KT0803M

www.DataSheet.co.kr Monolithic Digital Stereo FM Transmitter Radio-Station-on-a-Chip™ KT0803M ƒ Features KT0803 Drop-in replacement Additional features to KT0803 Increased transmission Power Input signal detection Bass boost control Professional Grade Performance: SNR ≥ 60 dB Stereo Separation > 40 dB International compatible 70MHz ~ 108MHz Ultra-Low Power Consumption: < 17 mA operation current < 3 µA standby current Small Form factor: 16-pin SOP Simple Interface: Single power supply 2 Industry standard 2-wire I C MCU interface compatible Advanced Digital Audio Signal Processing: On-chip 20-bit ΔΣ Audio ADC On-chip DSP core On-chip 24dB PGA with optional 1dB step Automatic calibration against process and temperature On-Chip LDO (low-drop-out) regulator: Accommodates 1.6V ~ 3.6V supply Programmable transmit level Programmable pre-emphasis (50/75 µs) Pb-free and RoHS Compliant Figure 1: KT0803M System Diagram ƒ General Description KT0803M, our new generation of low cost Monolithic Digital FM Transmitter, is designed to process high-fidelity stereo audio signal and transmit modulated FM signal over a short range. It’s based on the architecture of awardwinning KT0801 and it’s also an upgrade of KT0803. The additional features added to KT0803M are increased transmission power up to 113 dBuV, auto level detection and bass boost. The KT0803M features dual 20-bit ΔΣ audio ADCs, a high-fidelity digital stereo audio processor and a fully integrated radio frequency (RF) transmitter....