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PDF BU8709KN Data sheet ( Hoja de datos )
| Número de pieza | BU8709KN | |
| Descripción | Melody sound source LSI for cellular phone | |
| Fabricantes | ETC | |
| Logotipo |  |
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03W024A
Melody sound source LSI for cellular phone
BU8709KN
Description
Dimension (Unit : mm)
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.
1.4 ± 0.1
0.6
+0.1
-0.3
0.4
7.2 ± 0.1
7.0 ± 0.1
36 25
37 24
48
1
13
12
Features
0.18 ± 0.05 0.05 M
12˚
12˚
1) Simultaneous generation of up to 64 polyphonic tones
out of a tone palette of 222 sounds
2) High-quality tone reproduction using Fs=44.1kHz,
two-voice method
QFN48U
3) 12bit pitch bending and modulation support
4) Stereo and monaural modes
5) Built-in equalizer (3 channels) and vibration function
6) Built-in LED (3 channels)
7) Built-in reverb function
8) Plays up to four songs simultaneously
9) Built-in ADPCM encoder (1 channel) and decoder (2 channel), enables mixing with melody
10)Select among µ-law, A-law, and linear input for encoder
11)Control from CPU using serial or parallel interface
12)Built-in FIFO for sound source and ADPCM to reduce CPU's processing load
13)Built-in graphic equalizer (7-band)
14)Supports digital output (standard format or IIS format)
15)Provides 1-Poly mode for low power consumption
0.05
Applications
Sound source for cellular phones and portable appliances
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Max. I/O supply voltage
Max. CORE supply voltage
Voltage applied to pin
Input current
Power dissipation
Symbol
VDDIO
VDDCO
VIN
IIN
Pd
Limits
–0.3 ~ 4.5
–0.3 ~ 3.5
DVSS–0.3 ~ VDDIO+3.5
–1 ~ +1
500
Storage temperature range Tstg
–50 ~ 125
Operating temperature range Topr
∗Derating : 5.0mW/˚C for operation above Ta=25˚C
–30 ~ 85
Unit
V
V
V
µA
mW
˚C
˚C
Conditions
DVDD_IO, AVDD
DVDD_CORE
Warranty setting of single IC
February, 2003
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet BU8709KN.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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