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| 型号： | MAX12000ETB+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC AMP GPS FRONT 1575MHZ 10TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 1.575GHz |
| 增益： | 15dB ~ 18.5dB |
| 噪音数据： | 1dB ~ 1.3dB |
| RF 型： | GPS |
| 电源电压： | 3 V ~ 5 V |
| 电流 - 电源： | 15mA ~ 30.2mA |
| 测试频率： | 1.575GHz |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
19-4021; Rev 0; 3/06
ATION
AILABL
EVALU E
AV
KIT
1575MHz GPS Front-End Amplifier
General Description
The MAX12000 GPS front-end amplifier IC is designed
for automotive and marine GPS satellite navigation
antenna modules or for any application that needs to
compensate for cable losses from the GPS antenna to
receiver. Two unconditionally stable low-noise amplifier
stages provide the high gain and integrated I/O match-
ing to minimize the need for external matching compo-
nents and eliminate the need for additional gain stages.
The MAX12000 features the option to place a bandpass
ceramic or SAW filter between the two amplifier stages
to provide a narrow-band output to further improve the
noise performance of the GPS receiver. Additionally, a
3.4dB gain step is provided to compensate for cable
loss variation between different applications.
The MAX12000 is designed to operate at the GPS fre-
quency of 1575MHz with a 34.8dB typical cascaded
gain and a 25mA supply current. The two LNA stages
allow the use of a wide range of GPS filter types for
maximum flexibility in system design. The final RF out-
put pin, which drives the cable to the GPS receiver, is
also the power-supply connection that accepts a DC
Features
? First Amp Noise Figure * : 1.0dB
? High Gain ** : 34.8dB
? 3.4dB Gain Step
? Integrated 50 ? Output Matching
? 3.0V to 5.5V Supply Voltage Range
? Small, Low-Cost Package (3mm x 3mm)
? ESD Protected to ±1kV Human Body Model
* Without external input impedance match.
** First amplifier input is impedance matched (S 11 = -10dB).
Second amplifier set to high gain. Amplifiers cascaded without
interstage filter.
Ordering Information
supply in the +3.0V to +5.5V range. Alternatively, the
DC supply can be applied to pin 4.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
The GPS front-end amplifier is designed on a low-noise,
advanced SiGe process and is available in a lead-free,
MAX12000ETB+ -40°C to +85°C
+ Denotes lead-free package.
10 TDFN
T1033-2
10-pin TDFN surface-mount package (3mm x 3mm).
Applications
Typical Operating Circuit appears at end of data sheet.
Integrated Automotive and Marine GPS
Receivers
Pin Configuration/Functional Diagram
TOP VIEW
+
RFIN2
1
MAX12000
10 RFOUT1
GND
2
9
GND
GND
3
AMP 2
8
GND
AMP 1
EXTCAP/ALT_V CC
4
7
GAIN_SELECT
RFOUT2/V CC
5
DC
GENERATION
6
RFIN1
TDFN
________________________________________________________________ Maxim Integrated Products
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.
1
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相关代理商/技术参数 |
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| MAX12001ETB | 制造商:Maxim Integrated Products 功能描述: |
| MAX12001ETB+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX12001ETB+T | 功能描述:射频放大器 1575MHz GPS LNA 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 |
| MAX12005ETM+ | 功能描述:RF 开关 IC Satellite IF Switch RoHS:否 制造商:M/A-COM Technology Solutions 开关数量:Single 开关配置:SPDT 介入损耗:0.6 dB 截止隔离（典型值）:43 dB 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:PQFN-16 封装:Reel |
| MAX12005ETM+CF7 | 制造商:Maxim Integrated Products 功能描述:SATELLITE IF SWITCH - Rail/Tube |
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