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參數資料
| 型號： | NJ88C33MA |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Frequency Synthesiser (I2C BUS Programmable) |
| 中文描述： | 頻率合成（I2C總線可編程） |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 155K |
| 代理商： | NJ88C33MA |
DS2429 - 3.2 September 1994
NJ88C33
Frequency Synthesiser (I
2
C BUS Programmable)
Advance Information
Fig.2 Simplified block diagram of NJ88C33
The NJ88C33 is a synthesiser circuit fabricated on Mitel
Semiconductor's 1.4 micron CMOS process, assuring very
high performance. It is I
2
C compatible and can also be
programmed at up to 5MHz. It contains a 16-bit R counter, a
12-bit N counter and a 7-bit A counter.
A digital phase comparator gives improved loop stability
with current source outputs to reduce loop components. A
voltage doubler is provided for the loop driver to improve
control voltage range to the VCO when operating at low supply
voltages.
FEATURES
I
Easy to Use
I
Low Power Consumption (15mW)
I
Single Supply 2.5V to 5.5V
I
Digital Phase Comparator with Current Source
Outputs
I
Serial (I
2
C Compatible) Programming, 5MHz max
I
Channel Loading in 8μs
I
150MHz Input Frequency Without Prescaler at 4.5V
(52MHz at 2.7V)
I
Standby Modes
I
Use of Two-Modulus Prescaler is Possible
APPLICATIONS
I
Cordless Telephones (CT2, DECT)
I
Cellular Telephones (GSM, PCN, ETACS)
I
Hand Held Marine Radios
I
Sonarbuoys
I
Video Clock generators
ABSOLUTE MAXIMUM RATINGS
Supply voltage, V
DD
Input voltage, V
Output voltage on pin 13, V
IM2
Storage temperature, T
stg
-0.3V to 7V
-0.3 to V
DD
+0.3V
-V
to 0V
-55°C to +125°C
ORDERING INFORMATION
NJ88C33 MA DP
(Industrial - Plastic DIL package)
NJ88C33 MA MP
(Industrial - Miniature Plastic DIL package)
Fig.1 Pin connections (not to scale) - top views
MP14
DP14
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| NJ88C50 | Dual Low Power Frequency Synthesiser(雙低功耗頻率合成器) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NJ88C33MADP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C33MAMP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C33MP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C50 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Dual Low Power Frequency Synthesiser |
| NJ88C50/IG/NPAS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
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