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Appendix A – Specifications, DaqBooks 02-14-02 A-3
Analog Outputs
Channels: 2
Connector: DB37 male, P1
Resolution: 12 bits
Voltage Ranges: 0 to 5 VDC with built-in reference;
0 up to ±10 VDC with external reference
Maximum Output Current: 10 mA
General Purpose Digital I/O
for DaqBook/100, /120, /200, & /260
24 I/O channels, expandable up to 192
Connector: DB37 male, P2
Device: 82C55
Output Voltage Levels
Minimum “1” Voltage: 3.0 @ 2.5 mA sourcing
Maximum “0” Voltage: 0.4 @ 2.5 mA sinking
Output Current
Maximum Source Current: 2.5 mA
Maximum Sink Current: -2.5 mA
Input Voltage Levels
Minimum Required “1” Voltage Level: 2V
Maximum Allowed “0” Voltage Level: 0.8V
Output Float Leakage Current: 10 µA
High-Speed Digital Inputs
for DaqBook/100, /120, /200, & /260
16 input lines
Connector: DB37 male, P3
Maximum Sampling Rate: 100 Kwords/s
Input Low Voltage: 0.8V max
Input High Voltage: 2V min
Input Low Current: 10 nA
Input High Current: -10 µA
Counter/Timer
for DaqBook/100, /120, /200, & /260
5 counter/timer channels
Connector: DB37 male, P3
Frequency/Pulse Counting Mode:
Up or down, binary or BCD
Maximum Pulse Count: 80-bit binary
(5 channels cascaded)
Maximum Input Rate: 7 MHz
Minimum High Pulse Width: 70 ns
Minimum Low Pulse Width: 70 ns
On-board Time Base: 1 MHz
Cable Information Part No.
DB25 male to DB25 female parallel cable, 2 ft. CA-35-2
DB25 male to DB25 female parallel cable, 6 ft. CA-35-6
DBK expansion cable from DaqBook to DBK modules; 2.5 in. CA-37-1T
DBK expansion cable from DaqBook to DBK modules; 4.5 in. CA-37-3T
DBK expansion cable from DaqBook to DBK modules; 5.5 in. CA-37-4T
DBK expansion cable from DaqBook to DBK modules; 11.5 in. CA-37-8T
Ribbon cable with female DB37 connector, provides convenient wiring to DaqBook P1,
P2, and P3 ports without requiring soldering to DB37 connectors, 6 ft.
CA-113
5-pin male DIN to 5-pin male DIN provides convenient connection between DaqBook
power input connectors and battery packs (also used to daisy-chain input power to
expansion modules equipped with 2 power input connectors, e.g., DBK32A, DBK42), 6 in.
CA-115
5-pin DIN to automobile cigarette lighter power cable, 8 ft. CA-116
Note: Specifications are subject to change without notice.