THS7320 Datasheet, PDF (10/35 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+ = 2.6 V (continued)
At T_A = +25°C, load = 150 Ω || 6.2 pF to GND, and dc-coupled input/output, unless otherwise noted.
SMALL-SIGNAL FREQUENCY RESPONSE
SMALL-SIGNAL FREQUENCY RESPONSE
vs CAPACITIVE LOAD
20
C_L = Stray (2 pF)
10
C_L = 6.2 pF
C_L = 10 pF
0
C_L =18 pF
−10
vs RESISTIVE LOAD
20
R_L = 75 Ω
10
R_L = 150 Ω
R_L = Open
0
−20
−10
−30
−20
−40 ^{VS+ = 2.6 V}
Load = 150 Ω || C_L
−30
−50 ^VOUT ^{= 200 mV}PP
Input Bias = 0.25 V_DC
V_S+ = 2.6 V
−40 _{VOUT = 200 mVPP}
−60
1M
10 M
100 M
1G
Input Bias = 0.25 V_DC
−50
Frequency (Hz)
G029
1M
10M
100M
1G
Frequency (Hz)
Figure 8.
Figure 9.
−30
−40
−50
−60
−70
−80
−90
1M
CROSSTALK vs FREQUENCY ⁽¹⁾
Ch. 1 into Ch. 2
Ch. 1 into Ch. 3
Ch. 2 into Ch. 1
Ch. 2 into Ch. 3
Ch. 3 into Ch. 1
Ch. 3 into Ch. 2
V_S+ = 2.6 V
10 M
Frequency (Hz)
Figure 10.
100 M
G001
SECOND-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_OUT = 1.4 V_PP
-60
V_OUT = 2 V_PP
-70
-80
-90
-100
1M
V_S+ = 2.6 V
Input Bias = 0.25 V_DC
10M
Frequency (Hz)
G036
Figure 11.
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+ = 2.6 V
Input Bias = 0.25 V_DC
V_OUT = 1.4 V_PP
-60
V_OUT = 2 V_PP
-70
-80
-90
-100
1M
10M
Frequency (Hz)
G035
Figure 12.
LARGE-SIGNAL PULSE RESPONSE vs TIME
4.5
0.75
Input t_R/t_F = 70 ns
4
3.5
0.25
3
Input t_R/t_F = 1 ns
Input Voltage Waveforms
2.5
-0.25
2
Input t_R/t_F = 70 ns
1.5
-0.75
1
Input t_R/t_F = 1 ns
0.5
-1.25
0
-0.5 ^{VS+ = 2.6 V}
-50 0 50
Output Voltage Waveforms
-1.75
100 150 200 250 300 350 400
Time (ns)
G047
Figure 13.
(1) Measured at output connector relative to source output connector.
10
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