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LM565CN 参数 Datasheet PDF下载

LM565CN图片预览
型号: LM565CN
PDF下载: 下载PDF文件 查看货源
内容描述: 锁相环 [Phase Locked Loop]
分类和应用:
文件页数/大小: 11 页 / 436 K
品牌: NSC [ NATIONAL SEMICONDUCTOR ]
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LM565/LM565C Phase Locked Loop
May 1999
LM565/LM565C
Phase Locked Loop
General Description
The LM565 and LM565C are general purpose phase locked
loops containing a stable, highly linear voltage controlled os-
cillator for low distortion FM demodulation, and a double bal-
anced phase detector with good carrier suppression. The
VCO frequency is set with an external resistor and capacitor,
and a tuning range of 10:1 can be obtained with the same
capacitor. The characteristics of the closed loop
system — bandwidth, response speed, capture and pull in
range — may be adjusted over a wide range with an external
resistor and capacitor. The loop may be broken between the
VCO and the phase detector for insertion of a digital fre-
quency divider to obtain frequency multiplication.
The LM565H is specified for operation over the −55˚C to
+125˚C military temperature range. The LM565CN is speci-
fied for operation over the 0˚C to +70˚C temperature range.
n
0.2% linearity of demodulated output
n
Linear triangle wave with in phase zero crossings
available
n
TTL and DTL compatible phase detector input and
square wave output
n
Adjustable hold in range from
±
1% to
>
±
60%
Applications
n
n
n
n
n
n
n
n
n
n
n
Data and tape synchronization
Modems
FSK demodulation
FM demodulation
Frequency synthesizer
Tone decoding
Frequency multiplication and division
SCA demodulators
Telemetry receivers
Signal regeneration
Coherent demodulators
Features
n
200 ppm/˚C frequency stability of the VCO
n
Power supply range of
±
5 to
±
12 volts with 100 ppm/%
typical
Connection Diagrams
Metal Can Package
Dual-in-Line Package
DS007853-2
DS007853-3
Order Number LM565H
See NS Package Number H10C
Order Number LM565CN
See NS Package Number N14A
© 1999 National Semiconductor Corporation
DS007853
www.national.com