THS7353 Datasheet, PDF (13/51 Pages) Texas Instruments – 3-Channel Low Power Video Buffer with I2C Control, Selectable Filters, External Gain Control, 2:1 Input MUX, and Selectable Input Modes

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TYPICAL CHARACTERISTICS (continued)
THS7353
SLOS484 – NOVEMBER 2005
SMALL-SIGNAL FREQUENCY RESPONSE WITH
CAPACITIVE LOADING
10
V_S = 3.3 V,
8 _{Filter = Bypass,}
6
R_L = 10 kW || C_L
C_L = 25 pF
4
2
C_L = 12 pF
0
-2
C_L = 7 pF
-4
-6
C_L = 1 pF
-8
-10
1
10
100
f − Frequency − MHz
Figure 16.
1000
SMALL-SIGNAL FREQUENCY RESPONSE WITH 12 pF
CAPACITIVE LOAD
5
Filter =
0
Bypass
−5
−10
Filter = 9 MHz
−15
−20
Filter = 16 MHz
−25
−30
Filter = 35 MHz
−35
−40 _{VS = 3.3 V,}
−45 ^VO ^{= 200 mV}PP,
R_L = 10 kW || 12 pF
−50
1
10
100
f − Frequency − MHz
1000
Figure 18.
SMALL-SIGNAL PULSE RESPONSE
1.2
V_S = 3.3 V,
R_L = 10 kW || 5 pF
1.1
1
Filter = Bypass
0.9
Filter = 9 MHz
0.8
Filter = 35 MHz
0.7
Filter = 16 MHz
0.6
0.5
−100
0
100 200 300 400 500 600 700
t − Time − ns
Figure 20.
SMALL-SIGNAL FREQUENCY RESPONSE WITH 1 pF
CAPACITIVE LOAD
5
0
Filter = Bypass
−5
−10
Filter = 9 MHz
−15
−20
Filter = 16 MHz
−25
−30
Filter = 35 MHz
−35
−40 _{VS = 3.3 V,}
−45 ^VO ^{= 200 mV}PP,
R_L = 10 kW || 1 pF
−50
1
10
100
f − Frequency − MHz
1000
Figure 17.
SMALL-SIGNAL FREQUENCY RESPONSE WITH 25 pF
CAPACITIVE LOAD
10
5
Filter =
Bypass
0
−5
−10 _{Filter = 9 MHz}
−15
−20 Filter = 16 MHz
−25
−30 _{Filter = 35 MHz}
−35
−40 _{VS = 3.3 V,}
−45 ^VO ^{= 200 mV}PP,
R_L = 10 kW || 25 pF
−50
1
10
100
f − Frequency − MHz
1000
Figure 19.
SLEW RATE vs OUTPUT VOLTAGE
350
V_S = 3.3 V
300 ^RL ^{= 10 KW || 5 pF}
250
Bypass
200
Filter = 35 MHz
150
Filter = 16 MHz
100
Filter = 9 MHz
50
0
0.5
0.75
1
1.25
1.5
1.75
2
V_O − Output Voltage − V_PP
Figure 21.
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