.

- Logic Low: 0.55 VDC max., sink 64 mA.

DC Power Output

● +5 VDC at 500 mA is available on the 37-pin connector.

Regulatory Compliance

● This product is designed to be in full compliance with CE requirements.

 
 

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