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LM1229YA データシート(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM1229YA
部品情報  I2C Compatible CMOS TV RGB and Deflection Processor
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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)

LM1229YA データシート(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 = 10 pF, Video Outputs = 2.4 VP-P. See
(Note 7) for Min and Max parameters and (Note 6) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
A
V MIN GAIN/
A
V MAX GAIN
Maximum gain attenuation.
Maximum contrast, V
ABL = 5.0V.
–12
dB
A
V MATCH
Maximum gain match between
channels.
Maximum contrast, V
ABL = 5.0V.
±0.6
dB
A
V TRACK
Gain tracking channel to channel. AC input signal. See (Note 11).
±0.6
dB
V
ABL HIGH
ABL control range upper limit.
(Note 12), AC input signal.
4.5
V
V
ABL LOW
ABL control range lower limit.
(Note 12), AC input signal.
2.5
V
A
V 2.5/AV MAX
ABL Gain Reduction at V
ABL =
2.5V.
(Note 12), AC input signal.
−5.8
dB
I
ABL ACTIVE
ABL input bias current during
ABL.
(Note 12), AC input signal. V
ABL =
2.5V
10
µA
I
ABL MAX
ABL input current sink capability.
(Note 12), AC input signal.
1.0
mA
A
V ABL TRACK
ABL channel to channel gain
tracking error.
Input signal = 0.7 V
P-P, ABL voltage
set to 4.5V and 3.0V.
0
7.5
%
R
IP
Minimum input resistance (pins
45, 46, 47)
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
DIGITAL MODE
V
LOW
Maximum low input voltage,
(OSD and Enable).
Enable: video inputs selected
OSD: OSD black displayed
1.0
V
V
HIGH
Minimum high input voltage,
(OSD and Enable).
Enable: OSD inputs selected
OSD: OSD colors displayed
3.0
V
V
OSD-11
OSD output amplitude.
OSD Enable = 1, OSD Contrast =
11.
2.65
V
V
OSD-10
OSD output amplitude.
OSD Enable = 1, OSD Contrast =
10.
2.35
V
V
OSD-01
OSD output amplitude.
OSD Enable = 1, OSD Contrast =
01.
2.15
V
V
OSD-00
OSD output amplitude.
OSD Enable = 1, OSD Contrast =
00.
1.75
V
V
OSD-AUX
OSD output amplitude (AUX).
OSD Enable = 1, OSD[5] = 1
3.0
V
∆V
OSD BLACK
Difference between OSD and video
black levels.
Same channel, contrast and gain =
0x60
−85
100
mV
∆V
OSD WHITE
Output Match between channels.
OSD Contrast = 11, maximum
difference between R, G and B
3%
V
OSD TRACK
Output Variation between channels. OSD contrast varied from max to
min
3%
HT
MAX
OSD background video maximum
level.
OSD[3] = 1, OSD TRANS = 0x7F.
See (Note 18).
100
%
HT
MIN
OSD background video minimum
level.
OSD[3] = 1, OSD TRANS = 0x00.
See (Note 18).
10
%
ANALOG MODE
A
V ANALOG OSD
Analog gain from pins 41, 42, 43 to
the video outputs, with input level
0.7 V
PP.
OSD Enable = 1, Gains at
maximum.
3.75
V/V
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4


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