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LM1276 データシート(PDF) 6 Page - Texas Instruments

部品番号 LM1276
部品情報  Compatible RGB Preamplifier
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM1276 データシート(HTML) 6 Page - Texas Instruments

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OBSOLETE
LM1276
SNOSAB9B – MAY 2005 – REVISED APRIL 2013
www.ti.com
Electrical Characteristics - OSD
Unless otherwise noted: TA = 25°C, VCC = +5.0V. See
(1) for Min and Max parameters and (2) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VOSDHIGH max
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
3.02
V
Contrast 111
111, Test Setting 3
VOSDHIGH 110
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.91
V
Contrast 110
110, Test Setting 3
VOSDHIGH 101
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.79
V
Contrast 101
01, Test Setting 3
VOSDHIGH 100
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.67
V
Contrast 100
100, Test Setting 3
VOSDHIGH 011
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.55
V
Contrast 011
011, Test Setting 3
VOSDHIGH 010
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.43
V
Contrast 010
010, Test Setting 3
VOSDHIGH 001
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.32
V
Contrast 001
001, Test Setting 3
VOSDHIGH 000
Maximum OSD Level with OSD
Palette Set at 111, OSD Contrast =
2.20
V
Contrast 000
000, Test Setting 3
ΔVOSD (Black)
Difference between OSD Black Level
Register 0x8438=0x18, Input Video =
±130
mV
and Video Black Level (same channel) Black, Same Channel, Test Setting 8
ΔVOSD-black
Difference between OSD Black Level
Register 0x8438=0x18, Input Video =
(Track)
and Video Black Level between any 2
Black, Same Channel, Test Setting 8
±115
mV
channels
ΔVOSD (White)
Output Match between Channels
Palette Set at 111, OSD Contrast =
11, Maximum difference between R, G
3
%
and B
VOSD-out (Track)
Output Variation between Channels
OSD contrast varied from max to min
3
%
(1)
Data sheet min/max specification limits are specified by design, test, or statistical analysis. The ensured specifications apply only for the
test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions.
(2)
Typical specifications are specified at +25°C and represent the most likely parametric norm.
Electrical Characteristics - DAC Output
Unless otherwise noted: TA = 25°C, VCC = +5.0V, VIN = 0.7V, VABL = VCC, CL = 8 pF, Video Outputs = 2.0 VP-P. See
(1) for Min
and Max parameters and see
(2) for Typicals. DAC parameters apply to all 4 DACs.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VMin DAC
Min Output Voltage of DAC
Register Value = 0x00
0.5
0.7
V
VMax DAC
Max Output Voltage of DAC
Register Value = 0xFF,
3.7
4.2
V
Mode 00
DCF[1:0] = 00b
VMax DAC
Max Output Voltage of DAC in DCF
Register Value = 0xFF,
1.85
2.35
V
Mode 01
Mode 01
DCF[1:0] = 01b
ΔVMax DAC (Temp)
DAC Output Voltage Variation with
0 < T < 70°C ambient
±0.5
mV/°C
Temperature
ΔVMax DAC (VCC)
DAC Output Voltage Variation with
VCC varied from 4.75V to 5.25V, DAC
50
mV
VCC
register set to mid-range (0x7F)
Linearity
Linearity of DAC over its Range
5
%
Monotonicity
Monotonicity of the DAC Excluding
±0.5
LSB
Dead Zones
IMAX
Max Load Current
−1.0
1.0
mA
(1)
Data sheet min/max specification limits are specified by design, test, or statistical analysis. The ensured specifications apply only for the
test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions.
(2)
Typical specifications are specified at +25°C and represent the most likely parametric norm.
6
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM1276


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