ISA总线模拟量输入板卡 Analog Input Legacy Products
AD12-8 产品技术规格
PC Interface

● ISA Bus

Analog Inputs

● No. of Channels: Eight single-ended inputs w/common ground.

● Voltage Range: Jumper selectable ±10 VDC, ±5 VDC, or 0-10 VDC.

● Overvoltage Protection: ±30 VDC.

● Input Impedance: 10 Megohm or 125 nA at 25°C.

● Accuracy: ±0.02% of reading ±1 LSB.

● Linearity: ±1 LSB.

● Resolution: 12 bit binary.

● Temperature Coefficient: ±10 µV per °C zero stability. ±25 µV per °C gain stability.

● Common Mode Rejection: (When used with AIM-16) 90 db when gain = 1; 125 db when gain = 100

● A/D Trigger Source: Program command, programmable timer, or external trigger.

● Throughput: 40,000 conversions/second max.

Digital Inputs/Outputs

● Inputs

- Logic Low: 0 to 0.4V at 8 mA sink.

- Logic High: 2.4 to 5.0V at 0.4 mA source.

● Outputs (DIO 0 thru DIO 7)

- Logic Low: 0 to 0.4V at 24 mA sink.

- Logic High: 2.8 to 5.0V at 2.6 mA source.

● Outputs (GN0 thru GN2 and OP0 thru OP4)

- Logic Low: 0 to 0.4V at 8 mA sink.

- Logic High: 2.4 to 5.0V at 0.4 mA source.

Reference Voltage Output

● 10.0 VDC ±0.10 VDC at up to 220 mA.

Counter Timer

● Type: 8254 programmable interval timer, three 16-bit counters.

● Drive Capability: 5 LSTTL loads (2.2 mA at 0.45 VDC).

● Input Load (Gate and Clock): ±10 µA, TTL/CMOS compatible.

● Input Clock Frequency:10 MHz max.

● Active Count Edge:Negative edge.

● Clock Pulse Width: 50 nSec high / 50 nSec low, min.

Interrupts

● Level: Jumper selectable, levels 2-7.

● Enable/Disable: Via software.

● Source: End of conversion or user application.

Environmental

● Operating Temperature Range: 0° to 60°C.

● Storage Temperature Range: -40° to +100°C.

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

● Size: 9.0 inches long (178mm)

Power Required

● +5 VDC at 390 mA.

● +12 VDC at l0 mA.

● -12 VDC at l0 mA.

Regulatory Compliance

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

 
 

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