Datasheet

OPA2677
13
SBOS126I
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= +5V (Cont.)
At T
A
= +25°C, Differential Gain = +9, R
F
= 316Ω, and R
L
= 70Ω, unless otherwise noted.
R
L
R
G
C
G
V
O
V
I
G
D
= 1 +
2 • R
F
R
G
R
F
300Ω
R
F
300Ω
1/2
OPA2677
1/2
OPA2677
=
V
O
V
I
DIFFERENTIAL SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
10 100 200
3
0
–3
–6
–9
–12
Normalized Gain (dB)
R
L
= 70Ω
G
D
= +2
R
F
= 511Ω
G
D
= +5
R
F
= 422Ω
G
D
= +9
R
F
= 316Ω
DIFFERENTIAL LARGE-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
10 100
20
19
18
17
16
15
14
Gain (dB)
R
L
= 70Ω
G
D
= +9
0.2V
PP
1V
PP
2V
PP
5V
PP
HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1 101 100
–60
–65
–70
–75
–80
–85
Harmonic Distortion (dBc)
3rd-Harmonic
2nd-Harmonic
G
D
= +9
R
L
= 70Ω
V
O
= 2V
PP
HARMONIC DISTORTION vs LOAD RESISTANCE
Load Resistance (Ω)
10 1k100
–65
–70
–75
–80
–85
–90
–95
Harmonic Distortion (dBc)
2nd-Harmonic
3rd-Harmonic
G
D
= +9
f = 5MHz
V
O
= 2V
PP
HARMONIC DISTORTION vs OUTPUT VOLTAGE
Differential Output Voltage (V
PP
)
0.1 101
–65
–70
–75
–80
–85
Harmonic Distortion (dB)
f = 5MHz
G = +9
R
L
= 70Ω
3rd-Harmonic
2nd-Harmonic
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT