THS7319 Datasheet, PDF (14/34 Pages) Texas Instruments – 3-Channel, Very Low Power Video Amplifiers with EDTV Filters and 6-dB Gain

THS7319
SBOS468A – JUNE 2009 – REVISED JULY 2009.............................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS: V_S+ = 5 V (continued)
At T_A = +25°C, load = 150 Ω || 6.2 pF to GND, and dc-coupled input/output, unless otherwise noted.
SECOND-ORDER HARMONIC DISTORTION
vs FREQUENCY
-40 _{VS+ = 5 V}
Input Bias = 1 V_DC
-50
V_OUT = 3 V_PP
V_OUT = 0.5 V_PP
-60
V_OUT = 2 V_PP ^VOUT ^{= 1 V}PP
-70
-80
-90
-100
1M
Frequency (Hz)
Figure 37.
V_OUT = 0.25 V_PP
10 M
SMALL-SIGNAL PULSE RESPONSES vs TIME
2.5
1.1
Input t_R/t_F = 70 ns
2.4
1.0
Input t_R/t_F = 1 ns
Input Voltage Waveforms
2.3
0.9
Input t_R/t_F = 70 ns
2.2
0.8
Input t_R/t_F = 1 ns
2.1
0.7
V_S+ = 5 V
2.0
-50 0 50
Output Voltage Waveforms
0.6
100 150 200 250 300 350 400
Time (ns)
Figure 39.
SLEW RATE vs OUTPUT VOLTAGE
120
V_S = 5 V
Positive and Negative Slew Rates
100
80
60
40
20
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V_PP)
Figure 41.
THIRD-ORDER HARMONIC DISTORTION
vs FREQUENCY
-40 _{VS+ = 5 V}
Input Bias = 1 V_DC
-50
V_OUT = 3 V_PP
V_OUT = 2 V_PP
-60
V_OUT = 0.25 V_PP
-70
V_OUT = 0.5 V_PP
-80
V_OUT = 1 V_PP
-90
-100
1M
Frequency (Hz)
Figure 38.
10 M
LARGE-SIGNAL PULSE RESPONSES vs TIME
5.5
2
Input t_R/t_F = 70 ns
4.5
1
Input t_R/t_F = 1 ns
Input Voltage Waveforms
3.5
0
Input t_R/t_F = 70 ns
2.5
-1
Input t_R/t_F = 1 ns
1.5
-2
V_S+ = 5 V
0.5
-50 0 50
Output Voltage Waveforms
-3
100 150 200 250 300 350 400
Time (ns)
Figure 40.
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-0.2
-50
ENABLE/DISABLE RESPONSE vs TIME
Enable Input Voltage
4
V_S+ = 5 V
3
Enabled
2
1
Disabled
0
-1
-2
Output Voltage
-3
-4
-5
50 150 250 350 450 550 650
Time (ns)
Figure 42.
14
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