BU7858KN_07 Datasheet, PDF (1/25 Pages) Rohm – Mixer & Selector With 16bit D/A Converters

TECHNICAL NOTE
Sound Path Selector LSI Series
Mixer & Selector
With 16bit D/A Converters
BU7858KN，BU7893GU
●OUTLINE
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.
●FEATURE
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
●APPLICATION
Portable information & communication equipments such as cellular phone and PDA (Personal Digital Assistant) etc.
Cellular phone with music play
●LINEUP
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
Oct. 2007