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SP8058
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 up to 400V/us Small 16-pin OPLGA package
Vs Gain 2 Gain 1 Gain 3 EF SAD GH SBC
1 2 3 4 5 6 7 8 SP8058 16-Pin OPLGA
16 15 14 13 12 11 10 9
Vcc RF+ RFC B D A GND
APPLICATION
* * * DVD-RAM with CD-RW capability DVD-RW with CD-RW capability Writable data storage optical devices
GENERAL DESCRIPTION The SP8058 is a ten channel photo detector IC (PDIC) specially designed for high speed DVDRAM 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) 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 page 1 of 4
SP8058
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 for extended periods of time may affect reliability.
Supply Voltage (Vcc)..........................6.0V Input Voltage at any input....-0.6V to Vcc +0.5V Output Voltage (Vout)....................... Vcc Storage Temperature............-40C to +100C Soldering Temperature.....................+235C
RECOMMENDED OPERATING CONDITIONS
Supply Voltage (Vcc)........................4.5V to 5.5V Reference Voltage (Vs).....................1.8V to 2.2V Operating temperature......................-30 to +80oC
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 page 2 of 4
SP8058
PIN ASSIGNMENTS
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name Vs Gain 2 Gain 1 Gain 3 EF SAD GH SBC GND A D B C RFRF+ Vcc Pin Function Reference voltage. Bypass to GND with ceramic capacitor 0.1uF Logic input of Gain Controller. Allows three states - low, high, and floating - Z Logic input of Gain Controller. Allows two states - low and high Logic input of Gain Controller. Allows three states - low, high and floating - Z Output of EF channel (sum of E + F sensor signals). In Adjustment mode it is output of E channel Output of SAD channel. In Adjustment mode it is output of F channel Output of GH channel (sum of G + H sensor signals). In Adjustment mode it is output of G channel Output of SBC channel. In Adjustment mode it is output of H channel Ground pin Output of A channel Output of D channel Output of B channel Output of C channel Output of RF- channel. RF- = - (A + B +C + D + EF + GH). In Adjustment mode RF= - (A + B + C + D + E + F + G + H) Output of RF+ channel. RF+ = A + B + C + D + EF + GH. In Adjustment mode RF+ = A+B+C+D+E+F+G+H Supply voltage. Bypass to GND with ceramic capacitor 0.1uF
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 page 3 of 4
SP8058
OPLGA 16L PACKAGE DIMENSIONS
ORDERING INFORMATION
Part number SP8058DG Temperature range -30 + 800C Package Type 16-pin Optical Land Grid Array (OPLGA)
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 page 4 of 4

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