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PDF SP8057DG Data sheet ( Hoja de datos )
| Número de pieza | SP8057DG | |
| Descripción | High Speed 11-channel Photo Detector IC | |
| Fabricantes | Sipex | |
| Logotipo |  |
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ADVANCED
SP8057
High Speed 11-channel Photo Detector IC
FEATURES
• Dual wavelength 650 and 780nm
• Data channel bandwidth 150 MHz
• Selectable gain settings
• Group delay error 1ns up to 86MHz
• 250V/µs Slew rate
• Small 16-pin OPLGA package
APPLICATION
• DVD-RAM with CD-RW capability
• DVD+/-RW with CD-RW capability
• Writable data storage optical devices
Vs
GND
GK
HL
EI
FJ
SW1
SW2
1
2
3
4
5
6
7
8
16 VCC
15 WRF
14 D
SP8057 13 C
16-Pin
OPLGA
12
11
B
A
10 RF+
9 RF-
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
COPY
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