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TRF4900PW PDF预览

TRF4900PW

更新时间： 2024-02-06 08:51:26
品牌 Logo 应用领域
德州仪器 - TI 电信集成电路蜂窝电话电路电信电路射频光电二极管
页数 文件大小 规格书
23页 310K
描述
Single-Chip RF Transmitter 24-TSSOP 0 to 70

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TRF4900PW 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP, TSSOP24,.25针数：24
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.83JESD-30 代码：R-PDSO-G24
长度：7.8 mm功能数量：1
端子数量：24最高工作温度：60 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP24,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：3 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Other Telecom ICs最大压摆率：0.075 mA
标称供电电压：3 V表面贴装：YES
技术：CMOS电信集成电路类型：RF AND BASEBAND CIRCUIT
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

TRF4900PW 数据手册

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TRF4900  
SINGLE-CHIP RF TRANSMITTER  
SLWS092F – JULY 2000 – REVISED JANUARY 2002  
Single-Chip RF Transmitter for 868-MHz  
and 915-MHz ISM Bands  
Typical Output Frequency Resolution of  
230 Hz  
850-MHz to 950-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)  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
PD_OUT1  
PLL_VCC  
PD_SET  
PD_OUT2  
LOCKDET  
PA_OUT  
PA_GND  
PA_VCC  
GND  
DIG_VCC  
XOSC2  
XOSC1  
2
3
4
VCO_TANK1  
VCO_TANK2  
PLL_GND  
DIG_GND  
CLOCK  
5
6
7
8
9
DATA  
STROBE  
MODE  
10  
11  
12  
DIG_GND  
TX_DATA  
NC  
STDBY  
description  
The TRF4900 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 new 868-MHz European band and the North American 915-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), 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 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.  
Copyright 2002, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...23

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