TDA5220XT Infineon Technologies, TDA5220XT Datasheet - Page 50

• 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

List of Figures
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Preliminary Specification
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LNA Automatic Gain Control Circuity . . . . . . . . . . . . . . . . . . . . . . . . . . 19
RSSI Level and Permissive AGC Threshold Levels . . . . . . . . . . . . . . 20
Data Filter Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Determination of Series Capacitance Vale for the Quartz Oscillator . . 22
Data Slicer Threshold Generation with External R-C Integrator . . . . . 24
Data Slicer Threshold Generation Utilising the Peak Detector . . . . . . 25
ASK/FSK mode datapath. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Frequency characteristic in case of FSK mode . . . . . . . . . . . . . . . . . . 27
Frequency characteristic in case of ASK mode . . . . . . . . . . . . . . . . . . 28
Principle of the precharge circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Voltage appearing on C18 during precharging process. . . . . . . . . . . . 30
Voltage transient on capacitor C13 attached to pin 20 . . . . . . . . . . . . 31
Schematic of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Top Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Bottom Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Component Placement on the Evaluation Board . . . . . . . . . . . . . . . . . 45
P-TSSOP-28-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
50
V 1.1, 2004-10-20
TDA 5220
Page