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コンポーネント説明
MT88L70 データシートの表示(PDF) - Zarlink Semiconductor Inc
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コンポーネント説明
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MT88L70
3 Volt Integrated DTMF Receiver
Zarlink Semiconductor Inc
MT88L70 Datasheet PDF : 16 Pages
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MT88L70
Data Sheet
Applications
A single-ended input configuration is shown in Figure 6. For applications with differential signal inputs the circuit
shown in Figure 5 may be used.
DTMF
Input
C
1
R
1
R
2
X-tal
V
DD
MT88L70
IN+
IN-
GS
V
Ref
INH
PDWN
OSC1
OSC2
V
SS
V
DD
St/GT
ESt
StD
Q4
Q3
Q2
Q1
TOE
C
2
R
3
NOTES:
R
1
, R
2
= 100 k
Ω ±
1%
R
3
= 300 k
Ω ±
1%
C
1
,C
2
= 100 nF
±
5%
X-tal = 3.579545 MHz
±
0.1%
V
DD
= 3.0V + 20% / -10%
Figure 6 - Single-Ended Input Configuration
7
Zarlink Semiconductor Inc.
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