MC44353

更新时间： 2024-11-14 22:46:23

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
20页	442K
描述
MULTI.STANDARD AND PAL/NTSC MODULATOR ICs

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中文翻译

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数据手册

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MC44353 数据手册

Order this document by MC44353/D

MULTI–STANDARD

AND PAL/NTSC

MODULATOR ICs

MC44353 – Multi–Standard Modulator IC

MC44354 – PAL/NTSC Modulator IC

MC44355 – PAL/NTSC Modulator IC with

MC44355 – Fixed Video Modulation Index

SEMICONDUCTOR

TECHNICAL DATA

These modulator circuits are intended for use in VCRs, satellite receivers,

set–top boxes, video games, etc. An on–chip high speed I C compatible bus

receiver is included and is used to set the channel, tuned by a PLL over the

full range in the UHF bands. The modulator incorporates a sound subcarrier

oscillator, using a second PLL to derive 4.5, 5.5, 6.0 and 6.5 MHz carrier

frequencies, selectable by the bus.

For the sound, either frequency modulation with pre–emphasis or

amplitude modulation (MC44353 only) is possible. A control bit (MC44353

only) is used to select AM sound with positive RF modulation (system L). The

level of the sound carrier with respect to the vision carrier and the modulation

depth of both sound and vision may be adjusted by means of the bus. In

addition, an on–chip video test pattern generator may be switched in with a

1.0 kHz audio test signal.

DTB SUFFIX

PLASTIC PACKAGE

CASE 948E

(TSSOP–20)

• Channel 21 through 69 UHF Operation (471 MHz to 855 MHz)

• On–Chip Low Power Operational Amplifier for Direct Tuning Varactor

Voltage

• Single–Ended Output for Low Cost and Ease of Interface

• Low External Component Count

• High Speed I C Bus Compatible

DW SUFFIX

PLASTIC PACKAGE

CASE 751D

• Programmable Video Modulation Depth (8 Steps of 2.5%)

• Programmable Picture/Sound Carriers Ratio and Audio Sensitivity

(8 Steps of 1.0 dB)

(SO–20L)

• On–Chip Programmable Sound Subcarrier Oscillator (4.5 MHz to

6.5 MHz)

• On–Chip Video Test Pattern Generator with Sound Test Signal (1.0 kHz)

• V

Standby Mode (Typ 500 µA)

PIN CONNECTIONS

• Transient Output Inhibit During PLL Lock–Up at Power–On

Xtal

Amp In

Op Out

SDA

SCL

CCD

ORDERING INFORMATION

Operating

Osc Gnd

Osc

Mod Gnd

Mod

Temperature Range

Device

MC44353DTB

MC44353DW

MC44354DTB

MC44354DW

MC44355DTB

MC44355DW

Package

TSSOP–20

SO–20L

Osc

RF Out

Osc Gnd

Snd Fil

Snd Tun

Mod Gnd

Video In

TSSOP–20

SO–20L

CCA

= –20° to +80°C

Pre–Em 10

Audio In

TSSOP–20

SO–20L

(Top View)

This document contains information on a new product. Specifications and information herein

Motorola, Inc. 1998

Rev 0

are subject to change without notice.

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...20

中文翻译

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与MC44353相关器件

型号	品牌	获取价格	描述	数据表
MC44353DTB	MOTOROLA	获取价格	MULTI.STANDARD AND PAL/NTSC MODULATOR ICs
MC44353DTBR2	MOTOROLA	获取价格	Consumer Circuit, PDSO20, PLASTIC, TSSOP-20
MC44353DW	MOTOROLA	获取价格	MULTI.STANDARD AND PAL/NTSC MODULATOR ICs
MC44353DW	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO20, PLASTIC, SO-20
MC44353DWR2	MOTOROLA	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO20, PLASTIC, SOIC-20
MC44354DTB	MOTOROLA	获取价格	MULTI.STANDARD AND PAL/NTSC MODULATOR ICs
MC44354DW	MOTOROLA	获取价格	MULTI.STANDARD AND PAL/NTSC MODULATOR ICs
MC44354DWR2	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO20, PLASTIC, SOIC-20
MC44355DTB	MOTOROLA	获取价格	MULTI.STANDARD AND PAL/NTSC MODULATOR ICs
MC44355DTBR2	MOTOROLA	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO20, PLASTIC, TSSOP-20

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