NXP Semiconductors
TDA5051A
Home automation modem
250 V (AC)
max
+5 V
T 630 mA
MOV
250 V (AC)
U
230 V
1 VA
6V
100 Ω
(0.5 W)
470 nF/X2
250 V (AC)
Newport/ 47 μH
Murata low RS
1 78250 6
2
5
100 Ω
1 78L05 3
2 470 μF
(16 V)
+ FDB08 −
100 nF
(63 V)
22 μH
+5 V
MICRO-
CONTROLLER
47 nF
100 μF
(16 V)
DATA_IN 1
DATA_OUT 2
CLK_OUT 4
PD 15
7
OSC1
2.2 MΩ
VDDD VDDAP VDDA
3
11
13
10 kΩ
RX_IN 10 nF
14
TDA5051A
TX_OUT BC547B
10
1 kΩ
8
5
9
12
OSC2 DGND APGND AGND
1 μF
(16 V)
150 kΩ
10 nF
33 kΩ
XTAL
7.3728 MHz
SA5.0A
27 pF
27 pF
002aaf062
fcr = 115.2 kHz for XTAL = 7.3728 MHz standard crystal.
Fig 20. Application diagram with power line insulation, with improved sensitivity
(68 dBμV typ.)
TDA5051A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 13 January 2011
© NXP B.V. 2011. All rights reserved.
19 of 29