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Voltage Measurement Specifications
Table 26
lists the voltage measurement specifications for the analog input subsystem on the
DT9828 module.
Feature
Number of voltage channels
A/D converter resolution
Full-scale input range
Aggregate sample rate
Sampling mode
DC differential input impedance
Input bias current
Input common mode voltage
Differential input voltage
Common mode rejection @ 60 Hz and 50 Hz
Noise
Input signal bandwidth, –3 dB
b
Offset error
Gain error
Linearity error
Offset error tempco
Gain error tempco
a. Conditions for specification:
Module is calibrated at 23 C.
Values are typical for the module operated in a stable 23°C ±5°C environment.
Valid for 1 year from calibration.
b. Voltage source impedance <= 50 ohms
Table 26: Voltage Measurement Specifications
.
Specifications
Up to 8 differential voltage inputs
24-bits
±156 mV
600 Samples/s maximum
Multiplexed
Ω
10 M
250 nA
±500 V
±10 V maximum (protection)
120 dB
μ
3
V pk-pk at maximum throughput (see
page 97
for more information)
Total throughput rate x 2, in Hz (see
Bandwidth" on page 100
for more information)
μ
±20
V
±0.03% of reading
μ
±2
V
±20 nV/°C
±0.0015% of reading/°C
Specifications
a
Table 25 on
"Input Signal
99
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