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BU8709KN, BU8709KN-E2, BU8719KV

Table of contents:
Info of BU8709KN
Info of BU8709KN-E2
Info of BU8719KV

BU8709KN, BU8709KN-E2, BU8719KV Selling Leads, Datasheet

MFG:ROHM Package Cooled:LCC-48 D/C:03

BU8709KN, BU8709KN-E2, BU8719KV Datasheet download

Five Points

Part Number: BU8709KN

MFG: ROHM

Package Cooled: LCC-48

D/C: 03

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BU8709KN General Description

BU8709KN is a melody sound source LSI for cellular phones. This LSI generates 64 high quality polyphonic tones through high sampling rate (fs=44.1KHz).

1 ADPCM encoder and 2 ADPCM decoders functions are embedded, providing mixing capabilities. It can customize output sounds by an equalizer function and display the signals by Graphic Equalizer. It also has Reverb function, as well as LED & Vib synchronization.

BU8709KN Maximum Ratings

Parameter	Symbol	Limits	Unit	Conditions
Max. I/O supply voltage	VDDIO	0.3 ~ 4.5	V	DVDD_IO, AVDD
Max. CORE supply voltage	VDDCO	0.3 ~ 3.5	V	DVDD_CORE
Voltage applied to pin	VIN	DVSS0.3 ~ VDDIO+3.5	V
Input current	IIN	1 ~ +1	A
Power dissipation	Pd	500	mW	Warranty setting of single IC
Storage temperature range	Tstg	50 ~ 125
Operating temperature range	Topr	30 ~ 85

*Derating : 5.0mW/ for operation above Ta=25

BU8709KN Features

· Simultaneous generation of up to 64 polyphonic tones out of a tone palette of 222 sounds
· High-quality tone reproduction using Fs=44.1kHz, two-voice method
· 12bit pitch bending and modulation support
· Stereo and monaural modes
· Built-in equalizer (3 channels) and vibration function
· Built-in LED (3 channels)
· Built-in reverb function
· Plays up to four songs simultaneously
· Built-in ADPCM encoder (1 channel) and decoder (2 channel), enables mixing with melody
·Select among m-law, A-law, and linear input for encoder
·Control from CPU using serial or parallel interface
·Built-in FIFO for sound source and ADPCM to reduce CPU's processing load
·Built-in graphic equalizer (7-band)
·Supports digital output (standard format or IIS format)
·Provides 1-Poly mode for low power consumption

BU8709KN Typical Application

·Sound source for cellular phones and portable appliances

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