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Keithley ADC-16 User Manual page 9

Analog input board

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ADC-16 USER GUIDE
Absolute Accuracy
Gain = 1: M.O1% of range typical
Gain
= 10:
f0.05% of range typical
Gain
=
100: M.05% of range typical
Relative Accuracy
Gain = l , l O , and 100
maximum.
+_0.03%
maximum.
kO.lO% maximum.
k0.15% maximum.
Noise (Typical)
Gain = 1: < k1 bit
rms.
Gain = 10: c +_1 bit
rms.
Gain = 100: < +3 bits rms.
Input Impedance: Greater
than 100
MegOhms.
Input Bias Current:
50
nA max.
Common Mode Rejection: Gain = 1
-
100 dB typ, 80 dB min.
Gain = 10
-
110 dB typ, 86
dB
min.
Gain
= 100
-
120
dB
typ, 92 dE3 min.
Common Mode Range:
+_6
V.
Max Input Volts w/o Power On: k35 VDC.
Damage:
Power Off k20 VDC.
DIGITAL
I/O
Digital Inputs
Number of Inputs: 2, TTL/CMOS compatible.
Logic Type: High input returns
a
1.
Logic Levels: Vil =
.8
V, Vih
=
2.0 V.
Iil
=
-.2
mA, Iih
=
20 uA.
Digital Outputs
Number of Outputs: 5
TTL
compatible.
Logic Type: Vol = .5 V rnax at 8.5 mA.
Voh
=
2.7 V min at -0.4 mA.
Relay Outputs
Number of Channels: 2 Form C.
Max Current: 2.0 A at 28 Vrms (resistive).
POWER REQUIREMENTS
+_0.005% of range typical kO.012%
+ 5
V:
800
mA typ, 1 A max.
+12 V: 25 mA max.
-12 V: 15 mA max.
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