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ISL58831CRZ

Description
Laser Drivers ISL62391 HI EVALRD 1 1 05V/1 5V 15A RHS
Categorysemiconductor    Other integrated circuit (IC)   
File Size559KB,12 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
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Laser Drivers ISL62391 HI EVALRD 1 1 05V/1 5V 15A RHS

ISL58831CRZ Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerIntersil ( Renesas )
Product CategoryLaser Drivers
RoHSDetails
PackagingTube
Moisture SensitiveYes
Factory Pack Quantity90
DATASHEET
ISL58831
Dual Laser Driver with APC Amplifier and Spread Spectrum Oscillator
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.
The SEL1 pin, when high, selects the DVD (write) laser. Positive
current supplied to the I
IN
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.
The 100mA
P-P
(maximum) oscillator is switched on and off by
the OSCEN line. The SEL1 line allows the oscillator to operate
at different amplitudes and frequencies for each laser.
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.
An internal spread spectrum circuit modulates the oscillator
frequency to help reduce peak EMI.
FN7440
Rev 1.00
Jan 28, 2016
Features
• “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
• Fall time = 0.8ns
• On-chip oscillator with frequency and amplitude control by
use of external resistors to ground
• Oscillator to 600MHz
• Oscillator to 100mA
P-P
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings
• 200V/µs I/V amplifier
• Internal spread spectrum modulation to reduce peak EMI
• Pb-free (RoHS compliant)
Applications
• Combo CD-R + DVD-R
• DVD±RW to 8X
• Writable optical disk drives
FN7440 Rev 1.00
Jan 28, 2016
Page 1 of 12
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