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TEA6820T

NXP
Part Number TEA6820T
Manufacturer NXP
Description In Car Entertainment ICE car radio
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TEA6820T; TEA6822T In Car Entertainment (ICE) car radio Preliminary specification Supers...
Datasheet PDF File TEA6820T PDF File

TEA6820T
TEA6820T

Overview
INTEGRATED CIRCUITS DATA SHEET TEA6820T; TEA6822T In Car Entertainment (ICE) car radio Preliminary specification Supersedes data of 1996 Oct 18 File under Integrated Circuits, IC01 1997 Feb 12 Philips Semiconductors Preliminary specification In Car Entertainment (ICE) car radio 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 adjustment and THD compensation • Level, multi-path 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 with interface to enable direct data transfer to radio front-end • IF-count for AM and FM • Reference frequency generation for PLL synthesizer.
ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TEA6820T TEA6822T VSO56 VSO56 DESCRIPTION Stereo decoder TEA6820T; TEA6822T • Adjustment-free PLL VCO • Pilot depending mono/stereo switching • Analog control of mono/stereo blend • Adjacent channel noise suppression (114 kHz) • Pilot cancelled • 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 TEA6820T together with the TEA6810T and the TEA6822T together with the TEA6811T forms an AM/FM electronic tuned car radio in a double conversion receiver concept.
VERSION SOT190-2 SOT190-1 plastic very small outline package; 56 leads; face down plastic very small outline package; 56 leads 1997 Feb 12 2 Philips Semiconductors Preliminary specification In Car Entertainment (ICE) car radio QUICK REFERENCE DATA SYMBOL VDDA1 IDDA1 I19 + I20 I22 + I23 VDDA2 IDDA2 VDDA3 IDDA3 VDDD IDDD S+N ------------N PARAMETER analog supply voltage...


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