THS7372 Datasheet, PDF (12/49 Pages) Texas Instruments – 4-Channel Video Amplifier with One CVBS and Three Full-HD Filters with 6-dB Gain

THS7372
SBOS578 – AUGUST 2011
www.ti.com
TYPICAL CHARACTERISTICS: 3.3 V, Standard-Definition (SD) Channels
With load = 150 Ω || 10 pF, dc-coupled input and output, unless otherwise noted.
SD SMALL-SIGNAL GAIN vs FREQUENCY
10
R_L = 150 Ω
0
R_L = 75 Ω
SD SMALL-SIGNAL GAIN vs FREQUENCY
6.5
R_L = 150 Ω
6
R_L = 75 Ω
−10
−20
−30
−40
V_S+ = 3.3 V
Load = R_L || 10 pF
V_OUT = 200 mV_PP
−50 _{Input Bias = 0.65 VDC}
DC−Coupled Output
−60
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 1.
5.5
5
4.5
4
V_S+ = 3.3 V
3.5 Load = RL || 10 pF
V_OUT = 200 mV_PP
3 Input Bias = 0.65 VDC
DC−Coupled Output
2.5
100k
1M
10M
Frequency (Hz)
Figure 2.
100M
SD PHASE vs FREQUENCY
45
R_L = 150 Ω
0
R_L = 75 Ω
−45
−90
−135
−180
−225
−270
−315
V_S+ = 3.3 V
Load = R_L || 10 pF
V_OUT = 200 mV_PP
Input Bias = 0.65 V_DC
DC−Coupled Output
−360
100k
1M
10M
Frequency (Hz)
Figure 3.
100M
SD GROUP DELAY vs FREQUENCY
130
V_S+ = 3.3 V
120 ^{Load = RL || 10 pF}
V_OUT = 200 mV_PP
110
Input Bias = 0.65 V_DC
DC−Coupled Output
R_L = 150 Ω
R_L = 75 Ω
100
90
80
70
60
100k
1M
10M
Frequency (Hz)
Figure 4.
100M
SD DIFFERENTIAL GAIN
0.05
0
-0.05
-0.1
NTSC
-0.15
-0.2
PAL
-0.25
-0.3
-0.35
V_S+ = 3.3 V
-0.4
1st
2nd
3rd
4th
5th
6th
Steps
Figure 5.
SD DIFFERENTIAL PHASE
0.5
0.45
V_S+ = 3.3 V
0.4
0.35
PAL
0.3
0.25
NTSC
0.2
0.15
0.1
0.05
0
1st
2nd
3rd
4th
5th
6th
Steps
Figure 6.
12
Copyright © 2011, Texas Instruments Incorporated