Tektronix TEKFAX ADA400A, Instruction Manual

Page: 37 / 80

Specifications
ADA400A Differential Preamplifier
25
Table 7: Typical Characteristics — Signal Acquisition System (Cont.)
Name Description
Zero Offset
(Offset control off)
Gain Setting
Zero Offset Referred to the Input of
the Amplifier
( )
0.1
±
50 mV
1
±
5 mV
10
±
500 V
100
±
50 V
DC Offset Drift with Temperature Gain Setting Offset On Offset Off p
0.1 0.750 mV/
_
C 0.250 mV/
_
C
1 0.300 mV/
_
C 0.200 mV/
_
C
10 10 V/
_
C 5 V/
_
C
100 5 V/
_
C 3 V/
_
C
Input Current Less than 25 pA at an ambient temperature of 22
±
5
_
C
Random Noise RMS Noise Random Noise RMS Noise
Bandwidth Selection Gain of 0.1 Gain of 1 Gain of 10 Gain of 100
1 MHz
≤
5 mV
≤
3 mV
≤
50 V
≤
30 V
100 kHz
≤
4 mV
≤
1 mV
≤
40 V
≤
10 V
3 kHz
≤
4 mV
≤
1 mV
≤
40 V
≤
10 V
100 Hz
≤
4 mV
≤
1 mV
≤
40 V
≤
10 V
Common Mode Rejection Ratio
(See Figures 12 to 15 on pages 26 to 28)
Frequency Gain Setting
CMRR
(DC coupled) CMRR
(AC coupled)
( g p g )
100 Hz 0.1 60 dB 45 dB
10 kHz 52 dB 50 dB
100 kHz 50 dB 50 dB
100 Hz 1 75 dB 50 dB
10 kHz 60 dB 55 dB
100 kHz 52 dB 52 dB
100 Hz 10 100 dB 75 dB
10 kHz 100 dB 95 dB
100 kHz 90 dB 90 dB
100 Hz 100 100 dB 80 dB
10 kHz 100 dB 100 dB
100 kHz 90 dB 90 dB