THS7320 Datasheet, PDF (17/35 Pages) Texas Instruments – 3-Channel ED Filter Video Amplifier with 4-V/V Gain

THS7320
www.ti.com
SBOS565B – JULY 2011 – REVISED SEPTEMBER 2012
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.
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+ = 5 V}
Load = 150 Ω || C_L
−30
−50 ^VOUT ^{= 200 mV}PP
Input Bias = 0.5 V_DC
V_S+ = 5 V
−40 _{VOUT = 200 mVPP}
−60
1M
10 M
100 M
1G
Input Bias = 0.5 V_DC
−50
Frequency (Hz)
G031
1M
10M
100M
1G
Frequency (Hz)
Figure 42.
Figure 43.
−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+ = 5 V
10 M
Frequency (Hz)
Figure 44.
100 M
G003
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_S+ = 5 V
Input Bias = 0.5 V_DC
V_OUT = 1.4 V_PP
-60
V_OUT = 2 V_PP
V_OUT = 3 V_PP
-70
-80
-90
-100
1M
10M
Frequency (Hz)
G007
Figure 45.
THIRD-ORDER HARMONIC DISTORTION
vs FREQUENCY
-40
V_OUT = 0.25 V_PP
V_S+ = 5 V
V_OUT = 0.5 V_PP
-50
V_OUT = 1 V_PP
Input Bias = 0.5 V_DC
V_OUT = 1.4 V_PP
-60
V_OUT = 2 V_PP
V_OUT = 3 V_PP
-70
-80
-90
-100
1M
10M
Frequency (Hz)
G024
Figure 46.
LARGE-SIGNAL PULSE RESPONSE vs TIME
5.5
1
Input t_R/t_F = 70 ns
5
4.5
0.5
4
Input t_R/t_F = 1 ns
Input Voltage Waveforms
3.5
0
3
2.5
Input t_R/t_F = 70 ns _-0.5
2
1.5
1
0.5 ^{VS+ = 5 V}
-50 0 50
Input t_R/t_F = 1 ns
-1
Output Voltage
Waveforms
-1.5
100 150 200 250 300 350 400
Time (ns)
G039
Figure 47.
(1) Measured at output connector relative to source output connector.
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