Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
CMOS IC
DTMF Receiver IC
Ordering number:ENN4367
LC73860
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LC73860 is a DTMF signal detector receiver that incorporates all the necessary filters for telephone answering
machines.
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 5.5V operating supply voltage range.
• Available in 8-pin plastic DIPs (300 mil).
Specifications
Absolute Maximum Ratings at Ta=25±2˚C, VSS=0V
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
egatlovtupnIV
tnerructupnII
egatlovtuptuOV
noitapissidrewopelbawollAxamdP 005Wm
erutarepmetgnitarepOrpoT 58+ot04–
erutarepmetegarotSgtsT 521+ot05–
xam 0.6+ot3.0–V
DD
xam Vot3.0–
NI
xam 01+ot01–Am
NI
xam Vot3.0–
TUO
Ta≤85°C
Package Dimensions
unit:mm
3001C-DIP8
[LC73860]
9.14
(0.76)
1.0
8
1
0.5
2.54
5
4
(3.0)
0.51min
1.4
7.62
3.9max
3.2
6.4
0.25
SANYO : DIP8
3.0+V
DD
3.0+V
DD
˚C
˚C
Recommended Operating Conditions at Ta=–40 to +85˚C, VSS=0V
retemaraPlobmySsnoitidnoC
egatlovylppusgnitarepOV
egatlovlevel-HGIHtupnIV
egatlovlevel-WOLtupnIV
DD
HI
LI
nipKCA
nipDP
nipKCA
nipDP
51001TN (KT)/90793JN A8-9771 No.4367–1/5
sgnitaR
nimpytxam
5.45.5V
V7.0
DD
V58.0
DD
V3.0
DD
V51.0
DD
tinU
V
V
V
V
LC73860
DC Electrical Characteristics at T a=25±2˚C, VDD=5V, VSS=0V
retemaraPlobmySsnoitidnoC
tnerrucylppusgnitarepOI
tnerrucylppusybdnatSI
tnerruclevel-HGIHtuptuOI
tnerruclevel-WOLtuptuOI
ecnadepmitupnIZ
)po( 0.30.7Am
DD
VDPV5= 01Aµ
)ts(DD
V
HO
LO
ni
TUO
V
TUO
nipTUPNI01kΩ
sgnitaR
nimpytxam
snipTSEdnaDS,V6.4=4.0–Am
snipTSEdnaDS,V4.0=1Am
tinU
AC Electrical Characteristics at T a=25±2˚C, VDD=5V, VSS=0V, f
retemaraPlobmySsnoitidnoC
levellangistupnidilaV .9dna6,5,3,2,1setoneeS5.94–0mBd
tpeccatsiwtevitisoP .11dna9,4,3,2setoneeS6Bd
tpeccanoitaivedycneuqerF .9dna5,3,2setoneeS2±%5.1±zH
tcejernoitaivedycneuqerF .5dna3,2setoneeS5.3±%
ecnarelotenotdrihT .01dna9,5,4,3,2setoneeS61–Bd
ecnarelotenotlaiD .01dna9,8,5,4,3,2setoneeS22Bd
ecnarelotesioN .01dna9,8,5,4,3,2setoneeS21–Bd
emittcetedtneserpenoTt
emittcetedtnesbaenoTt
etartfihsataD 1zHM
emityaledtuptuoataDt
yaledemitputeSt
emitdlohataDt
ycneuqerfrotallicsOf
PD
AD
DAP
LD
HD
CSO
.trahcgnimiteeS302sm
.trahcgnimiteeS5.002sm
.trahcgnimiteeS001sn
.trahcgnimiteeS0sn
.trahcgnimiteeS03sn
=4.194304MHz
OSC
Notes
1. 0dBm=1mW power when driving a 600Ω load.
2. All 16 DTMF signal frequencies.
3. 40ms DTMF signal period and 40ms pause period.
4. Nominal DTMF frequency.
5. Low-frequency group and High-frequency group signal levels are the same.
6. DTMF signal frequency deviation is within ±1.5% ±2Hz.
7. Bandwidth limited (0 to 3kHz) Gaussian noise.
8. 350Hz and 440Hz dial tone frequencies.
9. Error rate of less than 1 in 10,000.
10. Referenced to the lowest frequency component of the DTMF signal.
11. Twist=High-frequency group tone level ÷ Low-frequency group tone level.
sgnitaR
nimpytxam
263251.4403491.4742632.4zHM
tinU
Pin Assignment
No.4367–2/5
Block Diagram
LC73860
Pin Functions
rebmuNemaNO/InoitpircseD
1TUPNII VotyllanretnidesaiB.noitcennocroticapacgnilpuoctupnI
2DPI .HGIHnehwdetcelessiedomnwod-rewoP
3ICSOI .tupnikcolclanretxezHM403491.4
4V
5DSO .tsriftibtnacifingistsael,tuptuoFMTDdedoced,lairestib-4ehtstuptuO
6KCAI
7TSEO
8VDDO.egatlovylppusV5.5ot5.4
SS
Test/Application Circuit
.2/
DD
.)V0(dnuorG
.lortnocDSotatadtfihS
.retsigertfihsehtotnidehctalsiatad
.KCAotseslup4gniylppaybdesseccaebnacatad,yaledtrohsaretfa
eht,egdegnisirtsrifehterofeB.edocFMTDtib-4ehttuptuootdesueraseslupruoF
dnaderotinomebnacnipsihT.HGIHnehwlangisFMTDafoecneserpehtsetacidnI
No.4367–3/5
LC73860
Output Code Table DTMF Dialing Matrix
F
L
7969021 1 LLLH
7966331 2 LLHL
79677413LLHH
0779021 4 LHLL
0776331 5 LHLH
0777741 6 LHHL
2589021 7 LHHH
2586331 8 HLLL
2587741 9 HLLH
1496331 0 HLHL
1499021 HLHH
1497741#HHLL
7963361 A HHLH
0773361 B HHHL
2583361 C HHHH
1493361 D LLLL
F
H
YEK3b2b1b0b
Timing Chart
No.4367–4/5
LC73860
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be exported without obtaining the export license from the authorities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co. , Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed for volume production. SANYO believes information herein is accurate and reliable, but
no guarantees are made or implied regarding its use or any infringements of intellectual property rights
or other rights of third parties.
This catalog provides information as of May, 2001. Specifications and information herein are subject to
change without notice.
PS No.4367–5/5
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