TDA5051 Philips Semiconductors, TDA5051 Datasheet - Page 13

• Manufacturer Part Number: TDA5051
• Description: Home automation modem
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 2 Calculation of parameters depending of the clock frequency
1997 Sep 19
f
f
f
t
t
t
t
t
t
t
osc
CLKOUT
cr
su
h
W(DI)(min)
W(burst)(min)
c(AGC)
su(demod)
h(demod)
SYMBOL
Home automation modem
(1) t
(2) t
(3) t
handbook, full pagewidth
W(DI)
W(DI)(min)
W(DI)(min)
> t
W(DI)(min)
oscillator frequency
clock output frequency
carrier frequency/digital filter
tuning frequency
set-up time of the shaped burst
hold time of the shaped burst
minimum pulse width of DATA
signal
minimum burst time of V
signal
AGC time constant
demodulation set-up time
demodulation hold time
= t
< t
su
su
; wrong operation
+
-----
f
1
cr
PARAMETER
Fig.8 Relationship between DATA
DATA IN
V O(DC)
TX OUT
0
O(DC)
IN
t su
t W(DI)
with on-chip oscillator: frequency of the crystal quartz; with
external clock: frequency of the signal applied at OSC1
1
1
t
t
(1)
23
----- -
23
----- -
2514
------------ -
3700
------------ -
3050
------------ -
f
f
su
W(DI)(min)
t W(burst)
f
f
f
cr
cr
2
64
osc
osc
osc
f
osc
+
f
osc
or
or
-----
f
1
cr
( max.)
( max.)
1472
------------ -
1472
f
f
13
osc
osc
+ t
t h
h
IN
and TX
t W(burst)(min)
t W(DI)(min)
(2)
CONDITIONS
OUT
(see Table 3).
(3)
MGK837
Product specification
TDA5051
Hz
Hz
Hz
s
s
s
s
s
s
s
UNIT