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TEA5757HL डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Self Tuned Radio STR - NXP

भाग संख्या TEA5757HL
समारोह Self Tuned Radio STR
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
1 Page
		
<?=TEA5757HL?> डेटा पत्रक पीडीएफ

TEA5757HL pdf
Philips Semiconductors
Self Tuned Radio (STR)
Product specification
TEA5757HL; TEA5759HL
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 (PCB)
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 and
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
FM-on/off port to control an external FM front-end
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 TEA5757HL; TEA5759HL is a 48-pin integrated
AM/FM stereo radio circuit including a novel tuning
concept. The radio part is based on the TEA5712.
The TEA5757HL is used in FM-standards in which the
local oscillator frequency is above the radio frequency
(e.g. european and american standards).
The TEA5759HL 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
TEA5757HL
TEA5759HL
NAME
LQFP48
LQFP48
PACKAGE
DESCRIPTION
plastic low profile quad flat package; 48 leads; body 7 × 7 × 1.4 mm
plastic low profile quad flat package; 48 leads; body 7 × 7 × 1.4 mm
VERSION
SOT313-2
SOT313-2
2000 Feb 02
2

विन्यास 30 पेज
डाउनलोड[ TEA5757HL Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
TEA5757HLSelf Tuned Radio STRNXP
NXP


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