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YAMAHA CORPORATION
YAMAHA CORPORATION


YAC520

High Grade Volume Control


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YAC520 pdf
YAC520
HGVC1
High Grade Volume Control
s Outline
YAC520(HGVC1) is a high grade stereophonic digital volume for high end audio system.
www.DataShIsetteeptp4rsoUvw.icdiotehms w0.i5dedBdypnearmsitcerpa.nTgheeanudseloowf
distortion as
16 bit serial
well,
data
and can control individual channels in 256
interface allows daisy chain connection of
several devices for multi channel system.
Zero Crossing Detection function suppresses audible noise at quick change of the volume.
YAC520 operates on a single 5 volt power supply, and it is possible to input signal of up to 7.9Vrms by
using three types of connection methods.
Development evaluation board, DMB-HGVC1, equipped with PC interface is available.
s Features
q Wide volume range
(can be used in three ways)
q Adjustment step
q Gain Error
q Low distortion factor
q Low residual noise
A: +32.0 to 95.0dB IN1=IN2
(Input < 2.0Vrms @VDD=5V)
B: +29.5 to 97.5dB IN2=GND (Input < 2.6Vrms @VDD=5V)
C: +20.0 to 107.0dB IN1=GND (Input < 7.9Vrms @VDD=5V)
adjustable in 256 steps, with 0.5dB per step
± 0.1dB
0.001% (input=150 mVrms, gain=+16dB)
1 µVrms (gain=- )
s Others
Process
Package
Power supply voltage
Operating temperature
Power consumption
CMOS process
20 SSOP (YAC520-E)
5V
0 to +70 ºC
100 mW @VDD=5.0 V
YAC520 CATALOG
CATALOG No.: LSI-4AC520A4
2001.12



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YAC520 pdf
s Block Diagram
YAC520
LIN2
www.DataSheet4U.coLImN1
DVSS
DVDD
AVSS
AVDD
RIN1
RIN2
VREF
+
-
256
L
Zero Cross
Detection
R
Reset
Control
Register
256
Vref
Generator
&
Reset
pulse
Generator
16
S/P
Register
-
+
VREF
LOUT
VREF
ICN
TE
ZCEN
SDATAO
SDATAI
CSN
SCLK
ROUT
2



Part Number YAC520
Description High Grade Volume Control
Maker YAMAHA CORPORATION - YAMAHA CORPORATION
Total Page 16 Pages
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