TRF4400

更新时间： 2024-11-27 22:31:27

品牌	Logo	应用领域
德州仪器 - TI		射频
页数	文件大小	规格书
21页	279K
描述
SINGLE-CHIP 433-MHz RF TRANSMITTER

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TRF4400 数据手册

TRF4400

SINGLE-CHIP 433-MHz RF TRANSMITTER

SLWS113C –NOVEMBER 2000 – REVISED SEPTEMBER 2001

Single-Chip RF Transmitter for 433 MHz

ISM Band

Typical Output Frequency Resolution of

230 Hz

420-MHz to 450-MHz Operation

FM/FSK Operation for Transmit

Ultrafast Lock Times From DDS

Implementation

Two Fully-Programmable Operational

Modes

24-Bit Direct Digital Synthesizer (DDS) With

11-Bit DAC

2.2-V to 3.6-V Operation

On-Chip Voltage-Controlled Oscillator

(VCO) and Phase-Locked Loop (PLL)

Flexible Serial Interface to TI MSP430

Microcontroller

On-Chip Reference Oscillator

Minimal External Components Required

Low Power Consumption

24-Pin Plastic Thin-Shrink Small-Outline

Package (TSSOP)

Typical Output Power of 7 dBm

PW PACKAGE

(TOP VIEW)

PD_OUT1

PLL_VCC

PD_SET

PD_OUT2

LOCKDET

PA_OUT

PA_GND

PA_VCC

GND

DIG_VCC

XOSC2

XOSC1

VCO_TANK1

VCO_TANK2

PLL_GND

DIG_GND

CLOCK

DATA

STROBE

MODE

DIG_GND

TX_DATA

STDBY

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

provideafully-functionalmultichanneltransmitter. Thechipisintendedforlinear(FM)ordigital(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 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 digital

synthesizer(DDS), theDDScanbeusedtoadjusttheTXfrequencyandallowstheuseofinexpensivereference

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 can be specifically enabled or disabled via the serial interface.

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...21

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与TRF4400相关器件

型号	品牌	获取价格	描述	数据表
TRF4400PW	TI	获取价格	Single-Chip RF Transmitter 24-TSSOP -20 to 60
TRF4400PWG4	TI	获取价格	Single-Chip RF Transmitter 24-TSSOP -20 to 60
TRF4400PWR	TI	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO24, GREEN, PLASTIC, TSSOP-24
TRF4400PWRG4	TI	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO24, GREEN, PLASTIC, TSSOP-24
TRF4900	TI	获取价格	SINGLE-CHIP RF TRANSMITTER
TRF4900PW	TI	获取价格	Single-Chip RF Transmitter 24-TSSOP 0 to 70
TRF4900PWG4	TI	获取价格	Single-Chip RF Transmitter 24-TSSOP 0 to 70
TRF4900PWR	TI	获取价格	Single-Chip RF Transmitter 24-TSSOP
TRF4903	TI	获取价格	SINGLE-CHIP MULTIBAND RF TRANSMITTER
TRF4903_13	TI	获取价格	SINGLE-CHIP MULTIBAND RF TRANSMITTER

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