TEA5764UK-G NXP Semiconductors, TEA5764UK-G Datasheet - Page 7
TEA5764UK-G
Manufacturer Part Number
TEA5764UK-G
Description
Tuners FM RADIO WITH RDS
Manufacturer
NXP Semiconductors
Datasheet
1.TEA5764UKN2027.pdf
(65 pages)
Specifications of TEA5764UK-G
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
TEA5764UK/N2,027
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Philips Semiconductors
8. Functional description
TEA5764UK_2
Product data sheet
8.1 Low noise RF amplifier
8.2 FM I/Q mixer
8.3 VCO
8.4 Crystal oscillator
Table 3:
The LNA input impedance together with the LC RF input circuit defines an FM band filter.
The gain of the LNA is controlled by the RF AGC circuit.
FM quadrature mixer converts FM RF (76 MHz to 108 MHz) to IF.
The varactor tuned LC VCO provides the Local Oscillator (LO) signal for the FM
quadrature mixer. The VCO frequency range is 150 MHz to 217 MHz.
The crystal oscillator can operate with a 32.768 kHz clock crystal. The oscillator can be
overridden via the FREFIN pin. When the FREFIN pin is used the oscillator is clocked
externally by a 32.768 kHz signal. Selection between a reference clock or a reference
crystal can be done via the I
left open-circuit, and when pin FREFIN is used a crystal may not be connected. It is not
possible to connect a crystal and apply a frequency via the FREFIN pin in the same
application.
Symbol
TMUTE
VAFR
VAFL
MPXOUT
MPXIN
GNDD
n.c.
GNDA
n.c.
FREQIN
XTAL
V
CD3
RFIN1
RFIN2
GNDRF
CAGC
n.c.
CCA
Pin description
Ball
G6
G5
F4
G4
G3
G2
-
F2
-
G1
F1
E1
D2
D1
C1
C2
B1
-
Rev. 02 — 9 August 2005
…continued
2
Description
soft mute time-constant capacitor
right audio output
left audio output
FM demodulator MPX output
MPX decoder and RDS decoder MPX input
digital ground; this pin has an internal pull-down resistor of 10 k
to ground
not connected
analog ground
not connected
32.768 kHz reference frequency input
crystal oscillator input
analog supply voltage
V
RF input 1
RF input 2
RF ground
RF AGC time-constant capacitor
not connected
C-bus. When a crystal is connected the FREFIN pin must be
CCA
decoupling capacitor
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
TEA5764UK
FM radio + RDS
6 of 64
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