THS7373 Datasheet, PDF (20/49 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: 3.3 V, High-Definition (HD) Channels (continued)
With load = 150 Ω || 5 pF, dc-coupled input and output, unless otherwise noted.
HD CHANNELS THIRD-ORDER HARMONIC DISTORTION vs
FREQUENCY
HD CHANNELS SMALL-SIGNAL PULSE RESPONSE vs TIME
-30 _{VS = +3.3 V}
DC-Coupled Output
-40 _{RL = 150 W || 5 pF}
-50
-60
-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
V_O = 1 V_PP
10
30
Frequency (MHz)
1.9
Input Voltage Waveforms
1.8
Input
t_R/t_F = 1 ns
Input
t_R/t_F = 33.6 ns
0.75
0.65
1.7
Input
t_R/t_F = 1 ns
1.6
1.5
V_S = +3.3 V
Filter Mode
1.4
-50
0
Output Voltage
Waveforms
Input
t_R/t_F = 33.6 ns
0.55
0.45
0.35
0.25
50
100
150
200
250
Time (ns)
Figure 44.
Figure 45.
HD CHANNELS LARGE-SIGNAL PULSE RESPONSE vs TIME
4.6
Input Voltage Waveforms
3.6
Input
t_R/t_F = 1 ns
1.65
Input
t_R/t_F = 33.6 ns
0.65
2.6
Input
t_R/t_F = 1 ns
1.6
0.6
V_S = +3.3 V
Filter Mode
-0.6
-50
0
Output Voltage
Waveforms
Input
t_R/t_F = 33.6 ns
-0.35
-1.35
-2.35
-3.35
50
100
150
200
250
Time (ns)
Figure 46.
HD CHANNELS SMALL-SIGNAL PULSE RESPONSE vs TIME
1.9
0.75
1.8
Input
t_R/t_F = 1 ns
Input Voltage
0.65
Waveform
1.7
0.55
1.6
1.5
V_S = +3.3 V
Bypass Mode
1.4
-50
0
0.45
Output Voltage
Waveform
0.35
0.25
50
100
150
200
250
Time (ns)
Figure 47.
HD CHANNELS LARGE-SIGNAL PULSE RESPONSE vs TIME
4.6
1.65
3.6
Input
t_R/t_F = 1 ns
Input Voltage
Waveform
0.65
2.6
-0.35
1.6
0.6
V_S = +3.3 V
Bypass Mode
-0.6
-50
0
50
Output Voltage
Waveform
-1.35
-2.35
-3.35
100
150
200
250
Time (ns)
Figure 48.
HD CHANNELS SLEW RATE vs OUTPUT VOLTAGE
600
Bypass Mode
500
Negative Slew Rate
400
Positive Slew Rate
300
V_S = +3.3 V
DC-Coupled Output
Load = 150 W || 5 pF
200
Positive and Negative Slew Rate
100
Filter Mode
0
0.5
1.0
1.5
2.0
2.5
Output Voltage (V_PP)
Figure 49.
20
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