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MAX2421EAI

更新时间： 2024-11-14 22:36:23
品牌 Logo 应用领域
美信 - MAXIM 电信集成电路蜂窝电话电路电信电路光电二极管
页数 文件大小 规格书
14页 243K
描述
900MHz Image-Reject Transceivers

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中文翻译

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MAX2421EAI 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SSOP包装说明：5.30 MM, MO-150, SSOP-28
针数：28Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.7
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
长度：10.2 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP28,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：240
电源：3.3 V认证状态：Not Qualified
座面最大高度：1.99 mm子类别：Other Telecom ICs
标称供电电压：3.3 V表面贴装：YES
电信集成电路类型：RF AND BASEBAND CIRCUIT温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)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：20宽度：5.29 mm
Base Number Matches：1

MAX2421EAI 数据手册

 浏览型号MAX2421EAI的Datasheet PDF文件第2页浏览型号MAX2421EAI的Datasheet PDF文件第3页浏览型号MAX2421EAI的Datasheet PDF文件第4页浏览型号MAX2421EAI的Datasheet PDF文件第5页浏览型号MAX2421EAI的Datasheet PDF文件第6页浏览型号MAX2421EAI的Datasheet PDF文件第7页 
19-1234; Rev 5; 8/03  
900MHz Image-Reject Transceivers  
General Description  
Features  
ꢀ Receive/Transmit Mixers with 35dB Image Rejection  
ꢀ Adjustable-Gain LNA  
The MAX2420/MAX2421/MAX2422/MAX2460/MAX2463  
are highly integrated front-end ICs that provide the lowest  
cost solution for cordless phones and ISM-band radios  
operating in the 900MHz band. All devices incorporate  
transmit and receive image-reject mixers to reduce filter  
cost. They operate with a +2.7V to +4.8V power supply,  
allowing direct connection to a three-cell battery stack.  
ꢀ Up to +2dBm Combined Receiver Input IP3  
ꢀ 4dB Combined Receiver Noise Figure  
ꢀ >35dB of Transmit Power Control Range  
ꢀ PA Predriver Provides up to +2dBm  
The receive path incorporates an adjustable-gain LNA  
and an image-reject downconverter with 35dB image  
suppression. These features yield excellent combined  
downconverter noise figure (4dB) and high linearity with  
an input third-order intercept point (IP3) of up to +2dBm.  
ꢀ Low Current Consumption: 23mA Receive  
26mA Transmit  
9.5mA Oscillator  
ꢀ 0.5µA Shutdown Mode  
The transmitter consists of a variable-gain IF amplifier  
with more than 35dB control range, an image-reject  
upconverter with 35dB image rejection, and a power-  
amplifier (PA) predriver that produces up to +2dBm (in  
some applications serving as the final power stage).  
ꢀ Operates from Single +2.7V to +4.8V Supply  
_______________Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
All devices include an on-chip local oscillator (LO),  
requiring only an external varactor-tuned LC tank for  
operation. The integrated divide-by-64/65 dual-modulus  
prescaler can also be set to a direct mode, in which it  
acts as an LO buffer amplifier. Four separate power-  
down inputs can be used for system power manage-  
ment, including a 0.5µA shutdown mode. These parts  
are compatible with commonly used modulation  
schemes such as FSK, BPSK, and QPSK, as well as fre-  
quency hopping and direct sequence spread-spectrum  
systems. All devices come in a 28-pin SSOP package.  
MAX2420EAI  
MAX2421EAI  
MAX2422EAI  
MAX2460EAI  
MAX2463EAI  
28 SSOP  
28 SSOP  
28 SSOP  
28 SSOP  
28 SSOP  
Functional Diagram appears on last page.  
___________________Pin Configuration  
For applications using direct VCO or BPSK transmit mod-  
ulation, as well as receive image rejection, consult the  
MAX2424/MAX2426 data sheet. For receive-only devices,  
refer to the MAX2440/MAX2441/MAX2442 data sheet.  
TOP VIEW  
V
28  
27  
26  
25  
24  
23  
22  
21  
GND  
GND  
GND  
CC  
1
2
3
4
5
6
7
8
9
CAP1  
RXOUT  
TXGAIN  
RXIN  
________________________Applications  
TANK  
TANK  
Cordless Phones  
Spread-Spectrum Communications  
Wireless Telemetry Two-Way Paging  
Wireless Networks  
MAX2420  
MAX2421  
MAX2422  
MAX2460  
MAX2463  
V
V
CC  
CC  
V
GND  
GND  
CC  
PREOUT  
______________________Selector Guide  
20 PREGND  
19  
TXOUT  
IF FREQ  
(MHz)  
INJECTION  
TYPE  
LO FREQ  
(MHz)  
PART  
MOD  
18 DIV1  
LNAGAIN 10  
V
CC  
11  
12  
13  
14  
MAX2420  
MAX2421  
MAX2422  
MAX2460  
MAX2463  
10.7  
46  
High side  
High side  
High side  
Low side  
Low side  
f
+ 10.7  
RF  
VCOON  
17  
16  
15  
TXIN  
N.C.  
f
f
+ 46  
+ 70  
RF  
RXON  
TXON  
70  
RF  
CAP2  
10.7  
110  
f
- 10.7  
- 110  
RF  
SSOP  
f
RF  
________________________________________________________________ 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.  
1234567...14

中文翻译

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MAX2422EAI MAXIM

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MAX2422EAI+ ROCHESTER

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MAX2424 MAXIM

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