Datasheet

OPA698
7
SBOS258D
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V
T
A
= +25°C, G = +2, R
F
= 402Ω, and R
L
= 500Ω, V
H
= –V
L
= 2V, unless otherwise noted.
NONINVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
1 10 100 400
Frequency (MHz)
Normalized Gain (dB)
9
6
3
0
–3
–6
See Figure 1
V
O
= 1V
PP
V
O
=
2V
PP
V
O
= 4V
PP
V
O
= 7V
PP
NONINVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
101 100 800
Frequency (MHz)
Normalized Gain (dB)
6
3
0
–3
–6
–9
–12
V
O
= 0.2V
PP
G = +1, R
F
= 25Ω, R
C
= ∞
G = +1, R
F
= 25Ω, R
C
= 175Ω
G = +2, R
C
= ∞
G = +5, R
C
= ∞
OPA698
R
F
R
C
R
G
V
O
V
IN
INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
101 100 500
Frequency (MHz)
Normalized Gain (dB)
3
0
–3
–6
–9
–12
V
O
= 0.2V
PP
R
F
= 402Ω, R
G
Adjusted
See Figure 3
G = –1
G = –5
G = –2
INVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
1 10 100 400
Frequency (MHz)
Normalized Gain (dB)
9
6
3
0
–3
–6
See Figure 3
V
O
= 1V
PP
V
O
= 7V
PP
V
O
= 4V
PP
V
O
= 2V
PP
G = –2V/V, R
F
= 402Ω
V
H
—LIMITER SMALL-SIGNAL
FREQUENCY RESPONSE
Limiter Gain (dB)
Frequency (Hz)
1M 10M 100M
1G
3
0
–3
–6
–9
OPA698
402Ω
0.02V
PP
+ 2V
DC
402Ω
V
O
2V
DC
G = +2
V
O
= 0.02V
PP
V
H
V
L
Open
V
L
—LIMITER SMALL-SIGNAL
FREQUENCY RESPONSE
Limiter Gain (dB)
Frequency (Hz)
1M 10M 100M
1G
3
0
–3
–6
–9
OPA698
402Ω
0.02V
PP
– 2V
DC
402Ω
V
O
V
L
V
H
Open
–2V
DC
G = +2
V
O
= 0.02V
PP