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參數資料
| 型號： | 7343 |
| 廠商： | 意法半導體 |
| 英文描述： | DIGITALLY CONTROLLED AUDIO PROCESSOR |
| 中文描述： | 數控音頻處理器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 100K |
| 代理商： | 7343 |
TDA7343
DIGITALLY CONTROLLED AUDIO PROCESSOR
INPUT MULTIPLEXER
- TWOSTEREO AND ONE MONO INPUTS
- SELECTABLEINPUT GAINFOR OPTIMAL
ADAPTATIONTO DIFFERENT SOURCES
FULLY
PROGRAMMABLE
FUNCTION
VOLUME CONTROL IN 0.3dB STEPS IN-
CLUDING GAINUP TO 20dB
ZERO
CROSSING
MUTE
MUTE
SOFT MUTE CONTROLLED BY SOFTWARE
OR HARDWARE PIN
BASS AND TREBLE CONTROL
FOURSPEAKER ATTENUATORS
- FOURINDEPENDENT SPEAKERS
CONTROLIN 1.25dBSTEPS FOR
BALANCEAND FADERFACILITIES
- INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL I
2
CBUS
DESCRIPTION
The TDA7343 is an upgrade of the TDA7313
audioprocessor.
Thanks to the used BIPOLAR/CMOS technology,
very low distortion, low noise and DC-stepping
are obtained.
Due to a highly linear signal processing, using
LOUDNESS
AND
DIRECT
CMOS-switching techniques instead of standard
bipolar multipliers, very low distortion and very
low noise are obtained Several new features like
softmute, zero-crossing mute and pause detector
are implemented.
The Soft Mute function can be activated in two
ways:
1 Viaserial bus (bit D0, Mute Byte)
2 Directly on pin 22 through an I/O line of the
microcontroller
Very low DC stepping is obtained by use of a
BICMOS technology.
November 1999
ORDERING NUMBER:
TDA7343 (DIP28)
TDA7343D (SO28)
DIP28
SO28
1/14
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