TEF6894H NXP Semiconductors, TEF6894H Datasheet - Page 4

• Manufacturer Part Number: TEF6894H
• Description: Tef6894h Car Radio Integrated Signal Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1.6
3
2003 Oct 21
TEF6894H
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.
Car radio integrated signal processor
NUMBER
ORDERING INFORMATION
TYPE
Tone/volume part
QFP44
NAME
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10
10
1.75 mm
4
DESCRIPTION
2
The TEF6894H 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 device operates
with a supply voltage of 8 to 9 V.
PACKAGE
GENERAL DESCRIPTION
Product specification
TEF6894H
SOT307-2
VERSION