TDA5221 Infineon Technologies, TDA5221 Datasheet - Page 48

• Manufacturer Part Number: TDA5221
• Description: RECEIVER SHR FSK/ASK SGL TSSOP28
• Manufacturer: Infineon Technologies
• Type: Receiverr

Specifications of TDA5221

• Package / Case: 28-TSSOP
• Frequency: 300MHz ~ 340MHz
• Sensitivity: -113dBm
• Data Rate - Maximum: 100 kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Remote Control Systems
• Current - Receiving: 6.2mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Operating Frequency: 340 MHz
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• 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: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: SP000014343; TDA5221; TDA5221INTR; TDA5221XT

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Top Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Bottom Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Component Placement on the Evaluation Board . . . . . . . . . . . . . . . . . 44
P-TSSOP-28-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
48
V 1.1, 2004-10-20
TDA 5221
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