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TDA5051AT Datasheet(PDF) 11 Page - NXP Semiconductors

Part No. TDA5051AT
Description  Home automation modem
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 11 page
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1999 May 31
11
Philips Semiconductors
Product specification
Home automation modem
TDA5051A
Table 1
Clock oscillator parameters
Table 2
Calculation of parameters depending on the clock frequency
OSCILLATOR
FREQUENCY
fosc
CARRIER FREQUENCY
fcr
CLOCK OUTPUT
FREQUENCY
1
2fosc
EXTERNAL COMPONENTS
6.080 to 9.504 MHz
95 to 148.5 kHz
3.040 to 4.752 MHz
C1 = C2 = 27 to 47 pF;
Rp = 2.2 to 4.7 MΩ;
XTAL = standard quartz crystal
SYMBOL
PARAMETER
CONDITIONS
UNIT
fosc
oscillator frequency
with on-chip oscillator: frequency of the crystal
quartz; with external clock: frequency of the
signal applied at OSC1
Hz
fCLKOUT
clock output frequency
1
2fosc
Hz
fcr
carrier frequency/digital filter tuning
frequency
1
64fosc
Hz
tsu
set-up time of the shaped burst
or
s
th
hold time of the shaped burst
or
s
tW(DI)(min)
minimum pulse width of DATAIN signal
tsu +
s
tW(burst)(min) minimum burst time of VO(DC) signal
tW(DI)(min) +th
s
tc(AGC)
AGC time constant
s
tsu(demod)
demodulation set-up time
(
≈max.)
s
th(demod)
demodulation hold time
(
≈max.)
s
23
f
cr
------
1472
f
osc
-------------
23
f
cr
------
1472
f
osc
-------------
1
f
cr
-----
2514
f
osc
-------------
3200
f
osc
-------------
3800
f
osc
-------------




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