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PDF M62498 Data sheet ( Hoja de datos )

Número de pieza M62498
Descripción DIGITAL SOUND CONTROLLER WITH SURROUND
Fabricantes Mitsubishi 
Logotipo Mitsubishi Logotipo



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MITSUBISHI SOUND PROCESSORS
M62498FP
DIGITAL SOUND CONTROLLER WITH SURROUND
DESCRIPTION
The M62498FP is an optimum digital sound controller IC for home audio.
It has a 5ch input selector,input volume,surround(3 variation),tone control(3 band),loudness and
2ch master volume.
It can control all of these functions with serial data.
FEATURES
Built-in 5ch input selector.
Built-in input volume (2dB step/3bit)
IC for Dolby-pro-logic Interface
Built-in Surround (ON/OFF,High/Middle/Low(3 variation))
Tone control (Bass/Mid/Treble)
Built-in Loudness.
Main Volume (36 step (0 to -80dB,- )
Microcomputer Interface
RECOMMENDED OPERATING CONDITIONS
PACKAGE
Outline 42P2R-A
0.8mm Pitch 450mil SSOP
(8.4mm x 17.5mm x 2.0mm)
Supply voltage range ....Vcc= 4.5~5.5 Rated supply voltage.....Vcc=5V
SYSTEM CONFIGURATION
IC for
Dolby-pro-logic
IN A1
IN B1
IN C1
IN D1
IN E1
IN A2
IN B2
IN C2
IN D2
IN E2
INPUT
VOLUME
INPUT
VOLUME
MAIN
VOLUME
A1
&
LOUDNESS
MAIN
VOLUME
A2
&
LOUDNESS
TONE CONTROL
MAIN
VOLUME
B1
SURROUND
MAIN
VOLUME
B2
µ-com INTERFACE
VOL
OUT1
VOL
OUT2
IC for
Dolby-pro-logic
CLK DATA
MITSUBISHI
ELECTRIC
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M62498 pdf
MITSUBISHI SOUND PROCESSORS
M62498FP
DIGITAL SOUND CONTROLLER WITH SURROUND
RECOMMENDED OPERATING CONDITION
(Ta=25°C,unless otherwise noted)
Parameter
Symbol Conditions MIN
TYP
MAX Units
Supply voltage VCC
4.5 5.0 5.5 V
Logic"H"level input
voltage
VIH
Logic"L"level input
voltage
VIL
GND
reference
GND
reference
2.4
GND
VCC
0.7
V
V
RELATIONSHIP BETWEEN DATA AND CLOCK
CLOCK
D0 D1 D2 D3
DATA
DD DE DF
Data signal is read at the rising
edge of clock.
Signal is latched at the rising
edge of the latch signal.
Latch signal: H
MITSUBISHI
ELECTRIC
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M62498 arduino
MITSUBISHI SOUND PROCESSORS
M62498FP
DIGITAL SOUND CONTROLLER WITH SURROUND
FUNCTION DESCRIPTION
(1)Main volume
This IC has 2 system independence electron volume of low warp percentage and low noise.
0dB~ -dB attenuation quantity can be set with 36 steps(0dB~ -44dB:2dB step,-44dB~ -76dB:4dB step,
-77dB ~ -80dB:1dB step).
The attenuation quantity to 0~ -16dB can be set in A1 Vol.
The attenuation quantity to 0~ -64dB can be set in B1 Vol.They are possible to control.
Equivalent circuit of MAIN VOLUME block
A VOL input
selector
0dB~ -16dB:
2dB step
VSELA OUT1,2
17,26pin
Tone
&
Surround
block
Condenser for the
changing noise
reduction
+-VSEL1B7,O26UpTin1,2V1O8,L25INpi1n,2
B VOL input
selector
VOL OUT1,2
19,24pin
+-
0dB~ -28dB:2dB step
-28dB~ -60dB:4dB step
-61dB~ -64dB:1dB step
(2)Input selector,Input volume
This IC has 5 input selector of 2ch and Input volume of 2ch for Input TRIMMER.
The input selector D, E input is either of -8 dB of 0dB/ a choice in the input level with ATT SW.
The input volume of 0~-14dB can be set with the 2 dB step.
100k
A
100k
B
100k
C
12k
D
9.5k
E
12k
9.5k
D Input ATT SW
(0dB/-8dB)
Note1) When inputting a signal above the power supply
voltage in D, E input choice, make ATT SW ON.
Note2)The setting of ATT SW changes the input
resistance of D, E input like the following.
ATT -8dB of D,E input setting: 20kohm(TYP value)
0dB setting : 60kohm(TYP value)
0dB~ -14dB:2dB step
50k +
- To volume input selector A
E Input ATT SW
(0dB/-8dB)
Note3) At the time of input selector A~C, E or ALL OFF
D input ATT SW becomes -8dB setting.
At the time of input selector A~D or ALL OFF D input
ATT SW becomes -8dB setting.
Note4)This SW is for the gain adjustment
in 0 dB setting in the D, E input ATT.
MITSUBISHI
ELECTRIC
( 11 / 17 )

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