LMC568

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LMC568 数据手册

May 1999

LMC568

Low Power Phase-Locked Loop

General Description

The LMC568 is an amplitude-linear phase-locked loop con-

sisting of a linear VCO, fully balanced phase detectors, and

Features

n Demodulates 15% deviation FM/FSK signals

n Carrier Detect Output with hysteresis

n Operation to 500 kHz input frequency

™

a carrier detect output. LMCMOS technology is employed

for high performance with low power consumption.

n Low THD — 0.5% typ. for 10% deviation

The VCO has a linearized control range of 30% to allow de-

n 2V to 9V supply voltage range

n Low supply current drain

modulation of FM and FSK signals. Carrier detect is indi-

cated when the PLL is locked to an input signal greater than

26 mVrms. LMC568 applications include FM SCA and TV

second audio program decoders, FSK data demodulators,

and voice pagers.

Typical Application (100 kHz input frequency, refer to notes pg. 3)

DS009135-1

Order Number LMC568CM or LMC568CN

See NS Package Number M08A or N08E

™

LMCMOS is a trademark of National Semiconductor Corporation.

DS009135

www.national.com

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型号	品牌	获取价格	描述	数据表
LMC568CM	NSC	获取价格	Low Power Phase-Locked Loop
LMC568CMX	ETC	获取价格	Analog Phase-Locked Loop
LMC568CMX/NOPB	NSC	获取价格	IC PHASE LOCKED LOOP, PDSO8, M08A, PLL or Frequency Synthesis Circuit
LMC568CN	NSC	获取价格	Low Power Phase-Locked Loop
LMC6001	NSC	获取价格	Ultra Ultra-Low Input Current Amplifier
LMC6001	TI	获取价格	超低输入电流放大器
LMC6001A MDC	TI	获取价格	超低输入电流放大器 \| Y \| 0 \| -40 to 85
LMC6001AIH	NSC	获取价格	Ultra Ultra-Low Input Current Amplifier
LMC6001AIN	NSC	获取价格	Ultra Ultra-Low Input Current Amplifier
LMC6001AIN/NOPB	NSC	获取价格	IC OP-AMP, 700 uV OFFSET-MAX, 1.3 MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8, Operational Ampli