Approximate Internal Connection Circuits

Absolute Maximum Ratings

Storage Temperature ............................

-50°Cto125°C

Operating Temperature...........................

-20°Cto75°C

Note: These are stress ratings only. Stresses exceeding the range specified under

²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

Electrical Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾¾

2.5

¾

5.5

V

Operating Current

2.5V

¾

240

2500

mA

5.0V

¾

950

3000

²Low² Input Voltage

¾¾

VSS

¾

V

²High² Input Voltage

¾¾

¾

V

Standby Current

2.5V

¾¾

1

mA

5.0V

¾¾

2

Pull-high Resistance

2.5V

120

180

270

k

W

5.0V

45

68

100

DTMF Output Delay Time

(Parallel Mode)

5V

¾¾

ms

DTMF Output DC Level

2.5V~

5.5V

DTMF Output

¾

V

DTMF Sink Current

2.5V

-0.1

¾¾

mA

DTMF Output AC Level

2.5V

W

0.12

0.15

0.18

Vrms

Column Pre-emphasis

2.5V

Row group=0dB

1

2

3

dB

DTMF Output Load

2.5V

£-23dB

5

¾¾

k

W

HT9200A/HT9200B

Rev. 1.40

3

August 30, 2004

C M O S O U T

C M O S I N

P u l l - h i g h

C M O S I N

O S C I L L A T O R

X 1

X 2

E N

1 0 M

2 0 p F

1 0 p F

C M O S I N ( F o r D 0 ~ D 3 ,

C L K , D A T A )