Datasheet > ISL58831CRZ

ISL58831CRZ

更新时间： 2024-11-19 01:15:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		PC
页数	文件大小	规格书
12页	344K
描述
Dual Laser Driver with APC Amplifier and Spread Spectrum Oscillator

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ISL58831CRZ 数据手册

DATASHEET

Data Sheet

Dual Laser Driver with APC Amplifier and Spread

Spectrum Oscillator

ISL58831

Features

The ISL58831 is a combination read + 3 write level laser driver

and IV amplifier, with an extra read + oscillator ROM channel

for use in dual-laser ‘Combo’ drivers. A separate (amplitude

and frequency) oscillator modulates the selected output for

laser noise reduction during read or write. All these functions

are provided in a 24 Ld QFN package.

• “Shrink-small” outline package

• Voltage-controlled output current source requiring one

external set resistor per channel

• Current-controlled output current source

• CH2 to 235mA maximum

• CH3 to 170mA maximum

• CH4 to 100mA maximum

• Rise time = 0.8ns

The SEL1 pin, when high, selects the DVD (write) laser. Positive

current supplied to the I lines, through a user-selected

resistor, allow the full-scale range of each amplifier to be

matched to the full-scale range of the users control DACs.

When the write laser is selected, and the WEN pins are

switched low, the respective current is summed to the output

with 1ns rise and fall times. Write channel 2 has 240mA

output capability with an 250X gain amplifier.

• Fall time = 0.8ns

• On-chip oscillator with frequency and amplitude control by

use of external resistors to ground

• Oscillator to 600MHz

The 100mA

(maximum) oscillator is switched on and off by

P-P

• Oscillator to 100mA

P-P

the OSCEN line. The SEL1 line allows the oscillator to operate

at different amplitudes and frequencies for each laser.

• Single +5V supply (±10%)

• Disable feature for power-up protection and power savings

• 200V/µs I/V amplifier

The entire chip is powered down when ENABLE is low. The user

can define the gain of the I/V amplifier. With a slew rate of

200V/µs, the I/V amplifier can normally settle to 1% within

30ns.

• Internal spread spectrum modulation to reduce peak EMI

• Pb-free (RoHS compliant)

An internal spread spectrum circuit modulates the oscillator

frequency to help reduce peak EMI.

Applications

• Combo CD-R + DVD-R

• DVD±RW to 8X

• Writable optical disk drives

January 28, 2016

FN7440.1

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.

12 3 4 5 6 7...12

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与ISL58831CRZ相关器件

型号	品牌	获取价格	描述	数据表
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
ISL59110IE-T7	RENESAS	获取价格	1 CHANNEL, VIDEO AMPLIFIER, PDSO6, PLASTIC, MO-203AB, SC-70, 6 PIN
ISL59110IE-T7A	RENESAS	获取价格	1 CHANNEL, VIDEO AMPLIFIER, PDSO6, PLASTIC, MO-203AB, SC-70, 6 PIN
ISL59110IEZ	RENESAS	获取价格	IC,TV/VIDEO CIRCUIT,TV/VIDEO FILTER,TSSOP,6PIN,PLASTIC
ISL59110IEZ-T7	INTERSIL	获取价格	8MHz Rail-to-Rail Composite Video Driver
ISL59111	INTERSIL	获取价格	8MHz Rail-to-Rail Composite Video Driver
ISL59111_07	INTERSIL	获取价格	8MHz Rail-to-Rail Composite Video Driver
ISL59111IIZ-T7	RENESAS	获取价格	1 CHANNEL, VIDEO AMPLIFIER, PBGA6, 0.70 MM HEIGHT, GREEN, CSP-6

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