DI-148U, DI-148U-SP, and DI–158 Series Hardware Manual
Specifications
5
2. Specifications
DI-148 Analog Inputs
Number of Channels:
DI-148U: 8
DI-148U-SP: 2 String Pot and 2 General Purpose
Channel Configuration:
Single-Ended
Voltage Measurement Range:
DI-148U and DI-148U-SP General Purpose Channels: ±10V Full Scale
DI-148U-SP String Pot Channels: 2.4VFS
Accuracy:
±0.25% of FSR
Resolution:
DI-148U and DI-148U-SP General Purpose Channels: ±19.5mV
DI-148U-SP String Pot Channels: ±7.4mV
Input Impedance:
200K
Ω
Input bias current:
50µA for a 10V input, single channel
Maximum normal mode voltage:
20V peak to peak
Channel-to-Channel crosstalk rejection:
-60db
Gain temperature coefficient:
100ppm/°C
Offset temperature coefficient:
.5µV/°C
Output Voltage (DI-148U-SP):
String Pot Channels: 2.43 typical
DI-158 Analog Inputs
Number of Channels:
4
Channel Configuration:
Fixed Differential
Input Impedance:
500K
Ω
either input to ground
1M
Ω
differential
Input bias current:
10µA for a 10V input, single channel
Maximum normal mode voltage:
100V peak
Maximum common mode voltage:
60V peak
CMR:
60db @ Gain=1; 1K
Ω
unbalance
Channel-to-Channel crosstalk rejection:
100db
Gain temperature coefficient:
100ppm/°C
Offset temperature coefficient:
100µV/°C
Accuracy:
±0.25% of FSR
Voltage Measurement Range (Full Scale) and Resolution:
Gain
Range
Resolution
DI-158U
1
±10V
4.88mV
2
±5V
2.44mV
4
±2.5V
1.22mV
8
±1.25V
0.61mV
