Datasheet > AT78C1503

AT78C1503

更新时间： 2024-01-09 22:02:32

品牌	Logo	应用领域
爱特美尔 - ATMEL		DVD
页数	文件大小	规格书
14页	108K
描述
DVD/CD Read Channel

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中文翻译

获取价格

技术参数
数据手册

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AT78C1503 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
接口集成电路类型：	READ CHANNEL	信道数量：	1
功能数量：	1	认证状态：	Not Qualified
最大供电电压：	3.6 V	最小供电电压：	3 V
标称供电电压：	3.3 V	技术：	CMOS
Base Number Matches：	1

AT78C1503 数据手册

Features

• Operating Supply Range 3.0V to 3.6V

• Power Dissipation 1W Max

• Low-power Sleep Mode (<0.5 mW)

• RF Data Channel

– Automatic Gain Control or Programmable Gain Mode

– Wide Bandwidth VGA

– VGA Accepts Inputs from 30–300 mV Peak-to-peak Differential (PPD),

60–600 mV_PPDor 110–1100 mV_PPD

– Programmable Equalization via 7th-order Equiripple Filter with Programmable

Symmetric Zeros

– Programmable 5-to-1 Filter Cutoff Range

– Data Slicer with DC Restore Circuit

– Wide Frequency Range Clock Extraction

– Frequency Synthesizer with Independent 7-bit M and 6-bit N Dividers,

Better than 1% Resolution

DVD/CD Read

Channel

– Highly Programmable to Accommodate DVD (1–5X) and CD (6–30X)

– Write Asymmetry Measurement for Adjusting Write-mode Power

– Data Recovery Supports CLV, ZCLV, ZCAV Recording

– Optional Internally-generated Timing for AGC and Timing Recovery

• Synthesizer Functions

AT78C1503

AT78C1507

– Supports Wobble Clock Synthesis, Using Low-jitter PLL

• Servo Algebra and OPC Functions

– 45 MHz Bandwidth for Differential Phase Tracking Detector

– Land and Groove Detector for DVD RAM

– Supports One Beam Push/Pull Tracking Output

– Supports One Beam Differential Phase Tracking

– Supports Three-beam Push/Pull Tracking Output, Using E, F, G, H

– Focus Error Signal Output

– Focus OK Signal

– Track Crossing Detection

– Mirror Signal Output

– Wobble Detection for DVD RAM, DVD-RW, DVD-R

– Detects Tracking Error OK

– Provides Sample and Hold Functions for CD and DVD OPC

– Formats Pre-pit Data, Using Raw Pre-pit Information from AT78C1503

• Header Detection for DVD RAM

Description

The AT78C1503 is a programmable DVD/CD channel responsible for servo algebra, gain con-

trol, equalization, bit detection and clock extraction for CD-ROM, DVD-ROM, DVD-R, DVD-RW

and DVD-RAM formats. Programmable features allow data rates up to 5X DVD. Also, for DVD-

RAM functionality, the channel serves the write path providing laser power control and pit asym-

metry detection. Up to 2X DVD write speeds are supported for DVD-R, DVD-RW and DVD-

RAM. The extracted wobble frequency is supplied to the AT78C1507 companion chip which in

turn synthesizes the write clock.

The AT78C1507 is the companion chip to the AT78C1503 – DVD/CD Read Channel – and the

AT78C1504 – DVD/CD Automatic Laser Power Controller. Working in conjunction with the read

channel, the AT78C1507 is responsible for wobble clock synthesis for DVD-R and DVD-RAM

formats. In addition, the two parts working together also support pre-pit data and clock recovery

for the DVD-R format. Four separate inputs are provided to enable the AT78C1507 to perform

tracking servo algebra, using just the outrigger photo detector signals (E, F, G, H for example)

coming from the OPU. This extends the range of supported tracking servo algebra functions for

the 1503-1507 combination. Lastly, OPC capability is supported for efficient writing of DVD-R,

DVD-RAM and CD-R disks.

Based on CMOS technology, both the AT78C1503 and AT78C1507 operate from a single 3.3V

supply and are fully programmable through serial interfaces for both CD and DVD modes.

Rev. 2054A–DVD–07/02

12 3 4 5 6 7...14

中文翻译

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与AT78C1503相关器件

型号	品牌	获取价格	描述	数据表
AT78C1503-100TC	MICROCHIP	获取价格	Read Channel, 1 Channel, CMOS, PQFP100, TQFP-100
AT78C1503-64TC	ATMEL	获取价格	Read Channel, PQFP64, TQFP-64
AT78C1504	ETC	获取价格	Controller Miscellaneous - Datasheet Reference
AT78C1505-48TC	ATMEL	获取价格	Interface Circuit, CMOS, PQFP48, TQFP-48
AT78C1507	ATMEL	获取价格	DVD/CD Read Channel
AT78C1507	MICROCHIP	获取价格	Read Channel, 1 Channel, CMOS
AT78C1507-100TC	MICROCHIP	获取价格	Consumer IC,
AT78C4050	ATMEL	获取价格	DVD PRML Channel and System Controller SoC
AT78C5009	ATMEL	获取价格	Serial ATA Host Bridge
AT78C5010	ATMEL	获取价格	SERIAL ATA HOST/DEVICE BRIDGE

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