Datasheet

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SBOS270C − AUGUST 2003 − REVISED AUGUST 2008
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15
TYPICAL CHARACTERISTICS: V
S
= +5V
At T
A
= +25°C, Differential Gain = +9, R
F
= 316Ω, and R
L
= 70Ω, unless otherwise noted.
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT
R
L
R
F
316Ω
R
G
C
G
R
F
316Ω
V
O
V
I
G
D
= 1+
2
×
R
F
R
G
=
V
O
V
I
+5V
DIFFERENTIAL SMALL−SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
0 50 100 150 200 250 300
3
0
−
3
−
6
−
9
−
12
−
15
Normalized Gain (dB)
G
D
=+2
R
F
= 511
Ω
G
D
=+5
R
F
= 422
Ω
G
D
=+9
R
F
=316
Ω
R
L
=70
Ω
DIFFERENTIAL LARGE−SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
0 50 100 150 200 250 300
22
19
16
13
10
7
4
1
Gain (dB)
4V
PP
1V
PP
2V
PP
5V
PP
R
L
=70
Ω
G
D
=+9
HARMONIC DISTORTION vs LOAD RESISTANCE
Load Resistance (
Ω
)
10 1k100
−
60
−
65
−
70
−
75
−
80
−
85
−
90
−
95
−
100
Harmonic Distortion (dBc)
2nd−Harmonic
3rd−Harmonic
G
D
=+9
R
L
=70
Ω
f = 500kHz
V
O
=4V
PP
DIFFERENTIAL DISTORTION vs FREQUENCY
Frequency (MHz)
0.1 101 100
−
50
−
60
−
70
−
80
−
90
−
100
Harmonic Distortion (dBc)
3rd−Harmonic
2nd−Harmonic
G
D
=+9
R
L
=70
Ω
HARMONIC DISTORTION vs OUTPUT VOLTAGE
Output Voltage (V
PP
)
110
−
60
−
70
−
80
−
90
−
100
Harmonic Distortion (dB)
G
D
=+9
R
L
=70
Ω
f = 500kHz
2nd−Harmonic
3rd−Harmonic