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MAX2690

更新时间： 2024-11-24 14:58:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
10页 99K
描述
低噪声、2.5GHz下变频混频器

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中文翻译

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MAX2690 数据手册

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19-1282; Rev 0; 10/97  
Lo w -No is e , 2 .5 GHz  
Do w n c o n ve rt e r Mix e r  
MAX2690  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ 7.6dBm Input Third-Order Intercept Point  
♦ 10dB Downconverter Mixer Noise Figure  
♦ 7.9dB Gain  
The MAX2690 is a minia ture , low-nois e , low-p owe r  
downconverter mixer designed for use in portable con-  
s ume r e q uip me nt. Sig na ls a t the RF inp ut p ort a re  
mixed with signals at the local-oscillator (LO) port using  
a double-balanced mixer. The RF port frequency range  
is 400MHz to 2500MHz. The LO port frequency range is  
700MHz to 2500MHz. The IF frequency range is 10MHz  
to 500MHz, provided the LO and RF frequencies are  
chosen appropriately.  
♦ 400MHz to 2500MHz Wideband Operation  
♦ Low Cost  
♦ +2.7V to +5.5V Single-Supply Operation  
♦ <1µA Shutdown Mode  
The IF port is differential, which provides good linearity  
and low LO emissions, as well as providing compatibili-  
ty with applications using differential IF filters, such as  
CDMA cellular phones. The mixer noise figure is 10dB  
at 900MHz.  
♦ Ultra-Small 10-Pin µMAX Package  
The MAX2690 draws 16mA at V  
= 3V and operates  
CC  
from a +2.7V to +5.5V supply. A logic-controlled shut-  
down mode reduces the supply current to less than 1µA,  
making it ideal for battery-operated equipment. This  
device is offered in a miniature 10-pin µMAX package.  
______________Ord e rin g In fo rm a t io n  
________________________Ap p lic a t io n s  
2.45GHz Industrial-Scientific-Medical (ISM)  
Band Radios  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX2690EUB  
-40°C to +85°C  
10 µMAX  
Wireless Local Area Networks (WLANs)  
Personal Communications Systems (PCS)  
Code-Division Multiple Access (CDMA)  
Communications Systems  
Typical Operating Circuit appears at end of data sheet.  
Cellular and Cordless Phones  
Hand-Held Radios  
__________________P in Co n fig u ra t io n  
________________Fu n c t io n a l Dia g ra m  
TOP VIEW  
TOP VIEW  
MAX2690  
BIAS  
LGND  
GND  
1
2
3
4
5
10 SHDN  
LGND  
GND  
1
2
3
4
5
10 SHDN  
9
8
7
6
IFOUT+  
IFOUT-  
GNDLO  
LO  
9
8
7
6
IFOUT+  
IFOUT-  
GNDLO  
LO  
MAX2690  
RFIN  
RFIN  
RFBYP  
RFBYP  
V
CC  
V
CC  
µMAX  
µMAX  
________________________________________________________________ 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 408-737-7600 ext. 3468.  
1234567...10

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