Si4701-A Datasheet (Silicon Laboratories)

Si4701-A, BROADCAST FM RADIO TUNER

* USB FM radio * PDAs * Notebook PCs The Si4701 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception.

Functional Block Diagram AMPLIFIER Headphone Cable FMIP FMIN LNA Si4701 I ADC DSP DAC LOUT PGA FILTE

Si4701-A Features

* Worldwide FM band support (76

* 108 MHz)

* Digital low-IF receiver

* Frequency synthesizer with integrated VCO

* Seek tuning

* Automatic frequency control (AFC)

* Automatic gain control (AGC)

* Excellent overload immunity

* Sig