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MAX7044AKA-T PDF预览

MAX7044AKA-T

更新时间: 2024-01-02 18:43:56
品牌 Logo 应用领域
美信 - MAXIM 晶体
页数 文件大小 规格书
9页 301K
描述
300MHz to 450MHz High-Efficiency, Crystal-Based +13dBm ASK Transmitter

MAX7044AKA-T 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOT-23
包装说明:3 X 3 MM, SOT-23, 8 PIN针数:8
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.21JESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSSOP8,.1
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):245电源:2.7 V
认证状态:Not Qualified座面最大高度:1.45 mm
子类别:Other Telecom ICs最大压摆率:0.0257 mA
标称供电电压:2.7 V表面贴装:YES
技术:CMOS电信集成电路类型:TELECOM CIRCUIT
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
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:1.625 mmBase Number Matches:1

MAX7044AKA-T 数据手册

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19-3221; Rev 0; 1/04  
300MHz to 450MHz High-Efficiency,  
Crystal-Based +13dBm ASK Transmitter  
General Description  
Features  
The MAX7044 crystal-referenced phase-locked-loop  
(PLL) VHF/UHF transmitter is designed to transmit  
OOK/ASK data in the 300MHz to 450MHz frequency  
range. The MAX7044 supports data rates up to 100kbps,  
and provides output power up to +13dBm into a 50  
load while only drawing 7.7mA at 2.7V.  
+2.1V to +3.6V Single-Supply Operation  
OOK/ASK Transmit Data Format  
Up to 100kbps Data Rate  
+13dBm Output Power into 50Load  
Low 7.7mA (typ) Operating Supply Current*  
Uses Small, Low-Cost Crystal  
Small 3mm x 3mm 8-Pin SOT23 Package  
Fast-On Oscillator: 250µs Startup Time  
The crystal-based architecture of the MAX7044 elimi-  
nates many of the common problems with SAW-based  
transmitters by providing greater modulation depth,  
faster frequency settling, higher tolerance of the trans-  
mit frequency, and reduced temperature dependence.  
The MAX7044 also features a low supply voltage of  
+2.1V to +3.6V. These improvements enable better  
overall receiver performance when using the MAX7044  
together with a superheterodyne receiver such as the  
MAX1470 or MAX1473.  
* At 50% duty cycle (315MHz, 2.7V supply, +13dBm  
output power)  
A simple, single-input data interface and a buffered  
clock-out signal at 1/16th the crystal frequency make  
the MAX7044 compatible with almost any microcon-  
troller or code-hopping generator.  
The MAX7044 is available in an 8-pin SOT23 package  
and is specified over the -40°C to +125°C automotive  
temperature range.  
Ordering Information  
PIN-  
PART  
TEMP RANGE  
TOP MARK  
PACKAGE  
MAX7044AKA-T -40°C to +125°C 8 SOT23-8  
Applications  
Remote Keyless Entry (RKE)  
Tire-Pressure Monitoring (TPM)  
Security Systems  
AEJW  
Garage Door Openers  
RF Remote Controls  
Wireless Game Consoles  
Wireless Computer Peripherals  
Wireless Sensors  
Typical Application Circuit  
Pin Configuration  
TOP VIEW  
f
XTAL  
3.0V  
3.0V  
1
2
8
7
XTAL2  
XTAL1  
GND  
XTAL1  
GND  
1
2
3
4
8
7
6
5
XTAL2  
220pF  
100nF  
680pF  
100nF  
V
DD  
V
DD  
MAX7044  
MAX7044  
PAGND  
PAOUT  
DATA  
3
4
6
5
DATA INPUT  
ANTENNA  
DATA  
PAGND  
CLKOUT  
CLOCK  
OUTPUT  
CLKOUT  
PAOUT  
(f  
=
CLKOUT  
SOT23  
f
/16)  
XTAL  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

MAX7044AKA-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX7044AKA+T MAXIM

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300MHz to 450MHz High-Efficiency, Crystal-Based +13dBm ASK Transmitter

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