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| (R) Preliminary SP8042 7 Channel Photo Detector IC FEATURES Dual Wave length 650 and 780nm 55MHz Data Channel Bandwith Built-in Media Switch Available in Wafer Form or 5.0 x 4.0mm 16 Pin COB Package APPLICATIONS DVD Player Bb Aa SW RF NC Dd Cc NC 1 2 3 4 5 6 7 8 16 GND 15 NC SP8042 16 Pin COB 14 E 13 VCC 12 VS 11 NC 10 F 9 GND DESCRIPTION The SP8042 is a seven channel photo detector IC (PDIC) designed for DVD-ROM and CD-ROM applications and can operate at wavelength of 650 and 780 nm. The device contains four photo diode (sensor) arrays, two of them with four identical sensors (A - D, and a - d respectively) and two with a single sensors (E, F). The seven channels consist of four high speed channels (Aa, Bb, Cc, and Dd), two slow channels (E, F), and one RF channel. The high speed channel output provides a signal from one of the two different sensor arrays (A - D or a - d) depending the position of the media switch (SW). A high logic level at the SW pin selects CD mode (A - D sensors) while a low level selects DVD mode (a - d sensors). The E and F channels output is used for a servo control. The RF channels output is sum of A + B + C + D or a + b + c + d channels (depending upon SW level) with identical weights given to all channels. Low noise operation enables data recovery at very low signal levels. The SP8042 is manufactured with an advanced 10GHz BICMOS technology. Rev. 9/25/03 SP8042 7 Channel, PDIC (c) Copyright 2003 Sipex Corporation 1 PIN DESCRIPTION PIN No. NAME DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bb Aa SW RF NC Dd Cc NC GND F NC VS VCC E NC GND Output of Bb channel (B or b sensor output depending upon SW position). Output of Aa channel (A or a sensor output depending upon SW position). Mode switch input. High logic level selects CD mode, low - DVD mode. Output of RF channel. RF = A + B + C + D or RF = a + b + v + d depending upon SW position. No Connection. Output of Dd channel (D or d sensor output depending upon SW position. Output of Cc channel (C or c sensor output depending upon SW position) No Connection. Ground Pin. Output of F Channel. No Connection. Reference Voltage. Bypass to GND with ceramic capacitor 0.1F. Supply Voltage. Bypass to GND with ceramic capacitor 0.1F. Output of E Channel. No Connection. Ground Pin. BOARD LAYOUT AND GROUNDING To obtain the best performance from the SP8042, a printed circuit board with ground plane is required. Both ground pins (pins #9 and #16) should be connected to the ground plane. High quality, low series resistance ceramic 0.1F bypass capacitors should be used at the VCC and VS pins (pins 12 and 13). These capacitors must be located as close to the pins as possible. The traces connection the pins to the ground plane, VCC, VS, and bypassing capacitors must be kept short and should be made as wide as possible. Rev. 9/25/03 SP8042 7 Channel, PDIC (c) Copyright 2003 Sipex Corporation 2 PACKAGE: 16 PIN COB 0.09465+/-0.0508 (PD Center to PKG Center) 0.1941+/-0.0508(PD Center to PKG Center) PD Center SIDE VIEW 16 PD 9 Die Center at 0.05285mm, - 0.06165mm SYMBOLS A b C D E e H L F S MIN 0.85 0.20 3.90 3.70 0.60 0.17 0.02 NOM MAX 0.95 0.25 0.40 4.00 3.80 0.50 5.00 0.70 0.25 0.10 1.05 0.30 4.10 3.90 0.80 0.33 0.18 S L Center or Land F 16 Pin COB Rev. 9/25/03 SP8042 7 Channel, PDIC (c) Copyright 2003 Sipex Corporation 3 ORDERING INFORMATION Part Number Temperature Range Package Type SP8042DB ................................... -30C to 80C .................................. 16 Pin COB SP8042W ..................................... -30C to 80C ............................................ Wafer Corporation ANALOG EXCELLENCE Sipex Corporation Headquarters and Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Sales Office 22 Linnell Circle Billerica, MA 01821 TEL: (978) 667-8700 FAX: (978) 670-9001 e-mail: sales@sipex.com Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Rev. 9/25/03 SP8042 7 Channel, PDIC (c) Copyright 2003 Sipex Corporation 4 |
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