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MN6474A Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part No. MN6474A
Description  D/A Converter for Digital Audio Equipment
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Maker  PANASONIC [Panasonic Semiconductor]
Homepage  http://www.panasonic.com/industrial/
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For Audio Equipment
Overview
The MN6474A is a CMOS digital-to-analog converter
with a built-in 16-bit digital filter for pulse code
modulation (PCM) digital audio equipment.
It uses noise shaping technology to convert a digital
signal into a PWM signal.
It contains a 4-fold oversampling digital filter that
permits simplification of the low pass filter after the D/A
converter, thus greatly reducing the power consumption
of the entire D/A conversion system.
The chip provides both regular and inverted phase
outputs for both channels.
The chip contributes to cost and size reductions for CD
players and other digital audio equipment.
Features
Built-in 4-fold oversampling digital filter
(ripple of only ±0.0072 dB within the supported
band and attenuation of 62.7 dB within the cutoff
band)
Internal resolution of 18 bits
Two's complement input (I2S input code also supported)
Built-in overflow limiter
No zero cross distortion
Sample-and-hold circuit is unnecessary
Output pin for detecting zero input
Single 5V power supply
Applications
CD players and other digital audio equipment
MN6474A
D/A Converter for Digital Audio Equipment
Pin Assignment
LRPOL
LRCLK
BCLK
SRDATA
DVSS3
DVDD
384FS
PD
MDATA
MCLK
33
34
35
36
37
38
39
40
41
42
21
20
19
18
17
16
15
14
13
12
11
OUTR(–)
AVSS1
AVSS2
OUTR(+)
AVDD2
N.C.
AVDD3
OUTL(+)
AVSS3
AVSS4
OUTL(–)
QFP042-P-1414A
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