Datasheet
OPA2822
11
SBOS188E
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= +5V
T
A
= +25°C, G
= +2, R
F
= 402Ω, and R
L
= 100Ω, unless otherwise noted.
9
6
3
0
–3
–6
–9
–12
–15
–18
–21
–24
NONINVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
0.5 1 10 100 500
Normalized Gain (dB)
V
O
= 0.1V
PP
G = +1
R
F
= 0Ω
G = +2
See Figure 3
G = +5
G = +10
6
3
0
–3
–6
–9
–12
–15
–18
–21
–24
INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
0.5 1 10 100 500
Normalized Gain (dB)
V
O
= 0.1V
PP
R
F
= 604Ω
See Figure 4
G = –5
G = –2G = –1
G = –10
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
NONINVERTING PULSE RESPONSE
Time (20ns/div)
Small-Signal Output Voltage (100mv/div)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
Large-Signal Output Voltage (500mv/div)
See Figure 3
Large-Signal Right Scale
Small-Signal Left Scale
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
INVERTING PULSE RESPONSE
Time (20ns/div)
Small-Signal Output Voltage (100mv/div)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
Large-Signal Output Voltage (500mv/div)
See Figure 4
Large-Signal Right Scale
Small-Signal Left Scale
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
10 100 1000
Input Impedance Magnitude 20Log (Ω)
1000
100
10
1
For Maximally Flat Response,
See Figure 12
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (MHz)
1 10 500100
Normalized Gain to Capacitive Load (dB)
9
6
3
0
–3
–6
–9
–12
C
L
= 100pF
C
L
= 10pF
C
L
= 22pF
C
L
= 47pF
1/2
OPA2822
R
S
V
I
1kΩ
1kΩ is optional.
C
L
402Ω
+5V
804Ω
804Ω
402Ω
V
O
0.01µF
0.01µF