AD8555 Datasheet, PDF (12/28 Pages) Analog Devices – Zero-Drift, Digitally Programmable Sensor Signal Amplifier

AD8555
V_S = ±2.5V
GAIN = 70
35
30
25
20
15
10
5
0
250
500
FREQUENCY (kHz)
Figure 22. Input Voltage Noise Density vs. Frequency (0 Hz to 500 kHz)
V_S = ±2.5V
GAIN = 1000
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
TIME (1s/DIV)
Figure 23. Low Frequency Input Voltage Noise (0.1 Hz to 10 Hz)
Figure 24. Low Frequency Input Voltage Noise (0.1 Hz to 10 Hz)
GAIN = 1280
V_S = ±2.5V
C_L = 40PF
60
40
GAIN = 70
20
0
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 25. Closed-Loop Gain vs. Frequency Measured at Filter Pin
GAIN = 1280
V_S = ±2.5V
60
40
GAIN = 70
20
0
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 26. Closed-Loop Gain vs. Frequency Measured at Output Pin
V_S = ±2.5V
8
4
0
–4
–8
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 27. Output Buffer Gain vs. Frequency
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