M65845AFP Datasheet, PDF (14/15 Pages) Mitsubishi Electric Semiconductor – DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

M65845AFP _{PRELIMINARY Nsootmicee}
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DIGITAL ECHO WITH
MITSUBISHI SOUND PROCESSOR
MICROPHONE MIXING CIRCUIT
ICs
COMPATIBILITY WITH M65845FP
<APPLICATION EXAMPLE IN USE M65845FP>
Units Resistance :Ω
5k
*2
MIC1
0.22µ
1 ^MICIN
4.7µ
2 ^ALC1
0.33µ
2.2k
*1
3 ^MIC1NFIN
*2 150k
0.1µ
*2
5k
200p _*1
4 ^MIC1OUT
0.1µ
5 ^MIC1VOLIN
30kΩ
*2
MIC2
*2
0.22µ
6 ^MIC2IN
4.7µ
0.33µ 2.2k
7 ^ALC2
*1
8 ^MIC2NFIN
*2 ^150k
0.1µ
200p _*1
9 ^MIC2OUT
0.1µ
*2
10 ^MIC2VOLIN
30kΩ
*2
*2
0.027µ
10k ^15k
11 ^MICOUT
12 ^LPF1IN
15k
2700p
13 ^LPF1OUT
0.15µ
VCFIL ₃₆
VALC ₃₅
AUDSW2 ₃₄
D2
Capacitance:F
0.01µ
51k
24k
VCC
AUDSW1 ₃₃
D1
CLOCK ₃₂
*2
39k
VCC
MICSW 31
MICECHO
OUT
30
LLINEOUT ₂₉
RLINEOUT 28
100p ^*1
MIC
SW
2.2µ
Lout
2.2µ
Rout
LLINEIN 27
1µ
Lin
RLINEIN ₂₆
1µ
Rin
ECHO
VOLIN
0.1µ
25
*2 30kΩ
*2 ^0.1µ
LPF2OUT 24
*1 3k
2700p
15k
0.047µ
*1
0.068µ
*1
14 ^ADINTIN
30
15 ^ADINTOUT
LPF2IN 23
DAINTOUT ₂₂
10k
0.027µ
15k
*2
0.22µ
47µ
16 ^ADCONT
17 ^REF
18 ^GND
DAINTIN ₂₁ ^0.068µ
DACONT 20
0.22µ
VCC ₁₉
VCC
0.1µ
100µ
0.15µ
*2
Feed Back
30k
As mentioned above, the M65845AFP can be replaced with the M65845FP
without changing the board.
Note _{*1: The components marked with a circle are required for the M65845FP, not for}
the M65845AFP.
*2: The M65845AFP is different from the M65845FP a part of the components
marked with a circle.
MITSUBISHI
ELECTRIC
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