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SP8036

Sipex Corporation
Part Number SP8036
Manufacturer Sipex Corporation
Description APC Amplifier
Published Nov 6, 2006
Detailed Description www.DataSheet4U.com Solved by SP8036 TM APC Amplifier with Integrated Photodiode and Gain Adjust Capability FEATURES •...
Datasheet PDF File SP8036 PDF File

SP8036
SP8036

Overview
www.
DataSheet4U.
com Solved by SP8036 TM APC Amplifier with Integrated Photodiode and Gain Adjust Capability FEATURES • • • • • • • • Dual wavelength 650nm and 780nm 13 ns Settling Time to 2% 100 MHz Bandwidth at -3dB 10 mV Output Offset Voltage o 25 µV/ C Output Offset Voltage Drift ± 6 dB External Gain Adjust Small 8-pin OPLGA package Power-down mode Vref 1 Rgain1 2 Rgain2 3 __ CE 4 SP8036 8-Pin OPLGA 8 Vcc 7 Gain 6 Vout 5 Gnd APPLICATIONS CD-R, and CD-RW DVD+/-R, DVD+/-RW, and DVDRAM GENERAL DESCRIPTION The SP8036 represents the next generation in Automatic Power Control (APC) amplifiers designed specifically for demanding pick-up head applications.
With its integrated photo detector, the SP8036 monitors light intensity of the laser diode in CD-R, CD-RW, DVD+/-R, DVD+/-RW, and DVD-RAM assemblies and converts this light to an output voltage.
The magnitude of this voltage signal corresponds to the laser power intensity and is subsequently fed back to the laser diode driver to control the laser output power.
The SP8036 on-chip photo detector transforms incident laser light into a proportional current, which is then converted to a voltage through a transimpedance amplifier.
Adjustable gain is provided in the transimpedance amplifier by means of a gain control loop that is controlled by an external resistor.
This external resistor is not a part of the signal path, which greatly reduces the effects of all parasitic capacitances and inductances on the flex cable at these pins.
The signal is then buffered to provide reactive load drive capability.
The SP8036 achieves an unparalleled level of performance by combining excellent DC stability and low noise with outstanding AC performance.
This level of performance is achieved using a proprietary fully complimentary BICMOS process with fully integrated, on-board photo detector.
The SP8036 is offered with a nominal sensitivity 4450 V/W and is packaged in a 3.
0 x 3.
5 mm, 8-lead OPLGA package.
All input logic levels should ...


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