TDA5220XT Infineon Technologies, TDA5220XT Datasheet - Page 27

• Manufacturer Part Number: TDA5220XT
• Manufacturer: Infineon Technologies

Specifications of TDA5220XT

• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Product Depth (mm): 4.4mm
• Product Length (mm): 9.7mm
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Compliant

asymmetrical offset for the demodulation of long zeros the lower of the two FSK
frequencies should be chosen in the transmitter as the zero-symbol frequency.
In the following figure the shape of the above mentioned bandpass is shown.
Figure 10
The cutoff frequencies are calculated with the following formulas:
f
Example:
R1 = 100k
This leads tof
Preliminary Specification
3
is the 3dB cutoff frequency of the data filter - see Section 3.2.
v-3dB
gain (pin19)
0dB
3dB
C13 = 47nF
1
Frequency characteristic in case of FSK mode
v
= 44Hz and f
DC
0.18mV/kHz
f1
20dB/dec
2
= 485Hz
f
1
f
2
2
R
R
v
f
f2
3
1
1
2mV/kHz
27
f
330
330
1
f
1
3
dB
11 f
k
k
1
C
13
f3
-40dB/dec
V 1.1, 2004-10-20
Applications
TDA 5220
f