AD8551/AD8552/AD8554
140
120
100
80
3.0
2.5
2.0
1.5
1.0
0.5
0
140
V
= ؎1.35V
V
= ؎2.5V
SY
SY
120
100
80
V
R
A
= ؎1.35V
= 2k⍀
= +1
SY
L
V
THD+N < 1%
T
= +25؇C
A
+PSRR
60
40
20
0
60
+PSRR
؊PSRR
؊PSRR
40
20
0
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
FREQUENCY – Hz
FREQUENCY – Hz
Figure 29. PSRR vs. Frequency
at ±2.5 V
Figure 30. Maximum Output Swing
vs. Frequency at +2.7 V
Figure 28. PSRR vs. Frequency
at ±1.35 V
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
V
A
= ؎2.5V
= 10,000
V
A
= ؎1.35V
= 10,000
V
R
A
= ؎2.5V
= 2k⍀
= +1
SY
SY
SY
V
V
L
V
THD+N < 1%
= +25؇C
T
A
0V
2mV
1s
2mV
1s
0.5
0
100
1k
10k
100k
1M
FREQUENCY – Hz
Figure 32. 0.1 Hz to 10 Hz Noise
at +2.7 V
Figure 33. 0.1 Hz to 10 Hz Noise at +5 V
Figure 31. Maximum Output Swing
vs. Frequency at +5 V
V
R
= +5V
= 0⍀
SY
V
R
= +2.7V
= 0⍀
SY
V
R
= +2.7V
= 0⍀
91
78
65
52
39
26
13
112
96
80
64
48
32
16
SY
182
156
130
104
78
S
S
S
52
26
0
0.5
1.0
1.5
2.0
2.5
0
5
10
15
20
25
0
0.5
1.0
1.5
2.0
2.5
FREQUENCY – kHz
FREQUENCY – kHz
FREQUENCY – kHz
Figure 35. Voltage Noise Density at
+2.7 V from 0 Hz to 25 kHz
Figure 36. Voltage Noise Density at
+5 V from 0 Hz to 2.5 kHz
Figure 34. Voltage Noise Density at
+2.7 V from 0 Hz to 2.5 kHz
–8–
REV. 0
ADI [ ADI ]
