AD624 Datasheet, PDF (5/15 Pages) Analog Devices – Precision Instrumentation Amplifier

–140
G = 500
–120
G = 100
–100
G=1
–80
–60
–40
–20
01 _{10 100 1k 10k 100k 1M 10M}
FREQUENCY – Hz
Figure 10. CMRR vs. Frequency RTI,
Zero to 1k Source Imbalance
30
20
G = 500
G = 1, 100
10
G = 1000
G = 100
-
BANDWIDTH LIMITED
0
1k
10k
100k
1M
FREQUENCY – Hz
Figure 11. Large Signal Frequency
Response
AD624
160
140
G = 500
120
–V_S = –15V dc+
1V p-p SINEWAVE
100
80
G = 100
60
40
G=1
20
0
10
100
1k
10k
100k
FREQUENCY – Hz
Figure 12. Positive PSRR vs.
Frequency
160
140
G = 500
120
–V_S = –15V dc+
1V p-p SINEWAVE
100
80
G = 100
60
40
G=1
20
0
10
100
1k
10k
100k
FREQUENCY – Hz
Figure 13. Negative PSRR vs.
Frequency
1000
100
G=1
G = 10
10
G = 100, 1000
G = 1000
1
0.1
1
10
100
1k
10k
FREQUENCY – Hz
100k
Figure 14. RTI Noise Spectral
Density vs. Gain
100k
10k
1000
100
10
0.1
1
10
100 10k
FREQUENCY – Hz
100k
Figure 15. Input Current Noise
Figure 16. Low Frequency Voltage
Noise_, G = 1 (System Gain = 1000)
Figure 17. Low Frequency Voltage
Noise, G = 1000 (System Gain =
100,000)
–12 TO 12
–8 TO 8
–4 TO 4
OUTPUT
STEP –V
4 TO –4
8 TO –8
12 TO –12
1%
0.1%
0.01%
1%
0.1%
0.01%
0
5
10
15
20
SETTLING TIME – ␮s
Figure 18. Settling Time, Gain = 1
REV. C
–5–