Da ta S heet, Versio n 1.2, 2 007-02-26
TDA5255 E1
ASK/FSK 434MHz Wireless
Transceiver
Wireless Components
N e v e r
s t o p
t h i n k i n g .
Edition 2007-02-26
Published by Infineon Technologies AG,
Am Campeon 1-12,
D-85579 Neubiberg, Germany
©
Infineon Technologies AG 3/7/07.
All Rights Reserved.
Attention please!
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circuits, descriptions and charts stated herein.
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Information
For further information on technology, delivery terms and conditions and prices please contact your nearest
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Warnings
Due to technical requirements components may contain dangerous substances. For information on the types in
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Da ta S heet, Versio n 1.2, 2 007-02-26
TDA5255 E1
ASK/FSK 434MHz Wireless
Transceiver
Wireless Components
N e v e r
s t o p
t h i n k i n g .
Data Sheet
Revision History:
Previous Version:
Page
5
5, 9
76
2007-02-26
Version 1.1 as of 2002-11-28
TDA5255 E1
Subjects (major changes since last revision)
Indication of the Ordering Code
Correction of the Package Name
Indication of the ESD-integrity values
For questions on technology, delivery and prices please contact the Infineon
Technologies Offices in Germany or the Infineon Technologies Companies and
Representatives worldwide: see our webpage at http://www.infineon.com
ABM
®
, AOP
®
, ARCOFI
®
, ARCOFI
®
-BA, ARCOFI
®
-SP, DigiTape
®
, EPIC
®
-1, EPIC
®
-S,
ELIC
®
, FALC
®
54, FALC
®
56, FALC
®
-E1, FALC
®
-LH, IDEC
®
, IOM
®
, IOM
®
-1, IOM
®
-2,
IPAT
®
-2, ISAC
®
-P, ISAC
®
-S, ISAC
®
-S TE, ISAC
®
-P TE, ITAC
®
, IWE
®
, MUSAC
®
-A,
OCTAT
®
-P, QUAT
®
-S, SICAT
®
, SICOFI
®
, SICOFI
®
-2, SICOFI
®
-4, SICOFI
®
-4µC,
SLICOFI
®
are registered trademarks of Infineon Technologies AG.
ACE™, ASM™, ASP™, POTSWIRE™, QuadFALC™, SCOUT™ are trademarks of
Infineon Technologies AG.
Controller Area Network (CAN): License of Robert Bosch GmbH
ASK/FSK 434MHz Wireless Transceiver
TDA5255 E1
Version 1.2
Product Info
General Description
The IC is a low power consumption single chip FSK/ASK
Transceiver for half duplex low datarate communication in the
433-435MHz band. The IC offers a very high level of integration
and needs only a few external components. It contains a highly
efficient power amplifier, a low noise amplifier (LNA) with AGC,
a double balanced mixer, a complex direct conversion stage, I/
Q limiters with RSSI generation, an FSK demodulator, a fully
integrated VCO and PLL synthesizer, a tuneable crystal
oscillator, an onboard data filter, a data comparator (slicer),
positive and negative peak detectors, a data rate detection
circuit and a 2/3-wire bus interface. Additionally there is a power
down feature to save battery power.
Features
– Low supply current (I
s
= 9mA typ. receive, I
s
= 13mA typ. transmit mode)
– Supply voltage range 2.1 - 5.5V
– Power down mode with very low supply
current consumption
– FSK and ASK modulation and demodulation
capability
– Fully integrated VCO and PLL
synthesizer and loop filter on-chip with on
chip crystal oscillator tuning
– I
2
C/3-wire µController Interface
– On-chip low pass channel select filter and
data filter with tuneable bandwidth
– Data slicer with self-adjusting threshold and
2 peak detectors
– FSK sensitivity <-109dBm, ASK sensitivity <
–109dBm
– Transmit power up to +13dBm
– Datarates up to 100kBit/s Manchester
Encoded
– Self-polling logic with ultra fast data rate
detection
Application
– Low Bitrate Communication
Systems
– Keyless Entry Systems
– Remote Control Systems
– Alarm Systems
Type
TDA5255 E1
Data Sheet
Ordering Code
SP000014555
5
– Telemetry Systems
– Electronic Metering
– Home Automation Systems
Package
PG-TSSOP-38
2007-02-26
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