Datasheet

AD538
Rev. E | Page 8 of 16
100
150
10
1
0.1
100 1k 10k 100k 1M
INPUT FREQUENCY (Hz)
V
O
(mV p-p)
00959-009
V
X
= 10V
V
Y
= 5V +5V SIN ωt VOLTS
V
Z
= 0V
Figure 9. V
Y
Feedthrough vs. Frequency
5
4
3
2
1
0
0.01 0.1 1 10
DC OUTPUT VOLTAGE (V)
VOLTAGE NOISE (e
n
– µV/ Hz)
00959-010
V
X
= 0.01V
V
X
= 10V
FOR THE FREQUENCY RANGE OF 10Hz
TO 100kHz THE TOTAL rms OUTPUT
NOISE, e
o
, FOR A GIVEN BANDWIDTH
Bw, IS CALCULATED e
o
= e
n
Bw.
Figure 10. 1 kHz Output Noise Spectral Density vs. DC Output Voltage