Tektronix ADA400A Instruction Manual page 37

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