R2S15902FP Datasheet, PDF (1/16 Pages) Renesas Technology Corp – 6ch Electronic Volume with 4 Input Selector

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
1
Lch 2
3
1
Rch 2
3
REC OUT
(4)
Multi Multi
Rin Lin
DGND
Lch Tone Rch Tone
CLOCK DATA
REC
Gain
Input
ATT
REC
Gain
Input
ATT
Input Gain
Input Gain
Volume
Volume
LoSL
SLin
Lch
+
-
(L -R)
MSLin
ADCL
(L-R) _SRin
MSRin
Rch
(L+R)
+
-
LoSR
ADCR
(L+R)
Cin
MCin
SWin
MSWin
Tone
Bass&
Treble
Bass&
Treble
Volume
Volume
Volume
Volume
MCU I/F
Gain Control
Lout
Gain Control
Rout
Gain Control
SLout
Gain Control
SRout
Gain Control
Cout
Gain Control
SWout
(4)
REC OUT
Vref
AGND
VCC
Rev.1.0 Nov 22, 2005 page 1 of 15