Datasheet

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TYPICAL CHARACTERISTICS
55
50
45
40
35
30
25
20
15
10
5
0
5
10
-
-
1.2
Gain(dB)
V (V)
CNTRL
0
0.1 0.2
1.11.00.90.7 0.80.5 0.60.40.3
20dB
25dB
27dB
30dB
0.50
0.25
0
0.25
0.50
-
-
1.2
Gain(dB)
V (V)
CNTRL
0
1.11.00.90.7 0.80.5 0.60.40.30.20.1
PGA=20dB
PGA= 30dB
PGA=27dB
PGA=25dB
55
50
45
40
35
30
25
20
15
10
5
0
5
10
-
-
1.2
Gain(dB)
V (V)
CNTRL
0.0
1.11.00.90.7 0.80.5 0.60.40.3
30dBat 40 C- °
30dBat+25 C°
30dBat+85 C°
20dBat C°-40
20dBat C°+25
20dBat C°+85
0.1 0.2
1.50
1.25
1.00
0.75
0.50
0.25
0
0.25
0.50
0.75
1.00
1.25
1.50
-
-
-
-
-
-
1.2
GainError(dB)
V (V)
CNTRL
0
1.11.00.90.7 0.80.5 0.60.40.3
30dBat 40 C- °
30dBat+85 C°
20dBat 40 C- °
20dBat+85 C°
0.20.1
55
50
45
40
35
30
25
20
15
10
5
0
5
10
-
-
1.2
Gain(dB)
V (V)
CNTRL
0
1.11.00.90.7 0.80.5 0.60.40.30.20.1
30dBat2MHz
30dBat5MHz
30dBat10MHz
20dBat2MHz
20dBat 5MHz
20dBat 10MHz
PGA=20dBand30dB
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
1.2
GainMatching(dB)
V (V)
CNTRL
0
1.11.00.90.7 0.80.5 0.60.40.30.20.1
PGA=20dB
PGA= 30dB
VCA8500
SBOS390A – JANUARY 2008 – REVISED MARCH 2008
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.
GAIN vs V
CNTRL
(at PGA = X) GAIN ERROR vs V
CNTRL
Figure 2. Figure 3.
GAIN vs V
CNTRL
OVER TEMPERATURE GAIN ERROR DRIFT vs V
CNTRL
Figure 4. Figure 5.
GAIN vs V
CNTRL
OVER FREQUENCY GAIN MATCHING vs V
CNTRL
Figure 6. Figure 7.
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