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A-2
Specifications
Temperature coefficient of
accuracy (includes ADC)
Offset
Gain
• Bipolar: ±20µV/˚C ±(12µV/˚C ÷ gain) maximum
• Unipolar: ±20µV/˚C ±(14µV/˚C ÷ gain) maximum
• ±20 ppm/˚C for gain < 50
• ±30 ppm/˚C for gain = 50
• ±35 ppm/˚C for gain = 250
Linearity
1
Integral
Differential
±
½
LSB typical, ±1 LSB maximum
±1 LSB
Throughput
Refer to “Maximum Achievable Throughput Rates” on page 2-5
Dynamic parameters
Acquisition time
Aperture delay
Aperture uncertainty
Conversion time
0.3µs
13.0ns
150ps rms
3.0µs max. (includes acquisition time)
Input bias current
±40nA max. @ 25˚C
±60nA max. over operating range
Common mode rejection
ratio
74 dB for gain = 1
80 dB for gain = 5
100 dB for gain = 50
100 dB for gain = 250
74 dB for gain = 1
80 dB for gain = 2
80 dB for gain = 4
86 dB for gain = 8
Input overvoltage
±15V continuous powered
±15V continuous unpowered
Table A-1. Analog Input Specifications (cont.)
Feature
DAS-1801HC DAS-1802HC
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