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SDA4331X - PLL with I2C Bus for AM/FM Receivers

Description

The SDA 4331X is a radio PLL controlled via I2C Bus for frequency synthesis in the AM and FM range.

The reference frequency for the PLL is derived from the quartz oscillator OSC1).

Features

  • 155 MHz FM and 40 MHz AM input frequency 30 mVeff AM and 50 mVeff FM sensitivity Additional open drain ports controlled by I2C Bus 2-pin quartz oscillator Fast phase detector with short anti-backlash pulses P-DSO-24-1 and polarity reversal.
  • Charge pump current programmable in four steps up to 4.5 mA.
  • Frequency resolution of 1, 5 and 10 kHz AM and 12.5, 25 and 50 kHz FM.
  • P-DSO-24 package Type SDA 4331X 1.2.

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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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PLL with I2C Bus for AM/FM Receivers SDA 4331X 1 1.1 • • • • • Overview Features 155 MHz FM and 40 MHz AM input frequency 30 mVeff AM and 50 mVeff FM sensitivity Additional open drain ports controlled by I2C Bus 2-pin quartz oscillator Fast phase detector with short anti-backlash pulses P-DSO-24-1 and polarity reversal • Charge pump current programmable in four steps up to 4.5 mA • Frequency resolution of 1, 5 and 10 kHz AM and 12.5, 25 and 50 kHz FM • P-DSO-24 package Type SDA 4331X 1.2 Application Ordering Code Q67100-H5139 Package P-DSO-24-1 The SDA 4331X provides separated input and output ports for AM and FM and is well suited for extremely fast loop settling times in the FM mode. Semiconductor Group 1 04.96 SDA 4331X 1.
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