Datasheet

OPA355, 2355, 3355
SBOS195D
7
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
S
= 5V, G = +2, R
F
= 604Ω, and R
L
= 150Ω connected to V
S
/2, unless otherwise noted.
FREQUENCY RESPONSE FOR VARIOUS R
L
Frequency (Hz)
Normalized Gain (dB)
10M1M 100M 1G100k
3
0
–3
–6
–9
–12
–15
R
L
= 50Ω
R
L
= 150Ω
R
L
= 1kΩ
R
L
= 10kΩ
C
L
= 0pF
V
O
= 0.1Vp-p
FREQUENCY RESPONSE FOR VARIOUS C
L
Frequency (Hz)
Normalized Gain (dB)
10M1M 100M 1G100k
9
6
3
0
–3
–6
–9
–12
–15
R
S
= 0Ω
V
O
= 0.1Vp-p
C
L
= 100pF
C
L
= 47pF
C
L
= 5.6pF
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
R
S
(Ω)
10 1001
120
100
80
60
40
20
0
OPA355
C
L
R
S
V
IN
V
O
1kΩ
604Ω
604Ω
(1kΩ is
Optional)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (Hz)
Normalized Gain (dB)
10M 100M 1G1M
3
0
–3
–6
–9
–12
–15
C
L
= 100pF
R
S
= 24Ω
C
L
= 47pF
R
S
= 36Ω
C
L
= 5.6pF
R
S
= 80Ω
OPA355
C
L
R
S
V
IN
V
O
1kΩ
604Ω
604Ω
(1kΩ is
Optional)
G = +2
V
O
= 0.1Vp-p
Frequency (Hz)
10M 100M100k 1M 1G10k
100
90
80
70
60
50
40
30
20
10
0
–PSRR
+PSRR
CMRR
COMMON-MODE REJECTION RATIO AND
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
CMRR, PSRR (dB)
OPEN-LOOP GAIN AND PHASE
Frequency (Hz)
Open-Loop Gain (dB)
Open-Loop Phase (degrees)
10M 100M100k 1M 1G1k 10k
180
160
140
120
100
80
60
40
20
0
–20
Gain
Phase
R
L
= 1kΩ
R
L
= 150kΩ