Preliminary
M61531FP
6ch Electronic Volume with 10 Input Selectors
REJ03F0050-0110Z
Rev.1.1
Jun.01.2004
Features
Functions
Electric volume
Input selector
Multi channel input
Tone Control
Features
6 channel independent electric volume with high voltage transistor (0 to –99 dB/1 dB step, –∞ dB)
L/R channel 10 input selector
All channel 2 input selector
(1) Bass: –16 to +16 dB (2 dB step), Treble: –10 to +10 dB (2 dB step)
(2) Tone block position is selectable
(3) Tone input ATT (0/–6/–12/–18 dB)
Built-in loudness circuit of center tap type in L/Rch
4 Lines REC output (Both L and R channels)
Input ATT (for ADC: 0/–6/–12/–18 dB)
Input gain control (0/+6/+12/+18 dB)
Output gain control (0/+6/+12/+18 dB)
Built-in balance out (for ADC)
3 wire control, 3 to 5V I/F support
Loudness
REC output
Input ATT
Input gain control
Output gain control
Balance out
Bus control
Application
•
Receiver, AV Amp, Mini Stereo etc.
Recommended Operating Condition
•
Supply voltage range: AVCC = 7.0 V (Typ.), AVEE = –7.0 V (Typ.), DVDD = 2.7 to 5.5 V
System Block Diagram
CLOCK
Input Gain
Control
DVDD AVEE AVCC
REC OUTL
DGND
Multi
Rin
Multi
Lin
1
2
3
4
Lch
5
6
7
8
9
10
1
2
3
4
Rch
5
6
7
8
9
10
Tone Input ATT
Tone
Tone Block Positionis selectable.
MCU I/F
Bass&Treble
Tone
Output Gain
Control
LATCH
DATA
Rev.1.1, Jun.01.2004, page 1 of 19
10 Input selector
10 Input selector
Input ATT
(for ADC)
REC OUTR
Bass&Treble
Input Gain
Control
Output Gain
Control
Lout
Bass&Treble
Bass&Treble
Rout
Tone Input
ATT
Input ATT
(for ADC)
Multi
SLin
Balance
Out L(+) Multi
SR in
Loud L /
Balance
Out L(-) Multi
Cin
Balance
Out R(+) Multi
Loud R / SWin
Balance
Out R(-)
Input Gain
Control
Output Gain
Control
Input Gain
Control
Output Gain
Control
Input Gain
Control
Output Gain
Control
Input Gain
Control
Output Gain
Control
SLout
SRout
Loud L
Cout
SWout
Loud R
GND
RENESAS [ RENESAS TECHNOLOGY CORP ]
