Datasheet

TYPICAL CHARACTERISTICS: V
S
= +5V, Differential Configuration
3
0
−
3
−
6
−
9
−
12
−
15
Frequency (MHz)
1 10 100 200
Normalized Gain (dB)
G
D
= 1
G
D
= 2
G
D
= 5
G
D
= 10
V
O
= 200mV
PP
R
L
= 500
Ω
R
L
604
Ω
604
Ω
R
G
V
O
V
I
G
D
=
604
Ω
R
G
+5V
1.2k
Ω
1.2k
Ω
0.1
µ
F
1/2
OPA2830
1/2
OPA2830
R
G
2.5V
2.5V
−
40
−
45
−
50
−
55
−
60
−
65
−
70
−
75
−
80
−
85
−
90
Resistance (
Ω
)
100 150 200 250 300 350 400 450 500
Harmonic Distortion (dBc)
3rd−Harmonic
2nd−Harmonic
G
D
= 2
V
O
= 4V
PP
f = 5MHz
9
6
3
0
−
3
−
6
−
9
Frequency (MHz)
1 10 100 200
Gain (dB)
V
O
= 3V
PP
V
O
= 2V
PP
V
O
= 1V
PP
V
O
= 0.2V
PP
G
D
= 2
R
L
= 500
Ω
−
30
−
40
−
50
−
60
−
70
−
80
−
90
−
100
−
110
Frequency (MHz)
1 10 100
Harmonic Distrtion (dBc)
3rd−Harmonic
2nd−Harmonic
G
D
= 2
V
O
= 4V
PP
R
L
= 500
Ω
−
55
−
60
−
65
−
70
−
75
−
80
−
85
−
90
−
95
−
100
Output Voltage Swing (V
PP
)
1 10
Harmonic Distrtion (dBc)
3rd−Harmonic
2nd−Harmonic
G
D
= 2
R
L
= 500
Ω
f = 5MHz
OPA2830
www.ti.com .................................................................................................................................................. SBOS309D – AUGUST 2004 – REVISED AUGUST 2008
At T
A
= +25 ° C, R
F
= 604 Ω , and R
L
= 500 Ω differential (as shown in Figure 45 ), unless otherwise noted.
DIFFERENTIAL SMALL-SIGNAL FREQUENCY RESPONSE
Figure 45. Figure 46.
DIFFERENTIAL LARGE-SIGNAL FREQUENCY RESPONSE DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
Figure 47. Figure 48.
DIFFERENTIAL DISTORTION vs FREQUENCY DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
Figure 49. Figure 50.
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