THS7375 Datasheet, PDF (15/36 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 5.6-V/V Gain

THS7375
www.ti.com......................................................................................................................................................................................... SBOS449 – SEPTEMBER 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
15.5
Bypass
15.0
Mode
14.5 ^VS+ ^{= 5 V}
AC-Coupled Output
14.0 _{Load = 150 W || 10 pF}
13.5
13.0
12.5
12.0
11.5
11.0
100 k
V_O = 0.2 V_PP
V_O = 1 V_PP
V_O = 2 V_PP
V_O = 2 V_PP
V_O = 0.2 V_PP
Filter Mode
1M
10 M
100 M
Frequency (Hz)
Figure 33.
SMALL-SIGNAL GAIN vs FREQUENCY
15.5
Bypass
15.0
Mode
14.5
AC- versus
AC
14.0 DC-Coupled Outputs
13.5
Filter Mode
AC or DC
DC
13.0
12.5
12.0 V_S+ = 5 V
11.5
Load = 150 W || 10 pF
V_OUT = 200 mV_PP
11.0
100 k
1M
10 M
Frequency (Hz)
Figure 35.
100 M
3RD-ORDER HARMONIC DISTORTION
vs OUTPUT VOLTAGE
-40
R_L = 150 W || 10 pF
DC-Coupled Output
-50 _{Bypass Mode}
f = 16 MHz
V_S+ = 5 V
-60
f = 8 MHz
-70
-80
-90
-100
0
f = 4 MHz f = 2 MHz
f = 1 MHz
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Output Voltage (V_PP)
Figure 37.
SMALL-SIGNAL GAIN vs FREQUENCY
20
Bypass
10
Mode
0
AC- versus
DC-Coupled Outputs
-10
DC
-20
Filter Mode
AC
-30
DC
-40 _{VS+ = 5 V}
-50 ^{Load = 150 W || 10 pF}
V_OUT = 200 mV_PP
AC
-60
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 34.
2ND-ORDER HARMONIC DISTORTION
vs OUTPUT VOLTAGE
-40
V_S+ = 5 V
-50
Bypass Mode
R_L = 150 W || 10 pF
f = 16 MHz
DC-Coupled Output
-60
-70
-80
-90
-100
0
-40
f = 8 MHz
f = 2 MHz
f = 1 MHz
f = 4 MHz
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Output Voltage (V_PP)
Figure 36.
2ND-ORDER HARMONIC DISTORTION
vs OUTPUT VOLTAGE
-50
f = 4 MHz
-60
-70
-80
-90
-100
0
f = 2 MHz
f = 1 MHz
V_S+ = 5 V
Filter Mode
R_L = 150 W || 10 pF
DC-Coupled Output
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Output Voltage (V_PP)
Figure 38.
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