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TEF6890H データシート(Datasheet) 4 Page - NXP Semiconductors

部品番号. TEF6890H
部品情報  Car radio integrated signal processor
ダウンロード  55 Pages
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
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 4 page
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2003 Oct 21
4
Philips Semiconductors
Product specification
Car radio integrated signal processor
TEF6890H
1.7
Tone/volume part
• Input selector for four inputs:
– Two external stereo inputs (CD and TAPE)
– One mono input (PHONE)
– One internal stereo input (AM or FM).
• Integrated tone control and audio filters without external
components
• Volume control from +20 to −79 dB in 1 dB steps;
programmable 20 dB loudness control included
• Programmable loudness control with bass boost or as
bass and treble boost
• Treble control from −14 to +14 dB in 2 dB steps
• Bass control from −14 to +14 dB in 2 dB steps with
selectable characteristics
• Good undistorted performance for any step size,
including mute
• Audio Step Interpolation (ASI) available for the following
audio controls:
– Mute
– Loudness
– Volume/balance
– Bass
– Fader.
• ASI also realizes Alternative Frequency (AF) mute for
inaudible RDS update
• Integrated beep generator
• Navigation (NAV) input
• Output mixer circuit for beep or NAV signal at output
stages.
2
GENERAL DESCRIPTION
The TEF6890H is a monolithic BiMOS integrated circuit
comprising the stereo decoder function, weak signal
processing and ignition noise blanking facility for AM and
FM combined with input selector and tone/volume control
for AM and FM car radio applications. The RDS/RBDS
demodulator function is included. The device operates
with a supply voltage of 8 to 9 V.
3
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEF6890H
QFP44
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10
× 10 × 1.75 mm
SOT307-2




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