AD588(RevD) Просмотр технического описания (PDF) - Analog Devices
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AD588 Datasheet PDF : 16 Pages
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AD588
110
VS = ؎15V WITH
1V p-p SINE WAVE
100
+SUPPLY
80
60
–SUPPLY
40
20
10
10
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 11. Power Supply Rejection vs. Frequency (A3, A4)
Figure 12a. Unity-Gain Follower Pulse Response
(Large Signal)
110
VS = ؎15V
VCM = 1V p-p +25؇C
100
80
60
40
20
0
10
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 13. Common-Mode Rejection vs.
Frequency (A3, A4)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1k
10k
FREQUENCY – Hz
Figure 14. Input Noise Voltage Spectral Density
Figure 12b. Unity-Gain Follower Pulse Response
(Small Signal)
DYNAMIC PERFORMANCE
The output buffer amplifiers (A3 and A4) are designed to
provide the AD588 with static and dynamic load regulation
superior to less complete references.
Many A/D and D/A converters present transient current loads
to the reference, and poor reference response can degrade the
converter’s performance.
Figures 15a and 15b display the characteristics of the AD588
output amplifier driving a 0 mA to 10 mA load.
A3 OR A4 1k⍀
VOUT
IL
10V
VL
10V
0V
Figure 15a. Transient Load Test Circuit
–8–
REV. D
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