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MAX2452ISE+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
8页 66K
描述
Modulator, Quadraphase, 70MHz Min, 160MHz Max

MAX2452ISE+T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ObsoleteReach Compliance Code:compliant
风险等级:5.63构造:COMPONENT
JESD-609代码:e3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:85 °C最低工作温度:-20 °C
射频/微波设备类型:MODULATOR端子面层:Tin (Sn)
Base Number Matches:1

MAX2452ISE+T 数据手册

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19-0425; Rev 1; 9/95  
3 V, Ult ra -Lo w -P o w e r  
Qu a d ra t u re Mo d u la t o r  
MAX452  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
IF Output Frequency up to 80MHz  
Input Bandwidth up to 15MHz  
The monolithic MAX2452 is a quadrature modulator  
with supporting oscillator and divide-by-8 prescaler. It  
operates from a single +3V supply and draws only  
4.1mA. The mod ula tor a c c e p ts d iffe re ntia l I a nd Q  
baseband signals with amplitudes up to 1.35Vp-p and  
bandwidths up to 15MHz. It produces a differential out-  
put up to 80MHz.  
On-Chip Oscillator with External Tuning Circuit  
On-Chip Divide-by-8 Prescaler  
Integrated Quadrature Phase Shifters  
Self-Biased Differential Baseband Inputs  
CMOS-Compatible Enable  
Pulling the CMOS-compatible ENABLE pin low reduces  
the supply current to 2µA. To minimize spurious feed-  
back, the MAX2452s internal oscillator is set at twice  
the IF via external tuning components. The oscillator  
and associated phase shifters produce differential sig-  
nals exhibiting low amplitude and phase imbalance,  
yielding 42dB sideband rejection. The MAX2452 comes  
in a 16-pin narrow SO package.  
4.1mA 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  
MAX2452ISE*  
-20°C to +85°C  
16 Narrow SO  
GSM and North American Cellular Phones  
Wireless LANs  
* An alternate marking, MAX2452CSE, has been identically tested.  
Digital Communications  
Two-Way Pagers  
________________Fu n c t io n a l Dia g ra m  
__________________P in Co n fig u ra t io n  
PRESCALER  
11  
12  
0°  
÷2  
÷4  
LO_V  
PRE_OUT  
CC  
8
9
QUADRATURE  
PHASE  
GENERATOR  
TOP VIEW  
TANK  
LOCAL  
TANK  
OSCILLATOR  
10  
90°  
LO_GND  
÷2  
IF  
IF  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
3
4
GND  
I
I
GND  
16  
1
I
V
CC  
IF  
IF  
MODULATOR  
Σ
I
Q
N.C.  
MAX2452  
5
6
Q
Q
PRE_OUT  
Q
LO_V  
CC  
14  
MASTER BIAS  
V
CC  
ENABLE  
TANK  
LO_GND  
TANK  
BANDGAP  
BIAS  
MAX2452  
SO  
2, 15  
GND  
7
ENABLE  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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