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THS7353 Datasheet, PDF (15/51 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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www.ti.com
TYPICAL CHARACTERISTICS (continued)
THS7353
SLOS484 â NOVEMBER 2005
CROSSTALK vs FREQUENCY
â20 VS = 3.3 V and 5 V
Worst Case
â30
Crosstalk
Referred to Input
RL = 150 W
Filter = Bypass
â40
Filter = 35 MHz
Filter = 16 MHz
â50
Filter = 9 MHz
â60
â70
â80
â90
0.1
1
10
100
f â Frequency â MHz
Figure 28.
1000
INPUT BIAS CURRENT vs SUPPLY VOLTAGE
9
8 STC â High Bias
7
6
5 STC â Mid Bias
4
3
2 STC â Low Bias
TA = 25°C
1
0 DC â Input Bias
â1
2.6
3
3.4
3.8
4.2
4.6
5
VS â Supply Voltage â V
Figure 30.
SMALL-SIGNAL FREQUENCY RESPONSE
5
Filter = Bypass
0
â5
Filter = 35 MHz
â10
â15
Filter = 16 MHz
â20
â25
Filter = 9 MHz
â30
â35
â40 VS = 5 V,
â45
VO = 200 mVPP,
RL = 10 kW || 5 pF
â50
0.1
1
10
100
f â Frequency â MHz
1000
Figure 32.
INPUT BIAS CURRENT vs TEMPERATURE
9
8 STC â High Bias
VS = 3.3 V
7
6 STC â Mid Bias
5
4
3
2 STC â Low Bias
1
0
â40
â20
0
20
40
60
80
100
TA â Ambient Temperature â oC
Figure 29.
SMALL-SIGNAL FREQUENCY RESPONSE
0.5
Filter = Bypass
0
-0.5
Filter = 35 MHz
Filter = 16 MHz
-1
-1.5
Filter = 9 MHz
-2
VS = 5 V,
-2.5 VO = 200 mVPP,
RL = 10 kW || 5 pF
-3
0.1
1
10
100
f â Frequency â MHz
Figure 31.
1000
GROUP DELAY vs FREQUENCY
80
70
60
Filter = 9 MHz
VS = 5 V,
VO = 200 mVPP,
RL = 10 kW || 5 pF
50
40
Filter = 16 MHz
30
20
Filter = 35 MHz
10
Filter = Bypass
0
0.1
1
10
100
f â Frequency â MHz
Figure 33.
1000
15
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