Ordering number: EN4431A
CMOS LSI
LC73861, LC73862
DTMF Receiver LSI
Overview
The LC73861 and LC73862 are DTMF signal detector receiver
that incorporates all the necessary filters for telephone
answering machines.
Package Dimensions
unit : mm
3001B-DIP8
[LC73861, LC73862]
Features
.
16-DTMF tone signal decoder
.
DTMF receiver with all necessary filters built-in
.
Dial tone filter
.
High-group bandpass filter
.
Low-group bandpass filter
.
Extended dynamic range
.
Serial data output
.
Microcontroller guard-time compatible
.
4.5 to 5.5 V operating supply voltage range
Specifications
Absolute Maximum Ratings
at Ta = 25擄C, V
SS
= 0 V
Parameter
Maximum supply voltage
Maximum input voltage
Maximum input current
Maximum output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
DD
max
V
IN
max
I
IN
max
V
OUT
max
Pd max
Topr
Tstg
Ta
%
85擄C
Conditions
Ratings
SANYO : DIP8
Unit
V
V
mA
V
mW
擄C
擄C
鈥?.3 to +6.0
鈥?.3 to V
DD
+0.3
鈥?0 to +10
鈥?.3 to V
DD
+0.3
500
鈥?0 to +85
鈥?0 to +125
Allowable Operating Conditions
at Ta = 鈥?0擄C to +85擄C, V
SS
= 0 V
Parameter
Operating supply voltage
High-level input voltage
Low-level input voltage
Symbol
V
DD
V
IH
V
IL
Conditions
ACK pin
ACK pin
min
4.5
0.7V
DD
typ
max
5.5
0.3V
DD
Unit
V
V
V
DC Electrical Characteristics
at Ta = 25擄C
鹵
2擄C, V
DD
= 5 V, V
SS
= 0 V
Parameter
Operating supply current
High-level output current
Low-level output current
Input impedance
Symbol
I
DD
(op)
I
OH
I
OL
Zin
Conditions
V
OUT
= 4.6 V, SD and EST pins
V
OUT
= 0.4 V, SD and EST pins
INPUT pin
min
typ
3
max
7
鈥?.4
Unit
mA
mA
mA
k鈩?/div>
1
10
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
93097HA(II)/90793JN B8-0375 No.4431-1/5
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