TDA7210 Infineon Technologies, TDA7210 Datasheet

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... Wireless Components ASK/FSK Single Conversion Receiver TDA7210 Version 1.0 Data Sheet December 2008 ...

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... 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 failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system ...

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... Data slicer with self-adjusting threshold ■ FSK sensitivity <-100dBm ■ Alarm Systems ■ Low Bitrate Communication Systems Ordering Code SP000524274 Product Info Data Sheet, December 2008 TDA7210 Product Info Package PG-TSSOP-28 ...

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Table of Contents 1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Product Description Contents of this Chapter 2.1 Overview ...

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... Selectable reference frequency ■ Limiter with RSSI generation, operating at 10.7MHz ■ 2nd order low pass data filter with external capacitors ■ Data slicer with self-adjusting threshold Wireless Components = 5.9 mA typ. FSK mode, 5.2mA typ. ASK Data Sheet, December 2008 TDA7210 Product Description ...

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... Package Outlines Figure 2-1 Wireless Components PG-TSSOP-28 package outlines TDA7210 Product Description PG_TSSOP_28.EPS Data Sheet, December 2008 ...

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Functional Description Contents of this Chapter 3.1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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... CRST1 1 VCC 2 LNI 3 TAGC 4 AGND 5 LNO 6 VCC 7 TDA 7210 MI 8 MIX 9 AGND 10 FSEL 11 IFO 12 DGND 13 VDD 14 IC Pin Configuration TDA7210 Functional Description 28 CRST2 27 PDWN 26 PDO 25 DATA 24 3VOUT 23 THRES 22 FFB 21 OPP 20 SLN 19 SLP 18 LIMX 17 LIM 16 CSEL 15 MSEL Pin_Configuration_7210.wmf Data Sheet, December 2008 ...

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... ESD-protection circuits are omitted to ease reading. . Table 3-1 Pin Definition and Function Pin No. Symbol 1 CRST1 2 VCC 3 LNI 4k Wireless Components Equivalent I/O-Schematic 4.15V 1 50uA 57uA 3 500uA TDA7210 Functional Description Function External Crystal Connector 1 5V Supply LNA Input Data Sheet, December 2008 ...

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... TAGC 4 5 AGND 6 LNO 7 VCC MIX 8 10 AGND Wireless Components 4.3V 4.2uA 1k 1.5uA 1. 400uA TDA7210 Functional Description AGC Time Constant Control Analogue Ground Return LNA Output 5V Supply Mixer Input 1.7V Complementary Mixer Input 9 Analogue Ground Return Data Sheet, December 2008 ...

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... IFO 12 13 DGND 14 VDD 15 MSEL 15 Wireless Components 750 1. 300uA 60 4.5k 3. TDA7210 Functional Description 868/434 MHz Operating Fre- quency Selector 10.7 MHz IF Mixer Output 2.2V Digital Ground Return 5V Supply (PLL Counter Cir- cuitry) ASK/FSK Modulation Format Selector 1.2V Data Sheet, December 2008 ...

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... CSEL 16 17 LIM 17 18 LIMX 18 19 SLP 19 Wireless Components 1.2V 80k 2.4V 15k 75uA 330 15k 15uA 100 3k 80µ TDA7210 Functional Description 6.xx or 13.xx MHz Quartz Selector Limiter Input Complementary Limiter Input Data Slicer Positive Input Data Sheet, December 2008 ...

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... FFB 22 23 THRES 23 24 3VOUT 24 Wireless Components Data Slicer Negative Input 5uA 10k OpAmp Noninverting Input 5uA 200 Data Filter Feedback Pin 5uA 100k AGC Threshold Input 5uA 10k 3V Reference Output 20kΩ 3. TDA7210 Functional Description Data Sheet, December 2008 ...

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... DATA 26 PDO 27 PDWN 27 28 CRST2 28 Wireless Components 500 25 40k 200 26 220k 220k 4.15V 50uA TDA7210 Functional Description Data Output Peak Detector Output Power Down Input External Crystal Connector 2 Data Sheet, December 2008 ...

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... FSK FSK + LIMITER PLL Demod - ASK + TDA 7210 TDA 7210 TDA 7210 OTA Φ CRYSTAL VCO : 128 / 64 DET OSC Loop Filter CSEL Crystal Main Block Diagram TDA7210 Functional Description FFB OPP SLP SLN DATA 25 + SLICER PEAK 26 PDO DETECTOR THRES 23 U 3VOUT 24 ...

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... Section 4.4). No additional external components are neces- Wireless Components Functional Description Data Sheet, December 2008 TDA7210 ...

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... Peak Detector input and to the AGC circuitry. In order to demodulate ASK signals the MSEL pin has to be left open as described in the next chapter. Wireless Components Functional Description RF Frequency 400-440 810-870 Crystal Frequency 6.xx MHz 13.xx MHz Data Sheet, December 2008 TDA7210 MHz MHz ...

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... The self-adjusting threshold on pin 20 its generated by RC-term or peak detector depending on the baseband coding scheme. The data slicer threshold generation alternatives are described in more detail in Section 4.5. Wireless Components Functional Description Modulation Format Data Sheet, December 2008 TDA7210 ASK FSK ...

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... PWDN pin (Pin 27) as shown in the following table. The sup- ply current drawn in this case is typically 50nA. Table 3-5 PDWN Pin Operating States PDWN Open or tied to ground Tied to Vs Wireless Components Functional Description Operating State Powerdown Mode Receiver Data Sheet, December 2008 TDA7210 ...

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Applications Contents of this Chapter 4.1 Choice of LNA Threshold Voltage and Time Constant . . . . . . . . . . . . 4-2 4.2 Data Filter Design . . . . . . . . ...

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... U U LNA Automatic Gain Control Circuitry . As shown in the following figure the threshold voltage can have any is applied to the THRES pin (Pin 23) The threshold voltage thres , the OTA generates a positive current I thres TDA7210 Applications R5 U threshold 23 RSSI (0.8 - 2.8V) OTA VCC LNA ...

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... Wireless Components RSSI Level -110 -100 -90 -80 -70 Input Level at LNA Input [dBm] RSSI Level and Permissive AGC Threshold Levels 1 and a threshold voltage of 1. TDA7210 Applications -60 -50 -40 -30 RSSI-AGC.wmf Data Sheet, December 2008 ...

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... Butterworth filter a = 1.414 and thus Q = 0.71 Example: Butterworth filter with 450pF taken from Tietze/Schenk: Halbleiterschaltungstechnik, Springer Berlin, 1999 Wireless Components Pins 100k 100k Data Filter Design π 5kHz and R = 100kΩ: 3dB = 225pF TDA7210 Applications Filter_Design.wmf π Data Sheet, December 2008 ...

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... Input Crystal impedance Z 1-28 Determination of Series Capacitance Value for the Quartz Oscillator = the load capacitance (refer to the quartz crystal specification). L =695 Ω pFX = 8 =1010 Ω pFX = 5 TDA7210 Applications Pin 28 TDA7210 Pin 1 Quartz_load.wmf 1 π includes the parasitic capacitors S Data Sheet, December 2008 ...

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... CSEL open GND open GND ( = − f 868 4 . MHz MHz − f 868 4 . MHz − f 434 2 . MHz − f 434 2 . MHz TDA7210 Applications ± ± 10.7) RF Ratio 128 40156 MHz ) = MHz / 128 . 6 7008 MHz ) = MHz / 23437 MHz ) = 7 . MHz / 64 6 ...

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... Data Slicer Threshold Generation with External R-C Integrator R3 C15 R2 Pins peak detector data filter Data Slicer Threshold Generation Utilising the Peak Detector TDA7210 Applications C13 data out 25 Data_slice1.wmf data out 25 threshold data slicer Data_slice2.wmf Data Sheet, December 2008 ...

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... ASK/FSK Switch Functional Description The TDA7210 is containing an ASK/FSK switch which can be controlled via Pin 15 (MSEL). This switch is actually consisting of 2 operational amplifiers that are having a gain case of the ASK amplifier and a gain case of the FSK amplifier in order to achieve an appropriate demodulation gain charac- teristic ...

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... R1 = 100k Ω, C13 = 47nF This leads tof Wireless Components gain (pin19 -3dB 20dB/dec 3dB 0dB 0.18m V V/k Hz Frequency characterstic in case of FSK mode ⋅ Ω 330 k π Ω 330 k = ⋅ = ⋅ 44Hzandf = 485Hz TDA7210 Applications -40dB/dec f f3 frequenzgang.WMF ⋅ Data Sheet, December 2008 ...

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... C12 and C14 and the inter- nal 100k resistors as described in Section 4.2 Figure 4-9 Wireless Components 0dB -3dB Frequency charcteristic in case of ASK mode TDA7210 Applications -40dB/dec f f3dB freq_ask.WMF Data Sheet, December 2008 ...

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... In the powerdown mode the capacitor is only discharged by leakage currents. In order to reduce the turn-on time in the presence of large values of C13 a pre- charge circuit was included in the TDA7210 as shown in the following figure. Figure 4-10 Wireless Components ( τ ...

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... 2.4V 2 Voltage appearing on C18 during precharging process = 2.5V which is also the approximate operating point of the data filter ⋅ U C13 Smax T3 = ----------------------------- - = 220μ TDA7210 Applications of typically load appearing on the capacitor exceeded the ⎞ ⎟ ⎟ τ ≈ × ⎟ 2 ⎟ ...

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... Note that the sum of R4 and R5 has to be 600k Ω in order to pro- duce 3V at the THRES pin as this voltage is internally used also as the refer- ence for the FSK demodulator. Wireless Components Voltage transient on capacitor C13 attached to pin TDA7210 Applications e-Fkt2.WMF limit has been reached. Smax Data Sheet, December 2008 ...

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Reference Contents of this Chapter 5.1 Electrical Data ...

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... ESD integrity Pins 1,3,6,28 Wireless Components =-40°C ... + 85°C AMB Symbol Limit Values Unit min max V -0.3 5 -40 +125 j T -40 +150 s R 114 thJA V +2 ESD +1 Data Sheet, December 2008 TDA7210 preliminary Reference Remarks V °C °C K/W kV HBM kV according to MIL STD 883D, method 3015.7 ...

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... IF -3dB 10 0 OFF THRES 0.7 V THRES TDA7210 preliminary Reference Test Conditions / L Item Notes f = 868MHz, FSK Mode 434MHz, FSK Mode 868MHz, ASK Mode 434MHz, ASK Mode RF @ source impedance 50Ω, ■ BER 2E-3, average power level, Manchester encoded datarate 4kBit, 280kHz IF Bandwidth ■ ...

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... LNA -10 LNA -14 LNA TDA7210 preliminary Reference = 25°C Unit Test Conditions / L Notes nA Pin 27 (PDWN) open or tied Pin 11 (FSEL) tied to GND, Pin 15 (MSEL) tied to GND mA Pin 11 (FSEL) open, Pin 15 ...

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... LNA -6 LNA -10 LNA -5 LNA 0.183 / 140.6 deg 0.179 / 109.1deg 0.897 / -13.6 deg 0.868 / -26.3 deg TDA7210 preliminary Reference Unit Test Conditions / L Item Notes ■ dBm ■ ■ ■ ■ ■ ■ ■ dBm matched input ■ ...

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... MIX -26 MIX 330 IFO +19 MIX +18 MIX TDA7210 preliminary Reference Unit Test Conditions / L Item Notes 3VOUT Pin open µA see 2 V see voltage must not be higher than V -1V CC ■ nA µA RSSI > ...

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... -1.3 -0.7 -100 -220 -300 -500 0 200 1000 6 14 -825 +j695 -600 +j1010 =C1 8.9 =C1 5 TDA7210 preliminary Reference Unit Test Conditions / L Item Notes Ω ■ dB ■ dB ■ MHz ■ kHz V LNA in high gain mode RF=868MHz V LNA in high gain mode RF=868MHz ■ ...

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... IFPLL 2 0.8 Off 19 < 0.2 -160 -200 -240 1 0 TDA7210 preliminary Reference Unit Test Conditions / L Item Notes V or open V µV/ kHz MHz Power On Mode ms depends on the used crystal V or open V µA FSEL tied to GND V or open V µA CSEL tied to GND ...

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... 2 -4.2 -8 0.5 1.5 5 +19 MIX +18 MIX TDA7210 preliminary Reference = -40 to 85°C Unit Test Conditions / L Notes nA Pin 27 (PDWN) open or tied Pin 11 (FSEL) tied to GND, Pin 15 (MSEL) tied to GND mA Pin 11 (FSEL) open, Pin 15 (MSEL) tied to GND mA Pin 11 (FSEL) tied to GND, Pin 15 ...

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... IFPLL TDA7210 preliminary Reference Unit Test Conditions / L Item Notes dB V LNA in high gain mode V LNA in high gain mode ■ kBps NRZ, 20pF capaci- tive loading V V Output current =200µ ...

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... Limit Values min typ max 2 0.8 Off < 0.2 -110 -200 -340 1 0 TDA7210 preliminary Reference Unit Test Conditions / L Item Notes depends on the used crystal V or open V µA FSEL tied to GND V or open V µA CSEL tied to GND Data Sheet, December 2008 ...

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... LED will turn on. This sig- nal is also accessible on a 2-pole pin connector and can be used for simple remote-control applications. More information on the kit is available on request. Figure 5-1 Wireless Components Schematic of the Evaluation Board TDA7210 preliminary Reference ■ were either verified by TDA5210_testboard_20_schematic.WMF Data Sheet, December 2008 ...

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... Test Board Layouts Figure 5-2 Figure 5-3 Wireless Components Top Side of the Evaluation Board Bottom Side of the Evaluation Board TDA7210 preliminary Reference tda5210_testboard_20_top.WMF tda5210_testboard_20_bot.WMF Data Sheet, December 2008 ...

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... Figure 5-4 Wireless Components TDA7210 Component Placement on the Evaluation Board TDA7210 preliminary Reference tda5210_testboard_20_plc.EMF Data Sheet, December 2008 ...

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... Bill of Materials The following components are necessary for evaluation of the TDA7210 without use of a Microchip HCS512 decoder. Table 5-5 Bill of Materials Ref Value R1 100kΩ R2 100kΩ R3 820kΩ R4 240kΩ R5 360kΩ R6 10kΩ L1 434 MHz: 15nH 869 MHz: 3.3nH L2 434 MHz: 8 ...

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... TDA7210 Please note that in case of operation at 434 MHz a capacitor has to be soldered in place L2 and an inductor in place C6. The following components are necessary in addition to the above mentioned ones for evaluation of the TDA7210 in conjunction with a Microchip HCS512 decoder. Table 5-6 Bill of Materials Addendum Ref ...

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... Schematic of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 Figure 5-2 Top Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Figure 5-3 Bottom Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Figure 5-4 Component Placement on the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Wireless Components List of Figures - 1 TDA7210 List of Figures 2-3 3-2 3-9 4-2 4-3 4-4 4-5 ...

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... AC/DC Characteristics with T Table 5-5 Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Table 5-6 Bill of Materials Addendum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Wireless Components =-40°C ... + 85° AMB = -40°C ... + 85° AMB = -40°C ... + 85°C, VCC = 4.5 ... 5 AMB List of Tables - 1 TDA7210 List of Tables 3-3 4-6 5-2 5-3 5-4 5-9 Data Sheet, December 2008 ...