sp8126 Exar Corporation, sp8126 Datasheet

sp8126

Manufacturer Part Number

sp8126

Description

High Speed Differential Apc Amplifier

Manufacturer

Exar Corporation

Datasheet

1.SP8126.pdf (8 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

sp8126CB-3/TR

Manufacturer:

VALOR

Quantity:

686

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FEATURES

and adjustable gain block on one chip. Independent gain control allows individual adjustment for

780mn and 650nm wavelength operation, as found in CD/DVD optical storage drives. This allows

the user to control the laser power of the system in high-speed DVDRW, DVDRAM and CDRW

systems. The wide 2V output swing also allows better system performance, through improved

dynamic range.

Figure 1. SP8126B Functional Diagram and Typical Application

Rev:B Date: 3/18/04

The SP8126B is a high-speed, differential output APC amplifier that integrates the photodiode

GND

Dual Wavelength

Slew Rate of 300V/µs

Fast Settling Time - 7ns

Gain Control

2V Output Swing

Low Offset Voltage: < 10mV

Low Offset Drift: < 20µV/°C

12dB External Gain Adjust Range

TIA

High Speed Differential APC Amplifier

GCOM

SP8126B High Speed Differential APC Amplifier

PRELIMINARY

Gain Control

GAIN

GAIN1

GAIN2

APPLICATIONS

500

GCOM

GAIN

GND

DVDRW

DVDRAM

CDRW

Buffer

500

SP8126B

8 Pin COB

OUT +

OUT -

P-P

(Depend

SP8126B

on FPC)

DESCRIPTION

(Flexible Flat Cable)

50pF

OUT

GAIN2

GAIN1

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