MUSES72320
±18V Operation 2-Channel Electronic Volume
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GENERAL DESCRIPTION
The
MUSES72320
is a ±18V operation 2-channel
electronic volume, which is optimized for high-end audio
and professional audio applications with advanced circuitry
and layout. The
MUSES72320
performs low noise and low
distortion characteristics and with resistance ladder circuit.
All of functions are controlled via three-wired serial bus.
Selectable 8-Chip address is available for using four chips
on same serial bus line.
It’s suitable for highly linear volume control of Hi-fi audio
systems.
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PACKAGE OUTLINE
MUSES72320V
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FEATURES
q
Operating Voltage
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3-Wired Serial Control
q
Selectable 8-Chip Address
q
Low Output Noise
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Low Distortion
q
Volume
q
q
q
q
±8.5 to ±18V
Chip Address Select Function
Available for using eight chips on same serial bus line
*It conforms to the characteristic of an external operational amplifier.
*It conforms to the characteristic of an external operational amplifier.
0dB to –111.5dB /0.25dBstep, MUTE
+31.5 to 0dB / 0.5dBstep
Channel Separation
-120dB typ.
Zero Cross Detection circuit Detection
CMOS Technology
Package Outline
SSOP32
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BLOCK DIAGRAM
InA
InB
V
+
Zero Cross Detection
Z/ C
D_VDD
+5V
D_REF
Control Logic
V-
DATA LATCH ADR0 ADR2
CLOCK
ADR1
Ver. 0.6E
–1–
NJRC [ NEW JAPAN RADIO ]
