2004 Sep 13
3
Philips Semiconductors
Product specification
Low-power FM stereo radio for
handheld applications
TEA5768HL
1
FEATURES
•
High sensitivity due to integrated low-noise RF input
amplifier
•
FM mixer for conversion to IF of the US/Europe
(87.5 MHz to 108 MHz) and Japanese
(76 MHz to 91 MHz) FM band
•
Preset tuning to receive Japanese TV audio up to
108 MHz
•
RF Automatic Gain Control (AGC) circuit
•
LC tuner oscillator operating with low cost fixed chip
inductors
•
FM IF selectivity performed internally
•
No external discriminator needed due to fully integrated
FM demodulator
•
Crystal reference frequency oscillator; the oscillator
operates with a 32.768 kHz clock crystal or with a
13 MHz crystal and with an externally applied 6.5 MHz
reference frequency
•
PLL synthesizer tuning system
•
I
2
C-bus
•
7-bit IF counter output via the I
2
C-bus
•
4-bit level information output via the I
2
C-bus
•
Soft mute
•
Signal dependent mono to stereo blend [Stereo Noise
Cancelling (SNC)]
•
Signal dependent High Cut Control (HCC)
•
Soft mute, SNC and HCC can be switched off via the
I
2
C-bus
•
Adjustment-free stereo decoder
•
Autonomous search tuning function
•
Standby mode
•
Two software programmable ports
•
Bus enable line to switch the bus input and output lines
into 3-state mode.
2
GENERAL DESCRIPTION
The TEA5768HL is a single-chip electronically tuned FM
stereo radio for low-voltage applications with fully
integrated IF selectivity and demodulation. The radio is
completely adjustment-free and only requires a minimum
of small and low cost external components. The radio can
be tuned to the European, US and Japanese FM bands.
3
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEA5768HL
LQFP32
plastic low profile quad flat package; 32 leads; body 7
×
7
×
1.4 mm
SOT358-1
