TDA5051A Datasheet, PDF (19/28 Pages) NXP Semiconductors – Home automation modem

Philips Semiconductors
Home automation modem
Product specification
TDA5051A
20
handbook, full pagewidth
gain
(dB)
0
−20
MBH907 ₁₀₃
input
impedance
(Ω)
−40
10²
1
−60
2
−80
−100
10
10
10²
10³
10⁴
10⁵
10⁶
f (Hz)
10⁷
Main features of the coupling network: 50 Hz rejection >80 dB; anti-aliasing for the digital filter >50 dB at the
sampling frequency (¹â„₂f_osc). Input impedance always higher than 10 Ω within the 95 to 148.5 kHz band.
Fig.19 Gain (curve 1) and input impedance (curve 2) of the coupling network (f_cr = 115.2 kHz; L = 47 µH;
C = 47 nF).
130
handbook, halfpage
Vo
(dBµV)
120
MBH908
110
100
1
10
10²
Zline (Ω)
Fig.20 Output voltage as a function of line impedance (with coupling network; L = 47 µH; C = 47 nF).
1999 May 31
19