EL6204CWZ-T7A

EL6204CWZ-T7A Description

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EL6204CWZ-T7A Manufacturer

EL6204CWZ-T7A Datasheet (PDF)

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EL6204CWZ-T7A Features

• Low power dissipation
• User-selectable frequency from 60MHz to 600MHz controlled with a single resistor
• User-specified amplitude from 10mA_PK-PK to 100mA_PK-PK controlled with a single resistor
• Auto turn-off threshold
• Soft edges for reduced EMI
• Small 6 Ld SOT-23 package

EL6204CWZ-T7A Description

The EL6204 is a push-pull oscillator used to reduce laser noise. It uses the standard interface to existing ROM controllers. The frequency and amplitude are each set with a separate resistor connected to ground. The tiny package and harmonic reduction allow the part to be placed close to a laser with low RF emissions. An auto turn-off feature allows it to easily be used on combo CD-RW plus DVD-ROM pickups.

If the APC current is reduced such that the average laser voltage drops to less than 1.1V, the output and oscillator are disabled, reducing power consumption to a minimum.

The current drawn by the oscillator consists of a small utility current, plus the peak output amplitude in the positive cycle. In the negative cycle the oscillator subtracts peak output amplitude from the laser APC current.

The EL6204 part is available in the space-saving 6 Ld SOT- 23 package and is specified for operation from 0°C to +70°C.

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