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Renesas Electronics Components Datasheet

R2A15906SP Datasheet

DIGITAL ECHO

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R2A15906SP pdf
PRELIMINARYsoNmoetipcear;aTmheitsriicslnimotitasfairnealsuspbejecciftitcoatciohnan. ge.
CONFIDENTIAL
R2A15906SP
DIGITAL ECHO WITH MIC MIXING AMP
DDISISCCRRIPIPTTIOIONN
The R2A15906SP is a CMOS IC that has a microphone peripheral circuit and
an echo generation circuit for karaoke use, on a single chip.
FFEEAATTUURREESS
Package
High-performance digital echo circuit using 44-Kbit RAM
A mic amplifier with an ALC makes it possible to handle
overload input, and the ALC operating voltage can be
externally set to the desired value.
Built-in mic volume, echo volume, and feedback volume
Internal mic mixing amplifier
Outline 28Pin SOP
1.27mm pitch
The clock has an internal current control-type oscillation
circuit, and the generation of unnecessary oscillation can
be prevented because the clock does not affect anything external to the unit.
Internal Auto Reset circuit that functions when the power supply is turned on.
MIC Volume, Echo Volume, and Feedback Volume are controlled
by I2C Bus or DC control. (Delay Time is only I2C Bus )
5 V single power supply
RREECCOOMMMMEENNDDEEDDOOPPEERRAATTININGGCCOONNDDITITIOIONN
Supply voltage …… VCC = 5.0V (typ)
SSYYSSTTEEMMCCOONNFFIGIGUURRAATTIOIONN
Lch
Input
Rch
Input
KEY
CONTROL
MIX
MIX
Lch
Output
Rch
Output
MIC MIX
MIC VOL
ALC
ECHO
ECHO
VOL
MIX
FB VOL
Delay
Output
2006/05/15
R2A15906SP ver.C
(1/14)


Renesas Electronics Components Datasheet

R2A15906SP Datasheet

DIGITAL ECHO

No Preview Available !

R2A15906SP pdf
PRELIMINARYsoNmoetipcear;aTmheitsriicslnimotitasfairnealsuspbejecciftitcoatciohnan. ge.
CONFIDENTIAL
R2A15906SP
DIGITAL ECHO WITH MIC MIXING AMP
BBLLOOCCKKDDIAIAGGRRAAMMAANNDDPPININCCOONNFFIGIGUURRAATTIOIONN
VREF 1
VCC 2
REF
ALC_TC 3
ALC_LC 4
MIC IN 5
MIC NFIN 6
MIC OUT 7
MICVOL IN 8
Control MIC
Volume
MIX OUT 9
LPF1 IN 10
LPF1 OUT 11
NC / FEEDBACK VOL 12
BUS/DC 13
MCLK 14 MCLK
28 MIX OUT
27 MIX NFIN
26 ECHO VOL IN
25 LPF2 OUT
24 LPF2 IN
23 OP2 OUT
22 OP2 IN
21 CC2
20 CC1
19 OP1 OUT
18 OP1 IN
17 GND
16 SCL/ECHO VOL
15 SDA/MIC VOL
2006/05/15
R2A15906SP ver.C
(2/14)


Part Number R2A15906SP
Description DIGITAL ECHO
Maker Renesas
Total Page 14 Pages
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R2A15906SP pdf
R2A15906SP Datasheet PDF
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