BU7858KN_10 Datasheet, PDF (1/25 Pages) Rohm – Mixer & Selector ICs with 16bit D/A Converter

Audio Accessory ICs for Mobile Devices
Mixer & Selector ICs
with 16bit D/A Converter
BU7858KN,BU7893GU
No.10087EAT03
●Description
This LSI is mounted with stereo 16bit D/A Converter and suitable for higher sound quality and miniaturization of cellular
phone with music play. BU7893GU has a 3D surround enhancement function and hence can play the wide-spreading
stereo sound from stereo speakers that are arranged nearby.
●Features
1) Mounted with Stereo 16bit audio D/A converter
2) Compatible with Stereo analogue interface
3) Stereo headphone amplifier (16Ω)
4) Low-band corrective circuit in headphone amplifier
5) Volume that can adjust the gain
6) Flexible mixing function
●Applications
Portable information & communication equipments such as cellular phone and PDA (Personal Digital Assistant) etc.
Cellular phone with music play
●Line up matrix
Function
Stereo audio D/A converter
Stereo audio interface format
3D surround enhancement function
3 band equalizer
Stereo headphone amplifier
Line output (600Ω driver)
Headphone amplifier low-band correction function
Click noise reduction function
Package
BU7858KN
16bit
16bit Right justified
18bit Right justified
IIS
No
No
16Ω driver
Yes
Built-in
Yes
(headphone only)
VQFN28
BU7893GU
16bit
16bit Left justified
16bit Right justified
IIS
Yes
Yes
16Ω driver
No
Built-in
Yes
VCSP85H3
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2010.09 - Rev.A