R2S15902FP
6ch Electronic Volume with 4 Input Selector
REJ03F0152-0100
Rev.1.0
Nov.22.2005
Description
R2S15902FP is an audio signal processor for home audio. This IC contains 6 channels electronic volume, gain control,
input selector and 2 band tone control.
Features
•
•
•
•
•
•
•
•
•
6 channels independent electronic volume (0 to –99dB/1dBstep, –∞dB)
6 channels independent gain control (0 to +14dB/ 2dB step)
L/R channel 4 input selector (Input gain: 0 to +14dB/ 2dB step)
Multi channel input: 6 channels input
Tone control Bass: –14 to + 14dB(2dB step),
Treble: –14 to + 14dB(2dB step)
Can use 1 input for REC output (REC output gain: 0, +2, +4, +6dB)
Built-in ADC output (Input Att: 0/ –6/ –12/ –18dB)
Built-in L+R/ L–R block
Built-in digital power supply
Recommended Operating Condition
Supply voltage range
V
CC
= 8.0V to 10.0V: 9.0V(typ)
Application
Receiver, AV amp, Home theater, Mini stereo etc.
System Block Diagram
REC OUT
(4)
Multi Multi
Rin Lin
Lch Tone Rch Tone
DGND
CLOCK DATA
MCU I/F
Input Selector
Tone
Input Gain
Volume
Bass&
Treble
REC
Gain
Input Gain
Volume
Bass&
Treble
Gain Control
Rout
Gain Control
Lout
1
Lch
2
3
LoSL
Input
ATT
+
-
Lch
(L-R)
SLin
MSLin
SRin
MSRin
Cin
MCin
SWin
MSWin
Volume
Gain Control
SLout
ADCL
(L-R)
Volume
Gain Control
SRout
1
Rch
2
3
Input Selector
REC
Gain
Input
ATT
LoSR
+
-
Rch
(L+R)
Volume
Gain Control
Cout
ADCR
(L+R)
Volume
Gain Control
SWout
(4)
REC OUT
AGND
Vref
VCC
Rev.1.0 Nov 22, 2005 page 1 of 15
RENESAS [ RENESAS TECHNOLOGY CORP ]
