TDA7100 Infineon Technologies, TDA7100 Datasheet

IC TX ASK/FSK 434MHZ 10-TSSOP

TDA7100

Manufacturer Part Number
TDA7100
Description
IC TX ASK/FSK 434MHZ 10-TSSOP
Manufacturer
Infineon Technologies
Type
Transmitterr
Datasheet

Specifications of TDA7100

Package / Case
10-TSSOP
Frequency
433MHz ~ 435MHz
Applications
Alarm Systems, Communication Systems
Modulation Or Protocol
ASK, FSK
Data Rate - Maximum
20 kbps
Power - Output
6.9dBm
Current - Transmitting
7.5mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.1 V ~ 4 V
Operating Temperature
-20°C ~ 70°C
Operating Frequency
435 MHz
Operating Supply Voltage
2.5 V, 3.3 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
- 20 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
SP000296466
TDA7100
TDA7100INTR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA7100
Manufacturer:
CYPRESS
Quantity:
2 200
D at a Sh ee t , V 1. 0 , Ma y 20 0 7
TDA7100
434 M Hz ASK/ FS K Transm i tte r in 10 -p in
P a c k a g e
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 .

Related parts for TDA7100

TDA7100 Summary of contents

Page 1

... TDA7100 434 M Hz ASK Transm i tte mpo ne nts ...

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

... TDA7100 434 M Hz ASK Transm i tte mpo ne nts ...

Page 4

... TDA7100 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: sensors@infineon ...

Page 5

... Application Hints on the Power-Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4 Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.1 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.1.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.2 Operating Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.3 AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.3.1 AC/DC Characteristic at 3V, 25° 4.3.2 AC/DC Characteristic at 2.1V ...4.0 V, -20°C ...+70° Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Data Sheet 5 TDA7100 Page V 1.0, 2007-05-02 ...

Page 6

... Product Description 1.1 Overview The TDA7100 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 TDA7100 Functional Description 10 PDWN 9 PAOUT 8 PAGND 7 FSKDTA ...

Page 8

... The switch is open when the signal at FSKDTA (pin logic high state. 200 kΩ 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 TDA7100 Functional Description V 1.0, 2007-05-02 ...

Page 9

... kΩ +1 kΩ 30 µ TDA7100 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 V +1 kΩ +1 kΩ 30 µA 10 TDA7100 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 TDA7100 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 TDA7100 V 1.0, 2007-05-02 ...

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 TDA7100 V 1.0, 2007-05-02 ...

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 3.5 mA. Data Sheet Functional Description Power Amplifier OFF ON 14 TDA7100 V 1.0, 2007-05-02 ...

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 Source Figure 3 Power mode control circuitry Data Sheet OR On Bias 120 kΩ 120 kΩ On 434 PA PLL MHz 15 TDA7100 Functional Description FSKOUT FSK PAOUT IC V 1.0, 2007-05-02 ...

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 TDA7100 PLL ENABLE TRANSMIT V 1.0, 2007-05-02 ...

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 TDA7100 Functional Description Transmit t DATA t Transmit DATA 1.0, 2007-05-02 ...

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 TDA7100 Functional Description Transmit t DATA t Transmit t t DATA t V 1.0, 2007-05-02 ...

Page 19

... Applications 3.1 50 Ohm-Output Testboard Schematic Figure 8 50 Ohm-output testboard schematic Data Sheet 19 TDA7100 Applications V 1.0, 2007-05-02 ...

Page 20

... Ohm-Output Testboard Layout Figure 9 Top Side of TDA7100-Testboard with 50 Ohm-Output Figure 10 Bottom Side of TDA7100-Testboard with 50 Ohm-Output Data Sheet 20 TDA7100 Applications V 1.0, 2007-05-02 ...

Page 21

... C9 3p3 C10 47n L1 47n L2 120n Data Sheet Specification 0603, +/-5% 0603, +/-5% 0603, +/-5% 0603, C0G, +/-1% 0603, C0G, +/-0.1p 0603, 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% 21 TDA7100 Applications V 1.0, 2007-05-02 ...

Page 22

... Pin X4 Pin X5 SMA-connector X6 SMA-connector X7 n.e. JP1 solder bridge JP2 solder bridge Q1 13.56875 MHz IC1 TDA7100 Data Sheet Specification single-pole connector, 2.54mm single-pole connector, 2.54mm in position “XTAL” in position “FSK” Tokyo Denpa TSS-3B 13.56875 MHz Spec.No. 10-50205 22 TDA7100 Applications V 1.0, 2007-05-02 ...

Page 23

... Stripline-Antenna Testboard Schematic Figure 11 Stripline-antenna testboard schematic Data Sheet 23 TDA7100 Applications V 1.0, 2007-05-02 ...

Page 24

... Stripline-Antenna Testboard Layout Figure 12 Top Side of TDA7100-Testboard with Figure 13 Bottom Side of TDA7100-Testboard with Please note that this board layout may be used for both high- and low-power applications, see also the bill of materials on the subsequent pages. In case of ASK operation the solder bridge JP2 has to be shortened in the “ASK”- position, in case of FSK modulation in the“ ...

Page 25

... JP2 solder bridge Q1 13.56875 MHz Data Sheet 0R 0R 0603, EPCOS SIMID, +/-2% 0R Tokyo Denpa TSS-3B 13.56875 MHz 25 TDA7100 Applications Specification 0603, SMD-Jumper 0603, SMD-Jumper 0603, +/-5% 0603, X7R, +/-10% 0603, +/-1% 0603, +/-5% 0603, C0G, +/-1% 0603, C0G, +/-0.1p 0603, X7R, +/-10% 0603, C0G, +/-0.1p 0603, C0G, +/-0 ...

Page 26

... 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 TDA7100. 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 27

... Phase Locked Loop to the output of the power amplifier. In case of small frequency deviations (up to +/- 1000 ppm), the two desired load capacitances can be calculated with the formula below. CL Data Sheet ω FSKDTA FSKOUT Csw Cv1 COSC IC ∆ ± = ∆ ± TDA7100 Applications C 1 Cv2 + 1.0, 2007-05-02 ...

Page 28

... PLL df: peak frequency deviation Because of the inductive part of the TDA7100, these values must be corrected by Formula 1 on the preceding page. The value of Cv± can be calculated. If the FSK switch is closed, Cv FSK switch is open, Cv2 (C2 in the application diagram) can be calculated. ...

Page 29

... The load and its resonance transformation to the collector of the power amplifier can be generalized by the equivalent circuit of Figure 16. The tank circuit L//C//RL in parallel to the output impedance of the transistor should be in resonance at the operating frequency of the transmitter. Data Sheet fCLKOUT * 8 * CLD fCLKOUT=847.5 kHz 29 TDA7100 Applications [ ] RL kOhm 27 12 6.8 V 1.0, 2007-05-02 ...

Page 30

... The diagram of Figure 17 was measured directly at the PA-output at V the matching circuitry decrease the output power by about 1.5 dB. As can be seen from Data Sheet for an RF output power 1423 00316 . TDA7100 Applications dBm (3.16 mW) is: o Ω θ<<π Losses 1.0, 2007-05- ...

Page 31

... The depth of this dip will increase with higher values of R Data Sheet OPT OUT OPT 1000 2000 (mW) and collector efficiency E vs. load resistor the power amplifier and the RF output power Applications 10*E Po 3000 RL [Ohm] V 1.0, 2007-05-02 TDA7100 . L vary with ...

Page 32

... Symbol Limit Values min. max. −40 T +150 J −40 T +125 s R 220 thJA −0 -0.3 V pins pin9 ESD ESD = −20°C to +70° Unit Remarks °C ° ESD-Diode JEDEC Standard JESD22-A114-B kV JEDEC Standard JESD22-A114-B V 1.0, 2007-05-02 TDA7100 Reference S ...

Page 33

... Ambient temperature T S Symbol Limit Values min. typ. I 0.3 S PDWN I 3.5 S PLL_EN I 7.5 S TRANSM f 427 434 OUT I CLKOUT V SATL 33 TDA7100 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 µA ...

Page 34

... 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 P 5.2 OUT434 34 TDA7100 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 35

... PDWN I PDWN CLKOUT =2.1V ... 4.0V amb Symbol Limit Values min. typ PDWN I 3.5 S PLL_EN I 7.5 S TRANSM f 432 434 OUT I CLKOUT V SATL 35 TDA7100 Reference =25°C (cont’d) amb Unit Test Conditions max. 0 ASKDTA V FSKDTA ASKDTA ASKDTA 30 µ PDWN = 0 mA =-20°C ... +70°C ...

Page 36

... 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 36 TDA7100 Reference =-20°C ... +70°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 37

... Symbol Limit Values min. typ. P 2.5 OUT, 434 P 5.2 OUT, 434 P 6.9 OUT, 434 V 0 PDWN V 1.5 PDWN V 1.5 PDWN I PDWN CLKOUT 37 TDA7100 Reference =-20°C ... +70°C (cont’d) Unit Test Conditions max. dBm dBm dBm ASKDTA V FSKDTA ASKDTA ...

Page 38

... B Index Marking Figure 18 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 38 TDA7100 Package Outlines 3 ±0.1 C +0.15 0.42 -0.1 4.9 0. Dimensions 1.0, 2007-05-02 ...

Page 39

... 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 TDA7100-Testboard with 50 Ohm-Output . . . . . . . . . . . . 20 Figure 10 Bottom Side of TDA7100-Testboard with 50 Ohm-Output Figure 11 Stripline-antenna testboard schematic Figure 12 Top Side of TDA7100-Testboard with Stripline-Antenna . . . . . . . . . . . 24 Figure 13 Bottom Side of TDA7100-Testboard with Stripline-Antenna . . . . . . . . 24 Figure 14 Application Hints ...

Page 40

... Bill of Materials Table 8 Bill of Materials Table 9 Clock Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Table 10 Absolute Maximum Ratings, Table 11 Operating Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Table 12 Supply Voltage V Table 13 Supply Voltage V Data Sheet -20 °C … +70 ° amb =3V, Ambient temperature T S =2.1V ... 4.0V, T =-20°C ... +70° amb 40 TDA7100 Page =25° amb V 1.0, 2007-05-02 ...

Page 41

... Published by Infineon Technologies AG ...

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