THS7320 Datasheet, PDF (14/35 Pages) Texas Instruments – 3-Channel ED Filter Video Amplifier with 4-V/V Gain

THS7320
SBOS565B – JULY 2011 – REVISED SEPTEMBER 2012
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TYPICAL CHARACTERISTICS: V_S+ = 3 V (continued)
At T_A = +25°C, load = 150 Ω || 6.2 pF to GND, and dc-coupled input/output, unless otherwise noted.
CROSSTALK vs FREQUENCY ⁽¹⁾
−30
Ch. 1 into Ch. 2
V_S+ = 3 V
−40
Ch. 1 into Ch. 3
Ch. 2 into Ch. 1
Ch. 2 into Ch. 3
−50
Ch. 3 into Ch. 1
SECOND-ORDER HARMONIC DISTORTION
vs FREQUENCY
-30
V_OUT = 0.25 V_PP
V_OUT = 1.4 V_PP
-40
V_OUT = 0.5 V_PP
V_OUT = 1 V_PP
V_OUT = 2 V_PP
V_OUT = 2.5 V_PP
-50
Ch. 3 into Ch. 2
−60
-60
−70
−80
−90
1M
10 M
Frequency (Hz)
Figure 29.
100 M
G002
-70
-80
-90
-100
1M
V_S+ = 3 V
Input Bias = 0.3 V_DC
10M
Frequency (Hz)
G023
Figure 30.
THIRD-ORDER HARMONIC DISTORTION
vs FREQUENCY
-40
V_OUT = 0.25 V_PP
V_OUT = 0.5 V_PP
-50
V_OUT = 1 V_PP
V_S+ = 3 V
Input Bias = 0.3 V_DC
V_OUT = 1.4 V_PP
-60
V_OUT = 2 V_PP
V_OUT = 2.5 V_PP
-70
-80
-90
-100
1M
10M
Frequency (Hz)
G022
Figure 31.
LARGE-SIGNAL PULSE RESPONSE vs TIME
5
0.85
Input t_R/t_F = 70 ns
4.5
4
0.35
3.5
Input t_R/t_F = 1 ns
Input Voltage Waveforms
3
-0.15
2.5
2
Input t_R/t_F = 70 ns _-0.65
1.5
1
0.5
0 ^{VS+ = 3 V}
-50 0 50
Input t_R/t_F = 1 ns
-1.15
Output Voltage
Waveforms
-1.65
100 150 200 250 300 350 400
Time (ns)
G010
Figure 32.
SMALL-SIGNAL PULSE RESPONSE vs TIME
1.83
0.38
1.78
Input t_R/t_F = 70 ns
1.73
0.33
1.68
Input t_R/t_F = 1 ns
Input Voltage Waveforms
1.63
0.28
1.58
1.53
Input t_R/t_F = 70 ns _0.23
1.48
1.43
1.38
1.33 ^{VS+ = 3 V}
-50 0 50
Input t_R/t_F = 1 ns
0.18
Output Voltage
Waveforms
0.13
100 150 200 250 300 350 400
Time (ns)
G008
Figure 33.
SLEW RATE vs OUTPUT VOLTAGE
120
V_S+ = 3 V
Positive and Negative Slew Rates
100
80
60
40
20
0
0.5
1
1.5
2
2.5
Output Voltage (V_PP)
Figure 34.
(1) Measured at output connector relative to source output connector.
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