DA6285.002

11 November, 2010

1 (12)

MAS6285

IC FOR XO TRIMMING

•

Very Low Power

•

Wide Trimming Range

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Wide Supply Voltage Range

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Very High Level of Integration

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Electrically Trimmable

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Low Cost

DESCRIPTION

MAS6285 is capacitive digital to analog converter

integrated circuit well suited to make initial offset

trimming of the crystal oscillator. The trimming is

done by a serial bus and the calibration information

is stored in an internal PROM.

FEATURES

APPLICATIONS

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IC for Crystal oscillator offset trimming

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Very small size

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Minimum current draw

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Wide operating temperature range

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High Frequency VCXOs

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OCXOs

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All Crystal Oscillators

BLOCK DIAGRAM

Figure 1. Block diagram of MAS6285.

DA

CLK

PV

VSS

VDD

COUT

Digital

6

3

2

MAS6285