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參數資料
| 型號： | LX1801 |
| 廠商： | MICROSEMI CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPARK for MED427A-1 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, UUC10 |
| 封裝： | BARE, DIE-10 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 169K |
| 代理商： | LX1801 |
Microsemi
Carlsbad Division
5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541
1
Copyright
2001
Rev. 0.2b, 2002-06-17
W
M
.
C
LX1801
"SPARK" for MED427A-1
TARGET DATASHEET
CARLSBAD DIVISION
DESCRIPTION
The MSC-LX1801 is the IC1 "Spark" for the MED427A-1 module. The "Spark"
chip has an oscillator, a voltage doubler, and a level shifter. The oscillator is a
"555" timer variant where the external resistor (Rref) determines the frequency.
The voltage doubler increases the output (OUT) of the oscillator by a factor of 2
(times VDDLO). The voltage doubler also provides a single output voltage if
disabled (EN2x). This level shifter shifts voltage inputs from the lower voltage
(VDDlo) to the higher voltage (VDDhi).
IMPORTANT:
For the most current data, consult
MICROSEMI
’s website:
http://www.microsemi.com
BLOCK DIAGRAM
Simplified Block Diagram
PACK AGE ORDER INFO
T
J
(
°
C)
10 to 55
Package Number
LX1801
K EY FE AT URES
Low peak current
consumption: <2mA
3V operation
Small form factor:
1.45mm
2
Double/single output voltage
option
Solder bumped die
L
X
1
8
0
1
EN2X
OUThi
VSS
Ref
Oscillator
ENlo
VDDlo
OUTlo
R
REF
ENhi
Level
Shifter
Voltage
Doubler
2x
VDDlo
VDDhi
VSS
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