Analog Input Specifications - Data Translation DT9812 Series User Manual

Appendix A

Analog Input Specifications

Table 23
modules.
Feature
Number of analog input channels
Number of gains
Resolution
Data encoding
System accuracy, to % of FSR
(Averaged over 50 readings)
Gain = 1:
Gain = 2:
Gain = 4:
Gain = 8:
Gain = 16:
Input Range
Gain = 1:
Gain = 2:
Gain = 4:
Gain = 8:
Gain = 16:
Nonlinearity
Differential nonlinearity
Inherent quantizing error
Drift
Zero:
Gain:
Differential linearity:
a
Input impedance
Off channel:
On channel:
Input bias current
Maximum input voltage (without damage)
Power on:
Power off:
Channel acquisition time (±½ LSB)
102
lists the analog input specifications for the DT9812, DT9813, and DT9814 Series
Table 23: Analog Input Specifications
DT9812-2.5V
Specifications
8 single-ended
5 (1, 2, 4, 8, 16)
12-bit
binary
0.04%
0.06%
0.08%
0.10%
0.15%
0 to 2.44 V,
0 to 1.22 V,
0 to 0.610 V,
0 to 0.305 V
0 to 0.1525 V
0.05%
±1/2 LSB
1 LSB

±50 V
±100 ppm
monotonic

10 M 10 pf

10 M 100 pf
±10 nA
±35 V
±20 V

20 s
DT9812-10V, DT9812-10V-OEM,
DT9813-10V, DT9814-10V
Specifications
DT9812-10V: 8 single-ended
DT9812-10V-OEM: 8 single-ended
DT9813-10V: 16 single-ended
DT9814-10V: 24 single-ended
4 (1, 2, 4, 8)
12-bit
twos complement
0.04%
0.06%
0.08%
0.10%
–
±10 V,
±5 V,
±2.5 V,
±1.25 V
–
0.05%
±1/2 LSB
1 LSB

±100 V
±100 ppm
monotonic

10 M 10 pf

10 M 100 pf
±10 nA
±35 V
±20 V

20 s
DT9812A, DT9813A,
DT9814A
Specifications
DT9812-A: 8 single-ended
DT9813A: 16 single-ended
DT9814A: 24 single-ended
4 (1, 2, 4, 8)
12-bit
twos complement
0.04%
0.06%
0.08%
0.10%
–
±10 V,
±5 V,
±2.5 V,
±1.25 V
–
0.05%
±1/2 LSB
1 LSB

±100 V
±100 ppm
monotonic

10 M 10 pf

10 M 100 pf
±10 nA
±35 V
±20 V

10 s