MC145436ADW Ver la hoja de datos (PDF) - Motorola => Freescale

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MC145436ADW

Low-Power Dual Tone Multiple Frequency Receiver

Motorola => Freescale 

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

Characteristic

Symbol

Min

Typ

Tone On Time

For Detection TONEon

40

—

For Rejection

—

—

Pause Time

For Detection TONEoff

40

—

For Rejection

—

—

Detect Time

GT = 0

tdet

22

—

GT = 1

32

—

Release Time

GT = 0

trel

28

—

GT = 1

18

—

Data Setup Time

Data Hold Time

Pulse Width

DV Reset Lag Time

ENB High to Output DV*

ENB Low to Output High–Z*

* Data out: CL = 35 pF k RL = 500 Ω .

tsu

7

—

th

4.2

4.6

GT tw(GT)

18

—

tlag(DV)

—

—

tEHDV

—

120

tELDZ

—

110

ANALOG INPUT

(Ain)

D1, D2

D4, D8

DV

ENB

GT

TONEon

TONE BURST 1

tdet

tsu

TIMING DIAGRAM

TONEoff

trel

HIGH–Z

th

TONE BURST 2

tELDZ

tEHDV

tlag(DV)

tw(GT)

Max

Unit

—

ms

20

—

ms

20

40

ms

50

40

ms

30

—

µs

5

ms

—

µs

5

ms

500

ns

300

ns

HIGH–Z

tELDZ

MC145436A

4

MOTOROLA

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