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SP8130

High Speed Differential APC Amplifier

Signal Processing Technologies 

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SP8130

TM

High Speed Differential APC Amplifier

FEATURES

• Dual wavelength 650 and 780nm

• 160 MHz Bandwidth @ -6dB

• 600 V/µs Slew Rate

• 6 ns Settling Time

• 10 mV Differential Output Offset Voltage

• 30 uV/oC Output Offset Voltage Drift

• -6/+6 dB External Gain Adjust

• Small 8-pin OPLGA package

Gain

1

Rg1

2

Rgcom 3

Rg2 4

SP8130

8-Pin

OPLGA

8 Vcc

7 Vout (+)

6 Vout (-)

5 Gnd

APPLICATIONs

• CD-R, and CD-RW

• DVD+/-R, DVD+/-RW, and DVD-RAM

GENERAL DESCRIPTION

The SP8130 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 780nm

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 09/25/06.

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SP8130 High Speed Differential APC Amplifier

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 2006 Sipex Corporation

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