Datasheet > ISL58781

ISL58781

更新时间： 2024-11-05 01:19:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
15页	404K
描述
Laser Diode Driver with Serial Control and Write Current DAC

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数据手册

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ISL58781 数据手册

DATASHEET

Laser Diode Driver with Serial Control and Write

Current DAC

ISL58781

Features

• Compatible with all Conventional Controllers Having

a Serial Port, with Some Programming

The ISL58781 is a highly integrated laser diode driver

designed to support multi-standard writable optical

drives in CD, DVD, and Blu-Ray at various speeds. It is a

‘hybrid’ part having an interface compatible with a

conventional LDD, but an internal architecture similar to

a write strategy LDD. This combination adds versatility to

the conventional interface.

• Programmable Snubber on all Outputs

• Compatible with Future Controllers Having Gray

Coded WEN Lines for Glitchless High-Speed

Operation

• WEN Line Skew Detection

The rise and fall times and overshoot of the blue output

are adjustable to compensate for high and low resistance

lasers.

• 1000mA Maximum Total Output

• 10-bit x 10-bit Multiplying DAC Output Provides

10-bit Full Scale Adjustment and 10-bit Resolution at

any Full Scale Output

There are two banks of write currents with a bank select

line, BSEL. This eliminates the need to synchronize the

serial port to the media.

• Three Laser Outputs Allow Read/Write DVD, CD, and

Blue Combinations

The oscillator can be controlled by external LVDS lines, or

internally activated through program assignment to any

WEN state.

• Analog Inputs Supports Read APC

• HFM Oscillator Programmable to 100mA

Range from 100MHz to >1GHz

and

P-P

The WEN lines have internal 100Ω terminators. There is a

skew detector on the WEN receiver outputs.

• Programmable HFM On, Off and Cooling Levels

• Programmable Spread Spectrum for Low EMI

The ISL58781 requires a single 5V supply.

• Built-in ADC to Sample Laser Voltage Allows Power

Reduction by Optimizing Headroom

• Built-in Thermal Sensor Aids in Thermal Design

• Serial Input Works up to 50MHz

• Pb-Free (RoHS Compliant)

Applications

• Combination DVD, CD, and Blue Writable Drives

• BD Camcorders

• BD Video Recorders

December 3, 2015

FN6909.3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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中文翻译

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与ISL58781相关器件

型号	品牌	获取价格	描述	数据表
ISL58781CRZ-T13	INTERSIL	获取价格	Laser Diode Driver with Serial Control and Write Current DAC
ISL58792CRTZ	RENESAS	获取价格	Laser Diode Driver with Serial Control and Write Current DAC; TQFN24; Temp Range: See Data
ISL58792CRTZ-T13	RENESAS	获取价格	Laser Diode Driver with Serial Control and Write Current DAC; TQFN24; Temp Range: See Data
ISL58792CRTZ-T7A	RENESAS	获取价格	Laser Diode Driver with Serial Control and Write Current DAC; TQFN24; Temp Range: See Data
ISL58797	RENESAS	获取价格	Laser Diode Driver with Write Current DAC and PDIC Control Outputs
ISL58831	INTERSIL	获取价格	Dual Laser Driver with APC Amplifier and Spread Spectrum Oscillator
ISL58831CRZ	INTERSIL	获取价格	Dual Laser Driver with APC Amplifier and Spread Spectrum Oscillator
ISL58831CRZ-T13	INTERSIL	获取价格	Dual Laser Driver with APC Amplifier and Spread Spectrum Oscillator
ISL59110	INTERSIL	获取价格	8MHz Rail-to-Rail Composite Video Driver
ISL59110_07	INTERSIL	获取价格	8MHz Rail-to-Rail Composite Video Driver

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