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AD2S99 - Programmable Oscillator

General Description

The AD2S99 programmable sinusoidal oscillator provides sine wave excitation for resolvers and a wide variety of ac transducers.

The AD2S99 also provides a synchronous reference output signal (3 V p-p square wave) that is phase locked to its SIN and COS inputs.

Key Features

  • Programmable Sinusoidal Oscillator Synthesized Synchronous Reference Output Programmable Output Frequency Range: 2 kHz.
  • 20 kHz “Loss-of-Signal” Indicator 20-Pin PLCC Package Low Cost.

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Full PDF Text Transcription for AD2S99 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for AD2S99. For precise diagrams, and layout, please refer to the original PDF.

a FEATURES Programmable Sinusoidal Oscillator Synthesized Synchronous Reference Output Programmable Output Frequency Range: 2 kHz–20 kHz “Loss-of-Signal” Indicator 20-Pin...

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Output Frequency Range: 2 kHz–20 kHz “Loss-of-Signal” Indicator 20-Pin PLCC Package Low Cost APPLICATIONS Excitation Source for: Resolvers Synchros LVDTs RVDTs Pressure Transducers Load Cells AC Bridges FBIAS SEL1 SEL2 FREQUENCY SELECT Programmable Oscillator AD2S99 FUNCTIONAL BLOCK DIAGRAM PUSH/ PULL O/P STAGE EXC EXC TO TRANSDUCER SINE WAVE GENERATOR SYNREF SYNCHRONOUS REFERENCE LOS AD2S99 PHASE DETECT LOGIC SIN COS FROM TRANSDUCER GENERAL DESCRIPTION The AD2S99 programmable sinusoidal oscillator provides sine wave excitation for resolvers and a wide variety of ac transducers.