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參數(shù)資料
| 型號： | LA76832N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC I2C Bus Control IC |
| 中文描述： | 單片線性集成電路I2C總線控制IC |
| 文件頁數(shù)： | 13/39頁 |
| 文件大小： | 398K |
| 代理商： | LA76832N |
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LA76832N
No.0069-13/39
Continued from preceding page.
Parameter
Symbol
Test
point
Input
signal
L-0
Test method
Bus bit/input signal
Measure the output signal’s 0IRE DC level
(BRTPL V).
Measure the output signal’s 0IRE DC level
(DRVPH V) and 100IRE amplitude (DRVH Vp-p)
and calculate ClampG = 100
×
(1+ (DRVPH-
BRTPL)/DRVH).
Obtain the time difference (the delay time) from
when the rise of the input signal's 50IRE amplitude
to the output signal's 50IRE amplitude.
Obtain the time difference (the delay time) from
when the rise of the input signal's 50IRE amplitude
to the output signal's 50IRE amplitude.
Obtain the time difference (the delay time) from
when the rise of the input signal's 50IRE amplitude
to the output signal's 50IRE amplitude.
Obtain the time difference (the delay time) from
when the rise of the input signal's 50IRE amplitude
to the output signal's 50IRE amplitude.
Measure the 0IRE DC level (BKST1 V) at point A of
the output signal in the Black Stretch Defeat (Black
Stretch OFF) mode.
Measure the 0IRE DC level (BKST2 V) at point A of
the output signal in the Black Stretch ON mode.
Calculate BKSTmax = 2
×
50
×
(BKST1-BKST2)
/CNTHB.
Measure the 60IRE DC level (BKST3 V) of the
output signal in the Black Stretch Defeat ON mode.
Measure the 60IRE DC level (BKST4 V) of the
output signal in the Black Stretch Defeat (Black
Stretch OFF) mode.
Calculate BKSTTH
=
50
×
(BKST4-BKST3)/CNTHB.
With the input signal’s continuous wave = 2.2MHz,
measure the output signal’s continuous wave
amplitude (F00S31 Vp-p).
Calculate Sharp31 = 20Log (F00S31/PEAKDC).
Brightness : 0000000
CONTRAST : 1111111
Brightness : 0000000
CONTRAST : 1111111
DC transmission amount
ClampG
21
L-100
Y-DL TIME1 (SVHS)
TdY1
21
L-50
FILTER SYS : 0100
Y-DL TIME2 (PAL)
TdY2
21
L-50
FILTER SYS : 0010
Y-DL TIME3 (NTSC)
TdY3
21
L-50
FILTER SYS : 0000
Y-DL TIME4 (SECAM)
TdY4
21
L-50
FILTER SYS : 1000
Blk Str DEF : 0
Maximum black
stretch gain
BKSTmax
21
L-BK
Blk Str DEF : 0
Black stretch
threshold
black
(60IRE
black)
BKSTTH
21
L-60
FILTER SYS : 0000
Sharpness : 100000
(normal)
Sharp31
L-CW
With the input signal’s continuous wave = 2.2MHz,
measure the output signal’s continuous wave
amplitude (F00S63 Vp-p).
Calculate Sharp63 = 20Log (F00S63/PEAKDC).
FILTER SYS : 0000
Sharpness : 111111
(max)
Sharp63
L-CW
With the input signal’s continuous wave = 2.2MHz,
measure the output signal’s continuous wave
amplitude (F00S0 Vp-p).
Calculate Sharp0 = 20Log (F00S0/PEAKDC).
FILTER SYS : 0000
Sharpness : 000000
Sharpness
variability
characteristics
(min)
Sharp0
21
L-CW
Horizontal/vertical blanking
output level
[OSD block]
RGBBLK
21
L-100
Measure the DC level (RGBBLK V) for the output
signal’s blanking period.
Bus control bit conditions :
Contrast=63, Brightness=63
Apply voltage to pin 17 and measure the voltage at
pin 17 at the point where the output signal switches
to the OSD signal.
Measure the output signal’s 50IRE amplitude
(CNTCR Vp-p).
Measure the OSD output amplitude
(OSDHR Vp-p).
Calculate ROSDH = 50
×
(OSDHR/CNTCR).
Contrast : 0111111
Brightness : 0111111
Pin 16A : O-2 applied
OSD Fast SW threshold
FSTH
21
L-0
O-2
L-50
L-0
O-2
Pin 17 : 3.5V
Pin 14A : O-2 applied
Continued on next page.
Red RGB output level
ROSDC
19
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