Product Summary

The qn8027 is a high performance, low power, full-featured single-chip stereo FM transmitter which is designed for portable audio/video players, automotive accessories, cell phones, and GPS personal navigation devices. The qn8027 covers frequencies from 76 MHz to 108 MHz in 50/100/200 kHz step sizes for worldwide FM band support. The qn8027 also supports RDS/RBDS data transmit. The qn8027 integrates a complete transmitter function, from stereo audio input to RF antenna port, for worldwide FM band personal area broadcasting. It includes variable input gain programming, selectable pre-emphasis, precision low-spur MPX stereo encoding and pilot tone generation, low-noise PLL-based modulation, and an on-chip power amplifier with variable output level and RF band-pass filtering to ensure optimum transmit spectrum purity. The applications of the qn8027 include Cell Phones / PDAs / Smart Phones, Portable Audio & Media Players, GPS Personal Navigation Devices, Automotive and Accessories.


Features

qn8027 features: (1)Worldwide FM Band Transmit: 76 MHz to 108 MHz full band tuning in 50/100/200 kHz step sizes, 50/75μs pre-emphasis ; (2)Ease of Integration: Small footprint, 3 x 3 x 0.95mm MSOP10, Only 2 external passive components required, Adaptive antenna tuning, Low cellular and GPS band spurs, High Immunity to TDMA (GSM/GPRS) burst noise, Multiple crystal frequencies supported, I2C interface ; (3)Low Power Consumption: 7.0 mA of FCC output level, Integrated voltage regulator, direct connect to battery, Power saving IDLE mode; (4)High Performance FM Transmitter (FMT): 65dB Stereo SNR, 0.04% THD, Maximum 119 dBμVp RF output level with 34dB adjustable range.

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