TDA7110XT Infineon Technologies, TDA7110XT Datasheet
TDA7110XT
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Wireless Components ASK/FSK Transmitter 868/433 MHz TDA7110 Version 1.0 Data Sheet December 2008 Preliminary ...
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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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Product Info General Description The TDA7110 is a single chip ASK/FSK transmitter for the frequency bands 868-870 MHz and 433-435 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a ...
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Product Description Contents of this Chapter 1.1 Overview ...
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Overview The TDA7110 is a single chip ASK/FSK transmitter for the frequency bands 868-870 MHz and 433-435 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a fully integrated ...
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Package Outlines Figure 1-1 Wireless Components PG-TSSOP- TDA7110 Product Description Data Sheet, December 2008 ...
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Functional Description Contents of this Chapter 2.1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Pin Configuration Figure 2-1 Table 2-1 Pin No Wireless Components ...
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Pin Definitions and Functions Table 2-2 Pin Symbol Interface Schematic No. 1 PDWN LPD 300 Ω Wireless Components 1) Disable pin for the complete transmitter cir- cuit μA ∗ (ASKDTA+FSKDTA) A logic ...
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GND 6 ASKDTA +1 kΩ 7 FSKDTA +1 kΩ Wireless Components Output of the charge pump and input of the VCO control voltage. The loop bandwidth of the PLL ...
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CLKOUT 300 Ω 9 CLKDIV +1 kΩ 10 COSC kΩ 11 FSKOUT V S 200 µA 1.5 kΩ 12 FSKGND Wireless Components Clock output to supply an external device. An external pull-up resistor ...
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PAGND 14 PAOUT 15 FSEL +1 kΩ 16 CSEL +1 Ω 1) Indicated voltages and currents apply for PLL Enable Mode and Transmit Mode. In Power Down Mode, the values are zero ...
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Functional Block diagram Figure 2-2 Wireless Components Functional Block diagram TDA7110 Functional Description Block_diagram.wmf Data Sheet, December 2008 ...
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Functional Blocks 2.4.1 PLL Synthesizer The Phase Locked Loop synthesizer consists of a Voltage Controlled Oscillator (VCO), an asynchronous divider chain, a phase detector, a charge pump and a loop filter fully implemented on chip. The tuning ...
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To achieve FSK transmission, the oscillator frequency can be detuned by a fixed amount by switching an external capacitor via FSKOUT (pin 11). The condition of the switch is controlled by the signal at FSKDTA (pin 7). Table 2-5 1) ...
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Low Power Detect The supply voltage is sensed by a low power detector. When the supply voltage drops below 2.15 V, the output LPD (pin 2) switches to the low-state. To mini- mize the external component count, an internal ...
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The principle schematic of the power mode control circuitry is shown in Figure 2-5. PDWN ASKDTA FSKDTA Figure 2-5 Table 3-8 provides a listing of how to get into the different power modes Table 2-8 PDWN Low Open High Open ...
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Recommended timing diagrams for ASK- and FSK-Modulation ASK Modulation using FSKDTA and ASKDTA, PDWN not connected Modes: Power Down High FSKDTA Low Open, High ASKDTA Low Figure 2-6 FSK Modulation using FSKDTA and ASKDTA, PDWN not connected Modes: Power ...
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Alternative ASK Modulation, FSKDTA not connected. Modes: Power Down High PDWN Low Open, High ASKDTA Low Figure 2-8 Alternative FSK Modulation Modes: Power Down High PDWN Low Open, High ASKDTA Low Open, High FSKDTA Low Figure 2-9 Wireless Components PLL ...
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Wireless Components Functional Description Data Sheet, December 2008 TDA7110 ...
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Applications Contents of this Chapter 3.1 50 Ohm-Output Testboard: Schematic . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.2 50 Ohm-Output Testboard: ...
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Ohm-Output Testboard: Schematic Figure 3-1 Wireless Components X2SMA VCC 433 (868) MHz C3 6.78 (13.56) MHz TDA7110 C1 T1 R3A VCC R3F R4 R2 X1SMA 50Ω-output testboard schematic TDA7110 Applications ...
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Ohm-Output Testboard: Layout Figure 3-2 Figure 3-3 Wireless Components Top Side of TDA7110-Testboard with 50 Ω-Output Bottom Side of TDA7110-Testboard with 50 Ω-Output TDA7110 Applications pcboben.pdf pcbunten.pdf Data Sheet, December 2008 ...
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Ohm-Output Testboard: Bill of material Table 3-1 Bill of material Part Value 434 MHz R1 4.7k R2 R3A R3F R4 open C1 47nF C2 27pF C3 6.8pF C4 330pF C5 1nF 12pF L1 68nH L2 ...
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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 TDA7110. The input impedance ...
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Example for the FSK-Mode: FSK modulation is achieved by switching the load capacitance of the crystal as shown below. The frequency deviation of the crystal oscillator is multiplied with the divider factor N of the Phase Locked Loop to the ...
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If the FSK switch is closed, Cv_ is equal to Cv1 (C6 in the application diagram). If the FSK switch is open, Cv2 (C7 in the application diagram) can be calculated. Csw: Remark: The 434 MHz The 868 MHz 3.5 ...
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Application Hints on the Power-Amplifier The power amplifier operates in a high efficient class C mode. This mode is characterized by a pulsed operation of the power amplifier transistor at a current flow angle of passes the fundamental frequency ...
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The output power P characterised by R The power efficiency (and the bandwidth) increase when operating at a slightly higher R The collector efficiency E is defined The diagram of Figure 3-5 was measured directly at ...
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As Figure 3-6 shows, detuning beyond the bandwidth of the matching circuit results in an increase of the collector current of the power amplifier and in some loss of output power. This diagram shows the data for the circuit of ...
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Figure 3-7 Above you can see the measurement of the evalboard with a span of 200 MHz. The evalboard has been optimized for 3 V. The load is about 250+j0 Ω at the transmit frequency. A tuning-free realization requires a ...
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Reference Contents of this Chapter 4.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Absolute Maximum Ratings The characteristic limits are not guaranteed. The maximum ratings must not be exceeded under any circumstances, not even momentarily and individually, as permanent damage to the IC may result. Table 4-1 Parameter Junction ...
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AC/DC Characteristics 4.3.1 AC/DC Characteristics at 3V, 25°C Table 4-3 Supply Voltage Ambient temperature T S Parameter Symbol Current consumption Power-Down mode I S PDWN PLL-Enable mode I S PLL_EN Transmit mode I S TRANSM ...
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Table 4-3 Supply Voltage Ambient temperature T S Parameter Symbol FSK Modulation Data Input (Pin 7) FSK Switch on V FSKDTA FSK Switch off V FSKDTA Input bias current FSKDTA I FSKDTA Input bias current FSKDTA ...
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Table 4-3 Supply Voltage Ambient temperature T S Parameter Symbol Power Amplifier Output (Pin 14 Output Power OUT433 transformed to 50 Ohm P OUT868 Frequency Range Selection (Pin 15) Transmit frequency 433 MHz V ...
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AC/DC Characteristics at 2.1 V ... 4.0 V, -40°C ... +85°C Table 4-4 Supply Voltage V = 2.1 V ... 4.0 V, Ambient temperature T S Parameter Symbol Current consumption Power-Down mode I S PDWN PLL-Enable mode I S ...
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Table 4-4 Supply Voltage V = 2.1 V ... 4.0 V, Ambient temperature T S Parameter Symbol FSK Modulation Data Input (Pin 7) FSK Switch on V FSKDTA FSK Switch off V FSKDTA Input bias current FSKDTA I FSKDTA Input ...
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Table 4-4 Supply Voltage V = 2.1 V ... 4.0 V, Ambient temperature T S Parameter Symbol Power Amplifier Output (Pin 14 Output Power at 433 MHz OUT, 433 transformed to 50 Ohm. P OUT, 433 V = ...