Datasheet > MC44CC375AVEFR2

MC44CC375AVEFR2

更新时间： 2024-01-26 17:04:40

品牌	Logo	应用领域
恩智浦 - NXP		商用集成电路
页数	文件大小	规格书
16页	307K
描述
Consumer Circuit

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MC44CC375AVEFR2 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.81
Is Samacsys：	N	商用集成电路类型：	CONSUMER CIRCUIT
Base Number Matches：	1

MC44CC375AVEFR2 数据手册

Document Number: MC44CC375AV

Rev 1, 11/2008

Freescale Semiconductor

PLL Tuned VHF (Channel 3 / 4)

Audio / Video Modulator

MC44CC375AV

The MC44CC375 CMOS RF modulator is the latest generation of the legacy

MC44BC375 products.

The MC44CC375AV is an audio/video RF modulator for use in VCRs, set-top

boxes, and similar devices. It is designed for applications requiring US broad-

cast, channel 3 or channel 4, RF outputs.

A programmable Phase-Locked Loop (PLL) tunes the modulator, and the de-

sired channel 3 or 4 frequency is selected using the external package pin, Chan-

nel Selection (CHS). No external tank circuit components are required, reducing

the sensitivity of the PCB design and the need for external adjustments. The PLL

obtains its reference from a 4.0 MHz crystal oscillator.

PLL TUNED VHF

(CHANNEL 3/4)

AUDIO/VIDEO MODULATOR

The sound oscillator can be turned ON and OFF by the external package pin

Sound Oscillator Control (SOC). A fixed Picture to Sound ratio of 12 dB and

4.5 MHz sound subcarrier are used for MC44CC375AV. A low-power standby

mode is selectable via the pin, Power Save (PSAVE), which turns off all internal

VCOs and mixers.

Also included in this new generation CMOS RF modulator is the Sound Auxil-

iary Input, pin AUX, which bypasses the sound FM modulator. This direct sound

RF modulator has found more and more applications in BTSC stereo systems.

EF SUFFIX

SOIC 16 PACKAGE

CASE 751B-05

•

U.S. broadcast frequency for Channel 3 or 4 operation is selected by CHS pin

Sound Oscillator ON/OFF control selectable by pin SOC

Picture to Sound ratio set to 12 dB

Sound subcarrier frequency set to 4.5 MHz

Low-power standby mode selectable by pin PSAVE

Direct RF sound carrier input pin AUX (FM modulator bypassed for stereo sound applications)

ESD protection up to 2 kV

Peak White Clip enabled

Transient output inhibit during PLL Lock-up at power-ON

Available in Pb-free, RoHS compliant, narrow body SOIC 16 package.

ORDERING INFORMATION

Device

Temp. Range

RoHS

0°C to +70°C

MC44CC375AVEF, R2

Yes

Note: For tape and reel, add the R2 suffix.

MC44CC375AV

Mixer

Clamp

Clip

Video In

Crystal

VCO

TVOUT

Audio

Audio In

Mixer

Control

AUX

Channel 3/4

This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...16

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