TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = 5V, G = +2, RF = 604Ω, and RL = 150Ω connected to VS/2, unless otherwise noted.
FREQUENCY RESPONSE FOR VARIOUS RL
RL = 10kΩ
FREQUENCY RESPONSE FOR VARIOUS CL
3
0
9
6
CL = 100pF
CL = 47pF
RS = 0Ω
O = 0.1Vp-p
V
3
CL = 0pF
–3
VO = 0.1Vp-p
0
RL = 50Ω
RL = 150Ω
–6
–3
–6
–9
–12
–15
CL = 5.6pF
–9
RL = 1kΩ
–12
–15
100k
1M
10M
100M
1G
100k
1M
10M
100M
1G
Frequency (Hz)
Frequency (Hz)
RECOMMENDED RS vs CAPACITIVE LOAD
FREQUENCY RESPONSE vs CAPACITIVE LOAD
120
100
80
60
40
20
0
3
G = +2
O = 0.1Vp-p
V
0
–3
CL = 5.6pF
S = 80Ω
CL = 100pF
RS = 24Ω
R
VIN
RS
–6
VO
1kΩ
OPA355
VIN
RS
CL = 47pF
S = 36Ω
VO
OPA355
R
CL
–9
CL
1kΩ
604Ω
604Ω
(1kΩ is
Optional)
(1kΩ is
Optional)
–12
–15
604Ω
604Ω
1
10
100
1M
10M
100M
1G
Capacitive Load (pF)
Frequency (Hz)
COMMON-MODE REJECTION RATIO AND
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
OPEN-LOOP GAIN AND PHASE
180
160
140
120
100
80
100
90
80
70
60
50
40
30
20
10
0
–PSRR
+PSRR
Phase
CMRR
60
Gain
40
20
RL = 1kΩ
RL = 150kΩ
0
–20
1k
10k
100k
1M
10M
100M
1G
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Frequency (Hz)
OPA355, 2355, 3355
7
SBOS195D
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