THS7320 Datasheet, PDF (13/35 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+ = 3 V (continued)
At T_A = +25°C, load = 150 Ω || 6.2 pF to GND, and dc-coupled input/output, unless otherwise noted.
PHASE vs FREQUENCY
45
GROUP DELAY vs FREQUENCY
30
0
45
25
90
20
135
180
15
225
270 _{VS+ = 3 V}
315 ^{VOUT = 200 mVPP}
Input Bias = 0.33 V_DC
360
100k
1M
10M
Frequency (Hz)
Figure 23.
100M
G009
10 VS+ = 3 V
V_OUT = 200 mV_PP
Input Bias = 0.33 V_DC
5
1M
10 M
Frequency (Hz)
Figure 24.
100 M
G005
DIFFERENTIAL GAIN
0.06
V_S+ = 3 V
0.05
0.04
0.03
0.02
0.01
PAL
NTSC
DIFFERENTIAL PHASE
0.025
V_S+ = 3 V
0.02
0.015
NTSC
0.01
PAL
0.005
0
1st
2nd
3rd
4th
5th
6th
Step
G020
Figure 25.
0
1st
2nd
3rd
4th
5th
6th
Step
G012
Figure 26.
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
−20
−30
−40 ^{VS+ = 3 V}
Load = 150 Ω || C_L
−50 ^VOUT ^{= 200 mV}PP
Input Bias = 0.33 V_DC
−60
1M
10 M
100 M
Frequency (Hz)
1G
G030
Figure 27.
SMALL-SIGNAL FREQUENCY RESPONSE
vs RESISTIVE LOAD
20
R_L = 75 Ω
10
R_L = 150 Ω
R_L = Open
0
−10
−20
−30
V_S+ = 3 V
−40 _{VOUT = 200 mVPP}
Input Bias = 0.33 V_DC
−50
1M
10M
100M
1G
Frequency (Hz)
Figure 28.
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