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MAX2451CSE-T PDF预览

MAX2451CSE-T

更新时间: 2024-11-16 13:10:27
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
6页 60K
描述
Demodulator, Quadraphase, 70MHz Min, 160MHz Max

MAX2451CSE-T 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:ObsoleteReach Compliance Code:not_compliant
风险等级:5.68构造:COMPONENT
JESD-609代码:e0调制技术:QUADRAPHASE
最大工作频率:160 MHz最小工作频率:70 MHz
最高工作温度:70 °C最低工作温度:
射频/微波设备类型:DEMODULATOR端子面层:Tin/Lead (Sn85Pb15)
Base Number Matches:1

MAX2451CSE-T 数据手册

 浏览型号MAX2451CSE-T的Datasheet PDF文件第2页浏览型号MAX2451CSE-T的Datasheet PDF文件第3页浏览型号MAX2451CSE-T的Datasheet PDF文件第4页浏览型号MAX2451CSE-T的Datasheet PDF文件第5页浏览型号MAX2451CSE-T的Datasheet PDF文件第6页 
19-0493; Rev 0; 12/95  
3 V, Ult ra -Lo w -P o w e r  
Qu a d ra t u re De m o d u la t o r  
MAX2451  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The monolithic MAX2451 is a quadrature demodulator  
with a supporting oscillator and divide-by-8 prescaler. It  
operates from a single +3V supply and draws only  
5.5mA. The demodulator accepts an amplified and fil-  
tered IF signal in the 35MHz to 80MHz range, and  
demodulates it into I and Q baseband signals with  
51dB of voltage conversion gain. The IF input is termi-  
nated with a 400thin-film resistor for matching to an  
external IF filter. The baseband outputs are fully differ-  
ential and have 1.2Vp-p signal swings.  
Integrated Quadrature Phase Shifters  
On-Chip Oscillator (Requires External Tuning  
Circuit)  
51dB Voltage Conversion Gain  
On-Chip Divide-by-8 Prescaler  
Baseband Output Bandwidth Up to 9MHz  
CMOS-Compatible Enable  
Pulling the CMOS-compatible ENABLE pin low shuts  
down the MAX2451 and reduces the supply current to  
less than 2µA, typical. To minimize spurious feedback,  
the MAX2451s internal oscillator is set at twice the IF  
fre q ue nc y via e xte rna l tuning c omp one nts . The  
MAX2451 comes in a 16-pin narrow SO package.  
5.5mA Operating Supply Current  
2µA Shutdown Supply Current  
______________Ord e rin g In fo rm a t io n  
________________________Ap p lic a t io n s  
Digital Cordless Phones  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX2451CSE  
0°C to +70°C  
16 Narrow SO  
GSM and North American Cellular Phones  
Wireless LANs  
Digital Communications  
Pagers  
________________Fu n c t io n a l Dia g ra m  
14  
I
13  
__________________P in Co n fig u ra t io n  
I
DEMODULATOR  
1
IF  
BIAS  
12  
11  
TOP VIEW  
Q
Q
400  
IF  
GND  
1
2
3
4
5
6
7
8
GND  
16  
15  
14  
13  
12  
0°  
6
7
8
V
CC  
÷ 2  
÷ 4  
LO_V  
PRE_OUT  
CC  
PRESCALER  
TANK  
QUADRATURE  
PHASE  
GENERATOR  
GND  
I
9
TANK  
N.C.  
MAX2451  
I
10  
90°  
÷ 2  
LOCAL  
LO_GND  
MAX2451  
ENABLE  
PRE_OUT  
Q
OSCILLATOR  
15  
11  
10  
9
Q
V
CC  
MASTER BIAS  
LO_V  
CC  
LO_GND  
TANK  
BANDGAP  
BIAS  
TANK  
2, 3, 16  
GND  
5
SO  
ENABLE  
________________________________________________________________ Maxim Integrated Products  
1
Call toll free 1-800-998-8800, or visit our WWW site at http://www.maxim-ic.com  
for free samples or the latest literature.  

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