TDK5101 Infineon Technologies, TDK5101 Datasheet

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TDK5101

Manufacturer Part Number
TDK5101
Description
TRANSMITTER ASK/FSK SGL TSSOP16
Manufacturer
Infineon Technologies
Type
Transmitterr
Datasheet

Specifications of TDK5101

Package / Case
16-TSSOP
Frequency
315MHz
Applications
Alarm Systems, Communication Systems
Modulation Or Protocol
ASK, FSK
Data Rate - Maximum
20 kbps
Power - Output
5dBm
Current - Transmitting
7mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.1 V ~ 4 V
Operating Temperature
-25°C ~ 85°C
Operating Frequency
317 MHz
Operating Supply Voltage
2.5 V, 3.3 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Temperature (min)
-40C
Operating Temperature (max)
125C
Operating Temperature Classification
Automotive
Product Depth (mm)
4.4mm
Operating Supply Voltage (min)
2.1V
Operating Supply Voltage (typ)
2.5/3.3V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Memory Size
-
Lead Free Status / Rohs Status
Compliant
Other names
SP000014558
SP000014559
TDK5101T

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Wireless Components
ASK/FSK Transmitter 315 MHz
TDK 5101 Version 1.0
Specification October 2002
Preliminary

Related parts for TDK5101

TDK5101 Summary of contents

Page 1

Wireless Components ASK/FSK Transmitter 315 MHz TDK 5101 Version 1.0 Specification October 2002 Preliminary ...

Page 2

... Components used in life-support devices or systems must be expressly authorized for such purpose! 1 Critical components of the Infineon Technologies AG, may only be used in life-support devices or systems Infineon Technologies AG critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life- support device or system affect its safety or effectiveness of that device or system ...

Page 3

Product Info General Description The TDK 5101 is a single chip ASK/ FSK transmitter for the frequency band 311-317 MHz. The IC offers a high level of integration and needs only a few external components. The device con- tains a ...

Page 4

Product Description Contents of this Chapter 2.1 Overview ...

Page 5

Overview The TDK 5101 is a single chip ASK/FSK transmitter for the frequency band 311- 317 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a fully integrated PLL ...

Page 6

Package Outlines Figure 2-1 Wireless Components P-TSSOP- TDK 5101 Product Description Specification, October 2002 ...

Page 7

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

Page 8

Pin Configuration Figure 3-1 Table 3-1 Pin No Wireless Components PDWN 1 16 LPD TDK ...

Page 9

Pin Definitions and Functions Table 3-2 Pin Symbol Interface Schematic No. 1 PDWN LPD 300 3 VS Wireless Components 1) Disable pin for the complete transmitter cir- cuit. A logic low (PDWN < 0.7 V) ...

Page 10

GND 6 ASKDTA FSKDTA Wireless Components Output of the charge pump and input of the VCO control voltage. The loop bandwidth ...

Page 11

CLKOUT 300 9 CLKDIV COSC FSKOUT V S 200 µA 1 FSKGND Wireless Components Clock output to supply an external device. An external pull-up resistor has ...

Page 12

PAGND 14 PAOUT 15 FSEL CSEL Indicated voltages and currents apply for PLL Enable Mode and Transmit Mode. In Power Down Mode, the values are zero or ...

Page 13

FSK POWER DATA DOWN INPUT MODE GND ASK 6 11 DATA INPUT XTAL PD :128/64 10 Osc 6.78/13.56 MHz 9 :2/8 CLKDIV :4/ CRYSTAL CLKOUT 6.78/13.56 LOW POWER GND DETECT V OUTPUT ...

Page 14

Functional Blocks 3.4.1 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 ...

Page 15

Power Amplifier For operation at 315 MHz, the power amplifier is fed with the VCO frequency divided possible to feed the power amplifier directly from the voltage controlled oscillator. This is controlled by FSEL (pin ...

Page 16

Power Modes The IC provides three power modes, the POWER DOWN MODE, the PLL ENABLE MODE and the TRANSMIT MODE. 3.4.5.1 Power Down Mode In the POWER DOWN MODE the complete chip is switched off. The current consumption is ...

Page 17

PDWN ASKDTA FSKDTA Figure 3-5 Table 3-7 provides a listing of how to get into the different power modes Table 3-7 PDWN Low Open High Open Open Open 1) Low: 2) Open: 3) High: Other combinations of the control pins ...

Page 18

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 3-6 FSK Modulation using FSKDTA and ASKDTA, PDWN not connected Modes: Power ...

Page 19

Alternative ASK Modulation, FSKDTA not connected. Modes: Power Down High PDWN Low Open, High ASKDTA Low Figure 3-8 Alternative FSK Modulation Modes: Power Down High PDWN Low Open, High ASKDTA Low Open, High FSKDTA Low Figure 3-9 Wireless Components PLL ...

Page 20

Applications Contents of this Chapter 4.1 50 Ohm-Output Testboard Schematic . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4.2 50 Ohm-Output Testboard ...

Page 21

... Ohm-Output Testboard Schematic Figure 4-1 Wireless Components X2SMA VCC C3 TDK5101 C1 T1 R3A VCC R3F R4 R2 X1SMA 50 -Output testboard schematic TDK 5101 Applications 0.615 (2.46) MHz FSK ASK C5 R1 50ohm_test_v5.wmf Specification, October 2002 ...

Page 22

Ohm-Output Testboard Layout Figure 4-2 Figure 4-3 Wireless Components Top Side of TDK 5101-Testboard with 50 -Output the same testboard as for the TDA 5100. Bottom Side of TDK 5101-Testboard with 50 -Output the ...

Page 23

Bill of material (50 Ohm-Output Testboard) Table 4-1 Bill of material Part R1 R2 R3A R3F IC1 Wireless Components ASK 315 MHz FSK ...

Page 24

... Pout over Temperature of the 50 -testboard with TDK5101 at 315 MHz Is over temperature TDK5101 315 MHz 9 8,5 8 7,5 7 6,5 6 5 [°C] Is over temperature of the 50 -testboard with TDK5101 at 315 MHz TDK 5101 Applications 4,0 V 3,0 V 2,1 V 2,0 V 1,9 V 100 150 Pout_over_Temp_315.wmf 4,0 V 3,0 V 2,1 V ...

Page 25

Application Hints on the crystal oscillator As mentioned before, the crystal oscillator achieves a turn on time less than 1 msec. To achieve this, a NIC oscillator type is implemented in the TDK 5101. The input impedance of this ...

Page 26

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 ...

Page 27

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 50 -Output testboard shows an FSK-deviation ...

Page 28

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 ...

Page 29

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 4-7 was measured directly at the ...

Page 30

... Do not remove the IC or any part of the matching-compo- nents! 5. Screw sure that your network analyzer is AC-coupled and turn on the power supply of the IC. The TDK5101 must not be in Transmit-Mode. 7. Measure the S-parameter S11 Wireless Components = 700 , which is the optimum impedance for operation This ...

Page 31

Figure 4-9 Above you can see the measurement of the evalboard with a span of 100 MHz. The evalboard has been optimized for 3 V. The load is about 700+j0 the transmit frequency. A tuning-free realization requires a careful design ...

Page 32

Reference Contents of this Chapter 5.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 33

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 5-1 Parameter Junction ...

Page 34

AC/DC Characteristics 5.3.1 AC/DC Characteristics at 3V, 25°C Table 5-3 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 ...

Page 35

Table 5-3 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 ...

Page 36

Table 5-3 Supply Voltage Ambient temperature T S Parameter Symbol Power Amplifier Output (Pin 14 Output Power OUT315 transformed to 50 Ohm Frequency Range Selection (Pin 15) Transmit frequency 315 MHz V FSEL Input ...

Page 37

AC/DC Characteristics at 2.1 V ... 4.0 V, -40°C ... +125°C Table 5-4 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 ...

Page 38

Table 5-4 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 ...

Page 39

Table 5-4 Supply Voltage V = 2.1 V ... 4.0 V, Ambient temperature T S Parameter Symbol Power Amplifier Output (Pin 14 Output Power at 315 MHz OUT, 315 transformed to 50 Ohm. P OUT, 315 V = ...

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