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Silan Semiconductors

SC9200 Datasheet Preview

SC9200 Datasheet

DTMF GENERATORS

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SC9200
DTMF GENERATOR WITH MICRO-PROCESSOR INTERFACE
DESCRIPTION
The SC9200 tone generators are designed for µC interfaces. They can
be instructed by a µC to generate 16 dual tones and 8 single tones from
the DTMF pin. The SC9200A/AS provides a serial mode whereas the
SC9200B/BS contains a selectable serial/parallel mode interface for
various applications
DIP-8
SOP-8
FEATURES
* Operating voltage: 2.0V~5.5V
* Serial mode for the SC9200A/AS
* Serial/parallel mode for the SC9200B/BS
* Low standby current
* Low total harmonic distortion
* 3.58MHz crystal or ceramic resonator
APPLICATIONS
* Security systems
* Home automation
* Remote control through telephone lines
* Communication system, etc.
DIP-14
SOP-14
ORDERING INFORMATION
Part No.
SC9200A
SC9200B
SC9200AS
SC9200BS
Package
DIP-8-300-2.54
DIP-14-300-2.54
SOP-8-225-1.27
SOP-14-225-1.27
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0 2004.08.03
Page 1 of 10




Silan Semiconductors

SC9200 Datasheet Preview

SC9200 Datasheet

DTMF GENERATORS

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SC9200
ABSOLUTE MAXIMUM RATING
Characteristic
Supply Voltage
Input Voltage
Storage Temperature
Operating Temperature
Symbol
VSS
VIN
Tstg
Topr
Ratings
-0.3~6
VSS-0.3~VDD+0.3
-50~125
-20~75
Unit
V
V
°C
°C
ELECTRICAL CHARACTERISTICS
Characteristics
Operating Voltage
Operating Current
Symbol
VDD
IDD
Test Conditions
VDD Conditions
Serial
--
Parallel
2.5V
5.0V
S/P =VDD, D0~D3=VSS,
CE =VSS, No load
Low Input Voltage
High Input Voltage
Standby Current
VIL
VIH
ISTB
Pull-high Resistance
RP
DTMF Output Delay Time
tDE
(Parallel Mode)
DTMF Output DC Level VTDC
DTMF Sink Current
ITOL
DTMF Output AC Level VTAC
Column Pre-emphasis
ACR
DTMF Output Load
RL
Tone Signal Distortion
tHD
Clock Input Rate (Serial
fCLK
Mode)
Oscillator Starting Time
(When CE is low)
tUP
System Frequency
fOSC
--
--
2.5V
5.0V
2.5V
5.0V
--
--
S/P , CE =VDD,
No load
VOL=0V
5V --
2V~5.5V DTMF Output
2.5V VDTMF=0.5V
2.5V Row group, RL=5k
2.5V Row group=0dB
2.5V tHD-23dB
2.5V RL=5k
-- --
5.0V
--
The time from CE
falling edge to normal
oscillator operation
Crystal=3.5795MHz
Min. Typ. Max.
1.8
-- 5.5
2.0
-- 240 2500
-- 950 3000
VSS -- 0.2VDD
0.8VDD --
VDD
-- -- 1
-- -- 2
120 180 270
45 68 100
-- tUP+6 tUP+8
0.45VDD -- 0.75VDD
-0.1 --
--
0.12 0.15 0.18
123
5 -- --
-- -30 -23
-- 100 500
-- -- 10
3.5759 3.5759 3.5831
Unit
V
µA
V
V
µA
k
ms
V
mA
Vrms
dB
k
dB
kHz
ms
MHz
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0 2004.08.03
Page 2 of 10



Part Number SC9200
Description DTMF GENERATORS
Maker Silan Semiconductors
Total Page 10 Pages
PDF Download

SC9200 Datasheet PDF





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