English
Language : 

BU26156RFS Datasheet, PDF (1/95 Pages) Rohm – Monoraul MIC Input with ALC
Datasheet
24bit Audio CODEC series
3W+3W Class AB/D Speaker AMP
Stereo Audio CODEC
BU26156RFS
General Description
BU26156RFS is Low Power Stereo Audio CODECs with
built-in various acoustic effects. BU26156RFS has stereo
line and monaural mic inputs that can input to 2Vrms,
stereo speaker amplifier that can change Class AB / D
and stereo Headphone Outputs.BU26156 also has
built-in voltage regulator for the stability of CODEC
characteristic that is sensitive to the outside noise.
Features
 24bit Stereo ADC, DAC
 2Vrms Input available, Stereo Line Input with ALC
 Monoraul MIC Input with ALC
 Switch Class AB/D 3W Stereo Speaker Amplifier
 AM Avoidance Function
 Stereo Headphone Output Amplifier
 Digital signal processing
 High Power Supply Rejection Ratio characteristic
Applications
 Radio cassette recorder
 PC Speaker
Basic Block Diagram
Important Characteristic
 Supply Voltage
SPLVDD,SPRVDD:
HVDD1:
HPVDD:
IOVDD:
 Mic-ADC SNR:
 Line-ADC SNR:
 DAC-SP SNR:
 DAC-LOUT SNR:
 Operating Temperature:
2.7V to 5.5V
2.7V to 3.6V
2.7V to 3.6V
1.65V to 5.5V
87[dB](Typ.)
93[dB](Typ.)
86[dB](Typ.)
95[dB](Typ.)
-20℃ to +85℃
Package
HTSSOP-A44R
W(Typ.) x D(Typ.) x H(Max.)
18.50mm x 9.50mm x 1.00mm
Figure 1. HTSSOP-A44R
Figure 2.
○Product structure:Silicon monolithic integrated circuit
www.rohm.co.jp
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/92
TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001