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Description

The TDA7528 is a frontend module for use in car radio receivers on the 50kHz - 108MHz and 161MHz - 163 MHz frequency bands. Its field of use includes all the current radio broadcast services worldwide for AM radio (long, medium and short wave), FM radio (US, European, Japanese and OIRT bands) and US weather band. Digital standards such as DRM and HD radio (IBOC) can also be handled.

Feature summary

■ High-performance AM/FM front-end chip for if sampling car-radio tuners

■ Compatible with AM (LW, MW, SW) / FM (EU, US, JAPAN, OIRT) / WEATHER BAND / HD radio / DRM applications

■ Ready for multi-tuner applications (phase diversity, background tuner)

■ Image rejection FM mixer with dual input specialized for different front-end circuits

■ Integrated AM preamplifier and tank for lowercost applications

■ Image rejection AM mixer

■ Fully integrated fractional tuning PLL with two VCOs for diversity systems

■ world tuning-capable

■ Integrated if tank

■ If amplifier with agc with four inputs for connection of up to four ceramic filters

■ Fully electronically adjustable

■ I2C /SPI controlled