MX613 データシートの表示（PDF） - MX-COM Inc

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MX613

Global Call Progress Detector

MX-COM Inc  

Global Call Progress Tone Detector

3

MX613 Preliminary Information

Application Information

R2

1

X1

C5

2

C6

XTAL/CLOCK

XTAL

C2

AUDIO SIGNAL

C1

VBIAS

LEVEL IN

SIGNAL IN

C3

VSS

VDD

VDD

1

16

2

15

3

14

4

13

MX613DW

5

12

6

11

7

10

8

9

VDD

C4

R1

DATA OUT

CHIP SELECT

SERIAL CLOCK INPUT

IRQ

Notes

(1) The Xtal/Clock input may be driven from the host telephone

system's 3.579545MHz clock; if a Xtal drive is required, the

configuration shown in the INSET is recommended.

(2) The audio signal should be input to both Signal In and Level In

pins via separate coupling capacitors. If it is wished to operate

the device with disregard to on-chip level thresholds and

permanently enable the MX613, the Level In pin should be held

at

VDD.

To disable the MX613 the Level In pin should be held at VSS.

Level thresholds are preset internally.

Figure 2 - External Component Connections

VDD

0 775mVrms

-10

-20

Must

-30 Decode

-40

Must-Not

-50 Decode

Low Band

(LO)

Component

Value

R1

22.0kΩ

R2

1.0MΩ

C1

0.01µF

C2

0.1µF

C3

1.0µF

C4

1.0µF

C5

33.0pF

C6

33.0pF

X1

3.579545MHz

Tolerances: C = ± 20% R = ± 10%

High Band

(HI)

0

200

400

600

800

Figure 3 - HI/LO Decode Bands

1000 1200 1400 1600 1800 2000 2200

Frequency (Hz)

© 1997 MX•COM Inc.

www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054

Doc. # 20480086.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USAAll trademarks and service marks are held by their respective companies

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