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MAX2721EUP

更新时间： 2024-11-17 22:35:27
品牌 Logo 应用领域
美信 - MAXIM 驱动器射频和微波射频上变频器射频下变频器微波上变频器微波下变频器
页数 文件大小 规格书
24页 318K
描述
1.7GHz to 2.5GHz, Direct I/Q Modulator with VGA and PA Driver

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MAX2721EUP 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Obsolete包装说明：TSSOP-20
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.92
Is Samacsys：N特性阻抗：50 Ω
构造：COMPONENT最大中频频率：2500 MHz
最小中频频率：1050 MHzJESD-609代码：e0
LO 可调谐：YES最高工作温度：85 °C
最低工作温度：-40 °C最大输出功率：-2.5 dBm
RF输出最大频率：2500 MHzRF输出频率-最小值：2100 MHz
射频/微波设备类型：UP CONVERTER端子面层：Tin/Lead (Sn85Pb15)
最大电压驻波比：2Base Number Matches：1

MAX2721EUP 数据手册

 浏览型号MAX2721EUP的Datasheet PDF文件第2页浏览型号MAX2721EUP的Datasheet PDF文件第3页浏览型号MAX2721EUP的Datasheet PDF文件第4页浏览型号MAX2721EUP的Datasheet PDF文件第5页浏览型号MAX2721EUP的Datasheet PDF文件第6页浏览型号MAX2721EUP的Datasheet PDF文件第7页 
19-1606; Rev 0; 1/00  
1.7GHz to 2.5GHz, Direct I/Q Modulator with  
VGA and PA Driver  
General Description  
Features  
The MAX2720/MAX2721 are low-cost, high-performance,  
direct I/Q modulators designed for use in wideband-  
CDMA and wireless local-loop (WLL) systems. Their  
direct-upconversion architecture reduces system cost,  
component count, and board space compared to  
devices with dual-conversion architectures.  
ꢀ RF Frequency Range  
1.7GHz to 2.1GHz (MAX2720)  
2.1GHz to 2.5GHz (MAX2721)  
ꢀ Integrated I/Q Modulator, LO Doubler, VGA, and  
PA Driver  
The MAX2720/MAX2721 include an I/Q modulator, a  
variable gain amplifier (VGA), and a power amplifier  
(PA) driver. The quadrature modulator accepts differential  
baseband I/Q signals and directly modulates an RF  
carrier in the 1.7GHz to 2.1GHz range (MAX2720) or  
the 2.1GHz to 2.5GHz range (MAX2721). The VGA pro-  
vides 35dB of output power control. The modulator’s  
amplitude and phase balance yield 35dBc of sideband  
suppression and 30dBc of carrier suppression. These  
devices feature an LO frequency doubler that allows  
the external LO source to operate at half-frequency or  
full-frequency when disabled.  
ꢀ 35dB VGA Gain Control Range  
ꢀ 35dBc Sideband Suppression  
ꢀ 30dBc Carrier Suppression  
ꢀ Low Supply Current  
77mA (MAX2720), 86mA (MAX2721)  
20mA Reduction with PA Driver Disabled  
ꢀ 0.1µA Supply Current in Shutdown Mode  
ꢀ +2.7V to +3.3V Single-Supply Operation  
The MAX2720/MAX2721 operate from a single +2.7V to  
+3.3V supply and require only 77mA (MAX2720) or  
86mA (MAX2721) of supply current. An additional  
20mA of supply current is saved by disabling the  
stand-alone PA driver. A low-power shutdown mode  
further reduces supply current to less than 0.1µA. The  
device is packaged in the small 20-pin TSSOP-EP with  
exposed paddle to improve RF performance.  
Ordering Information  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
20 TSSOP-EP*  
20 TSSOP-EP*  
MAX2720EUP  
MAX2721EUP  
*Exposed paddle.  
Applications  
Functional Diagram  
Wireless Local Loop (WLL)  
Wideband CDMA Systems  
LMDS/MMDS  
MAX2720/MAX2721  
GND  
DROUT  
SHDN  
1
2
3
4
5
20 DRIN  
19 GND  
18 PC  
PA DRIVER  
VGA  
2.4GHz Broadband ISM Radios  
DCS/PCS Base Stations  
V
CC  
17 MODOUT  
Σ
GND  
16  
15  
ENX2  
90°  
V
6
7
8
9
V
CC  
CC  
I-  
0°  
14 Q-  
13 Q+  
I+  
Pin Configuration appears at end of data sheet.  
V
CC  
12  
V
CC  
BIAS  
x2  
GND 10  
11 LO  
LO DOUBLER  
________________________________________________________________ Maxim Integrated Products  
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
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