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LM1236 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM1236
Description  150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD ROM, 512 Character RAM and 4 DACs
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM1236 Datasheet(HTML) 4 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
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 Active
ABL Input Bias Current during
ABL
(Note 12), Test Setting 4, AC input
signal. V
ABL =VABL MIN GAIN
µA
I
ABL Max
ABL Input Current Sink Capability (Note 12), Test Setting 4, AC input
signal.
1.0
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.
4.5
%
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 11
Palette Set at 111, OSD Contrast =
11, Test Setting 3
4.5
V
V
OSDHIGH 10
Maximum OSD Level with OSD
Contrast 10
Palette Set at 111, OSD Contrast =
10, Test Setting 3
3.9
V
V
OSDHIGH 01
Maximum OSD Level with OSD
Contrast 01
Palette Set at 111, OSD Contrast =
01, Test Setting 3
3.2
V
V
OSDHIGH 00
Maximum OSD Level with OSD
Contrast 00
Palette Set at 111, OSD Contrast =
00, Test Setting 3
2.4
V
∆V
OSD (Black)
Difference between OSD Black
Level and Video Black Level (same
channel)
Register 08=0x18, Input Video =
Black, Same Channel, Test Setting
8
20
mV
∆V
BL,OSD-Video
(Ch-Ch)
Difference between OSD Black
Level and Video Black Level
between any two channels
Register 08=0x18, Input Video =
Black, Same Channel, Same
Channel, Test Setting 8
20
mV
∆V
OSD (White)
Output Match between Channels
Palette Set at 111, OSD Contrast =
11, Maximum difference between R,
G, and B
3%
∆V
OSD/VVideo
(White)
Matching of OSD to Video peak to
peak amplitude ratios between
channels, normalized to the
smallest ratio.
Palette Set at 111, OSD Contrast =
10, Test Setting 4
3%
V
OSD-out (Track)
Output Variation between Channels OSD contrast varied from max to
min
3%
www.national.com
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