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參數(shù)資料
| 型號(hào)： | AS2591 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 16-Digit LCD Driver CMOS Integrated Circuit |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁(yè)數(shù)： | 9/10頁(yè) |
| 文件大?。?/td> | 74K |
| 代理商： | AS2591 |
Preliminary
AS2591
Rev. 1.0
Page 9
May 1999
Electrical Characteristics
Absolute Maximum Ratings
*
Supply Voltage...............................................................................................................................-0.3
≤
V
DD
≤
7V
Input Current..........................................................................................................................................+/- 25 mA
Input Voltage.....................................................................................................................-0.3V
≤
V
IN
≤
V
DD
+ 0.3V
Electrostatic Discharge...........................................................................................................................+/- 1000V
Storage Temperature Range........................................................................................................... -65 to +125°C
Total Power Dissipation ............................................................................................................................500mW
*Exceeding these figures may cause permanent damage. Functional operation under these conditions is not permitted.
Recommended Operating Range
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
DD
Operating Voltage
3.2
4.0
4.8
V
V
LCD
LCD Reference Voltage
2.5
3.0
3.5
V
T
AMB
Ambient Operating Temp. Range
-25
+70
°C
f
OSC
Oscillator Frequency
32.768
kHz
DC Characteristics
Recommended operating conditions unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.*
Max.
Units
I
DD
Operating Supply Current
Unloaded
150
μA
I
DD0
Idle Current
Idle mode, oscillator not running
1
μA
V
33
Contrast Output Voltage at
COM1-4 and S1-2_n Pins
V
LCD
= 3.27V
Contrast voltage low
Contrast voltage middle
Contrast voltage high
2.83
2.97
3.09
V
V
V
V
IL
Input Low Voltage
V
SS
0.3 V
DD
V
V
IH
Input High Voltage
0.7 V
DD
V
DD
V
* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
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