SP8057

更新时间： 2024-09-29 22:42:51

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
4页	97K
描述
High Speed 11-channel Photo Detector IC

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SP8057 数据手册

ADVANCED

SP8057

High Speed 11-channel Photo Detector IC

FEATURES

•

Dual wavelength 650 and 780nm

Data channel bandwidth 150 MHz

Selectable gain settings

GND

SW1

SW2

V_CC

WRF

RF+

RF-

Group delay error 1ns up to 86MHz

250V/µs Slew rate

Small 16-pin OPLGA package

SP8057

16-Pin

APPLICATION

OPLGA

•

DVD-RAM with CD-RW capability

DVD+/-RW with CD-RW capability

Writable data storage optical devices

GENERAL DESCRIPTION

The SP8057 is an eleven-channel photo detector IC (PDIC) specially designed for high speed

DVD-RAM and DVD+/-RW applications and can operate at wavelengths of 650 and 780 nm.

The device contains three photo diode (sensor) arrays, with each having four sensors (A – D, E

– H, and I – L respectively). The eleven channels consist of four high speed channels (A, B, C,

and D), four slow channels (EI, FJ, GK, and HL), two fast channels with paraphase output (RF+

and RF-), and one additional WRF channel. The four slow channels output is the sum of signals

from two sensors of the same sensor array (E + I, F + J, G + K, and H + L). The WRF channels

output is four times the sum of A + B + C + D channels, while the output signal of paraphase

channels RF+ and RF- is only 0.5 of this sum. Low noise operation enables data recovery at

very low signal levels.

The SP8057 has two logic inputs for gain control that operate as three-state logic input (Low,

Mid, and High states). These states are used to select gain factors that affect all channels.

The SP8057 is manufactured with an advanced 10GHz BICMOS technology.

Rev 0.3 (01-20-04)

SP8057 – High Speed 11-Channel PDIC

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

SIPEX CONFIDENTIAL, ADVANCED & PROPRIETARY. DO NOT DISTRIBUTE OR

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