TYPICAL PERFORMANCE CURVES
At TJ = +25°C, VS = ±30V and RL = 3kΩ, unless otherwise noted.
All temperatures are junction temperatures unless otherwise noted. Refer to the Applications Information section to calculate junction temperatures from ambient
temperatures for a specific configuration.
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
OPA551
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
OPA552
140
120
100
80
0
140
120
100
80
0
OPA552
OPA551
–20
–40
–60
–80
–100
–120
–140
–160
–180
–20
–40
–60
–80
–100
–120
–140
–160
–180
Gain
Gain
Phase
60
60
Phase
40
40
20
20
0
0
–20
–40
–20
–40
1
10
100
1k
10k
100k
1M
10M
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
POWER SUPPLY REJECTION RATIO vs FREQUENCY
COMMON-MODE REJECTION RATIO vs FREQUENCY
120
100
80
60
40
20
0
120
100
80
60
40
20
0
–PSRR
+PSRR
1
10
100
1k
10k
100k
1M
10M
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
10k
1k
0.1
0.01
VO = 15Vrms
L = 3kΩ, 300Ω
G = 3 (OPA551)
G = 5 (OPA552)
R
in
100
10
1
0.001
0.0001
en
10
100
1k
10k
100k
1M
1
100
1k
10k
100k
Frequency (Hz)
Frequency (Hz)
OPA551, OPA552
5
SBOS100A
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