THS7373 Datasheet, PDF (26/49 Pages) Texas Instruments – 4-Channel Video Amplifier with 1-SD and 3-HD Sixth-Order Filters and 6-dB Gain

THS7373
SBOS506 – DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS: 5 V, High-Definition (HD) Channels
With load = 150 Ω || 5 pF, dc-coupled input and output, unless otherwise noted.
HD CHANNELS SMALL-SIGNAL GAIN vs FREQUENCY
10
Bypass
Mode
0
R_L = 150 W
-10
Filter Mode
R_L = 75 W
-20
-30
R_L = 150 W
-40 V_S = +5 V
DC-Coupled Output
-50 Load = R_L || 5 pF
V_O = 0.2 V_PP
-60
1M
10 M
R_L = 75 W
100 M
1G
Frequency (Hz)
HD CHANNELS SMALL-SIGNAL GAIN vs FREQUENCY
7.5
Bypass
7.0
Mode
6.5
6.0
5.5
Filter Mode
R_L = 150 W
5.0
R_L = 75 W
4.5
4.0 _{VS = +5 V}
3.5 ^{DC-Coupled Output}
3.0
Load = R_L || 5 pF
V_O = 0.2 V_PP
2.5
1M
10 M
R_L = 75 W
R_L = 150 W
100 M
1G
Frequency (Hz)
Figure 74.
Figure 75.
HD CHANNELS LARGE-SIGNAL GAIN vs FREQUENCY
10
Bypass
Mode
0
V_O = 1 V_PP
-10
Filter Mode
V_O = 0.2 V_PP
-20
V_O = 2 V_PP
-30
-40
V_S = +5 V
-50 _{DC-Coupled Output}
Load = 150 W || 5 pF
-60
1M
10 M
V_O = 2 V_PP ^VO ^{= 0.2 V}PP
100 M
1G
Frequency (Hz)
Figure 76.
HD CHANNELS LARGE-SIGNAL GAIN vs FREQUENCY
7.5
7.0
V_O = 0.2 V_PP
Bypass
Mode
6.5
V_O = 1 V_PP
6.0
5.5
V_O = 0.2 V_PP and 2 V_PP
5.0
4.5
Filter Mode
4.0
V_O = 2 V_PP
3.5 ^VS ^{= +5 V}
3.0
DC-Coupled Output
Load = 150 W || 5 pF
2.5
1M
10 M
100 M
1G
Frequency (Hz)
Figure 77.
HD CHANNELS SMALL-SIGNAL GAIN vs FREQUENCY
10
0
-10
-20
-30
V_S = +5 V
-40 _{Filter Mode}
DC-Coupled Output
-50 _{Load = 150 W || CL}
-60 ^{VO = 0.2 VPP}
10 M
C_L = 15 pF C_L = 5 pF
100 M
C_L = 20 pF
1G
Frequency (Hz)
Figure 78.
HD CHANNELS SMALL-SIGNAL GAIN vs FREQUENCY
20
10
C_L = 5 pF
0
-10
C_L = 20 pF
-20
-30 _{VS = +5 V}
C_L = 15 pF
-40 ^{Bypass Mode}
DC-Coupled Output
-50 ^{Load = 150 W || C}L
V_O = 0.2 V_PP
-60
10 M
100 M
1G
Frequency (Hz)
Figure 79.
26
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