Datasheet > LUCDA4044

LUCDA4044

更新时间： 2024-11-20 22:30:59

品牌	Logo	应用领域
杰尔 - AGERE		/
页数	文件大小	规格书
6页	208K
描述
Phase Frequency Detector

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数据手册

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LUCDA4044 数据手册

Preliminary Data Sheet

August 1998

LUCDA4044 Phase Frequency Detector

Features

Applications

■ Typical propagation delay 9.0 ns (through phase

detector)

■ Frequency synthesizers

■ Clock recovery

■ Includes charge pump and amplifier

■ Available in 14-pin DIP or SONB

Description

The LUCDA4044 consists of two digital phase detec-

tors, a charge pump, and an amplifier. In combination

with a voltage-controlled multivibrator, this device is

useful in a broad range of phase-locked loop (PLL)

applications. The circuit accepts TTL waveforms at

the R and V inputs and generates an error voltage

that is proportional to frequency and/or phase differ-

ence.

V^CC

PHASE

FREQUENCY

DETECTOR

PHASE

FREQUENCY

DETECTOR

CHARGE

PUMP

Phase detector #1 is intended for use in systems

requiring zero frequency and phase at lock. Phase

detector #2 is used if quadrature lock is desired.

Phase detector #2 can also be used to indicate that

the main loop (utilizing phase detector #1) is out of

lock. This LUCDA4044 is a direct replacement for the

Motorola* MC4044.

AIN

AOU

GND

12-3519F

Figure 1. Functional Diagram

* Motorola is a registered trademark of Motorola Inc.

12 3 4 5 6

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