THS7376_14 Datasheet, PDF (11/62 Pages) Texas Instruments – 4-Channel Video Amplifier with One SD and Three HD 8th-Order Filters with 6-dB Gain

THS7376
www.ti.com
SBOS692 – JUNE 2013
TYPICAL CHARACTERISTICS: 3.3-V Standard-Definition (SD) Channel
At load = 150 Ω || 5 pF and dc-coupled input and output, unless otherwise noted.
10
R_L = 150 Ω
0
R_L = 75 Ω
−10
−20
−30
V_S+ = 3.3 V
−40 _{Load = RL || 5 pF}
V_OUT = 200 mV_PP
−50 Input Bias = 0.65 V_DC
DC−Coupled Output
−60
100k
1M
10M
100M
1G
Frequency (Hz)
G000
Figure 1. SD SMALL-SIGNAL GAIN vs FREQUENCY
7
6.5
R_L = 150 Ω
R_L = 75 Ω
6
5.5
5
4.5
4
3.5
V_S+ = 3.3 V
Load = R_L || 5 pF
3 VOUT = 200 mVPP
2.5
Input Bias = 0.65 V_DC
DC−Coupled Output
2
100k
1M
10M
100M
Frequency (Hz)
G001
Figure 2. SD SMALL-SIGNAL GAIN 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 || 5 pF
V_OUT = 200 mV_PP
Input Bias = 0.65 V_DC
DC−Coupled Output
−360
100k
1M
10M
Frequency (Hz)
Figure 3. SD PHASE vs FREQUENCY
100M
G002
120
V_S+ = 3.3 V
110 ^{Load = R}L ^{|| 5 pF}
V_OUT = 200 mV_PP
100 ^{Input Bias = 0.65 VDC}
DC−Coupled Output
90
80
70
60
R_L = 150 Ω
R_L = 75 Ω
50
100k
1M
10M
100M
Frequency (Hz)
G003
Figure 4. SD GROUP DELAY vs FREQUENCY
0.03
0.025
V_S+ = 3.3 V
0.02
0.015
0.01
0.005
0
PAL
NTSC
1st
2nd
3rd
4th
5th
Steps
Figure 5. SD DIFFERENTIAL GAIN
6th
C005
0.35
0.3
V_S+ = 3.3 V
0.25
0.2
0.15
0.1
0.05 ^PAL
NTSC
0
1st
2nd
3rd
4th
5th
6th
Steps
C006
Figure 6. SD DIFFERENTIAL PHASE
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