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BU26154MUV fiches techniques PDF

ROHM Semiconductor - Monaural Audio CODEC

Numéro de référence BU26154MUV
Description Monaural Audio CODEC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BU26154MUV fiche technique
Datasheet
The 24bit Audio CODEC series
Monaural Audio CODEC
with Touch Panel Interface
BU26154MUV
General Description
BU26154 is a low-power compact audio CODEC.
BU26154 also incorporates touch panel interface and
Cap-Less headphones amplifier, speaker amplifier which
is most suitable for digital still cameras, electronic
dictionaries. BU26154 has built-in voltage regulator for
the stability of CODEC characteristic that is sensitive to
the outside noise. Speaker amplifier that can change AB
/ D Class. Therefore, when the interference including the
FM radio influences it, BU26154 can prevent
interference by operating AB grade. As digital code
processing, it is equipped with the high-pass filter as the
noise cut use of the specific frequency band, Notch filter
and the Equalizer of 5 bands and P2Bass+, Noise gate,
and flexible sound quality effect processing is possible.
Key Specifications
HVDD Power Supply:
SPVDD Power Supply:
CPDD Power Supply:
TVDD Power Supply:
MIC-ADC SNR:
DAC-SP SNR:
DAC-HP SNR:
2.7V to 3.6V
2.7V to 5.5V
2.7V to 3.6V
2.7V to 3.6V
92dB(Typ)
95dB (Typ)
93dB (Typ)
Package(s)
VQFN040V6060
W (Typ) x D (Typ) x H (Max)
6.00mm x 6.00mm x 1.00mm
Features
Various sound processing functions
P2Bass+
Noise gate
Fast release ALC
5-band Equalizer/Notch Filter
High PSRR is attained by built-in regulator
Speaker amplifier can be switched to AB class and
D class.
Touch panel interface.
Applications
Electronic Dictionary
Digital Still Camera
Digital Single-lens Reflex Camera
Digital Mirror-less Camera
Digital Video Camera, others
VQFN040V6060
Typical Application Circuit(s)
MBIASCAP
MIN1
MIN2
SPVDD
SPGND
SPOUT+
SPOUT-
HPL
HPCOM
HPR
CPVDD
HPVDD
CPP
CPN
HPVSS
CPGND
VMID HVDD1 HGND2 REGOUT
HGND1
HVDD
MICBIAS
Bias
REGOUT
PGA
Class AB or
Class D
SPVDD
LDO
REGOUT
ADC
REGOUT
REGOUT IOVDD
CPU
I/F
IO
REGOUT IOVDD
RESET IO
REGOUT IOVDD
CSB/SCL
SDATA/SDA
SCLK
RESETB
SP VOL
LDO
CHARGE
PUMP
HPVDD
HP
HPVSS
HPVDD
VOL REGOUT
DAC
REGOUT
HP
DAC
HPVSS
HPVDD
HPVSS
TVDD
TOUCH
PANEL I/F
ALC
Filter
Sound Effect
Serial
Audio
InterFac
e
IO
SAI_LRCLK
SAI_BCLK
SAI_SDOUT
SAI_SDIN
REGOUT
CLOCK
PLL
IOVDD
MCLKI
IO
TSTO
XP XN YP YN TVDD TGND
IRQB
PLLC
Figure 1. Block Diagram
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
This product has no designed protection against radioactive rays
1/86
TSZ02201-0V2V0E500110-1-2
26.Oct.2015 Rev.002

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