M65831FP [MITSUBISHI]
DIGITAL ECHO (DIGITAL DELAY); DIGITAL ECHO （ DIGITAL DELAY ）
| 型号： | M65831FP |
| 厂家： | 
Mitsubishi Group |
| 描述： | DIGITAL ECHO (DIGITAL DELAY) |
| 文件： | 总14页 (文件大小：82K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
DESCRIPTION
The M65831A is an IC developed for producing echo effects added to voice signals
picked up by microphone for karaoke applications.
The IC has the largest memory among the digital delay series. As it’s design is aimed
at high performance, it is best suited to provide radio cassette tape recorders and
miniature unit audio system with quality echo function.
Being pin compatible with the M65830CP / FP and M65843AP / FP, the M65831AP / FP is
suitable for upgrading the series.
Outline
FEATURES
•Built-in input / output filters, A-D and D-A conver ters, and
memory realize a delay system with only a single chip
•Capable of composing low-noise and low-distortion delay
system at low cost by ADM system
(No=-92dB typ, THD=0.5% typ)
•Control mode selections available from 2 kinds : easy mode
using parallel data and microcomputer mode using serial
data
Outline 24P4 (AP)
2.54mm pitch 600mil DIP
(13.0mm X 31.1mm X 3.8mm)
•Sleep mode can be selected to stop IC functions
•Built-in automatic reset circuit
RECOMMENDED OPERATING CONDITIONS
Outline 24P2W-A(AFP)
1.27mm pitch 450mil SOP
(8.4mm X15.0mm X2.0mm)
Supply voltage range
Rated supply voltage
VCC,VDD=4.5 to 5.5V
VCC,VDD=5.0V
SYSTEM CONFIGURATION
RAM
HPF
L
MIX
MIX
BASS
BASS
MIX
MIX
L
VOCAL
CUT
LPF
HPF
KEY CONTROL
R
R
CTL
NORM
SEARCH
VISS
VISS
M65381AP/FP
MIC1
MIC2
MIC VOL
MIC AMP
MIX
MIX
MIC VOL
ECHO
ECHO VOL
MIC AMP
MITSUBISHI
ELECTRIC
1
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
Pin Configuration
VDD
XIN
Vcc
1
2
24
23
22
21
20
19
18
17
16
15
14
13
LPF1 IN
LPF1 OUT
XOUT
3
D1/REQ
D2/SCK
D3/DATA
OP1 OUT
OP1 IN
REF
4
5
6
D4/IDSW
CC1
CC2
7
TEST
EASY/µ -COM
SLEEP
8
OP2 IN
9
OP2 OUT
LPF2 IN
10
11
12
D-GND
A-GND
LPF2 OUT
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
BLOCK DIAGRAM
OP2
IN
OP2 LPF2
OUT IN
OP1
IN
LPF2
OUT
OP1
OUT
LPF1
OUT
LPF1
IN
CC2
CC1
21
20
18
17
16
15 14
13
23
22
4.7k
4.7k
MOD
DEM
OP2
OP1
LPF2
LPF1
COMP
19
REF
1/2 Vcc
D1
DO0
DO1
MO
MI
48K-bit
SRAM
RESET
CLOCK
MAIN CONTROL
DELC
AUTO
RESET
DELAY TIME
CONTROL
OSCILLATOR
9
2
7 8
10
11
12
1
24
3
4
6
5
SLEEP
XIN
D-GND A-GND
VDD
XOUT
TEST
Vcc
D1/REQ D3/DATA
D2/SCK D4/IDSW
EASY/µ -COM
Unit Resistance:W
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
PIN DESCRIPTION
Symbol
Function
Name
No.
I/O
Supply voltage
1
VDD
Digital VDD
2
3
XIN
Oscillator input
Oscillator output
I
O
I
Connects to 2MHz ceramic filter
XOUT
Easy mode:inputs D1 data
µ -COM mode:inputs request data
4
5
6
Delay1/Request
D1/REQ
Easy mode:inputs D2 data
µ -COM mode:inputs shift clock
Delay2/Shift clock
D2/SCK
I
I
Easy mode:inputs D3 data
µ -COM mode:inputs serial data
D3/DATA
Delay3/Serial data
Easy mode:inputs D4 data
µ -COM mode:controls ID code
Delay4/ID switch
Test
7
8
9
D4/IDSW
TEST
I
I
I
L=normal mode
H=easy mode
L=µ -COM mode
EASY/ µ -COM Easy/ µ -COM
H=sleep mode
L=normal mode
Sleep
10
SLEEP
I
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Digital GND
Connects to analog GND at one point
Connects to analog GND
D GND
A GND
Analog GND
Low pass filter2 output
Low pass filter2 input
OP-AMP2 output
OP-AMP2 input
Current control 2
Current control 1
Reference
LPF2 OUT
LPF2 IN
OP2 OUT
OP2 IN
CC2
O
I
O
I
Forms low pass filter with external C.R
Forms integrator with external C.R
CC1
=1/2VCC
REF
OP-AMP1 input
OP-AMP1 output
Low pass filter1 output
Low pass filter1 input
Analog VCC
OP1 IN
OP1 OUT
LPF1 OUT
LPF1 IN
VCC
I
Forms integrator with external C.R
O
O
I
Forms low pass filter with external C.R
Supply voltage
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
ABSOLUTE MAXIMUM RATINGS
(Vcc=5V,f=1kHz,Vi=100mVrms,Ta=25°C,unless otherwise noted)
Symbol
Vcc
Parameter
Conditions
Ratings
6.5
Units
V
Supply voltage
Icc
100
1
650
Circuit cuurent
mA
M65831AP
M65831AFP
W
Pd
Power dissipation
mW
Topr Operating temperature
Storage temperature
-20~+75
°C
°C
Tstg
-40~+125
THERMAL DERATING
(MAXIMUM RATING)
1000
AP
800
AFP
650
600
400
325
200
0
0
25
50
75
100 125
AMBIENT TEMPERATURE Ta (°C )
RECOMMENDED OPERATING CONDITIONS
Limits
Typ
Parameter
Conditions
Symbol
Units
V
Min
Max
Supply voltage
Supply voltage
5.5
Vcc
VDD
4.5
5
5.5
0.3
4.5
-0.3
1
5
0
2
V
V
Vcc-VDD
fck
Difference voltage
Clock frequency
High input voltage
Low input voltage
3
MHz
V
VIH
VDD
0.3VDD
0.7VDD
0
VIL
V
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
ELECTRICAL CHARACTERISTICS
(Vcc=5V,f=1kHz,Vi=100mVrms,Ta=25°C,unless otherwise noted)
Limits
Symbol
Icc
Parameter
Circuit current
Test conditions
Units
mA
Min
Typ
Max
No signal
18.0 40.0
Gv
Voltage gain
RL=47kW
dB
-3.5
0.7
-0.5
1
2.5
Maximum output voltage
Vrms
Vomax
THD=10%
1.0
1.5
fs=500kHz
30kHz LPF
0.3
0.5
-92
-40
528
528
14.0
%
THD Output distortion
fs=250kHz
DIN-AUDIO
(fs=250kHz)
Output noise voltage
No
-75 dBV
Supply voltage rejection
ratio
dB
ms
mA
DVcc=-20dBV,f=100Hz
-25
548
548
30.0
SVRR
Upon changing Delay
Time
508
508
TMUTE Mute time
Upon canceling Sleep
Mode
Circuit current
Iccs
Sleep Mode
(Sleep mode)
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
OPERATION
1) DELAY TIME
D1
L
fs
D3
D2
D4
Td
12.3
24.6
L
H
L
L
36.9
49.2
H
L
H
L
L
500
61.4
H
L
73.7
H
L
86.0
H
L
H
L
98.3
110.6
122.9
135.2
147.5
159.7
172.0
184.3
196.6
H
L
H
L
H
L
250
H
H
L
H
H
H
fs=sampling frequency(kHz)
Td=delay time(msec)
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
2) EASY MODE(EASY / µ -COM=H)
D1,D2,D3,D4 and sleep are for easy mode
D1
D2
D3
D4
SLEEP
delay time
cf 11-1)
cf 11-5)
3) µ -COM MODE(EASY / µ -COM=L)
REQ
SCK
SLEEP
DATA
MUTE
D1 D2 D3 D4
ID1 ID2 ID3
ID4
ID CODES
H=MUTE cf 11-4)
DELAY TIME cf 11-1)
H=SLEEP MODE cf 11-5)
TIMING DIAGRAM
This Timing chart shows that delay time is set by serial data from µ -COM.
DATA signal is latched at the falling edge of SCK signal,the last ten data are set at
the rising edge of REQ signal when ID codes are satisfied.
*
ID1,ID3:L
ID2
ID4
:H
*
:equal to IDSW
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
REQ,SCK,DATA INPUT TIMING
t5
REQ
SCK
t1
t4
t2 t3
ds
SLEEP
DATA
MUTE
D1 D2 D3 D4
ID1 ID2 ID3
ID4
Symbol
Parameter
min
typ
max
Units
SCK pulse width
250
nsec
%
t1
50
SCK pulse duty
DATA setup time
DATA hold time
REQ hold time
ds
t2
t3
t1/2
t1/2
100
100
100
250
nsec
nsec
nsec
t4
t5
nsec
REQ pulse width
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
4) MUTING
(1)Easy mode
Automatic mute upon changing delay time,cancelling SLEEP mode
and power-on.
(2)µ -COM mode
MUTE=H:mute
MUTE=L:automatic mute
AUTOMATIC MUTE
DELAY SIGNAL AFTER
CHANGE MODE
DELAY SIGNAL BEFORE
CHANGE MODE
MUTE TIME
(a) UPON CHANGING DELAY TIME
DELAY SIGNAL
MUTE TIME
CANCEL
SLEEP MODE
(b) UPON CANCELLING SLEEP MODE
DELAY SIGNAL
MUTE TIME
120msec
POWER ON
(c) UPON POWER-ON
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
5) SLEEP MODE
SLEEP data is
H:clock and RAM stop to reduce circuit current (SLEEP mode)
L:normal operation
6) SYSTEM RESET
Automatically reset power-on. The reset time is about
120msec.
Delay time is set at 147.5msec.
MITSUBISHI
ELECTRIC
11
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
TEST CIRCUIT
MITSUBISHI
ELECTRIC
12
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
TEST METHODS
Switch condition
* 1 or 2
notes
Sampling
Parameter
S
4
S
5
S S S
6 7 10 24 30
S
S
No
Symbol
frequency
Icc
Gv1
Gv2
Tda
Tdb
Tdc
No signal
Current circuit
1 1 1 1 1 2 2
1
500kHz
1
2
1
1
1 1 1
1 1 1
1 1 1
* * *
2 Voltage gain
250kHz
500kHz
* * *
1 1 1
2 1 1
1 2 1 1
2 2 1 1
Tdd
Tde
Tdf
1
2
1
2
1
2
1
2
1
2
1
2 1
2 1
2 1
2 1
1 2
1 2
1
1
2
2
1
1
2
2
1
1
2
Tdg
Tdh
Tdi
cf. 11-1)
3 Delay time
Tdj
Tdk
2
1
Tdl
1 2
2 2
2 2
250kHz
500kHz
Tdm
Tdn
Tdo
Tdp
Vomax 1
2
2
1
2
1
2
1
2 2 2
* * *
* * *
* * *
* * *
1 1
1 1 1
1 1 1
1 1 1
Output voltage
(max)
30kHz L.P.F.
THD=10%
4
250kHz Vomax 2
500kHz
250kHz
THD 1
THD 2
Total harmonic
distortion
30kHz L.P.F.
5
2 1
1 1
DIN AUDIO
Vi=0mVrms
Output noise
voltage
6
250kHz
No
2 1
1 1
* * *
DVcc=-20dBv,
f=100Hz
Supply voltage
rejection ratio
1 1 2
SVRR
7
* * * *
2
Upon changing Delay Time
Upon cancelling Sleep Mode
1
MUTE T
MUTE S
1 1
1 1
* *
1
*
Mute time
8
2
1
* * * *
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
APPLICATION EXAMPLE
1.EASY MODE
1µ
30k
3k
IN
0.01µ
non-porlar
1µ
5600p
15k
15k
560p
0.01µ
5600p
15k
15k
10k
0.1µ
30
2.7k
1µ
0.1µ
30
47µ
0.1µ 0.1µ
10k
OUT
560p
24 23 22 21 20 19 18 17 16 15 14 13
1
2
3
4
5
6
7
8
9
10 11 12
1M
100µ
0.1µ
2MHz
100p
100p
SETTING DELAY TIME
2.µ -COM MODE
1µ
non-porlar
30k
3k
IN
0.01µ
1µ
15k
0.01µ
5600p
15k
5600p
0.1µ
30
15k
2.7k
15k
1µ
0.1µ
30
10k
47µ 0.1µ 0.1µ
10k
OUT
560p
560p
22
14
23
17
15
13
18
16
20 19
24
21
1
2
3
4
5
6
7
8
9
10 11 12
1M
0.1µ
100µ
2MHz
100p
100p
Units Resistance W
µ -COM
Capacitance F
MITSUBISHI
ELECTRIC
14
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