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TEA6821T डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - ICE car radio - NXP

भाग संख्या TEA6821T
समारोह ICE car radio
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
1 Page
		
<?=TEA6821T?> डेटा पत्रक पीडीएफ

TEA6821T pdf
Philips Semiconductors
ICE car radio
Preliminary specification
TEA6821T
FEATURES
General
FM mixer for conversion from FM IF1 = 72.2 MHz to FM
IF2 = 10.7 MHz
AM mixer for conversion from AM IF1 = 10.7 MHz to AM
IF2 = 450 kHz
FM IF gain stage
Crystal oscillator providing mixer frequencies and
references for IF count and stereo decoder
FM quadrature demodulator with automatic centre
frequency adjust and THD compensation
Level and multipath and noise detectors
Soft mute
Stereo noise cancelling and variable de-emphasis
PLL stereo decoder
Noise blanker
AM IF amplifier and demodulator
I2C-bus transceiver
IF count for AM and FM
Reference frequency generation for PLL synthesizer
Reduced external components
SW applicable.
Stereo decoder
Adjustment-free PLL-VCO
Pilot depending mono/stereo switching
Analog control of mono/stereo blend
Adjacent channel noise suppression (114 kHz)
Pilot canceller
Analog control of de-emphasis
Integrated low-pass filters for 190 kHz adjacent channel
interferences and signal delay for interference
absorption circuit.
GENERAL DESCRIPTION
The TEA6821T together with the TEA6810T / TEA6811T
forms an AM/FM electronic tuned car radio in a double
conversion receiver concept for European, American and
Japanese frequency range.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Vs1
Vs1
Is1
Is1
Vs2
Vs2
Is2
Is2
S+N/N
THD
S+N/N
THD
α
Tamb
supply voltage 1 (pins 56 and 28)
operating range
supply current 1 FM
supply current 1 AM
supply voltage 2 (pin 5)
operating range
supply current 2 FM
supply current 2 AM
signal-to-noise AM
distortion AM
signal-to-noise FM
distortion FM
channel separation (adjusted)
operating ambient temperature
note 1
7
8.1
note 1
4.5
4.75
m = 0.3
f = 22.5 kHz at pins 43 and 47 66
f = 75 kHz
40
40
8.5
8.5
28
24
5.0
5.0
31
28
57
1
72
0.1
10 V
8.9 V
mA
mA
5.5 V
5.25 V
mA
mA
dB
2%
dB
0.35 %
dB
+85 °C
Note to the quick reference data
1. IC is functional, specified parameters may deviate from limits which are valid for operating range.
September 1993
2

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डाउनलोड[ TEA6821T Datasheet.PDF ]


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भाग संख्याविवरणविनिर्माण
TEA6821TICE car radioNXP
NXP


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