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HSP45102 - 12-Bit Numerically Controlled Oscillator

General Description

NAME VCC GND P0-1 CLK SCLK SEL_L/M SFTEN MSB/LSB ENPHAC SD TXFR I I I I I I I I I TYPE +5V power supply pin.

Ground Phase modulation inputs (become active after a pipeline delay of four clocks).

A phase shift of 0, 90, 180, or 270 degrees can be selected as shown in Table 1.

Key Features

  • 33MHz, 40MHz Versions.
  • 32-Bit Frequency Control.
  • BFSK, QPSK Modulation.
  • Serial Frequency Load.
  • 12-Bit Sine Output.
  • Offset Binary Output Format.
  • 0.009Hz Tuning Resolution at 40MHz.
  • Spurious Frequency Components.

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Other Datasheets by Intersil (now Renesas)

Part Number Description
HSP45106 16-Bit Numerically Controlled Oscillator
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HSP45240 Address Sequencer
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HSP45102 Data Sheet January 1999 File Number 2810.6 12-Bit Numerically Controlled Oscillator The Intersil HSP45102 is Numerically Controlled Oscillator (NCO12) with 32-bit frequency resolution and 12-bit output. With over 69dB of spurious free dynamic range and worst case frequency resolution of 0.009Hz, the NCO12 provides significant accuracy for frequency synthesis solutions at a competitive price. The frequency to be generated is selected from two frequency control words. A single control pin selects which word is used to determine the output frequency. Switching from one frequency to another occurs in one clock cycle, with a 6 clock pipeline delay from the time that the new control word is loaded until t3-he new frequency appears on the output.