TDA5221XUMA1 TSSOP-28 RF Receivers chip
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TDA5221XUMA1 TSSOP-28 RF Receivers chip

RF RX ASK/FSK 300-340MHZ 28TSSOP
  • TDA5221XUMA1

  • Infineon Technologies

  • TDA5221

  • ICPlanet

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TYPE
DESCRIPTION
Category
RF/IF and RFID
RF Receivers
Mfr
Infineon Technologies
Series
-
Package
Tape & Reel (TR)
Part Status
Active
Frequency
300MHz ~ 340MHz
Sensitivity
-113dBm
Data Rate (Max)
100kbps
Modulation or Protocol
ASK, FSK
Applications
RKE, Remote Control Systems
Current - Receiving
6.2mA
Data Interface
PCB, Surface Mount
Memory Size
-
Antenna Connector
PCB, Surface Mount
Features
-
Voltage - Supply
4.5V ~ 5.5V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
PG-TSSOP-28

Overview 


The IC is a very low power consumption single chip FSK/ASK Superheterodyne Receiver (SHR) for the frequency band 300 to 340 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a low noise amplifier (LNA), a double balanced mixer, a fully integrated VCO, a PLL synthesiser, a crystal oscillator, a limiter with RSSI generator, a PLL FSK demodulator, a data filter, an advanced data comparator (slicer) with selection between two threshold modes and a peak detector. Additionally there is a power down feature to save current and extend battery life, and two selectable alternatives of generating the data slicer threshold.

Features

• Low supply current (Is = 6.4 mA typ. in FSK mode, Is = 5.6 mA typ. in ASK mode) 

• Supply voltage range 5V ±10% 

• Power down mode with very low supply current (50nA typ.) 

• FSK and ASK demodulation capability 

• Fully integrated VCO and PLL Synthesiser 

• ASK sensitivity better than -110 dBm over specified temperature range (- 40 to +105°C) 

• Selectable frequency ranges 300-320 MHz and 320-340 MHz 

• Switchable between two different frequency channels 

• Limiter with RSSI generation, operating at 10.7MHz 

• 2nd order low pass data filter with external capacitors • Data slicer with selection between two threshold modes  • FSK sensitivity better than -102 dBm over specified temperature range (- 40 to +105°C)

Application 

• Keyless Entry Systems 

• Remote Control Systems 

• Alarm Systems 

• Low Bitrate Communication Systems


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