VCA810_16 Datasheet, PDF (14/40 Pages) Texas Instruments – VCA810 High Gain Adjust Range, Wideband and Variable Gain Amplifier

VCA810
SBOS275G – JUNE 2003 – REVISED DECEMBER 2015
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Typical Characteristics (continued)
At R_L = 500 Ω and V_IN = single-ended input on V+ with V− at ground, V_S = ±5 V, unless otherwise noted.
10
10
V_O = 1V_PP
9
R_L = 500W
8
G = 0dB
8
1MHz
6
7
G = +40dB
4
6
V_O = 1V_PP
R_L = 500W
5MHz
5
10MHz
4
-40 -30 -20 -10 0
10 20 30 40
Gain (dB)
Figure 19. Group Delay vs Gain
2.5
2.0
V_OUT
1.5
1.0
0.5
10x V_IN
0
-0.5
-1.0
-1.5
-2.0
-2.5
Time (100ns/div)
Figure 21. Overdrive Recovery at Maximum Gain
110
Input-Referred
100
90
CMRR
80
70
60
50
PSRR
40
30
20
10
0
-40 -30 -20 -10 0 10 20 30 40
Gain (dB)
Figure 23. Common-Mode Rejection Ratio and
Power-Supply Rejection Ratio vs Gain
2
0
1
10
100
Frequency (MHz)
Figure 20. Group Delay vs Frequency
15
V_OUT
10
5
V_IN
0
200
-5
-10
-15
-20
-25
Time (100ns/div)
Figure 22. Overdrive Recovery at Maximum Attenuation
110
100
CMRR,
90
G = ±40dB
80
70
60
50
40
30
PSRR, G = 0dB
20
10
CMRR,
G = 0dB
PSRR,
G = +40dB
0
0.1
1
10
100
Frequency (MHz)
Figure 24. Common-Mode Rejection Ratio and
Power-Supply Rejection Ratio vs Frequency
14
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