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SBOS249D − JUNE 2003− REVISED APRIL 2004
TYPICAL CHARACTERISTICS: V = +5V, Differential Configuration
S
At T = +25°C, G = 4, R = 402Ω, and R = 70Ω, unless otherwise noted.
A
D
F
L
+5V
DIFFERENTIAL SMALL−SIGNAL
FREQUENCY RESPONSE
806
Ω
3
0
Ω
RL = 70
1/2
GD = 1
OPA2613
806
Ω
RF
0.01 F
µ
GD = 2
402
Ω
−
3
6
9
RG
0.01 F
V
RL
V
I
I
RF
402
µ
Ω
−
−
0.01 F
µ
GD = 4
GD = 8
1/2
OPA2613
806
Ω
2RF
RG
GD = 1 +
806
Ω
1
10
100
200
Frequency (MHz)
DIFFERENTIAL LARGE−SIGNAL
FREQUENCY RESPONSE
DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
−
−
−
85
90
95
15
12
9
GD = +4
Ω
RL = 70
3rd−Harmonic
Ω
RL = 70
O = 2VPP
f = 1MHz
GD = 4
V
VO = 0.2VPP
VO = 1VPP
2nd−Harmonic
6
VO = 2VPP
VO = 5VPP
3
−
100
0
10
100
Resistance ( )
1k
1
10
Frequency (MHz)
100
200
Ω
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
GD = 4V/V
DIFFERENTIAL DISTORTION vs FREQUENCY
GD = 4V/V
−
85
90
95
−
−
−
75
Ω
RL = 70
O = 2VPP
Ω
RL = 70
f = 1MHz
3rd−Harmonic
V
85
95
3rd−Harmonic
2nd−Harmonic
2nd−Harmonic
−
−
−
105
115
−
0.1
1
10
0.1
1
2
Output Voltage Swing (VPP
)
Frequency (MHz)
15
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