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LM1276AAA データシート(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM1276AAA
部品情報  150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1276AAA データシート(HTML) 5 Page - National Semiconductor (TI)

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Video Signal Electrical Characteristics (Continued)
Unless otherwise noted: T
A = 25˚C, VCC = +5.0V, VIN = 0.70 VP-P,VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. Setting
numbers refer to the definitions in Table 1. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
A
V G-50%
Gain Attenuation @ 50%
Test Setting 6, AC input signal.
−4.0
dB
A
V G-Min
Maximum Gain Attenuation
Test Setting 7, AC input signal.
−11
dB
A
V Match
Maximum Gain Match between
Channels
Test Setting 3, AC input signal.
±0.5
dB
A
V Track
Gain Change between Channels
Tracking when changing from Test
Setting 8 to Test Setting 5. See (Note
11).
±0.5
dB
Vid
Threshold
Video Threshold
Normal Operation
80
mV
V
ABL TH
ABL Control Range Upper Limit
(Note 12), Test Setting 4, AC input
signal.
4.8
V
V
ABL Range
ABL Gain Reduction Range
(Note 12), Test Setting 4, AC input
signal.
2.8
V
A
V 3.5/AV Max
ABL Gain Reduction at 3.5V
(Note 12), Test Setting 4, AC input
signal. V
ABL = 3.5V
−2
dB
A
V 2.0/AV Max
ABL Gain Reduction at 2.0V
(Note 12), Test Setting 4, AC input
signal. V
ABL = 2.0V
−12
dB
I
ABL Max
ABL Input Current Sink Capability (Note 12), Test Setting 4, AC input
signal.
2.5
mA
V
ABL Max
Maximum ABL Input Voltage
during Clamping
(Note 12), Test Setting 4, AC input
signal. I
ABL =IABL MAX
V
CC +
0.1
V
A
V ABL Track
ABL Gain Tracking Error
(Note 9), Test Setting 4, 0.7 V
P-P
input signal, ABL voltage set to 4.5V
and 2.5V.
5.0
%
R
IP
Minimum Input Resistance (pins
5, 6, 7)
Test Setting 4.
20
M
OSD Electrical Characteristics
Unless otherwise noted: T
A = 25˚C, VCC = +5.0V. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OSDHIGH max
Maximum OSD Level with OSD
Contrast 111
Palette Set at 111, OSD Contrast =
111, Test Setting 3
3.02
V
V
OSDHIGH 110
Maximum OSD Level with OSD
Contrast 110
Palette Set at 111, OSD Contrast =
110, Test Setting 3
2.91
V
V
OSDHIGH 101
Maximum OSD Level with OSD
Contrast 101
Palette Set at 111, OSD Contrast =
01, Test Setting 3
2.79
V
V
OSDHIGH 100
Maximum OSD Level with OSD
Contrast 100
Palette Set at 111, OSD Contrast =
100, Test Setting 3
2.67
V
V
OSDHIGH 011
Maximum OSD Level with OSD
Contrast 011
Palette Set at 111, OSD Contrast =
011, Test Setting 3
2.55
V
V
OSDHIGH 010
Maximum OSD Level with OSD
Contrast 010
Palette Set at 111, OSD Contrast =
010, Test Setting 3
2.43
V
V
OSDHIGH 001
Maximum OSD Level with OSD
Contrast 001
Palette Set at 111, OSD Contrast =
001, Test Setting 3
2.32
V
V
OSDHIGH 000
Maximum OSD Level with OSD
Contrast 000
Palette Set at 111, OSD Contrast =
000, Test Setting 3
2.20
V
∆V
OSD (Black)
Difference between OSD Black
Level and Video Black Level (same
channel)
Register 0x8438=0x18, Input Video
= Black, Same Channel, Test
Setting 8
±130
mV
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