High Speed Differential APC Amplifier
ADVANCED
SP8127
High Speed Differential APC Amplifier
FEATURES
• • • • • • • • Dual wavelength 650 and 780nm 100 MHz B...
Description
ADVANCED
SP8127
High Speed Differential APC Amplifier
FEATURES
Dual wavelength 650 and 780nm 100 MHz Bandwidth 300 V/µs Slew Rate 5 ns Setting Time 10 mV Differential Output Offset Voltage 25 mV/oC Output Offset Voltage Drift -6/+6 dB External Gain Adjust Small 8-pin OPLGA package
Vcc Gain Rc GND
1 2 3 4 SP8127 8-Pin OPLGA
8 7 6 5
Vout (+) Vout (–) Rg2 Rg1
APPLICATION
CD-R, and CD-RW DVD+/-R, DVD+/-RW, and DVD-RAM
GENERAL DESCRIPTION The SP8127 is a high-speed, differential output APC amplifier that integrates the photodiode and adjustable gain block on one chip. Independent gain control allows individual adjustment for 780mn and 650nm wavelength operation, as found in CD/DVD optical storage drives. This allows the user to control the laser power of the system in high-speed DVD+/-RW, DVD-RAM and CD-RW systems. The wide 2V output swing also allows better system performance, through improved dynamic range.
Rev 0.8 06/29/04. SP8127 High Speed Differential APC Amplifier Copyright 2003 Sipex Corporation 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 5
ADVANCED
ABSOLUTE MAXIMUM RATINGS
SP8127
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 con...
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