MC145436ADW datasheet(4/8 Pages) MOTOROLA

部件名	MC145436ADW

功能描述	LOW-POWER DUAL TONE MULTIPLE FREQUENCY RECEIVER

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制造商	MOTOROLA [Motorola, Inc]

网页	http://www.freescale.com

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4 / 8 page

MC145436A

MOTOROLA

4

AC CHARACTERISTICS (VDD = 5.0 V ± 10%, TA = – 40 to + 85°C)

Characteristic

Symbol

Min

Typ

Max

Unit

Tone On Time

For Detection

For Rejection

TONEon

40

—

20

ms

Pause Time

For Detection

For Rejection

TONEoff

40

—

20

ms

Detect Time

GT = 0

GT = 1

tdet

22

32

—

40

50

ms

Release Time

GT = 0

GT = 1

trel

28

18

—

40

30

ms

Data Setup Time

tsu

7

—

µs

Data Hold Time

th

4.2

4.6

5

ms

Pulse Width

GT

tw(GT)

18

—

µs

DV Reset Lag Time

tlag(DV)

—

5

ms

ENB High to Output DV*

tEHDV

—

120

500

ns

ENB Low to Output High–Z*

tELDZ

—

110

300

ns

* Data out: CL = 35 pF k RL = 500 Ω .

TIMING DIAGRAM

ANALOG INPUT

(Ain)

D1, D2

D4, D8

DV

ENB

GT

TONEon

TONE BURST 1

TONE BURST 2

tdet

trel

HIGH–Z

tsu

th

tELDZ

tEHDV

tELDZ

tlag(DV)

tw(GT)

TONEoff

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类似说明 - MC145436ADW

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