THS7368_14 Datasheet, PDF (18/41 Pages) Texas Instruments – 6-Channel Video Amplifier with 3-SD and 3-SD/ED/HD/Full-HD Filters and 6-dB Gain

THS7368
SBOS497 – DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS: 5 V, Standard-Definition (SD) Channels (continued)
With load = 150 Ω || 10 pF, dc-coupled input and output, unless otherwise noted.
SD CHANNELS PHASE vs FREQUENCY RESPONSE
SD CHANNELS GROUP DELAY vs FREQUENCY RESPONSE
45
0
-45
-90
-135
-180
Filter Mode
R_L = 75 W and 150 W
R_L = 75 W and 150 W
Bypass Mode
120
V_S = +5 V
110 Load = R_L || 10 pF
DC-Coupled Output
100 V_O = 200 mV_PP
90
Filter Mode
80
-225
V_S = +5 V
-270 _{Load = RL || 10 pF}
-315 ^{DC-Coupled Output}
V_O = 200 mV_PP
-360
100 k
1M
10 M
100 M
1G
Frequency (Hz)
70
R_L = 75 W and 150 W
60
50
100 k
1M
10 M
Frequency (Hz)
100 M
Figure 25.
Figure 26.
SD CHANNELS SECOND-ORDER HARMONIC DISTORTION vs
FREQUENCY
-30
V_S = +5 V
DC-Coupled Output
-40 _{RL = 150 W || 10 pF}
V_O = 2 V_PP
V_O = 2.5 V_PP
-50
V_O = 1.4 V_PP
-60
V_O = 1 V_PP
-70
-80
V_O = 0.5 V_PP
-90
1
7
Frequency (MHz)
Figure 27.
SD CHANNELS THIRD-ORDER HARMONIC DISTORTION vs
FREQUENCY
-30 _{VS = +5 V}
DC-Coupled Output
-40 _{RL = 150 W || 10 pF}
-50
-60
V_O = 1 V_PP
-70
V_O = 2.5 V_PP
V_O = 2 V_PP
V_O = 1.4 V_PP
-80
-90
-100
1
V_O = 0.5 V_PP
7
Frequency (MHz)
Figure 28.
SD CHANNELS SECOND-ORDER HARMONIC DISTORTION vs
FREQUENCY
-30
V_S = +5 V
Filter Bypass
-40 _{DC-Coupled Output}
R_L = 150 W || 5 pF
-50
V_O = 2.5 V_PP
-60
V_O = 2 V_PP
-70
-80
-90
1
V_O = 0.5 V_PP
V_O = 1 V_PP
V_O = 1.4 V_PP
10
60
Frequency (MHz)
Figure 29.
SD CHANNELS THIRD-ORDER HARMONIC DISTORTION vs
FREQUENCY
-30
V_S = +5 V
-40 ^{Filter Bypass}
DC-Coupled Output
-50 ^{RL = 150 W || 5 pF}
-60
-70
V_O = 2.5 V_PP
-80
-90
V_O = 0.5 V_PP
V_O = 1 V_PP
V_O = 1.4 V_PP
V_O = 2 V_PP
-100
1
10
60
Frequency (MHz)
Figure 30.
18
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