THS7374_16 Datasheet, PDF (13/42 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain

THS7374
www.ti.com
SLOS590B – JULY 2008 – REVISED JANUARY 2011
TYPICAL CHARACTERISTICS: V_S+ = 3.3 V (continued)
R_L = 150 Ω to GND and dc-coupled input and output, unless otherwise noted.
HARMONIC DISTORTION vs FREQUENCY
DIFFERENTIAL GAIN
-40
0.5 V_PP - HD2
-50
-60
2 V_PP - HD3
-70
1 V_PP - HD2
2 V_PP - HD2
0
-0.02
-0.04
-0.06
-0.08
-0.10
NTSC
PAL
-80
1 V_PP - HD3
-90
-100
1
0.5 V_PP - HD3
2
V_S+ = 3.3 V
Filter Mode
R_L = 150 W || 10 pF
AC-Coupled Output
3
4
-0.12
-0.14
-0.16
V_S+ = 3.3 V
Filter Mode
AC-Coupled Output
-0.18
1st
2nd
3rd
4th
5th
6th
Frequency (MHz)
Figure 24.
Figure 25.
DIFFERENTIAL PHASE
0.60
V_S+ = 3.3 V
0.50
Filter Mode
AC-Coupled Output
PAL
0.40
NTSC
0.30
0.20
0.10
0
1st
2nd
3rd
4th
5th
6th
Figure 26.
DIFFERENTIAL GAIN
0
-0.05
-0.10
-0.15
NTSC
-0.20
PAL
-0.25
-0.30
V_S+ = 3.3 V
-0.35 Filter Mode
DC-Coupled Output
-0.40
1st
2nd
3rd
4th
5th
6th
Figure 27.
DIFFERENTIAL PHASE
0.50
0.45
V_S+ = 3.3 V
Filter Mode
0.40 DC-Coupled Output
0.35
PAL
0.30
0.25
NTSC
0.20
0.15
0.10
0.05
0
1st
2nd
3rd
4th
5th
6th
Figure 28.
OUTPUT IMPEDANCE vs FREQUENCY
100
10
1
Filter Mode
0.1
Bypass Mode
V_S = +3.3 V
0.01
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 29.
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