tda5255e1 Infineon Technologies Corporation, tda5255e1 Datasheet - Page 5
![no-image](/images/no-image-200.jpg)
tda5255e1
Manufacturer Part Number
tda5255e1
Description
Ask/fsk 434mhz Wireless Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
1.TDA5255E1.pdf
(93 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA5255E1
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
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ASK/FSK 434MHz Wireless Transceiver
TDA5255 E1
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
– Supply voltage range 2.1 - 5.5V
– Power down mode with very low supply
– FSK and ASK modulation and demodulation
– Fully integrated VCO and PLL
– I
Application
– Low Bitrate Communication
– Keyless Entry Systems
– Remote Control Systems
– Alarm Systems
Preliminary Specification
Type
TDA5255 E1
= 13mA typ. transmit mode)
current consumption
capability
synthesizer and loop filter on-chip with on
chip crystal oscillator tuning
Systems
2
C/3-wire µController Interface
s
= 9mA typ. receive, I
Ordering Code
s
5
– On-chip low pass channel select filter and
– Data slicer with self-adjusting threshold and
– FSK sensitivity <-109dBm, ASK sensitivity <
– Transmit power up to +13dBm
– Datarates up to 100kBit/s Manchester
– Self-polling logic with ultra fast data rate
– Telemetry Systems
– Electronic Metering
– Home Automation Systems
data filter with tuneable bandwidth
2 peak detectors
–109dBm
Encoded
detection
Package
P-TSSOP-38-1
Version 1.1
2002-11-28
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