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MAX2754EUA-T PDF预览

MAX2754EUA-T

更新时间: 2024-01-12 09:52:32
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
8页 175K
描述
Voltage Controlled Oscillator, 1145MHz Min, 1250MHz Max,

MAX2754EUA-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:5.22Is Samacsys:N
最大控制电压:2.4 V最小控制电压:0.4 V
JESD-609代码:e0调制灵敏度:124 MHz/V
安装特点:SURFACE MOUNT端子数量:8
偏移频率:4000 kHz最大工作频率:1250 MHz
最小工作频率:1145 MHz标称工作频率:1250 MHz
最高工作温度:85 °C最低工作温度:-40 °C
振荡器类型:VOLTAGE CONTROLLED OSCILLATOR输出功率:-5 dBm
封装主体材料:PLASTIC/EPOXY封装等效代码:TSSOP8,.19
相位噪声:-137 dBc/Hz物理尺寸:3.05mm x 3.05mm x 1.1mm
电源:3/5 V认证状态:Not Qualified
子类别:Other Oscillators最大压摆率:20 mA
标称供电电压:3 V表面贴装:YES
端子面层:Tin/Lead (Sn85Pb15)Base Number Matches:1

MAX2754EUA-T 数据手册

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19-2102; Rev 1; 8/03  
1.2GHz VCO with Linear  
Modulation Input  
General Description  
Features  
The MAX2754 self-contained, linear modulation, volt-  
age-controlled oscillator (VCO) is intended for use in  
the 2.4GHz to 2.5GHz ISM band, particularly for FSK  
modulation systems that utilize a direct frequency-mod-  
ulation transmit architecture. This device features a lin-  
ear modulation input in addition to the standard  
frequency tuning input. The frequency tuning range of  
1145MHz to 1250MHz (1/2 LO) also supports an IF up  
to 110MHz with low side LO. The VCO is based on  
Maxim’s proprietary monolithic VCO technology, where  
all VCO components are integrated on-chip, including  
the varactor and inductor.  
o Fully Monolithic VCO Construction with On-Chip  
Inductor and Varactor Tuning Elements  
o Guaranteed 1145MHz to 1250MHz Tuning Range  
to Support 1/2 LO Applications  
o Modulation Linearity Within 4ꢀ  
o Precise Modulation Gain (-500kHz/V)  
o Low Phase Noise (-137dBc/Hz at 4MHz offset)  
o +2.7V to +5.5V Single-Supply Operation  
o Low-Current Shutdown Mode  
The MAX2754 linear modulation input offers a means to  
directly FM modulate the VCO with a constant modula-  
tion sensitivity over the tuning voltage input range.  
Typical frequency deviation is -500kHz/V which is linear  
to 4ꢀ over the guaranteed frequency limits. The tun-  
ing input voltage range is +0.4V to +2.4V and the oscil-  
lator frequency is factory adjusted to provide  
guaranteed limits. The oscillator signal is buffered by  
an output amplifier stage (internally matched to 50) to  
provide higher output power and isolate the oscillator  
from load impedance variations.  
o Miniature 8-Pin µMAX Package  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX2754EUA  
-40°C to +85°C  
8 µMAX  
The MAX2754 operates over a +2.7V to +5.5V supply  
range. This device also provides a digitally controlled  
shutdown mode to permit implementation of sophisti-  
cated power-supply management. In shutdown, the  
supply current is reduced to 0.2µA. Even when active,  
power consumption is a modest 41mW.  
8-pin µMAX  
(3mm 5mm)  
The MAX2754 is packaged in the miniature 8-pin µMAX  
to offer the world’s smallest, complete 2.4GHz direct-  
modulation VCO solution.  
Typical Operating Circuit  
Applications  
HomeRF WLAN  
V
CC  
Bluetooth  
V
VREG  
CC  
REG AND BIAS  
2.4GHz Cordless Phones  
2.4GHz Wireless Data Radios  
330nF  
330nF  
OUT TO  
TUNE  
TUNE  
OSCILLATOR  
CORE  
OUT  
Pin Configuration  
MIXER/  
SYNTHESIZER  
TOP VIEW  
GND1  
GND2  
SHDN  
VREG  
TUNE  
GND1  
MOD  
1
2
3
4
8
7
6
5
V
CC  
OUT  
LINEAR  
MODULATION  
INTERFACE  
MAX2754  
MODULATION  
MOD  
SHDN  
GND2  
SHDN  
VOLTAGE  
SIGNAL  
MAX2754  
µMAX  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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