EVALUA
VAILABL
A
19-5670; Rev 0; 12/10
TION KIT
E
GPS/GNSS LNAs with Antenna Switch and Bias
General Description
The MAX2674/MAX2676 are ultra-small, high-IP3, low-
noise amplifiers (LNAs) designed for GPS L1, Galileo,
and GLONASS applications. Designed in Maxim’s
advanced SiGe process, the devices are also equipped
with an autosensing feature for applications that enable
the use of external antennas. These high-performance
LNAs provide high gain and an ultra-low noise figure
while optimizing the input-referred 2dB compression
point and 3rd-order intercept point.
The ultra-small size is ideal for front-end modules and
receiver applications in cellular phones, smartphones,
PDAs, PNDs, or other custom GNSS applications. The
MAX2674/MAX2676 operate from a 1.6V to 3.6V single
supply. The MAX2674 is optimized for high gain, while
the MAX2676 is optimized for high linearity. A shutdown
feature is present in both devices reducing the supply
current to less than 10 F A. The antenna port automati-
cally senses when an external antenna is connected,
eliminating the need for additional control circuitry
while also providing improved short-circuit protection.
The MAX2674/MAX2676 are available in an ultra-small,
RoHS-compliant 0.86mm x 1.26mm x 0.64mm wafer-
level package (WLP).
Features
S Eliminate Discrete Antenna Sensing, Switching,
and Bias Networks
Autodetect Antenna Connection
Provide Antenna Bias
Short-Circuit Protection
S Wide 1.6V to 3.6V Supply Voltage Range
S Ultra-Small Footprint (0.86mm x 1.26mm) WLP
Package
S For Applications Without Antenna Port, Use Pin-
Compatible 4-Bump MAX2686/MAX2687/MAX2688
LNA
Applications
Front-End SAW Modules
Receiver Modules
Cellular and Smartphones
Avionics and Military
Telematics (Asset Tracking and Management)
Personal Navigation Devices (PNDs)
Recreational, Marine Navigation
Ordering Information
PART
MAX2674 EWT+T
MAX2676 EWT+T
TEMP RANGE
-40 N C to +85 N C
-40 N C to +85 N C
PIN-PACKAGE
6 WLP
6 WLP
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Typical Operating Circuit
1.6V TO 3.6V
A1
MAX2674
MAX2676
A2
100pF
RFOUT
10pF
V CC
RFOUT/SHDN
25k I
SHDN
39pF
100pF
88nH
B1
B2
OPTIONAL
OPTIONAL
RFIN
ANT
BIAS
GNDAC
GNDDC
C1
C2
ANT
ACTIVE
ANTENNA
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数
MAX2676EWT+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX2676EWT+T 功能描述:射频放大器 GPS LNA w/antenna Bypass Switch RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel
MAX2676EWT+T10 功能描述:射频放大器 GPS LNA w/antenna Bypass Switch RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel
MAX267ACNG 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX267ACNG+ 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX267ACWG 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX267ACWG+ 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX267ACWG+T 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube