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TEA5759 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Self Tuned Radio STR - NXP

भाग संख्या TEA5759
समारोह Self Tuned Radio STR
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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<?=TEA5759?> डेटा पत्रक पीडीएफ

TEA5759 pdf
Philips Semiconductors
Self Tuned Radio (STR)
Product specification
TEA5757; TEA5759
FEATURES
The tuning system has an optimized IC partitioning both
from application (omitting interferences) and flexibility
(removable front panel option) point of view: the tuning
synthesizer is on-chip with the radio
The tuning quality is superior and requires no IF-counter
for stop-detection; it is insensitive to ceramic filter
tolerances
In combination with the microcontroller, fast, low-power
operation of preset mode, manual-search, auto-search
and auto-store are possible
The local (internal) controller function facilitates reduced
and simplified microcontroller software
The high integration level (radio and tuning synthesizer
on one chip) means fewer external components with
regard to the communication between the radio and the
microcontroller (90% less components compared to the
digital tuning application of a radio IC with external PLL
tuning function) and a simple and small printed-circuit
board
There will be no application considerations for the tuning
system, with regards to quality and high integration
level, since there will be no external 110 MHz buffers,
loop filter or false lock elimination
The inherent FUZZY LOGIC behaviour of the Self
Tuned Radio (STR), which mimics hand tuning, yields a
potentially fast yet reliable tuning operation
The level of the incoming signal at which the radio must
lock is software programmable
Two programmable ports
High selectivity with distributed IF gain
Soft mute
Signal dependent stereo-blend
High impedance MOSFET input on AM
Wide supply voltage range of 2.5 to 12 V
Low current consumption 18 mA at AM and FM
(including tuning synthesizer)
High input sensitivity
Low output distortion
Due to the new tuning concept, the tuning is
independent of the channel spacing.
GENERAL DESCRIPTION
The TEA5757; TEA5759 is a 44-pin integrated AM/FM
stereo radio circuit including a novel tuning concept.
The radio part is based on the TEA5712.
The TEA5757 is used in FM-standards in which the local
oscillator frequency is above the radio frequency
(e.g. European and American standards).
The TEA5759 is the version in which the oscillator
frequency is below the radio frequency
(e.g. Japanese standard).
The new tuning concept combines the advantages of hand
tuning with electronic facilities and features. User
‘intelligence’ is incorporated into the tuning algorithm and
an improvement of the analog signal processing is used for
the AFC function.
ORDERING INFORMATION
TYPE NUMBER
TEA5757H
TEA5759H
NAME
QFP44
PACKAGE
DESCRIPTION
plastic quad flat package; 44 leads (lead length 1.3 mm); body
10 × 10 × 1.75 mm
VERSION
SOT307-2
1999 Aug 26
2

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डाउनलोड[ TEA5759 Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
TEA5757Self Tuned Radio STRNXP
NXP
TEA5757HLSelf Tuned Radio STRNXP
NXP


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