SC9200A 查看數據表（PDF） - Silan Microelectronics

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SC9200A

DTMF GENERATOR WITH MICRO-PROCESSOR INTERFACE

Silan Microelectronics 

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

VIL

High Input Voltage

VIH

Standby Current

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=5kΩ

2.5V Row group=0dB

2.5V tHD≤-23dB

2.5V RL=5kΩ

--

--

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

1

2

3

5

--

--

--

-30

-23

--

100

500

--

--

10

3.5759 3.5759 3.5831

Unit

V

µA

V

V

µA

kΩ

ms

V

mA

Vrms

dB

kΩ

dB

kHz

ms

MHz

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:2.0 2004.08.03

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