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TRF4400

Features: · Single-Chip RF Transmitter for 433 MHz ISM Band· 420-MHz to 450-MHz Operation· FM/FSK Operation for Transmit· 24-Bit Direct Digital Synthesizer (DDS) With 11-Bit DAC· On-Chip Voltage-Controlled Oscillator (VCO) and Phase-Locked Loop (PLL)· On-Chip Reference Oscillator· Minimal External...

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SeekIC No. : 004528099 Detail

TRF4400: Features: · Single-Chip RF Transmitter for 433 MHz ISM Band· 420-MHz to 450-MHz Operation· FM/FSK Operation for Transmit· 24-Bit Direct Digital Synthesizer (DDS) With 11-Bit DAC· On-Chip Voltage-Con...

TRF4400 Data Sheet

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Part Number:
TRF4400
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

· Single-Chip RF Transmitter for 433 MHz ISM Band
· 420-MHz to 450-MHz Operation
· FM/FSK Operation for Transmit
· 24-Bit Direct Digital Synthesizer (DDS) With 11-Bit DAC
· On-Chip Voltage-Controlled Oscillator (VCO) and Phase-Locked Loop (PLL)
· On-Chip Reference Oscillator
· Minimal External Components Required
· Low Power Consumption
· Typical Output Power of 7 dBm
· Typical Output Frequency Resolution of 230 Hz
· Ultrafast Lock Times From DDS Implementation
· Two Fully-Programmable Operational Modes
· 2.2-V to 3.6-V Operation
· Flexible Serial Interface to TI MSP430 Microcontroller
· 24-Pin Plastic Thin-Shrink Small-Outline Package (TSSOP)


Pinout

Connection Diagram


Specifications

Supply voltage range, PA_VCC, PLL_VCC, DIG_VCC, VCC (see Note 1)  . . . . . . . . . . . . . . . . 0.6 to 4.5 Vdc
Input voltage, VI (logic signals) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  0.6 to 4.5 Vdc
Storage temperature range, Tstg  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
ESD integrity‡   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV HBM


Description

The TRF4400 single-chip solution is an integrated circuit intended for use as a low cost FSK transmitter to establish a frequency-agile RF link. The device is available in a 24-lead TSSOP package and is designed to provide a fully-functional multichannel transmitter. The chip TRF4400 is intended for linear (FM) or digital (FSK) modulated applications in the 433-MHz ISM band. The single-chip transmitter operates down to 2.2 V and is expressly designed for low power consumption. The synthesizer TRF4400 has a typical channel spacing of approximately 230 Hz to allow narrow-band as well as wide-band applications. Due to the narrow channel spacing of the direct digitalM synthesizer (DDS), the DDS can be used to adjust the TX frequency and allows the use of inexpensive reference crystals.

Two fully-programmable operation modes, Mode0 and Mode1, allow extremely fast switching between two preprogrammed settings (e.g., TX_frequency_0/TX_frequency_1)  without reprogramming the device. Each functional block of the transmitter TRF4400 can be specifically enabled or disabled via the serial interface.




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