BU7861KN_10 Datasheet, PDF (1/14 Pages) Rohm – Mixer & Selector IC with PCM CODEC and 16bit D/A Converter

Audio Accessory ICs for Mobile Devices
Mixer & Selector IC
with PCM CODEC and 16bit D/A Converter
BU7861KN
No.10087EAT04
●Description
The “In/Output Selector with Built-in PCM Codec 16bit D/A Converter” LSI is ideal for improving the sound quality of and
miniaturizing cellular phone handsets with music playback function, accumulating analog circuits for sound which application
CPUs and bass band LSIs are not ideally able to handle.
●Features
1) Loaded with stereo 16bit audio D/A converter
2) Compatible with stereo and analog interfaces
3) Built-in stereo headphone amp (16Ω)
4) Lowpass correction circuit built into the headphone amp
5) Gain-adjustable volume built in
6) Flexible mixing function built in
●Applications
Portable information communication devices such as cellular phone handsets and PDA (Personal Digital Assistants)
Cellular phone handsets with music playback function
●Absolute maximum ratings
Parameter
Supply Voltage
Power Dissipation
Symbol
Ratings
Unit
DVDD
AVDD, PVDD
-0.3 ～ 4.5
V
Pd
500 *1
mW
Operational Temperature Range
T_OPR
-25 ～ +80
℃
Storage Temperature Range
T_STG
-55 ～ +125
℃
*1 When used at over Ta=25℃, lessen by 5.0mW per 1℃ increase.
●Operating conditions
Parameter
Digital Supply Voltage
Analog Supply Voltage
Power Supply Voltage
PLL Synchronous Signal Frequency
Symbol
DVDD
AVDD
PVDD
FSYNC
Ratings
Unit
Min. Typ. Max.
2.7
3.0
3.3
V
2.7
3.0
3.3
V
2.7
3.0
3.3
V
－
8
－
kHz
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2010.09 - Rev.A