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Audio Equipment. MN6474A Datasheet

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Audio Equipment. MN6474A Datasheet







MN6474A Equipment. Datasheet pdf. Equivalent




MN6474A Equipment. Datasheet pdf. Equivalent





Part

MN6474A

Description

D/A Converter for Digital Audio Equipment

Manufacture

Panasonic Semiconductor

Datasheet
Download MN6474A Datasheet


Panasonic Semiconductor MN6474A

MN6474A; ( DataSheet : www.DataSheet4U.com ) For Audio Equipment MN6474A D/A Converter for Digital Audio Equipment Overview T he MN6474A is a CMOS digital-to-analog converter with a built-in 16-bit digita l filter for pulse code modulation (PCM ) digital audio equipment. It uses nois e shaping technology to convert a digit al signal into a PWM signal. It contain s a 4-fold oversam.


Panasonic Semiconductor MN6474A

pling digital filter that permits simpli fication of the low pass filter after t he 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 contribute s to cost and size reductions for CD pl ayers and other digital audio equipment . Pin Assignment .


Panasonic Semiconductor MN6474A

LRPOL LRCLK BCLK SRDATA DVSS3 DVDD 384F S PD MDATA MCLK 33 34 35 36 37 38 39 4 0 41 42 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 19 2FS ZFLGB NSUB DVSS2 DVDD2 N.C. X1 X2 D VSS1 DVDD1 AVDD1 Built-in 4-fold overs ampling digital filter (ripple of only ±0.0072 dB within the supported band a nd attenuation of 62.7 dB within the cu toff band) Internal.



Part

MN6474A

Description

D/A Converter for Digital Audio Equipment

Manufacture

Panasonic Semiconductor

Datasheet
Download MN6474A Datasheet




 MN6474A
( DataSheet : www.DataSheet4U.com )
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
www.DataSheet4U.com





 MN6474A
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(–)





 MN6474A
For Audio Equipment
MN6474A
Pin Descriptions
Pin No. Symbol
1 MLD
2 RSTB
3 IE
4 TP1
5 TP2
6 TEST1
7 TEST2
8 N.C.
9 N.C.
10 AVDD4
11 OUTL(–)
12 AVSS4
13 AVSS3
14 OUTL(+)
15 AVDD3
16 N.C.
17 AVDD2
18 OUTR(+)
19 AVSS2
20 AVSS1
21 OUTR(–)
22 AVDD1
23 DVDD1
24 DVSS1
25 X2
26 X1
27 N.C.
28 DVDD2
29 DVSS2
30 NSUB
31 ZFLGB
32 192FS
33 LRPOL
34 LRCLK
35 BCLK
36 SRDATA
37 DVSS3
Function Description
Microcomputer command load input ("L" level to load)
Reset pin (active "L").
Always pull this pin low after applying the power.
Input format selection pin.
"H" level; I2S format
"L" level; signal processing LSI format.
Digital filter test output pin 1. Leave this pin open.
Digital filter test output pin 2. Leave this pin open.
Digital filter test input pin 1. Keep this pin at "L" level.
Digital filter test input pin 2. Keep this pin at "L" level.
No connection Leave these pins open.
No connection Leave these pins open.
Power supply pin 4 for analog circuits. (+5V)
Left channel inverted phase PWM output pin.
Ground pin 4 for analog circuits.
Ground pin 3 for analog circuits.
Left channel normal phase PWM output pin.
Power supply pin 3 for analog circuits. (+5V)
No connection Leave this pin open.
Power supply pin 2 for analog circuits. (+5V)
Right channel through phase PWM output pin.
Ground pin 2 for analog circuits.
Ground pin 1 for analog circuits.
Right channel inverted phase PWM output pin.
Power supply pin 1 for analog circuits. (+5V)
Power supply pin 1 for digital circuits. (+5V) (Power supply for oscillator circuit)
Ground pin 1 for digital circuits.
(Ground for oscillator circuit)
Crystal oscillator pin.
Crystal oscillator pin. (External clock input pin)
No connection Leave this pin open.
Power supply pin 2 for analog circuits. (+5V)
Ground pin 2 for digital circuits.
Connect to D-VDD.
(Silicon substrate potential fixing pin)
Output pin for detecting zero input.
192fs(=9.216 MHz)output pin.
Max. load capacity: 30 pF.
LRCLK polarity selection pin. "H" level; selects the left channel
"L" level; the right channel.
LRCLK pin. When the LRPOL pin is at "H" level, "H" level in this pin indicates left
channel data input; "L" level indicates right channel data input. When the LRPOL pin
is at "L" level, "L" level in this pin indicates left channel data input; "H" level input
indicates right channel data input.
Serial input bit clock
Serial input data (digital) input pin.
Ground pin 3 for digital circuits.



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