TDA5255XT Infineon Technologies, TDA5255XT Datasheet - Page 54

• Manufacturer Part Number: TDA5255XT
• Manufacturer: Infineon Technologies

Specifications of TDA5255XT

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4.4mm
• Product Length (mm): 9.7mm
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Compliant

Figure 3-19
Table 3-2
With the given parasitics the actual C
Note: Please keep in mind also to include the Pad parasitics of the circuit board.
Data Sheet
C
vm
C
=
v+
Name
C 20
C 21
C 22
(
---------------------------------------------------------------------------------------------------------------------------------------- -
Typical values of parasitic capacitances
C
=
C
parasitics of the switching network
v1
v1
(
-------------------------------------------------------------------------------------------------------
C v1
C
+
+
v1
C
C
tune1
C
+
tune1
+
v-
C tune1
C
C
C
V1
V2
tune1
=
)
+
⋅
C
(
C
v1
C
)
v2
C
f, C
+
v2
⋅
V3
+
(
C
C v2
+
L
C
+
v2
C
tune1
C
XSWA 22
XOUT 19
XSWF 20
XGND 23
20
+
20
+
v
XIN 21
C
+
can be calculated:
C 20
+
20
C
+
C
FSK-: 2,8 pF / FSK+&ASK: 2.2pF
v3
+
C
v3
+
21
C
C
+
+
tune2
tune2
C
C
22
54
22
C
22
L
+
+
)
C
+
C
tune2
tune2
C
C
4,6 pF
21
Value
21
1 pF
-R
)
C
+
20
C
21
C
C
tune2
tune1
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TDA5255 E1
Version 1.2
QOSC_parasitics.wmf
Application
2007-02-26