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Tda5051a, Nxp semiconductors, Home automation modem – Philips TDA5051A User Manual

Page 17

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TDA5051A

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 5 — 13 January 2011

17 of 29

NXP Semiconductors

TDA5051A

Home automation modem

with coupling network; L = 47

μH; C = 47 nF.

Fig 17. Output voltage as a function of line impedance

f

cr

= 115.2 kHz for XTAL = 7.3728 MHz standard crystal.

Fig 18. Application diagram with power line insulation

002aaf056

Z

line

(

Ω)

1

10

2

10

110

120

130

V

o

(dB

μV)

100

250 V (AC)

max

T 630 mA

100

Ω

(0.5 W)

470 nF/X2
250 V (AC)

47

μH

low RS

MOV
250 V (AC)

100 nF

22

μH

100

μF

(16 V)

470

μF

(16 V)

10 nF

V

DDD

V

DDAP

APGND AGND

DGND

V

DDA

RX_IN

TX_OUT

SA5.0A

1

μF

(16 V)

14

1

+5 V

+5 V

2

MICRO-

CONTROLLER

4

7

OSC1

XTAL

7.3728 MHz

2.2 M

Ω

OSC2

8

5

9

12

3

3

1

2

13

11

15

47 nF

78L05

PD

27 pF

27 pF

10

DATA_IN

DATA_OUT

CLK_OUT

TDA5051A

002aaf060

(63 V)

100

Ω

Newport/

Murata

78250

5

6

1

2

230 V

6 V

1 VA

FDB08

+

U