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THS7353 Datasheet, PDF (18/51 Pages) Texas Instruments – 3-Channel Low Power Video Buffer with I2C Control, Selectable Filters, External Gain Control, 2:1 Input MUX, and Selectable Input Modes | |||
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THS7353
SLOS484 â NOVEMBER 2005
TYPICAL CHARACTERISTICS (continued)
www.ti.com
SMALL-SIGNAL FREQUENCY RESPONSE WITH 12 pF
CAPACITIVE LOAD
5
Filter =
0
Bypass
â5
â10
Filter = 9 MHz
â15
â20
Filter = 16 MHz
â25
â30
Filter = 35 MHz
â35
â40 VS = 5 V,
â45 VO = 200 mVPP,
RL = 10 kW || 12 pF
â50
1
10
100
f â Frequency â MHz
1000
Figure 46.
SMALL SIGNAL PULSE RESPONSE
1.2
VS = 5 V,
RL = 10 kW || 5 pF
1.1
1
Filter = Bypass
0.9
Filter = 9 MHz
0.8
Filter = 35 MHz
0.7
Filter = 16 MHz
0.6
0.5
â100
0
100 200 300 400 500 600 700
t â Time â ns
Figure 48.
PAL MULTIPULSE
SMALL-SIGNAL FREQUENCY RESPONSE WITH 25 pF
CAPACITIVE LOAD
10
5
Filter =
Bypass
0
â5
â10 Filter = 9 MHz
â15
â20 Filter = 16 MHz
â25
â30 Filter = 35 MHz
â35
â40 VS = 5 V,
â45 VO = 200 mVPP,
RL = 10 kW || 25 pF
â50
1
10
100
f â Frequency â MHz
1000
Figure 47.
3
2.8
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
â100
LARGE SIGNAL PULSE RESPONSE
Filter = Bypass
Filter = 9 MHz
Filter = 35 MHz
Filter = 16 MHz
VS = 5 V,
RL = 10 kW || 5 pF
0
100 200 300 400 500 600 700
t â Time â ns
Figure 49.
480i G'B'R' 2T PULSE
Filter = 9 MHz
CVBS Input
VS = 5 V
CVBS Output
t - Time = 500 ns/div
Figure 50.
18
Filter = 9 MHz
VS = 5 V
Râ
Bâ
Gâ
t - Time = 100 ns/div
Figure 51.
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