Datasheet

www.ti.com
-
-
-
-
-
-
-
45
50
55
60
65
70
75
10
Distortion(dB)
Frequency(MHz)
1
2ndHarmonic,20dB
2ndHarmonic,30dB
3rdHarmonic,30dB
3rdHarmonic,20dB
PGA=20dBand30dB
V =2V
OUT PP
V =1V
CNTRL
-
-
-
-
-
-
-
45
50
55
60
65
70
75
30
Distortion(dB)
PGAGain(dB)
20
2ndHarmonic, 1.2V
CNTRL
2725
2ndHarmonic,1.0V
CNTRL
3rdHarmonic, 1.2V
CNTRL
3rdHarmonic, 1.0V
CNTRL
Frequency=5MHz
V =2V
OUT PP
-
-
-
-
-
-
-
45
50
55
60
65
70
75
2.0
Distortion(dB)
V (V )
OUT PP
1.0 1.41.2 1.81.6
2ndHarmonic
3rdHarmonic
PGA=30dB
V =1.2V
Frequency=5MHz
CNTRL
10
0
10
20
30
40
50
60
70
80
90
-
-
-
-
-
-
-
-
-
5.10
Magnitude(dBm)
Frequency(MHz)
4.90 4.944.92
V =1V
PGA=30dB
V =1V
OUT PP
CNTRL
4.984.96
5.00 5.02 5.04 5.06 5.08
-21.3
4.5
-73.5
-50
55
60
65
70
75
80
-
-
-
-
-
-
1.2
Crosstalk(dBc)
V (V)
CNTRL
0.5 0.70.6
AdjacentChannels
PGA=20dB
V =1V
OUT PP
0.90.8
1.0 1.1
10MHz
2MHz
5MHz
-50
55
60
65
70
75
80
-
-
-
-
-
-
1.2
Crosstalk(dBc)
V (V)
CNTRL
0.5 0.70.6
AdjacentChannels
PGA=25dB
V =1V
OUT PP
0.90.8
1.0 1.1
10MHz
2MHz
5MHz
0.4
VCA8500
SBOS390A – JANUARY 2008 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS (continued)
All specifications at T
A
= +25 ° C, AVDD2 = 5.0V, AVDD1 = DVDD = 3.3V; single-ended, ac-coupled (1 µ F) input configuration
to the preamp (LNA), f
IN
= 5MHz, V
CNTL
= 1.0V, clamp disabled (CL = 1), LPF = 15MHz, and R
LOAD
= 1k Ω on each output to
ground, unless otherwise noted.
DISTORTION vs FREQUENCY DISTORTION vs PGA GAIN
Figure 44. Figure 45.
INTERMODULATION DISTORTION
DISTORTION vs V
OUT
, PEAK-TO-PEAK (4.99MHz and 5.01MHz)
Figure 46. Figure 47.
CROSSTALK vs V
CNTRL
CROSSTALK vs V
CNTRL
Figure 48. Figure 49.
20 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): VCA8500