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MAX2685EEE

更新时间： 2024-11-18 22:55:23
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放大器光电二极管
页数 文件大小 规格书
10页 190K
描述
Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer

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MAX2685EEE 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：SOIC
包装说明：0.150 INCH, 0.025 INCH PITCH, QSOP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：1 week
风险等级：5.09Is Samacsys：N
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：4.89 mm湿度敏感等级：1
功能数量：1端子数量：16
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
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.73 mm标称供电电压：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：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：20
宽度：3.9 mmBase Number Matches：1

MAX2685EEE 数据手册

 浏览型号MAX2685EEE的Datasheet PDF文件第2页浏览型号MAX2685EEE的Datasheet PDF文件第3页浏览型号MAX2685EEE的Datasheet PDF文件第4页浏览型号MAX2685EEE的Datasheet PDF文件第5页浏览型号MAX2685EEE的Datasheet PDF文件第6页浏览型号MAX2685EEE的Datasheet PDF文件第7页 
19-1493; Rev 0; 7/99  
Low-Cost, 900MHz, Low-Noise Amplifier  
and Downconverter Mixer  
MAX2685  
General Description  
Features  
The MAX2685’s low-noise amplifier (LNA) and down-  
converter mixer comprise the major blocks of an RF  
front-end receiver. Optimized for 900MHz operation,  
the device’s low noise figure, high gain, and high linear-  
ity make it ideal for cellular, cordless, and wireless data  
applications. A low supply current of 8.5mA (high-gain  
mode) and 3.8mA (low-gain mode) plus a low operating  
supply voltage range of +2.7V to +5.5V make it suitable  
for use in 3-cell NiCd or 1-cell lithium-ion (Li+) battery  
applications. A low-power shutdown mode further  
extends battery life by reducing supply current below  
0.1µA.  
♦ 800MHz to 1000MHz RF Frequency Range  
♦ +2.7V to +5.5V Single-Supply Operation  
♦ Integrated LNA + Mixer + LO Buffer  
♦ Logic-Controlled LNA Bypass Switch Reduces  
Supply Current  
♦ LNA Performance (High/Low Gain)  
Gain: +15dB/-12dB  
NF: 1.4dB/12dB  
Input IP3: -4dBm/+16dBm  
♦ Mixer Performance (High/Low Gain)  
Gain: 6dB/4.6dB  
The MAX2685 includes an LNA, LNA bypass switch,  
downconverter mixer, and local-oscillator (LO) buffer.  
The LNA has a low noise figure of 1.4dB, a high gain of  
15dB, and an input third-order intercept point (IP3) of  
-4dBm. The mixer has a noise figure of 13dB, a gain of  
6dB, and an input IP3 of +7dBm. In addition, an LNA  
bypass switch allows two levels of gain, reducing  
power consumption when high gain is not needed.  
NF: 13dB/12dB  
Input IP3: +7dBm/-1.5dBm  
♦ Supply Current  
8.5mA (High Gain)  
3.8mA (Low Gain)  
♦ <0.1µA Supply Current in Shutdown Mode  
♦ 0.8µs Receiver Enable Time  
The downconverter mixer has a single-ended RF input  
port and differential IF output ports. Differential opera-  
tion of the IF ports offers improved even-order harmonic  
rejection and increased immunity to noise. An LO buffer  
allows the LO port to be driven with only -8dBm of LO  
power. The MAX2685 is offered in a space-saving 16-  
pin QSOP package.  
Ordering Information  
PART  
TEMP. RANGE  
PIN-PACKAGE  
Applications  
MAX2685EEE  
-40°C to +85°C  
16 QSOP  
Cellular/Cordless Phones  
Wireless Data  
900MHz ISM-Band Radios  
868MHz European ISM Band  
Functional Diagram  
Pin Configuration  
LNAOUT MIXIN  
TOP VIEW  
LNA  
MIXER  
1
16  
GND  
LNAOUT  
IFOUT+  
IFOUT-  
2
15  
LNAIN  
GAIN  
LNAIN  
V
CC  
3
14  
13  
12  
11  
10  
9
GND  
GND  
LNA BYPASS  
4
GAIN  
MIXIN  
GND  
5
V
CC  
MAX2685  
6
7
8
MAX2685  
GND  
SHDN  
LO  
LO  
BUFFER  
V
CC  
POWER  
MANAGEMENT  
IFOUT+  
IFOUT-  
SHDN  
GND  
GND  
QSOP  
LO  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
1234567...10

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