sp8058dg Exar Corporation, sp8058dg Datasheet

sp8058dg

Manufacturer Part Number

sp8058dg

Description

High Speed 10-channel Photo Detector Ic

Manufacturer

Exar Corporation

Datasheet

1.SP8058DG.pdf (4 pages)

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FEATURES

APPLICATION

GENERAL DESCRIPTION

The SP8058 is a ten channel photo detector IC (PDIC) specially designed for high speed DVD-

RAM and DVD-RW applications and can operate at wavelength of 650 and 780 nm. The ten

channels consist of four high speed channels (A, B, C, and D), two average speed channels (EF

and GH), two slow channels (SAD and SBC), and two channels with balanced differential output

(RF+ and RF-). The EF and GH channels output is sum of signals from E + F and G + H

sensors respectively. The RF channels output is sum of A + B + C + D + EF + GH channels with

identical weights.

The SP8058 has three logic inputs for gain control, one of them operating as TTL compatible

(Gain 1), and two other operating as three state logic inputs (Gain 2 and Gain 3). The allowable

14 logic states are used to select 11 gain factors, an adjustment mode, and a sleep mode (see

table 4). Adjustment mode is used to adjust the position of the PDIC with respect to the laser

beam. In this mode each of the sensors E, F, G, and H is connected to the input of EF, GH,

SAD, and SBC channels respectively instead of the standard configuration. In sleep mode all

channels are in tri-state condition.

The SP8058 is manufactured with an advanced 10GHz BICMOS technology.

Rev 0.3 (9-22-05)

SIPEX RESERVES THE RIGHT TO MAKE CHANGES TO THIS DATASHEET. CALL FOR UPDATES: 1-978-667-8700.

SIPEX CONFIDENTIAL, PRELIMINARY & PROPRIETARY. DO NOT DISTRIBUTE

OR COPY

•

High Speed 10-channel Photo Detector IC

Dual wavelength 650 and 780nm

Data channel bandwidth 130 MHz

Eleven selectable gain settings covering 42dB range

Group delay error less than 1ns up to 72MHz

Slew rate up to 400V/us

Small 16-pin OPLGA package

DVD-RAM with CD-RW capability

DVD-RW with CD-RW capability

Writable data storage optical devices

SP8058 – High Speed 10 Channel PDIC

Gain 2

Gain 1

Gain 3

SAD

SBC

SP8058

OPLGA

16-Pin

page

Vcc

RF+

RF-

GND

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sp8058dg Summary of contents

Page 1

High Speed 10-channel Photo Detector IC FEATURES • Dual wavelength 650 and 780nm • Data channel bandwidth 130 MHz • Eleven selectable gain settings covering 42dB range • Group delay error less than 1ns up to 72MHz • Slew rate ...

Page 2

ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...

Page 3

PIN ASSIGNMENTS Pin # Pin Name 1 Vs Reference voltage. Bypass to GND with ceramic capacitor 0.1uF 2 Gain 2 Logic input of Gain Controller. Allows three states – low, high, and floating - Z 3 Gain 1 Logic input ...

Page 4

... OPLGA 16L PACKAGE DIMENSIONS ORDERING INFORMATION Part number Temperature range SP8058DG Rev 0.3 (9-22-05) SP8058 – High Speed 10 Channel PDIC SIPEX RESERVES THE RIGHT TO MAKE CHANGES TO THIS DATASHEET. CALL FOR UPDATES: 1-978-667-8700. SIPEX CONFIDENTIAL, PRELIMINARY & PROPRIETARY. DO NOT DISTRIBUTE OR COPY 0 - 16-pin Optical Land Grid Array (OPLGA) ...

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