THS7374 Datasheet, PDF (12/37 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain

THS7374
SLOS590 – JULY 2008....................................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S+ = 3.3 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
Bypass
6.5
Mode
6.0
5.5
Filter Mode
5.0
V_O = 1 V_PP
V_O = 2 V_PP
4.5
V_O = 0.2 V_PP and 2 V_PP
4.0
3.5 V_S = +3.3 V
3.0 ^{AC-Coupled Output}
Load = 150 W || 10 pF
2.5
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 15.
SMALL-SIGNAL GAIN vs FREQUENCY
7.0
AC- versus
Bypass
6.5 DC-Coupled Outputs
Mode
6.0
5.5
Filter Mode
5.0
AC or DC
4.5
AC
DC
4.0
3.5 V_S = +3.3 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 17.
HARMONIC DISTORTION vs FREQUENCY
-40 _{VS+ = 3.3 V}
Filter Mode
-50 _{RL = 150 W || 10 pF}
DC-Coupled Output
2 V_PP - HD2
-60
-70
-80
0.5 V_PP - HD2
-90
1 V_PP - HD2
1 V_PP - HD3
-100
1
2
3
Frequency (MHz)
Figure 19.
2 V_PP - HD3
0.5 V_PP - HD3
4
SMALL-SIGNAL GAIN vs FREQUENCY
10
Bypass
0
Mode
AC- versus
DC
-10 DC-Coupled Outputs
AC
-20
Filter Mode
-30
AC
-40
V_S = +3.3 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 16.
HARMONIC DISTORTION vs FREQUENCY
-40
V_S+ = 3.3 V
2 V_PP - HD3
-50
Bypass Mode
R_L = 150 W || 10 pF
DC-Coupled Output
-60
2 V_PP - HD2
1 V_PP - HD3
-70
-80
-90
-100
0
1 V_PP - HD2
0.5 V_PP - HD3
0.5 V_PP - HD2
4
8
12
16
Frequency (MHz)
Figure 18.
HARMONIC DISTORTION vs FREQUENCY
-40
2 V_PP - HD2
-50
2 V_PP - HD3
-60
-70
-80
-90
-100
0
1 V_PP - HD3
1 V_PP - HD2 0.5 V_PP - HD3
0.5 V_PP - HD2
V_S+ = 3.3 V
Bypass Mode
R_L = 150 W || 10 pF
AC-Coupled Output
4
8
12
16
Frequency (MHz)
Figure 20.
12
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