Datasheet

"#$%&
SBOS316D − JULY 2005 − REVISED OCTOBER 2008
www.ti.com
7
TYPICAL CHARACTERISTICS (continued)
All specifications at T
A
= +25°C, V
DD
= 5V, load resistance = 500Ω on each output to ground; the input to the preamp (LNP) is single-ended;
f
IN
= 5MHz, LNP Gain (G1, G2) = 10, H
/L = 0, V
CNTL
= 2.5V; VCA output is 1V
PP
differential; CA, CB = 3.9µF, unless otherwise noted.
Figure 7
−0.56 −0.49 −
0.42
GAIN MATCHING, CHA to CHB
V
CNTL
=0.4V
DeltaGain(dB)
Units
60
50
40
30
20
10
0
−0.35
−0.28
−
0.21
−0.14 −0.07 −
0.00
0.07
0.21 0.14
0.28
0.35
0.42 0.49
Figure 8
−
0.53
−
0.47
−0.41
GAIN MATCHING, CHA to CHB
V
CNTL
=2.0V
DeltaGain(dB)
Units
60
50
40
30
20
10
0
−0.35
−0.29 −0.23 −
0.17
−0.11
−0.05
0.01
0.13 0.07
0.19
0.25
0.31 0.37
Figure 9
25
20
15
10
5
0
−
5
GAIN vs FREQUENCY
(V
CNTL
= 0.7V, Lo VGA Gain)
Frequency (MHz)
0.1 1 10 100
Gain (dB)
LNP = 10
LNP = 00
LNP = 11
LNP = 01
Figure 10
30
25
20
15
10
5
0
GAIN vs FREQUENCY
(V
CNTL
= 0.7V, Hi VGA Gain)
Frequency (MHz)
0.1 1 10 100
Gain (dB)
LNP = 11
LNP = 10
LNP= 00
LNP = 01
Figure 11
60
55
50
45
40
35
30
25
20
15
10
5
0
GAIN vs FREQUENCY
(V
CNTL
=2.5V,LoVGAGain)
Frequency (MHz)
0.1 1 10 100
Gain (dB)
LNP = 11
LNP = 10
LNP = 01
LNP = 00
Figure 12
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
GAIN vs FREQUENCY
(V
CNTL
= 2.5V, Hi VGA Gain)
Frequency (MHz)
0.1 1 10 100
Gain (dB)
LNP = 11
LNP = 10
LNP = 01
LNP = 00