M61540FP Datasheet, PDF (1/17 Pages) Hitachi Semiconductor – 6ch Electronic Volume with 5 Input Selector

Preliminary
M61540FP
6ch Electronic Volume with 5 Input Selector
REJ03F0117-0100Z
Rev.1.0
May.31.2004
Description
M61540FP is an audio signal processor for home audio. This IC contains 6 channel electronic volume, gain control,
input selector and 2 band tone control.
Features
• Electric Volume
• Gain Control
• Input Selector
• Multi Channel Input
• Tone Control
• REC Output
• ADC Out
6 channel independent Electronic Volume with High Voltage Transistor.
(0 to –99dB/1dBstep, –∞dB)
6 channel independent Gain Control (0, 6, 12, 18dB)
L/R channel 5 Input Selector
6 channel Input
Bass: –14 to + 14dB(2dB step),
Treble: –14 to + 14dB(2dB step)
Can use 2 Input for REC Output
Built-in ADC out
Recommended Operating Condition
Supply Voltage Range AVCC = 7.0V(typ), AVEE = –7.0V(typ), DVDD = 3.0 to 5.5V
System Block Diagram
REC OUT
(4) (5)
Multi Multi
Rin Lin
Lch Tone RchTone CLOCK DATA
1
Lch 2
3
Volume
Volume
Tone
Bass&
Treble
Bass&
Treble
MCU I/F
Gain Control
Lout
Gain Control
Rout
1
Rch 2
3
Input
ATT
Input
ATT
Multi
Out L Cin
for
ADC ^Multi
SWin
Out R ^Multi
for ^SLin
ADC _Multi
SRin
Volume
Volume
Volume
Volume
Gain Control
Gain Control
Gain Control
Gain Control
Cout
SWout
SLout
SRout
GND
(4) (5)
REC OUT
VOL GND
DGND
DVDD AVEE AVCC
Rev.1.0, May.31.2004, page 1 of 16