E0C5250D 参数 Datasheet PDF下载

E0C5250

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External Wiring Diagram (Example)

Example of Bellcore-compatible telephone circuit

TIP

RING

Protective

network

R

3

500 pF

R

1

R

5

E0C5250

INP

V

DD

BPOUT

V

DD

1

µF

0.1

µF

R

2

INN

500 pF

R

6

R

4

Hook

switch

0.2

µF

0.2

µF

FB

V

REF

RDIN

#RDRC

CDIN

SDO

SDI

#SCLK

#IRQ

#DET

#PQUAL

NC

18 pF

270 kΩ

470 kΩ

Communication

network

Receiver

#RDET

33 kΩ

0.2

µF

0.1

µF

PDWN

#RESET

NC

MODE

V

SS

OSC4

OSC3

18 pF

3.579545 MHz

Mute control

DTMF tone

Note: The above circuit diagram is merely an example, and does not guarantee the operation of the circuit.

Example of Bellcore-compatible auxiliary circuit

TIP

RING

Protective

network

R

3

500 pF

R

1

R

5

E0C5250

INP

V

DD

BPOUT

V

DD

1

µF

0.1

µF

To telephone

500 pF

R

2

INN

R

6

R

4

Hook

switch

0.2

µF

0.2

µF

FB

V

REF

RDIN

#RDRC

CDIN

SDO

SDI

#SCLK

#IRQ

#DET

#PQUAL

NC

18 pF

270 kΩ

470 kΩ

DTMF

interface

#RDET

33 kΩ

0.2

µF

0.1

µF

PDWN

#RESET

NC

MODE

V

SS

OSC4

OSC3

18 pF

3.579545 MHz

Mute control

DTMF tone

Note: The above circuit diagram is merely an example, and does not guarantee the operation of the circuit.

Host interface

Host interface

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