AD8555 Analog Devices, AD8555 Datasheet - Page 12

• Manufacturer Part Number: AD8555
• Description: Zero-Drift, Single-Supply, Sensor Signal Amplifier with Digitally Programmable Gain and Offset
• Manufacturer: Analog Devices

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