参数资料
型号: TB1245N
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: PLASTIC, SDIP-56
文件页数: 89/101页
文件大小: 1490K
代理商: TB1245N
TB1245N
2001-07-26
88
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value)
SW MODE
SUB-ADDRESS & BUS DATA
NOTE
ITEM
S21 S22 S31 S33 S34 S51
06H
MEASURING METHOD
T51
RGB Contrast Control
Characteristic
B
A
B
A
FFH
80H
00H
(1) Input 0.3 V synchronizing signal to pin 48 (Sync IN).
(2) Supply 5 V of external supply voltage to pin 22 (Analog Ys).
(3) Set bus data on drive at center value.
(4) Input TG7 sine wave signal (f = 100 kHz, video amplitude = 0.5 V)
to pin 23 (Analog R IN).
(5) While changing data on RGB contrast from maximum (FF) to
minimum (00), measure maximum and minimum amplitudes of pin
14 (R OUT) in video period. At the same time, measure video
amplitude of pin 14 when the bus data is set at the center value
(80). (Vc14mx, Vc14mn, D14c80)
(6) In the same manner as the above steps 4 and 5, measure output
signal of pin 13 with input of the same external power supply to pin
24 (Analog G IN), and measure output signal of pin 12 with input of
the same power supply to pin 25 (Analog B IN). (Vc12mx, Vc12mn,
D12c80).
(7) Find amplitude ratio between signal with maximum unicolor data
and signal with minimum unicolor data in conversion into decibel
(V13ct).
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