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: 92/101页
文件大小: 1490K
代理商: TB1245N
TB1245N
2001-07-26
90
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
01H 06H
MEASURING METHOD
T54
Analog RGB Dynamic
Range
B
A
B
A
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 so that contrast is minimum and drive is set at center
value.
(4) While inputting stepping signal to pin 24 (Analog G IN), increase
video amplitude gradually from 0.
(5) Measure video amplitude of pin 24 when video voltage of pin 13 (G
OUT) does not change.
T55
RGB Brightness
Control Characteristic
FFH
00H
T56
RGB Brightness
Center Voltage
80H
T57
RGB Brightness Data
Sensitivity
(1) Short circuit pin 31 (Y IN), pin 33 (B-Y IN) and pin 34 (R-Y IN) in
AC coupling.
(2) Input 0.3 V synchronizing signal to pin 48 (Sync IN).
(3) Set bus data on RGB cutoff at center value.
(4) Supply 5 V of external supply voltage to pin 22 (Analog Ys).
(5) While changing data brightness from maximum to minimum,
measure maximum and minimum voltages of pin 13 (G OUT) in
video period. (max : Vbrmx, min : Vbrmn)
(6) Set bus data on brightness at center value and measure video
voltage of pin 13 (G OUT) (Vbcnt).
(7) On the condition that bus data with which Vbrmx is obtained in
measurement of the above step 5 is Dbrmx and bus data with
which Vbrmn is obtained in measurement of the above step 5 is
Dbrmn, calculate sensitivity of brightness data (Vbrt).
Vbrt = (Vbrmx Vbrmn) / (Dbrmx Dbrmn)
T58
Analog RGB Mode
ON Voltage
80H
(1) Input TG7 sine wave signal (f = 100 kHz, video amplitude = 0.3 V)
to pin 23 (Analog R IN).
(2) Supply 5 V of external supply voltage to pin 22 (Analog Ys) and
raise the voltage gradually from 0 V.
(3) Measure voltage at pin 22 when signal 1 is output from pin 14 (R
OUT) (Vanath).
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