Boards Home > ISA Bus Data Acquisition Boards-Multi-Function Boards A-812PG
16-channel 12-bit 45KS/s multi-function board
» Features
■ 12-bit A/D converter
■ 62.5 KS/s sampling rates
■ 16 single-ended analog inputs
■ A/D Trigger modes : Software Trigger, Pacer Trigger,
external trigger
■ A/D data transfer modes : polling, interrupt DMA
■ Software programmable gain : 1,2,4,8,16
■ Bipolar analog input
■ Two 12-bit D/A voltage output
■ Interrupt handling
■ 16 digital inputs & 16 digital outputs
■ One general purpose programmable timer/ counter
» Functional Description
The A-812PG is a 12-bit multifunction analog and digital I/O board for the PC/AT compatible computer.
The A-812PG offers 16-channel single-ended analog input and plus 2-channel analog output with 12-bit resolution.
In addition, the A-812PG has 16-channel digital input, 16-channel digital output, and one timer/counter channel.
The max. sampling rate of A-812PG is 62.5K samples/s.
It is completely compatible to PCL-812PG.
» Applications
● Laboratory automation
● Sensor interface
» Specifications Analog input
● Number of channels : 16 single-ended
● Resolution : 12-bit
● Conversion rate : 62.5KS/s max
● Input impedance : 10 MΩ II 6pF
● Over voltage protection : ±35V
● Accuracy : 0.01% of reading ±1 bit
● Linearity : ±1 bit
● On chip sample & hold
● Zero drift : ±25ppm/ °C of F.S. max
● Input Range : ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V, ±0.3125V Analog Output
● Number of channels : 2 independent
● Type : 12-bit double buffered (AD-7541)
● Linearity : ±1/2-bit
● Output range : 0~5V, 0~10V, 0~Ext Ref
● External reference : +10V or -10V max
● Output driving : ±5 mA
● Settling time : 0.6μs to 0.01% for full scale step Digital I/O
● 16 TTL-level input
● Input low VIL = 0.8V max; IIL =-0.4 mA max
● Input high VIH = 2.0V min; IIH = 20μA max
● 16 TTL-level output
● Output low VOL = 0.5V max; @IOL =8 mA max
● Output high VOH = 2.7V min; @IOH =0.4 mA max Timer/Counter
● Number of channels : 1
● Resolution : 16-bit
● Compatibility : 5V/TTL
● Internal clock : 2MHz
● External clock : up to 10 MHz
● A/D pacer : cascaded 32-bit counter
● Programmable internal timer : 0.0047Hz~0.5MNz
» General Specifications
● I/O connector : five 20-pin ribbon male
● Power requirements: +5V @ 500 mA typical
● Operating temperature : 0°C ~ 60°C
● Operating humidity : 0% ~ 90 % non-condensing
● Storage temperature : -20°C ~ 70°C
● Dimensions : 163 mm x 124 mm
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PIN View
