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參數(shù)資料
| 型號： | EM65160 |
| 英文描述： | Synchronous Rectified MOSFET Driver; Temperature Range: -40°C to 85°C; Package: 8-QFN |
| 中文描述： | 圖形STN液晶顯示器驅(qū)動 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 726K |
| 代理商： | EM65160 |
EM65160
160 COM/SEG Dot Matrix LCD Driver
* This specification are subject to be changed without notice.
6/27/2002 (V1.1)
11
Drive by Operation Amplifier
In graphic display, the size of the LCD becomes larger and the display duty ratio becomes smaller, so the stability of LCD
drive voltage level is more important than in small display system.
Since the LCD for graphic display is large and has many picture elements, the load capacitance becomes large. The high
impedance of the power supply for LCD drive produces distortion in the drive waveforms, and degrades display quality. For
this reason, the LCD drive voltage level impedance should be reduced with operational amplifier. (Figure 17)
Range of Operating Voltage: V0
It is necessary to set the voltage for V0 within the VDD operating voltage range shown in the diagram below.
Operating voltage range
2.0
2.5
10
20
30
40
42
3.0
4.0
5.0
5.5
VDD (V)
V0(V)
Figure-11 Operating Voltage Range (VDD-VO)
Absolute Maximum ratings
Table-6 Absolute Maximum Ratings
Parameter
Symbol
Conditions
Applicable pins
Ratings
Unit
Supply voltage (1)
VDD
-0.3 to +7.0
V
V0
V0L, V0R
-0.3 to +45.0
V
V12
V12L, V12R
-0.3 to V0+0.3
V
Supply voltage (2)
V43
V43L, V43R
-0.3 to V0+0.3
V
Input voltage
VI
Ta=25℃
Referenced to
VSS (0V)
DI0-7, XCK, LP, DIR, FR, MD, S/C, EIO1,
EIO2, /DSPOF
-0.3 to VDD+0.3
V
Storage temperature
Tstg
-45 to +125
℃
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