THS7374 Datasheet, PDF (15/37 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain

THS7374
www.ti.com....................................................................................................................................................................................................... SLOS590 – JULY 2008
TYPICAL CHARACTERISTICS: V_S+ = 5 V (continued)
R_L = 150 Ω to GND and dc-coupled input and output, unless otherwise noted.
LARGE-SIGNAL GAIN vs FREQUENCY
7.0
V_O = 0.2 V_PP
6.5
6.0
5.5 ^{VS = +5 V}
AC-Coupled Output
5.0 Load = 150 W || 10 pF
4.5
4.0
Filter Mode
3.5
V_O = 2 V_PP
V_O = 1 V_PP
Bypass
Mode
3.0
V_O = 0.2 V_PP and 2 V_PP
2.5
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 28.
SMALL-SIGNAL GAIN vs FREQUENCY
7.0
AC- versus DC-Coupled Outputs
6.5
Bypass
Mode
6.0
AC
5.5
AC or DC
5.0
DC
4.5
Filter Mode
4.0
3.5 V_S = +5 V
3.0
Load = 150 W || 10 pF
V_OUT = 200 mV_PP
2.5
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 30.
HARMONIC DISTORTION vs FREQUENCY
-40
V_S+ = 5 V
-50
Filter Mode
R_L = 150 W || 10 pF
DC-Coupled Output
-60
1 V_PP - HD2
2 V_PP - HD2
SMALL-SIGNAL GAIN vs FREQUENCY
10
Bypass
0
Mode
AC- versus
DC
-10 DC-Coupled Outputs
AC
-20
Filter Mode
AC
-30
-40
V_S = +5 V
-50 Load = 150 W || 10 pF
V_OUT = 200 mV_PP
DC
-60
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 29.
HARMONIC DISTORTION vs FREQUENCY
-40
V_S+ = 5 V
-50
Filter Mode
R_L = 150 W || 10 pF
2 V_PP - HD3
DC-Coupled Output
-60
1 V_PP - HD2
-70 2 V_PP - HD2
-80
-90
-100
0
1 V_PP - HD3
0.5 V_PP - HD3
0.5 V_PP - HD2
4
8
12
16
Frequency (MHz)
Figure 31.
HARMONIC DISTORTION vs FREQUENCY
-40
2 V_PP - HD2
-50
2 V_PP - HD3 ^{1 VPP - HD3}
-60
-70
-80
-90
-100
1
0.5 V_PP - HD2
1 V_PP - HD3
2 V_PP - HD3
2
3
4
Frequency (MHz)
Figure 32.
-70
-80
-90
-100
0
0.5 V_PP - HD3 ^{1 VPP - HD2}
0.5 V_PP - HD2
V_S+ = 5 V
Filter Mode
R_L = 150 W || 10 pF
AC-Coupled Output
4
8
12
16
Frequency (MHz)
Figure 33.
Copyright © 2008, Texas Instruments Incorporated
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