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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)： | 14/39頁 |
| 文件大小： | 398K |
| 代理商： | LA76832N |
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LA76832N
No.0069-14/39
Continued from preceding page.
Parameter
Symbol
Test
point
Input
signal
L-50
Test method
Bus bit/input signal
Measure the output signal’s 50IRE amplitude
(CNTCG Vp-p).
Measure the OSD output amplitude
(OSDHG Vp-p).
Calculate GOSDC = 50
×
(OSDHG/CNTCG).
Measure the output signal’s 50IRE amplitude
(CNTCB Vp-p).
Measure the OSD output amplitude
(OSDHB Vp-p).
Calculate BOSDC = 50
×
(OSDHB/CNTCB)
Measure the amplitudes at point A (0.35V portion
of the input signal 0-1) and point B (0.7V portion of
the input signal 0-1) of the output signal. Assign the
measured values to RGBLR Vp-p and RGBHR
Vp-p, respectively.
Calculate RRGB = RGBLR/CNTCR.
Calculate LRRGB = 100
×
(RGBLR/RGBHR).
Measure the amplitudes at point A (0.35V portion
of the input signal 0-1) and point B (0.7V portion of
the input signal 0-1) of the output signal. Assign the
measured values to RGBLG Vp-p and RGBHG
Vp-p, respectively.
Calculate GRGB = RGBLG/CNTCG.
Calculate LGRGB = 100
×
(RGBLG/RGBHG).
Measure the amplitudes at point A (0.35V portion
of the input signal 0-1) and point B (0.7V portion of
the input signal 0-1) of the output signal. Assign the
measured values to RGBLB Vp-p and RGBHB
Vp-p, respectively.
Calculate BRGB = RGBLB/CNTCB.
Calculate LBRGB = 100
×
(RGBLB/RGBHB).
Bus control bit conditions : Contrast = 127
L-0
O-2
Pin 17 : 3.5V
Pin 15A : O-2 applied
Green RGB output level
GOSDC
20
L-50
L-0
O-2
Pin 17 : 3.5V
Pin 16A : O-2 applied
Blue RGB output level
BOSDC
21
19
L-0
O-1
Pin 17 : 3.5V
Pin 14A : O-1 applied
Gain match
RRGB
LRRGB
Analog
OSD R
output
level
linearity
20
L-0
O-1
Pin 17 : 3.5V
Pin 15A : O-1 applied
Gain match
GRGB
LGRGB
Analog
OSD G
output
level
linearity
21
L-0
O-1
Pin 17 : 3.5V
Pin 16A : O-1 applied
Gain match
BRGB
LBRGB
Analog
OSD B
output
level
linearity
[RGB output block]
(Cutoff, drive block)
Brightness
control
Contrast : 1111111
Measure the 0IRE DC levels of the respective
output signals of R output (19), G output (20), and
B output (21). Assign the measured values to
BRTPCR, BRTPCG, and BRTPCB V, respectively.
Calculate
BRT63 = (BRTPCR+BRTPCG+BRTPCB) /3.
Measure the 0IRE DC level of the output signal of
B output (21) and assign the measured value to
BRTPHB.
Calculate BRT127 = 50
×
(BRTPHB-BRTPCB)/CNTHB.
Measure the 0IRE DC level of the output signal of
B output (21) and assign the measured value to
BRTPLB.
Calculate BRT0 = 50
×
(BRTPLB-BRTPCB)/CNTHB.
Brightness : 01111111
(normal)
BRT63
19
20
21
L-0
Brightness : 1111111
(max)
BRT127
Brightness : 0000000
(min)
BRT0
21
Continued on next page.
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