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ADVANCED
SP8067
High Speed 11-channel Photo Detector IC
FEATURES
* * * * * * Dual wavelength 650 and 780nm Data channel bandwidth 130 MHz Selectable gain settings Group delay error 1ns up to 86MHz 250V/s Slew rate Small 16-pin OPLGA package
Vs GND GK HL EI FJ SW1 SW2
1 2 3 4 5 6 7 8 SP8067
16-Pin OPLGA
16 15 14 13 12 11 10 9
VCC WRF D C B A RF+ RF-
APPLICATION
* * * DVD-RAM with CD-RW capability DVD+/-RW with CD-RW capability Writable data storage optical devices
GENERAL DESCRIPTION The SP8067 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 summing channels with differential 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 differential channels RF+ and RF- is only 0.5 of this sum. The SP8067 has two logic inputs for gain control that operate as tri-state logic input (Low, Mid, and High states). These states are used to select gain factors that affect all channels. The WRF channel is active only during Write Modes, while the RF+ and RF- channels are active only during Read Modes. If not active, the WRF channel is in tri-state (Hi-Z) mode, while the RF channels are fixed at their respective reference voltages (2.0v for RF+ and 3.0v for RFchannel). The SP8067 is manufactured with an advanced 10GHz BICMOS technology.
Rev 0.0 (11-22-04) SP8067 - 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 page 1 of 3
ADVANCED
PIN ASSIGNMENTS
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name Vs GND GK HL EI FJ SW1 SW2 RFRF+ A B C D WRF VCC
SP8067
Pin Function Reference voltage. Bypass to GND with ceramic capacitor 0.1uF Ground pin Output of GK channel (sum of G + K sensor signals) Output of HL channel (sum of H + L sensor signals) Output of EI channel (sum of E + I sensor signals) Output of FJ channel (sum of F + J sensor signals) Logic input of Gain Controller. Allows three states - low, high, and middle Logic input of Gain Controller. Allows three states - low, high, and middle Output of RF- channel. RF- = - 0.5 x (A + B +C + D) Output of RF+ channel. RF+ = 0.5 x (A + B + C + D) Output of A channel Output of B channel Output of C channel Output of D channel Output of WRF channel. WRF = 4 x (A + B + C + D) Supply voltage. Bypass to GND with ceramic capacitor 0.1uF
Rev 0.0 (11-22-04) SP8067 - 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 page 2 of 3
ADVANCED
OPLGA 16 PACKAGE DIMENSIONS
SP8067
ORDERING INFORMATION
Part number SP8067DG Temperature range -30 + 800C Package Type 16-pin OPLGA
Rev 0.0 (11-22-04) SP8067 - 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 page 3 of 3

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