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Numéro de référence | BD3402KS2 | ||
Description | Single Power Supply Sound Processors | ||
Fabricant | ROHM Semiconductor | ||
Logo | |||
1 Page
Sound Processors for BOOM BOX / Mini-component Stereo
Single Power Supply Sound Processors
with Built-in Pre Amplifier for Tape Recording
and Play Back (With Integrated 2-/3- band Equalizer)
BD3401KS2,BD3402KS2
No.10086EAT03
●Description
The Sound Processor with built-in record/play functions for cassette players, is suited for sound quality products such as,
BOOM BOX, mini- and micro-audio systems. It incorporates various functions ranging from audio source selectors to
preamplifiers at the front stage, preamplifier for cassette recording/playing, and a 2-wire serial bus.
●Features
1) Provides Surround and Bass Boost with the Soft-switching feature to reduce the shock sound at switching (BD3401KS2)
2) Provides a specialized power supply terminal in a digital circuit, in order to set and maintain the state inside the IC
by the minute stand-by current.
3) Built-in preamplifier for cassette recording/playing allows for minimal external components, freeing up board space.
4) Arranges all I/O terminals to a single point and allows easy PCB routing.
5) Volume and Tone implemented with a resistance ladder circuit; achieving high performance with low noise and low distortion
6) Energy-saving design resulting in low current consumption, by utilizing the BiCMOS process.
It has the advantage in quality over the scaling down the power heat control of the internal regulators.
●Applications
BOOM BOX, mini-audio systems, and micro-audio systems.
●Product lineup
Equalizer
Parameter
Volume
Cassette Recording/Playing Amplifier
Karaoke
Microphone Input
Subwoofer Output
Output for Spectrum Analyzer
Surround
Bass Boost
Package
BD3401KS2
3 band(BASS, MIDDLE, TREBLE)
0 to -44dB/2dB step
-44 to -76dB/4dB step, -∞dB
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SQFP-T64
BD3402KS2
2 band(BASS, TREBLE)
0 to -44dB/2dB step
-44 to -76dB/4dB step, -∞dB
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SQFP-T64
●Absolute maximum ratings (Ta=25℃)
Items
Symbol
Ratings
Power Supply Voltage
Vcc 10
Vdd 6
Power Dissipation
Pd 1200*
Input Voltage Range
Vin GND-0.3 to VCC+0.3
Operating Temperature Range
Topr
-25 to +75
Storage Temperature Range Tstg -55 to +125
* Reduced by 12 mW/℃ over 25℃, when installed on the standard board (size: 70×70×1.6mm).
●Operating voltage range
Device Name
BD3401KS2
BD3402KS2
Symbol
Vcc
Vdd
Range
8 to 9.5
3 to 5.5
Unit
V
V
mW
V
℃
℃
Unit
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/18
2010.10 - Rev.A
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Pages | Pages 21 | ||
Télécharger | [ BD3402KS2 ] |
No | Description détaillée | Fabricant |
BD3402KS2 | Single Power Supply Sound Processors | ROHM Semiconductor |
BD3402KS2 | Single Power Supply Sound Processors | ROHM Semiconductor |
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