SLOS433I − FEBRUARY 2004 − REVISED MARCH 2005
LPV321 SINGLE, LPV358 DUAL, LPV324 QUAD
GENERAL PURPOSE, LOW VOLTAGE, LOW POWER, RAIL TO RAIL OUTPUT
OPERATIONAL AMPLIFIERS
INPUT CURRENT NOISE
vs
FREQUENCY
0.40
140
130
Crosstalk Rejection − dB
VCC+ = 2.7 V
120
110
100
90
80
70
60
50
10
100
Frequency − Hz
1k
10k
40
100
VCC+ = 5 V
RL = 100 k
AV = 1
VI = 3 VPP
1k
10k
Frequency − Hz
100k
CROSSTALK REJECTION
vs
FREQUENCY
Input Current Noise − pA//Hz
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
VCC+ = 5 V
Figure 9
Figure 10
PSRR
vs
FREQUENCY
85
75
65
55
PSRR − dB
Gain − dB
45
35
25
15
5
−5
−15
100
1k
10k
Frequency − Hz
100k
1M
−10
1k
10k
VCC+ = −2.7 V,
−PSRR
0
VCC+ = 2.7 V,
+PSRR
VCC+ = −5 V,
−PSRR
20
Gain
10
VCC+ = 5 V,
+PSRR
RL = 10 kΩ
30
Phase
40
FREQUENCY
vs
R
L
180
VCC+ = 2.7 V
RL = 10 kΩ
RL = 100 kΩ
160
140
120
100
80
60
40
20
0
100k
Frequency − Hz
1M
−20
10M
Phase Margin − Deg
Figure 11
Figure 12
10
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