TDA5250 Infineon Technologies, TDA5250 Datasheet - Page 7

• Manufacturer Part Number: TDA5250
• Description: TX/RX ASK/FSK 868-870MHZ 38TSSOP
• Manufacturer: Infineon Technologies
• Type: Transceiverr

Specifications of TDA5250

• Package / Case: 38-TSSOP
• Frequency: 868MHz
• Data Rate - Maximum: 64kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Remote Control Systems
• Power - Output: 9dBm
• Sensitivity: -109dBm
• Voltage - Supply: 2.1 V ~ 5.5 V
• Current - Receiving: 9mA
• Current - Transmitting: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 870 MHz
• Operating Supply Voltage: 2.5 V, 3.3 V, 5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• 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: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: SP000012956; TDA5250; TDA5250INTR; TDA5250XT; TDA5250XT

Table of Contents
3.1.4
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.3
3.4
3.5
3.6
3.6.1
3.6.2
3.6.3
3.6.4
3.7
3.7.1
3.7.2
3.8
3.9
3.10
3.10.1
3.10.2
3.10.3
3.10.4
3.10.5
3.11
4
4.1
4.1.1
4.1.2
4.1.3
4.1.4
Data Sheet
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IQ-Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limiter and RSSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Slicer - Slicing Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Valid Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calculation of ON_TIME and OFF_TIME . . . . . . . . . . . . . . . . . . .
Example for Self Polling Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensitivity Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Default Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TX-Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power-Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizer Frequency setting . . . . . . . . . . . . . . . . . . . . . . . . .
Transmit/Receive ASK/FSK Frequency Assignment . . . . . . . . .
Parasitics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calculation of the external capacitors . . . . . . . . . . . . . . . . . . . .
FSK-switch modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finetuning and FSK modulation relevant registers . . . . . . . . . .
Chip and System Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . .
RC Integrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Detector - Analog output signal . . . . . . . . . . . . . . . . . . . .
Peak Detector – Power Down Mode . . . . . . . . . . . . . . . . . . . . .
Frequency Window for Data Rate Detection . . . . . . . . . . . . . . .
RSSI threshold voltage - RF input power . . . . . . . . . . . . . . . . .
Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensitivity depending on the ambient Temperature . . . . . . . . .
BER performance depending on Supply Voltage . . . . . . . . . . .
Datarates and Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensitivity at Frequency Offset . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
TDA5250 D2
Version 1.7
2007-02-26
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