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參數(shù)資料
| 型號(hào)： | NJU6677CL |
| 廠商： | New Japan Radio Co., Ltd. |
| 英文描述： | 88-common x 132-segment BIT MAP LCD DRIVER |
| 中文描述： | 88共同× 132段位圖，多媒體播放器 |
| 文件頁數(shù)： | 31/45頁 |
| 文件大?。?/td> | 470K |
| 代理商： | NJU6677CL |
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NJU667
7
(b)Voltage Adjust Circuits
The boosted voltage of V
voltage of V
5
is adjusted by changing the Ra and Rb within the range of | V
5
is
calculated by the following formula.
OUT
output from V
5
through the voltage adjust circuits for LCD driving. The output
| < | V
OUT
|. The output voltage
V
LCD
= V
DD
-V
5
= (1+Rb/Ra)V
REG (1)
Fig. 3
V
DD
V
5
V
REG
R1
R2
R3
Rb
Ra
VR
The voltage of V
fine-adjusted by EVR functions mentioned in (c).
For fine-adjustment of V5, R2 as variable resistor, R1 and R3 as fixed constant should be connected to V
terminal, VR and V
5,
as shown in Fig.3.
REG
is a standard voltage produced from built-in bleeder resistance. V
REG
is possible to be
DD
[ Design example for R1, R2 and R3 / Reference ]
- R1+R2+R3=5M
(Determined by the current flown between V
- Variable voltage range by the R2. -6V to -7.5V (V
(Determined by the LCD electrical characteristics)
- V
REG
=3V(In case of EVR=(FF)
H
)
- R1, R2 and R3 are calculated by above conditions and the formula of (1) to below;
R1=2.0M
, R2=0.5M
, R3=2.5M
DD
-V
5
)
LCD
=V
DD
-V
5
--> 9.0V to 10.5V)
* If the power supply voltage between V
voltage should be stabilized for V
5
DD
and V
stable operation.
SS
changes, V
5
changes too. Therefore the power supply
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| NJU6678 | Adjustable Precision Micropower Shunt Voltage Reference, 1.0% accuracy 3-TO-92 -40 to 85 |
| NJU6678CL | Adjustable Precision Micropower Shunt Voltage Reference, 1.0% accuracy 3-TO-92 -40 to 85 |
| NJU6679CL | 128-common x 132-segment BIT MAP LCD DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJU6678 | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:104-common x 132-segment BIT MAP LCD DRIVER |
| NJU6678CL | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:104-common x 132-segment BIT MAP LCD DRIVER |
| NJU6678VACL-G-CT2 | 功能描述:LCD 驅(qū)動(dòng)器 104 com x 132 seg Bit Map LCD Driver RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| NJU6678VBH-04 | 功能描述:LCD 驅(qū)動(dòng)器 104Com x 132Seg RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| NJU6679 | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:128-common x 132-segment BIT MAP LCD DRIVER |
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