TDA7255V

TDA7255V Datasheet

TDA7255V

Part	Datasheet
TDA7255V	TDA7255V (pdf)

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TDA7255V ASK/FSK 434 MHz Wireless Transceiver Data Sheet Wireless Sense & Control Edition 2010-11-10 Published by Infineon Technologies AG 81726 Munich, Germany 2010 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. TDA7255V Just minor changes Other Trademarks Advance Design System ADS of Agilent Technologies, AMBA , ARM , MULTI-ICE , PRIMECELL , REALVIEW , THUMB of ARM Limited, UK. AUTOSAR is licensed by AUTOSAR development partnership. Bluetooth of Bluetooth SIG Inc. CAT-iq of DECT Forum. COLOSSUS , FirstGPS of Trimble Navigation Ltd. EMV of EMVCo, LLC Visa Holdings Inc. . EPCOS of Epcos AG. FLEXGO of Microsoft Corporation. FlexRay is licensed by FlexRay Consortium. HYPERTERMINAL of Hilgraeve Incorporated. IEC of Commission Electrotechnique Internationale. IrDA of Infrared Data Association Corporation. ISO of INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. MATLAB of MathWorks, Inc. MAXIM of Maxim Integrated Products, Inc. MICROTEC , NUCLEUS of Mentor Graphics Corporation. Mifare of NXP. MIPI of MIPI Alliance, Inc. MIPS of MIPS Technologies, Inc., USA. muRata of MURATA MANUFACTURING CO., MICROWAVE OFFICE MWO of Applied Wave Research Inc., OmniVision of OmniVision Technologies, Inc. Openwave Systems Inc. RED HAT Red Hat, Inc. RFMD RF Micro Devices, Inc. SIRIUS of Sirius Sattelite Radio Inc. SOLARIS of Sun Microsystems, Inc. SPANSION of Spansion LLC Ltd. Symbian of Symbian Software Limited. TAIYO YUDEN of Taiyo Yuden Co. TEAKLITE of CEVA, Inc. TEKTRONIX of Tektronix Inc. TOKO of TOKO KABUSHIKI KAISHA TA. UNIX of X/Open Company Limited. VERILOG , PALLADIUM of Cadence Design Systems, Inc. VLYNQ of Texas Instruments Incorporated. VXWORKS , WIND RIVER of WIND RIVER SYSTEMS, INC. ZETEX of Diodes Zetex Limited. Last Trademarks Update 2010-06-09 Data Sheet TDA7255V Table of Contents Table of Contents Table of Contents 4 Product Description 6 Overview 6 Features 6 Application 7 Ordering Information 7 Package Outlines 7 Functional Description 8 Pin Configuration 8 Pin Definitions and Functions 9 Functional Block Diagram 16 Functional Block Description 17 Power Amplifier PA 17 Low Noise Amplifier LNA 17 Downconverter 1st Mixer 17 Downconverter 2nd I/Q Mixers 17 PLL Synthesizer 18 I/Q Filters 18 I/Q Limiters 18 FSK Demodulator 19 Data Filter 20 Data Slicer 20 Peak Detectors 20 Crystal Oscillator 20 Bandgap Reference Circuitry and Powerdown 21 Timing and Data Control Unit 22 Bus Interface and Register Definition 23 I2C Bus Mode 23 Bus Data Format in I2C Mode 24 3-Wire Bus Mode 25 Bus Data Format 3-Wire Bus Mode 25 Register Definition 26 Registers Chapter 27 Register Descriptions 28 Wakeup Logic 49 Data Valid Detection, Data Pin 51 Sequence Timer 52 Clock Divider 54 RSSI and Supply Voltage Measurement 55 Application 56 LNA and PA Matching 56 RX/TX-Switch 56 Switch in RX-Mode 57 Switch in TX-Mode 60 Power Amplifier 61 Crystal Oscillator 67 Synthesizer Frequency Setting 70 Possible Crystal Oscillator Frequencies 70 Data Sheet TDA7255V Table of Contents Transmit/Receive ASK/FSK Frequency Assignment 70 FSK-Mode 70 ASK-Mode 72 Parasitics 73 Calculation of the External Capacitors 74 FSK-Switch Modes 75 Fine-tuning and FSK Modulation Relevant Registers 75 Chip and System Tolerances 76 IQ-Filter 77 Data Filter 79 Limiter and RSSI 80 Data Slicer - Slicing Level 82 RC Integrator 82 Peak Detectors 84 Peak Detector - Analog Output Signal 86 Peak Detector Power Down Mode 87 Data Valid Detection 88 Frequency Window for Data Rate Detection 89 RSSI Threshold Voltage - RF Input Power 90 Calculation of ON_TIME and OFF_TIME 91 Example for Self Polling Mode 92 Default Setup 94 Reference Data 95 Electrical Data 95 Ordering Information Type TDA7255V Ordering Code SP000698114 Package Outlines Package PG-VQFN-40-8 Figure 1 Package PG-VQFN-40-8 Figure 2 PG-VQFN-40-8 Package Outlines Data Sheet Functional Description Pin Configuration TDA7255V Functional Description CI2 CI2x CQ2 CQ2x GND RSSI GNDRF3 DATA PWDDD CLKDIV RESET EN 32 31 30 29 28 27 26 25 24 23 22 21 CQ1x 33 CQ1 34 CI1x 35 CI1 36 VCC 37 BUSMODE 38 LF 39 GNDRF1 40 TDA7255V 20 XGND 19 XSWA 18 XIN 17 XSWF 16 XOUT 15 VSS 14 BUSCLK 13 GNDRF2 1 2 3 4 5 6 7 8 9 10 11 12 ASKFSK RXTX LIN LINX GND-PA VCC1 PDN PDP SLC VDD BUSDTA Figure 3 Pin Configuration TDA7255V Data Sheet Pin Definitions and Functions Table 1 Pin Definition and Function Ball Name No. Pin Buffer Type 1 ASKFSK 350 1 TDA7255V Functional Description Function ASK/FSK-Mode Switch Input High = ASK Low = FSK 2 RXTX 3 LNI 4 LNIX 5 GND-PA 350 2 RX/TX-Mode Switch Input/Output High = RX Low = TX RF Input to Differential Low Noise Amplifier LNA 1.1V 5k 180 PWDN 180 PWDN See Pin 3

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TDA7255V

ASK/FSK 434 MHz Wireless Transceiver

Data Sheet

Wireless Sense & Control

Edition 2010-11-10

Published by Infineon Technologies AG 81726 Munich, Germany
2010 Infineon Technologies AG All Rights Reserved.

Legal Disclaimer

The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party.

Information

For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office

Warnings

Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

TDA7255V

Just minor changes

Other Trademarks Advance Design System ADS of Agilent Technologies, AMBA , ARM , MULTI-ICE , PRIMECELL , REALVIEW , THUMB of ARM Limited, UK. AUTOSAR is licensed by AUTOSAR development partnership. Bluetooth of Bluetooth SIG Inc. CAT-iq of DECT Forum. COLOSSUS , FirstGPS of Trimble Navigation Ltd. EMV of EMVCo, LLC Visa Holdings Inc. . EPCOS of Epcos AG. FLEXGO of Microsoft Corporation. FlexRay is licensed by FlexRay Consortium. HYPERTERMINAL of Hilgraeve Incorporated. IEC of Commission Electrotechnique Internationale. IrDA of Infrared Data Association Corporation. ISO of INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. MATLAB of MathWorks, Inc. MAXIM of Maxim Integrated Products, Inc. MICROTEC , NUCLEUS of Mentor Graphics Corporation. Mifare of NXP. MIPI of MIPI Alliance, Inc. MIPS of MIPS Technologies, Inc., USA. muRata of MURATA MANUFACTURING CO., MICROWAVE OFFICE MWO of Applied Wave Research Inc., OmniVision of OmniVision Technologies, Inc. Openwave Systems Inc. RED HAT Red Hat, Inc. RFMD RF Micro Devices, Inc. SIRIUS of Sirius Sattelite Radio Inc. SOLARIS of Sun Microsystems, Inc. SPANSION of Spansion LLC Ltd. Symbian of Symbian Software Limited. TAIYO YUDEN of Taiyo Yuden Co. TEAKLITE of CEVA, Inc. TEKTRONIX of Tektronix Inc. TOKO of TOKO KABUSHIKI KAISHA TA. UNIX of X/Open Company Limited. VERILOG , PALLADIUM of Cadence Design Systems, Inc. VLYNQ of Texas Instruments Incorporated. VXWORKS , WIND RIVER of WIND RIVER SYSTEMS, INC. ZETEX of Diodes Zetex Limited. Last Trademarks Update 2010-06-09

Data Sheet

TDA7255V

Table of Contents

Table of Contents

Table of Contents 4

Product Description 6

Overview 6

Features 6

Application 7
Ordering Information 7

Package Outlines 7

Functional Description 8

Pin Configuration 8

Pin Definitions and Functions 9

Functional Block Diagram 16

Functional Block Description 17

Power Amplifier PA 17

Low Noise Amplifier LNA 17 Downconverter 1st Mixer 17

Downconverter 2nd I/Q Mixers 17

PLL Synthesizer 18

I/Q Filters 18

I/Q Limiters 18

FSK Demodulator 19

Data Filter 20

Data Slicer 20

Peak Detectors 20

Crystal Oscillator 20

Bandgap Reference Circuitry and Powerdown 21

Timing and Data Control Unit 22

Bus Interface and Register Definition 23

I2C Bus Mode 23 Bus Data Format in I2C Mode 24
3-Wire Bus Mode 25

Bus Data Format 3-Wire Bus Mode 25

Register Definition 26

Registers Chapter 27

Register Descriptions 28

Wakeup Logic 49

Data Valid Detection, Data Pin 51

Sequence Timer 52

Clock Divider 54

RSSI and Supply Voltage Measurement 55

Application 56 LNA and PA Matching 56

RX/TX-Switch 56 Switch in RX-Mode 57 Switch in TX-Mode 60 Power Amplifier 61 Crystal Oscillator 67 Synthesizer Frequency Setting 70

Possible Crystal Oscillator Frequencies 70

Data Sheet

TDA7255V

Table of Contents

Transmit/Receive ASK/FSK Frequency Assignment 70 FSK-Mode 70 ASK-Mode 72

Parasitics 73 Calculation of the External Capacitors 74 FSK-Switch Modes 75 Fine-tuning and FSK Modulation Relevant Registers 75 Chip and System Tolerances 76 IQ-Filter 77 Data Filter 79 Limiter and RSSI 80 Data Slicer - Slicing Level 82 RC Integrator 82 Peak Detectors 84 Peak Detector - Analog Output Signal 86 Peak Detector Power Down Mode 87 Data Valid Detection 88 Frequency Window for Data Rate Detection 89 RSSI Threshold Voltage - RF Input Power 90 Calculation of ON_TIME and OFF_TIME 91 Example for Self Polling Mode 92 Default Setup 94

Reference Data 95 Electrical Data 95
Ordering Information

Type TDA7255V
Ordering Code SP000698114

Package Outlines

Package PG-VQFN-40-8

Figure 1 Package PG-VQFN-40-8

Figure 2 PG-VQFN-40-8 Package Outlines

Data Sheet

Functional Description

Pin Configuration

TDA7255V

Functional Description

CI2 CI2x CQ2 CQ2x GND RSSI GNDRF3 DATA PWDDD CLKDIV RESET EN
32 31 30 29 28 27 26 25 24 23 22 21

CQ1x 33 CQ1 34 CI1x 35 CI1 36 VCC 37 BUSMODE 38

LF 39 GNDRF1 40

TDA7255V
20 XGND 19 XSWA 18 XIN 17 XSWF 16 XOUT 15 VSS 14 BUSCLK 13 GNDRF2
1 2 3 4 5 6 7 8 9 10 11 12

ASKFSK RXTX LIN LINX

GND-PA

VCC1 PDN PDP SLC VDD

BUSDTA

Figure 3 Pin Configuration TDA7255V

Data Sheet

Pin Definitions and Functions

Table 1 Pin Definition and Function

Ball Name No.

Pin Buffer Type
1 ASKFSK
350 1

TDA7255V

Functional Description

Function ASK/FSK-Mode Switch Input High = ASK Low = FSK
2 RXTX 3 LNI
4 LNIX 5 GND-PA
350 2

RX/TX-Mode Switch Input/Output High = RX Low = TX

RF Input to Differential Low Noise Amplifier LNA
1.1V 5k
180 PWDN
180 PWDN

See Pin 3

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Datasheet ID: TDA7255V 638719