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Panasonic Electronic Components Datasheet

MN6474A Datasheet

D/A Converter for Digital Audio Equipment

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MN6474A pdf
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For Audio Equipment
MN6474A
D/A Converter for Digital 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
Pin Assignment
LRPOL
LRCLK
BCLK
SRDATA
DVSS3
DVDD
384FS
PD
MDATA
MCLK
33
34
35
36
37
38
39
40
41
42
21 OUTR(–)
20 AVSS1
19 AVSS2
18 OUTR(+)
17 AVDD2
16 N.C.
15 AVDD3
14 OUTL(+)
13 AVSS3
12 AVSS4
11 OUTL(–)
(TOP VIEW)
QFP042-P-1414A
Applications
CD players and other digital audio equipment
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Panasonic Electronic Components Datasheet

MN6474A Datasheet

D/A Converter for Digital Audio Equipment

No Preview Available !

MN6474A pdf
MN6474A
Block Diagram
For Audio Equipment
LRPOL
LRCLK
BCLK
SRDATA
IE
33
34
35
36
3
S/P
Converter
FIR 1
FIR 2
Microcomputer Interface
Timing Generator
Noise
Shaping
Logics
PWM
Logics
(R)
PWM
Logics
(L)
Analog
Block
(R)
21
18
OUTR(–)
OUTR(+)
Analog
Block
(L)
14
11
OUTL(+)
OUTL(–)


Part Number MN6474A
Description D/A Converter for Digital Audio Equipment
Maker Panasonic Semiconductor
Total Page 6 Pages
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1 MN6474A D/A Converter for Digital Audio Equipment Panasonic Semiconductor
Panasonic Semiconductor
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