IC TX ASK/FSK 434MHZ 10-TSSOP

TDA7110F

Manufacturer Part NumberTDA7110F
DescriptionIC TX ASK/FSK 434MHZ 10-TSSOP
ManufacturerInfineon Technologies
TDA7110F datasheet
 

Specifications of TDA7110F

Frequency433MHz ~ 435MHzApplicationsRemote Control, RKE, Security Systems
Modulation Or ProtocolASK, FSKPower - Output11dBm
Current - Transmitting21mAData InterfacePCB, Surface Mount
Antenna ConnectorPCB, Surface MountVoltage - Supply2.1 V ~ 4 V
Operating Temperature-40°C ~ 85°CPackage / Case10-TSSOP
Lead Free Status / RoHS StatusLead free / RoHS CompliantFeatures-
Memory Size-Data Rate - Maximum-
Other namesSP000611108  
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Dat a S h ee t , V 1. 0 , Fe br ua ry 20 0 9
TDA7110F
434 M Hz ASK/ FS K Transm i tte r in 10 -p in
P a c k a g e
Ver s i on 1 .0
W i re l e s s C o n t r o l
Co mpo ne nts
N e v e r
s t o p
t h i n k i n g .

TDA7110F Summary of contents

  • Page 1

    ... TDA7110F 434 M Hz ASK Transm i tte Ver mpo ne nts Dat ...

  • Page 2

    ... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems 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. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...

  • Page 3

    ... TDA7110F 434 M Hz ASK Transm i tte Ver mpo ne nts Dat ...

  • Page 4

    ... TDA7110F Revision History: Previous Version: Page Subjects (major changes since last revision) We Listen to Your Comments Any information within this document that you feel is wrong, unclear or missing at all? Your feedback will help us to continuously improve the quality of this document. Please send your proposal (including a reference to this document) to: wirelesscontrol@infineon ...

  • Page 5

    ... Application Hints on the Power-Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4 Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.1 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.1.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.2 Operating Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.3 AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.3.1 AC/DC Characteristic at 3V, 25° 4.3.2 AC/DC Characteristic at 2.1V ... 4.0 V, -40°C ...+85° Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Data Sheet 5 TDA7110F Page V 1.0, 2009-02-26 ...

  • Page 6

    ... Product Description 1.1 Overview The TDA7110F is a single chip ASK/FSK transmitter for operation in the frequency band 433 ... 435 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a fully integrated PLL synthesizer and a high efficiency power amplifier to drive a loop antenna. A special circuit design and an unique power amplifier design are used to save current consumption and therefore to save battery life ...

  • Page 7

    ... Voltage Supply Ground Frequency Shift Keying Switch Output Crystal Oscillator Input (13.56 MHz) Amplitude Shift Keying Data Input Frequency Shift Keying Data Input Power Amplifier Ground Power Amplifier Output (434 MHz) Power Down Mode Control 7 TDA7110F Functional Description 10 PDWN 9 PAOUT 8 PAGND 7 FSKDTA ...

  • Page 8

    ... The switch is open when the signal at FSKDTA (pin logic high 200 kΩ state. FSKOUT can switch an additional capacitor to the reference crystal network to pull the crystal frequency by an amount resulting in the desired FSK frequency shift of the transmitter output frequency. 8 TDA7110F Functional Description V 1.0, 2009-02-26 ...

  • Page 9

    ... V +1 kΩ +1 kΩ 30 μA 2 TDA7110F Functional Description Function This pin is connected to the reference oscillator circuit. The reference oscillator is working as a negative impedance converter. It presents a negative resistance in series to an inductance at the COSC pin. Digital amplitude modulation can be imparted to the Power Amplifier through this pin. A logic high (ASKDTA > ...

  • Page 10

    ... FSKDTA 7 Data Sheet +1 kΩ +1 kΩ 30 μA 10 TDA7110F Functional Description Function Digital frequency modulation can be imparted to the Xtal Oscillator by this pin. The VCO-frequency varies in accordance to the frequency of the reference oscillator. A logic high (FSKDTA > 1.5V or open) sets the FSK switch to a high impedance state. ...

  • Page 11

    ... μA ∗ (ASKDTA+FSKDTA) 5 kΩ "ON" 150 kΩ 250 kΩ 11 TDA7110F Functional Description Function Ground connection of the power amplifier. The RF ground return path of the power amplifier output PAOUT (pin 9) has to be concentrated to this pin. RF output pin of the transmitter path to the positive supply VS has to be supplied by the antenna matching network ...

  • Page 12

    ... Functional Block Diagram Figure 2 Functional Block Diagram Data Sheet Functional Description 12 TDA7110F V 1.0, 2009-02-26 ...

  • Page 13

    ... Pin open 3) High: Voltage at pin > 1.5V 2.4.3 Power Amplifier The VCO frequency is divided by 2 and fed to the Power Amplifier. The Power Amplifier can be switched on and off by the signal at ASKDTA (pin 6). Data Sheet Functional Description FSK Switch CLOSED OPEN 13 TDA7110F V 1.0, 2009-02-26 ...

  • Page 14

    ... PLL needs to settle. The turn on time of the PLL is determined mainly by the turn on time of the crystal oscillator and is less than 1 msec when the specified crystal is used. The current consumption is typically 4mA. Data Sheet Functional Description Power Amplifier OFF ON 14 TDA7110F V 1.0, 2009-02-26 ...

  • Page 15

    ... PDWN pin recommended to leave it open. The principle schematic of the power mode control circuitry is shown in Figure 3 PDWN ASKDTA FSKDTA Figure 3 Power mode control circuitry Data Sheet OR On Bias Source 120 kΩ 120 kΩ 434 PA PLL MHz 15 TDA7110F Functional Description FSK 1.0, 2009-02-26 FSKOUT PAOUT ...

  • Page 16

    ... Pin open 3) High: Voltage at pin > 1.5V Other combinations of the control pins PDWN, FSKDTA and ASKDTA are not recommended. Data Sheet Functional Description ASKDTA MODE Low, Open POWER DOWN Low Low Low Open, High Open, High High 16 TDA7110F PLL ENABLE TRANSMIT V 1.0, 2009-02-26 ...

  • Page 17

    ... FSK Modulation using FSKDTA and ASKDTA, PDWN not connected. Modes: Power Down High FSKDTA Low High ASKDTA Low Figure 5 FSK Modulation Data Sheet PLL Enable to to min. 1 msec. PLL Enable to to min. 1 msec. 17 TDA7110F Functional Description Transmit t DATA t Transmit DATA 1.0, 2009-02-26 ...

  • Page 18

    ... Alternative FSK Modulation Modes: Power Down High PDWN Low Open, High ASKDTA Low Open, High FSKDTA Low Figure 7 Alternative FSK Modulation Data Sheet PLL Enable to to min. 1 msec. PLL Enable min. 1 msec. 18 TDA7110F Functional Description Transmit t DATA t Transmit t t DATA t V 1.0, 2009-02-26 ...

  • Page 19

    ... Applications 3.1 50 Ohm-Output Testboard Schematic Figure 8 50 Ohm-output testboard schematic Data Sheet TDA7110F 19 TDA7110F Applications V 1.0, 2009-02-26 ...

  • Page 20

    ... Ohm-Output Testboard Layout Figure 9 Top Side of TDA7110F-Testboard Figure 10 Bottom Side of TDA7110F-Testboard 1) Name and labeling of the PCB itself is TDK510xF Data Sheet 1) with 50 Ohm-Output 1) with 50 Ohm-Output 20 TDA7110F Applications V 1.0, 2009-02-26 ...

  • Page 21

    ... X7R, +/-10% 0603, C0G, +/-1% 0603, C0G, +/-1% 0603, C0G, +/-5% 0603, C0G, +/-0.1p 0603, X7R, +/-10% EPCOS SIMID 0603-C, +/-2% EPCOS SIMID 0603-C, +/-2% single-pole connector, 2.54 mm single-pole connector, 2. position “XTAL” in position “FSK” Tokyo Denpa TSS-3B 13.56875 MHz Spec. No. 10-50205 21 TDA7110F Applications V 1.0, 2009-02-26 ...

  • Page 22

    ... Application Hints on the crystal oscillator The crystal oscillator achieves a turn on time less than 1 msec when the specified crystal is used. To achieve this, a NIC oscillator type is implemented in the TDA7110F. The input impedance of this oscillator is a negative resistance in series to an inductance. Therefore the load capacitance of the crystal CL (specified by the crystal supplier) is transformed to the capacitance Cv ...

  • Page 23

    ... N: division ratio of the PLL df: peak frequency deviation Because of the inductive part of the TDA7110F, these values must be corrected by Formula 1 on the preceding page. The value of Cv± can be calculated. Data Sheet FSKDTA FSKOUT Csw Cv1 COSC IC Δ ...

  • Page 24

    ... To achieve a low current consumption and a low spurious radiation, the largest possible RL should be chosen. Data Sheet 1 ± ω ± CL ± is equal to Cv1 (C1 in the application diagram). If the ∗ − + Csw − fCLKOUT * 8 * fCLKOUT=847.5 kHz 24 TDA7110F Applications ∗ Csw ) Cv 1 CLD [ ] RL kOhm 27 12 6.8 V 1.0, 2009-02-26 ...

  • Page 25

    ... During the conducting phase of the transistor, its collector voltage is very small. This way the power loss of the transistor, equal minimized. This is particularly true for small current flow angles of Data Sheet for an RF output power 450 TDA7110F Applications 10dBm (10mW) is: o Ω θ<<π. V 1.0, 2009-02- ...

  • Page 26

    ... The depth of this dip will increase with higher values of R Data Sheet OPT OUT OPT 100 200 300 400 RL [Ohm] (mW) and collector efficiency E vs. load resistor the power amplifier and the RF output power TDA7110F Applications = 3 V. Losses in S Pout [mW] 10*Ec 500 . L vary with 1.0, 2009-02-26 ...

  • Page 27

    ... Limit Values min. max. −40 T +150 J −40 T +125 s R 220 thJA −0 -0.3 V pins pin9 ESD V -2.5 +2.5 ESD = −40°C to +85° TDA7110F Unit Remarks °C ° ESD-Diode JEDEC Standard JESD22-A114-B kV JEDEC Standard JESD22-A114-B V 1.0, 2009-02-26 Reference S ...

  • Page 28

    ... Ambient temperature T S Symbol Limit Values min. typ. I 0.3 S PDWN PLL_EN I 14.2 S TRANSM f 427 434.5 OUT I CLKOUT V SATL 28 TDA7110F Reference Unit Test Conditions V °C =25°C amb Unit Test Conditions max. 100 nA V (Pins 10, 6 and 7) < 0 442 MHz OUT 5 µ ...

  • Page 29

    ... COSCmax 4.6 0 ASKDTA 1.5 ASKDTA I ASKDTA I -20 ASKDTA f ASKDTA V 0 FSKDTA V 1.5 FSKDTA I FSKDTA I -20 FSKDTA f FSKDTA OUT434 29 TDA7110F Reference =25°C (cont’d) amb Unit Test Conditions max. Ω 250 FSKDTA FSKDTA kΩ FSKDTA 1 FSKDTA 5 pF Ω 100 f = 13.56 MHz µ ...

  • Page 30

    ... Symbol Limit Values min. typ PDWN I 2 PLL_EN TRANSM I 14.2 S TRANSM I 16.2 S TRANSM f 432 434.5 OUT I CLKOUT V SATL 30 TDA7110F Reference =25°C (cont’d) amb Unit Test Conditions max. 0 ASKDTA V FSKDTA ASKDTA ASKDTA 30 µ PDWN = 0 mA =-40°C ... +85°C Unit Test Conditions max. μ ...

  • Page 31

    ... COSCmax 4.6 0 ASKDTA 1.5 ASKDTA I ASKDTA I -20 ASKDTA f ASKDTA V 0 FSKDTA V 1.5 FSKDTA I FSKDTA I -20 FSKDTA f FSKDTA 31 TDA7110F Reference =-40°C ... +85°C (cont’d) Unit Test Conditions max. Ω 280 V FSKDTA FSKDTA kΩ V FSKDTA 1 FSKDTA 5 pF Ω 100 f = 13.56 MHz µ 13.56 MHz ...

  • Page 32

    ... OUT, 434 P 6.5 11.5 OUT, 434 V 0 PDWN V 1.5 PDWN V 1.5 PDWN I PDWN VCO must not be increased by more than 40 MHz by increasing V VCO CLKOUT 32 TDA7110F Reference =-40°C ... +85°C (cont’d) Unit Test Conditions max. 9.5 dBm dBm dBm ASKDTA ...

  • Page 33

    ... B Index Marking Figure 15 PG-TSSOP-10 You can find all of our packages, sorts of packing and others in our Infineon Internet Page “Products”: SMD = Surface Mounted Device Data Sheet H 0 http://www.infineon.com/products 33 TDA7110F Package Outlines 3 ±0.1 C +0.15 0.42 -0.1 4.9 0. Dimensions 1.0, 2009-02-26 ...

  • Page 34

    ... ASKDTA - Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 6 Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 7 Clock Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Table 8 Absolute Maximum Ratings, Table 9 Operating Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Table 10 Supply Voltage V Table 11 Supply Voltage V Data Sheet -40 °C … +85 ° amb =3V, Ambient temperature T S =2.1V ... 4.0V, T =-40°C ... +85° amb 34 TDA7110F Page =25° amb V 1.0, 2009-02-26 ...

  • Page 35

    ... ASK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 5 FSK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 6 Alternative ASK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 7 Alternative FSK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 8 50 Ohm-output testboard schematic . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 9 Top Side of TDA7110F-Testboard with 50 Ohm-Output . . . . . . . . . . . 20 Figure 10 Bottom Side of TDA7110F-Testboard Figure 11 Application Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 12 FSK Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 13 Equivalent power amplifier tank circuit Figure 14 Output power Po (mW) and collector efficiency E vs ...

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    ... Published by Infineon Technologies AG ...