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TDA5250 数据表(PDF) 3 Page - Infineon Technologies AG

部件名 TDA5250
功能描述  ASK/FSK 868MHz Wireless Transceiver
Download  97 Pages
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制造商  INFINEON [Infineon Technologies AG]
网页  http://www.infineon.com
标志 INFINEON - Infineon Technologies AG

TDA5250 数据表(HTML) 3 Page - Infineon Technologies AG

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Product Info
Product Info
Wireless Components
confidential
Specification, July 2002
Package
TDA 5250 D2
preliminary
Product Info
General Description
The IC is a low power consumption
single chip FSK/ASK Transceiver for
half duplex low datarate communica-
tion in the 868-870MHz band. The IC
offers a very high level of integration
and needs only a few external compo-
nents. 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 genera-
tion, an FSK demodulator, a fully inte-
grated 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
I Low supply current (Is = 9mA typ.
receive, Is = 12mA typ. transmit
mode)
I Supply voltage range 2.1 - 5.5V
I Power down mode with very low
supply current consumption
I FSK and ASK modulation and
demodulation capability
I Fully integrated VCO and PLL
synthesizer and loop filter on-chip
with on chip crystal oscillator tuning
I I2C/3-wire µController Interface
I On-chip low pass channel select fil-
ter and data filter with tuneable
bandwidth
I Data slicer with self-adjusting
threshold and 2 peak detectors
I FSK sensitivity <-109dBm, ASK
sensitivity < –109dBm
I Transmit power up to +13dBm
I Datarates up to 64kBit/s
I Self-polling logic with ultra fast data
rate detection
Applications
I Low Bitrate Communication
Systems
I Keyless Entry Systems
I Remote Control Systems
I Alarm Systems
I Telemetry Systems
I Electronic Metering
I Home Automation Systems
Ordering Information
Type
Ordering Code
Package
TDA 5250
P-TSSOP-38-1


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