SA589 Sames, SA589 Datasheet - Page 9

• Manufacturer Part Number: SA589
• Description: LD/DTMF SWITCHABLE DIALLERS WITH DEDICATED KEYS FOR 20 MEMORIES
• Manufacturer: Sames

DR-00687
H O O K S W I T C H
K E Y P R E S S
C O L U M N
R O W
M A S K
I M P ( L O W )
M U T E
M F O U T
1 0 0 m s
M F O U T
DR-00686
Typical values:
R1
R2
R4 + R3 = 10k
C1
C2
" 5 "
17
Fig. 5 DTMF mode timing diagram
" 5 "
= 56k
= 56k
= 1.3nF
= 470pF
R 1
SA589
Fig. 4 DTMF tone filtering
R 2
1 0 0 m s
" 8 "
1 0 0 m s
" 8 "
FILTIN
8
C 1 2
C 1
" T B R "
9
F I L T O U T
V
D D
O U T P U T
O N H O O K
T I M E O U T
V
" 9 " S H O R T E N E D
S S
SA589 FAMILY
" 9 "
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