THS7376 Datasheet, PDF (20/61 Pages) Texas Instruments – 4-Channel Video Amplifier with One SD and Three HD 8th-Order Filters with 6-dB Gain

THS7376
SBOS692 – JUNE 2013
www.ti.com
TYPICAL CHARACTERISTICS: 3.3-V High-Definition (HD) Bypass Channels (continued)
At load = 150 Ω || 5 pF and dc-coupled input and output, unless otherwise noted.
450
425 ^{VS+ = 3.3 V}
400
375
350
3.5
Enable Input Voltage
V_S+ = 3.3 V
3
Enabled
Disabled
2.5
2
325
1.5
300
275
250
225
200
0.5
Positive Slew Rate
Negative Slew Rate
1
1.5
2
Output Voltage (V)
2.5
G045
Figure 51. HD BYPASS SLEW RATE vs OUTPUT VOLTAGE
1
0.5
Output Voltage
0
-0.5
0 50 100 150 200 250 300 350 400 450 500 550 600
Time (ns)
C053
Figure 52. HD ENABLE AND DISABLE RESPONSE vs TIME
3.5
Bypass Pin Input Voltage
3
2.5
V_S+ = 3.3 V
f_IN = 50 MHz
Filter Mode
2
Bypass Mode
1.5
Output Voltage
1
0.5
0
-0.5
0
20
40
60
80 100 120 140
Time (ns)
C054
Figure 53. HD FILTER AND BYPASS RESPONSE vs TIME
−20
HD1 into HD2
−30
HD1 into HD3
HD2 into HD1
−40
HD2 into HD3
HD3 into HD1
−50
HD3 into HD2
−60
−70
−80
−90
−100
1M
10M
100M
Frequency (Hz)
V_S+ = 3.3 V
1G
G046
Figure 54. HD BYPASS TO HD BYPASS CROSSTALK vs
FREQUENCY
−40
HD1 into SD
−50
HD2 into SD
HD3 into SD
−60
−70
−80
−90
V_S+ = 3.3 V
−100
1M
10M
100M
Frequency (Hz)
G047
Figure 55. HD BYPASS TO SD CROSSTALK vs FREQUENCY
20
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