EL6173CU Intersil Corporation, EL6173CU Datasheet

EL6173CU

Manufacturer Part Number

EL6173CU

Description

Manufacturer

Intersil Corporation

Datasheet

1.EL6173.pdf (2 pages)

Specifications of EL6173CU

Case

SSOP16

Date_code

0342+

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Manufacturer:

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Quantity:

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3-Channel Laser Diode Driver w/Oscillator

& APC Amplifier

grounded laser diode. Write channels 2 and 3 can provide

up to 200mA per channel of DC or pulsed current, with

switching speeds of approximately one nanosecond rise/fall

time. All three channels are summed together at the I

output, allowing the user to create multilevel waveforms in

order to optimize laser diode performance. The level of the

output current is set by an analog voltage applied to an

external resistor which converts the voltage into a current at

the I

then amplified to become a current source at pin I

An on-chip 500MHz oscillator is provided to allow output

current modulation when in any mode. This is turned on

when the OSCEN pin is held high. Complete control of

amplitude and frequency is set by two external resistors

connected to ground at pins R

in this data sheet for further explanation.)

Output current pulses are enabled when an ‘L’ signal is

applied to the OUTEN pin. No output current flows when

OUTEN is ‘H’ and additional laser diode protection is

provided since the OUTEN input will float high when open.

Complete I

ENABLE pin low, which will override all other control pins.

The EL6173 also includes a fast-settling APC amplifier

designed to interface directly with the front end monitor

diode and the sample-and-hold amplifier for read and write

power control. Its 100MHz bandwidth and 30ns settling time

enable up to 16X CD-RW design.

Ordering Information

NOTE: Intersil Pb-free products employ special Pb-free material

sets; molding compounds/die attach materials and 100% matte tin

plate termination finish, which is compatible with both SnPb and

Pb-free soldering operations. Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed

the Pb-free requirements of IPC/JEDEC J Std-020B.

EL6173CU

EL6173CU-T7

EL6173CU-T13 16-Pin QSOP

EL6173CUZ

(See Note)

EL6173CUZ-

T7 (See Note)

EL6173CUZ-

T13 (See Note)

NUMBER

PART

pin (virtually ground). The current seen at this pin is

OUT

shut-off is also achieved by holding the

16-Pin QSOP

PACKAGE

(Pb-free)

The EL6173 is a high performance

three-channel laser driver that

provides controlled current to a

FREQ

TAPE & REEL PKG. DWG. #

13”

Data Sheet

and R

7”

AMP

(see graphs

MDP0040

OUT

1-888-INTERSIL or 321-724-7143

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

Features

• “Shrink-Small” outline package

• Voltage-controlled output current source to 200mA per

• Current-controlled output current source to 200mA per

• Rise time = 0.8ns

• Fall time = 0.8ns

• On-chip oscillator with frequency and amplitude control by

• Oscillator to 500MHz

• Oscillator to 100mA

• Single +5V supply (±10%)

• Disable feature for power-up protection and power savings

• Fast-settling APC amplifier

• Pb-free Available as an Option

Applications

• CD-RW applications

• Writable optical drives

• Laser diode current switching

channel, requiring one external set resistor per channel

channel

use of external resistors to ground

Get FULL DATASHEET

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

June 14, 2004

Intersil (and design) is a registered trademark of Intersil Americas Inc.

PK/PK

EL6173

FN7213

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