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

• 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)

• Type: 82C54-5 programmable interval counters.
• Output Drive: 2.2 ma at 0.45 VDC (5 LSTTL loads).
• Input Gate: TTL/CMOS compatible
• Clock: On-board, 1 MHz crystal-controlled clock.
• Active Count Edge: Negative Edge.
• Minimum Clock Pulse Width: 30 nS high, 50 nS low.
• Timer Range: 48 bits

• Operating Temperature: 0 to +60^o C
• Storage Temperature: -20 to +85^o C
• Humidity: 5% to 95% without condensation
• Size:
• PCI-DA12-8/16: 12.2" (310 mm) long
• PCI-DA12-2/4/6: 6.0" (147 mm) long

• 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.

• Logic High: 2.0 VDC min., source 32 mA.
• Logic Low: 0.55 VDC max., sink 64 mA.

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

• PCI-DA12-2
• PCI-DA12-4
• PCI-DA12-6
• PCI-DA12-8
• PCI-DA12-16