THS7374_16 Datasheet, PDF (17/42 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+ = 5 V (continued)
R_L = 150 Ω to GND and dc-coupled input and output, unless otherwise noted.
HARMONIC DISTORTION vs FREQUENCY
DIFFERENTIAL GAIN
-40
V_S+ = 5 V, Filter Mode
-50
R_L = 150 W || 10 pF
AC-Coupled Output
1 V_PP - HD2 ^{2 VPP - HD2}
0
-0.02
NTSC
-60
0.5 V_PP - HD2
-70
1 V_PP - HD3
-80
2 V_PP - HD3
-90
0.5 V_PP - HD3
-100
1
2
3
4
-0.04
PAL
-0.06
-0.08
-0.10
-0.12
V_S+ = 5 V
Filter Mode
AC-Coupled Output
-0.14
1st
2nd
3rd
4th
5th
6th
Frequency (MHz)
Figure 46.
Figure 47.
DIFFERENTIAL PHASE
0.70
V_S+ = 5 V
0.60 ^{Filter Mode}
AC-Coupled Output
PAL
0.50
0.40
NTSC
0.30
0.20
0.10
0
1st
2nd
3rd
4th
5th
6th
Figure 48.
DIFFERENTIAL GAIN
0
-0.05
-0.10
-0.15
NTSC
-0.20
PAL
-0.25
-0.30
V_S+ = 5 V
-0.35 Filter Mode
DC-Coupled Output
-0.40
1st
2nd
3rd
4th
5th
6th
Figure 49.
DIFFERENTIAL PHASE
0.45
0.40
V_S+ = 5 V
Filter Mode
0.35 ^{DC-Coupled Output}
PAL
0.30
0.25
NTSC
0.20
0.15
0.10
0.05
0
1st
2nd
3rd
4th
5th
6th
Figure 50.
OUTPUT IMPEDANCE vs FREQUENCY
100
10
1
Filter Mode
0.1
Bypass Mode
V_S = +5 V
0.01
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 51.
Copyright © 2008–2011, Texas Instruments Incorporated
Product Folder Link(s): THS7374
Submit Documentation Feedback
17