TUA4401K Infineon Technologies Corporation, TUA4401K Datasheet - Page 7

• Manufacturer Part Number: TUA4401K
• Description: Fm Car Radio Ic With Pll
• Manufacturer: Infineon Technologies Corporation

Wireless Components
2.2 Applications
2.3 Features
I






























2
C Bus
I
Bus interface with low threshold voltage Schmitt Trigger inputs for interfac-
ing 3V or 5V microprocessors
FM only car radio receiver, background receiver
Double balanced RF mixer with low noise figure, high IP3 and wide dynamic
range
Strictly symmetrical RF circuitry
Double frequency 1st LO option
IF amplifier with adjustable gain
7 stage limiter amplifier with dB linear fieldstrength output
Low distortion coincidence demodulator
Multipath detector with analog output
CMOS PLL-Synthesizer
Resolution between 100 kHz and 6.25kHz
Search tuning stop with IF counter and
Fieldstrength/Multipath evaluation
ADC’s for fieldstr. and multipath detector
I
2
2
C bus (2 wire, fast mode device with 400 kbit/s) operation possible
C Bus operation
2 - 3
Product Description
Specification, 17.02.00
TUA 4401K