Tda5051a, Nxp semiconductors, Home automation modem – Philips TDA5051A User Manual
Page 16
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TDA5051A
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© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 13 January 2011
16 of 29
NXP Semiconductors
TDA5051A
Home automation modem
a. Gain
b. Input impedance
f
cr
= 115.2 kHz; L = 47
μH; C = 47 nF.
Main features of the coupling network: 50 Hz rejection > 80 dB; anti-aliasing for the digital filter >
50 dB at the sampling frequency (
1
⁄
2
f
osc
). Input impedance always higher than 10
Ω within the
95 kHz to 148.5 kHz band.
Fig 16. Gain (a) and input impedance (b) of the coupling network
002aaf055
f (Hz)
10
10
7
10
6
10
5
10
2
10
4
10
3
−60
−20
20
G
(dB)
−100
002aaf431
f (Hz)
10
10
7
10
6
10
5
10
2
10
4
10
3
10
2
10
3
Z
i
(
Ω)
10
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