TDA5251 Infineon Technologies, TDA5251 Datasheet - Page 87

• Manufacturer Part Number: TDA5251
• Description: TXRX FSK/ASK SGL LP TSSOP-38
• Manufacturer: Infineon Technologies
• Type: Transceiverr

Specifications of TDA5251

• Package / Case: 38-TSSOP
• Frequency: 315MHz
• Data Rate - Maximum: 64kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Remote Control Systems
• Power - Output: 13dBm
• Sensitivity: -109dBm
• Voltage - Supply: 2.1 V ~ 5.5 V
• Current - Receiving: 9.3mA
• Current - Transmitting: 14mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 0.35 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: SP000014554; TDA5251; TDA5251INTR; TDA5251XT

List of Figures
Figure 1-1
Figure 2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 2-6
Figure 2-7
Figure 2-8
Figure 2-9
Figure 2-10
Figure 2-11
Figure 2-12
Figure 2-13
Figure 2-14
Figure 2-15
Figure 2-16
Figure 2-17
Figure 2-18
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-5
Figure 3-6
Figure 3-7
Figure 3-8
Figure 3-9
Figure 3-10
Figure 3-11
Figure 3-12
Figure 3-13
Figure 3-14
Figure 3-15
Figure 3-16
Figure 3-17
Figure 3-18
Figure 3-19
Figure 3-20
Figure 3-21
Figure 3-22
Figure 3-23
Figure 3-24
Data Sheet
PG-TSSOP-38 package outlines. . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Main Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
One I/Q Filter stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Quadricorrelator Demodulation Characteristic . . . . . . . . . . . . . . . . . page
Data Filter architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Timing and Data Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Sub Addresses Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Wakeup Logic States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Timing for Self Polling Mode (ADC & Data Detect in one shot mode) page
Timing for Timer Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Frequency and RSSI Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Data Valid Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Data Input/Output Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
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1st start or reset in PD mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Sequencer‘s capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Clock Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
RX/TX Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
RX-Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
S11 measured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
TX_Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
TX_Mode_simplified . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Equivalent power amplifier tank circuit . . . . . . . . . . . . . . . . . . . . . . . page
Output power P o (mW) and collector efficiency E vs. load resistor R L . page
Power output and collector current vs. frequency . . . . . . . . . . . . . . . page
Sparam_measured_100M. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Transmit Spectrum 3GHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Transmit Spectrum 300MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
possible crystal oscillator frequencies . . . . . . . . . . . . . . . . . . . . . . . . page
FSK modulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
FSK receive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
parasitics of the switching network . . . . . . . . . . . . . . . . . . . . . . . . . . page
I/Q Filter Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
IQ Filter and frequency characteristics of the receive system. . . . . . page
Limiter and Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Limiter frequency characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Typ. RSSI Level (Eval Board) @3V . . . . . . . . . . . . . . . . . . . . . . . . . page
Slicer Level using RC Integrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
Slicer Level using Peak Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . page
st
start or reset in active mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page
87
TDA5251 F1
Version 1.1
2007-02-26
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