User`s guide

Introduction
•
3
1.2 Specifications
♦
Analog Input (A/D)
•
Converter:
ADS7805 or equivalent, successive approximation type
•
Resolution:
16-bit
•
Number of channels:
16 single-ended or 8 differential
•
Input Range:
(programmable)
Bipolar :
±
10V,
±
5V,
±
2.5V,
±
1.25V
•
Conversion Time:
8
µ
sec
•
Sampling Rate:
100KHz maximum for single channe
20KHz maximum for multi-channels multiplexing
•
Overvoltage protection:
Continuous
±
35V maximum
•
Differential Linearity Error:
±
2 LSB
•
Accuracy: 0.003%,
±
1 LSB
•
Input Impedance:
10 M
Ω
/ 5pF
•
AD conversion trigger soruces:
Software, Pacer, and External
•
Data Transfer:
Pooling, Interrupt, DMA
•
Analog Output (D/A)
•
Converter:
DAC7541 or equivalent, monolithic multiplying
•
Resolution:
12-bit
•
Number of channels:
2 double-buffered analog outputs
•
Output Range:
Internal reference: (unipolar) 0~5V or 0~10V
External reference: (unipolar) max. +10V or -10V
•
Settling Time:
30
µ
sec
•
Linearity:
±
1/2 bit LSB
•
Output driving capability:
±
5mA max.
♦
Digital I/O (DIO)
•
Channel:
16 TTL compatible inputs and outputs
•
Input Voltage:
Low: Max. 0.8V