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THS7353 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. THS7353
Description  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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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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THS7353 Datasheet(HTML) 4 Page - Texas Instruments

 
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THS7353
SLOS484 – NOVEMBER 2005
ELECTRICAL CHARACTERISTICS, V
S+ = 3.3 V (continued)
R
L = 150 Ω to GND, Filter Select = 9 MHz, Input Bias = dc, Gain Adjust pin shorted to the output pin (unless otherwise noted)
TYP
OVERTEMPERATURE
PARAMETER
TEST CONDITIONS
–40
°C to
25
°C
25
°C
0
°C to 70°C
UNITS
MIN/MAX
85
°C
Filter Select = 9 MHz, 480i source
83
dB
Signal to noise ratio (unified
Filter Select = 16 MHz, 480p source
81
dB
weighting per CCIR 576-2
Filter Select = 35 MHz, 720p source
78
dB
recommendation)
Filter Select = Bypass(2), 720p source
66
dB
Filter Select = 9 MHz: at 1 MHz
–70
dB
Filter Select = 16 MHz: at 1 MHz
–73
dB
Channel-to-Channel
Crosstalk (VO = 1 VPP)
Filter Select = 35 MHz: at 1 MHz
–78
dB
Filter Select = Bypass: at 1 MHz
–84
dB
Filter Select = 9 MHz: at 5.1 MHz
75
dB
Filter Select = 16 MHz: at 11 MHz
74
dB
MUX Isolation
Filter Select = 35 MHz: at 27 MHz
74
dB
Filter Select = Bypass: at 60 MHz
75
dB
Output impedance
f = 10 MHz
0.8
DC PERFORMANCE
Output offset voltage
Bias = dc
20
70
80
85
mV
Max
Average offset voltage drift
Bias = dc
20
µV/°C
Bias = dc + 250 mV, VI = 0 V
250
230/270
210/290
200/300
mV
Min/Max
Bias output voltage
Bias = ac
1.05
0.9/1.2
0.85/1.25
0.85/1.25
V
Min/Max
Sync tip clamp voltage
Bias = ac STC, clamp voltage
250
190/310
180/320
175/325
mV
Min/Max
Input bias current
Bias = dc - implies Ib out of the pin
–0.6
–4
–5
–5
µA
Max
Average bias current drift
Bias = dc
10
nA/
°C
Bias = ac STC, low bias
1.6
0.6/3.3
0.5/3.5
0.4/3.6
µA
Min/Max
Sync tip clamp bias current
Bias = ac STC, mid bias
5.8
4.3/8.2
4.1/8.4
4/8.5
µA
Min/Max
Bias = ac STC, high bias
7.4
6.2/10.8
6/11
5.9/11.1
µA
Min/Max
INPUT CHARACTERISTICS
Input voltage range
Bias = dc - ensured by output
0/2.1
0/1.8
0/1.7
0/1.6
V
Min/Max
Bias = ac bias mode
21
k
Input resistance
Bias = dc, dc + 250 mV, ac STC
3
M
Input capacitance
2
pF
OUTPUT CHARACTERISTICS
RL = 150 Ω to Midrail
2.1
V
High output voltage swing
RL = 150 Ω to GND
2.1
1.8
1.7
1.6
V
Min
(limited by input voltage with
RL = 75 Ω to Midrail
2.1
V
gain = 0 dB)
RL = 75 Ω to GND
2.1
V
RL = 150 Ω to Midrail
0.14
0.24
0.27
0.28
V
Max
RL = 150 Ω to GND
0.09
0.17
0.2
0.21
V
Max
Low output voltage swing
RL = 75 Ω to Midrail
0.24
0.33
0.36
0.37
V
Max
RL = 75 Ω to GND
0.09
0.17
0.2
0.21
V
Max
RL = 10 Ω to GND, sourcing
70
mA
Output current
RL = 10 Ω to Midrail, sinking
70
45
42
40
mA
Min
(2)
Bandwidth up to 100-MHz, No Weighting, Tilt Null
4


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