Datasheet

OPA847
4
SBOS251E
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V
T
A
= 25°C, G = +20V/V, R
G
= 39.2Ω, and R
L
= 100Ω, unless otherwise noted.
6
3
0
–3
–6
–9
–12
–15
NONINVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
Normalized Gain (dB)
1 10 100 1000
G = +50
See Figure 1
V
O
= 0.2V
PP
R
G
= 39.2Ω
R
L
= 100Ω
R
F
Adjusted
G = +30
G = +12
G = +20
6
3
0
–3
–6
–9
–12
–15
INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
Normalized Gain (dB)
1 10 100 1000
G = –50
See Figure 2
V
O
= 0.2V
PP
R
L
= 100Ω
R
G
= R
S
= 50Ω
R
F
Adjusted
G = –40
G = –30
G = –20
29
26
23
20
17
14
11
8
NONINVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
Gain (dB)
10 100 1000
V
O
= 2V
PP
See Figure 1
R
G
= 39.2Ω
R
L
= 100Ω
G = +20V/V
V
O
= 5V
PP
V
O
= 1V
PP
V
O
= 200mV
PP
35
32
29
26
23
20
17
14
INVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
Gain (dB)
10 100 1000
V
O
= 2V
PP
See Figure 2
R
L
= 100Ω
R
G
= R
S
= 50Ω
G = –40V/V
V
O
= 5V
PP
V
O
= 0.2V
PP
V
O
= 1V
PP
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
1.25
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
NONINVERTING PULSE RESPONSE
Time (5ns/div)
Output Voltage (50mV/div)
Output Voltage (250mV/div)
Small Signal ± 100mV
See Figure 1
G = +20V/V
Left Scale
Large Signal ± 1V
Right Scale
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
1.25
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
INVERTING PULSE RESPONSE
Time (5ns/div)
Output Voltage (50mV/div)
Output Voltage (250mV/div)
Small Signal ± 100mV
See Figure 2
G = –40V/V
R
G
= R
S
= 50Ω
R
L
= 100Ω
Left Scale
Large Signal ± 1V
Right Scale