LC73861 Datasheet, PDF (1/5 Pages) Sanyo Semicon Device – DTMF Receiver LSI

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}
SANYO : DIP8
Specifications
Absolute Maximum Ratings at Ta = 25°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
Conditions
Ta % 85°C
Ratings
Unit
–0.3 to +6.0
V
–0.3 to V_DD +0.3
V
–10 to +10
mA
–0.3 to V_DD +0.3
V
500
mW
–40 to +85
°C
–50 to +125
°C
Allowable Operating Conditions at Ta = –40°C to +85°C, V_SS = 0 V
Parameter
Operating supply voltage
High-level input voltage
Low-level input voltage
Symbol
V_DD
V_IH
V_IL
ACK pin
ACK pin
Conditions
min
typ
max Unit
4.5
5.5 V
0.7V_DD
V
0.3V_DD V
DC Electrical Characteristics at Ta = 25°C ± 2°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
max Unit
3
7
mA
–0.4
mA
1
mA
10
kΩ
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