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参数资料
| 型号： | MAX2669EWT+T10 |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/9页 |
| 文件大小： | 0K |
| 描述： | IC AMP LNA GPS/GNSS 6-WLP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 10,000 |
| 频率： | 1575.42MHz |
| P1dB： | -10dBm（0.1mW） |
| 增益： | 17.7dB |
| 噪音数据： | 0.65dB |
| RF 型： | GPS/GNSS |
| 电源电压： | 1.6 V ~ 3.3 V |
| 电流 - 电源： | 7.7mA |
| 测试频率： | 1575.42MHz |
| 封装/外壳： | 6-WFBGA，WLPBGA |
| 包装： | 带卷 (TR) |
MAX2667/MAX2669
GPS/GNSS Ultra-Low-Noise-Figure LNAs
Bump Configuration
TOP VIEW
BUMP SIDE DOWN
MAX2667/MAX2669
+
1
2
A
B
C
BIAS
RFIN
GNDAC
WLP
R FOUT /
SHDN
V CC
GNDDC
Bump Description
BUMP
A1
A2
B1
B2
C1
C2
NAME
BIAS
RFOUT/ SHDN
RFIN
V CC
GNDAC
GNDDC
FUNCTION
Provides Bias for LNA Input. Connect to B1 (RFIN) through a high-value inductor (100nH),
and bypass to ground close to the pin.
RF Output and SHDN Logic Input. RFOUT is internally matched to 50 I and has an internal
DC-blocking capacitor. The SHDN logic requires an external 25k ? resistor to the logic
control.
RF Input. Connect to A1 through bias choke, and connect matching network and
DC-blocking capacitor.
Supply Voltage. Bypass to ground with a capacitor close to the IC.
Ground of the RF Path. Connect to the 2nd-layer PCB ground plane with a via next to the
pin pad.
Ground of Bias Circuit. Connect to the 2nd-layer PCB ground plane with a separate via
from pin C1. Sharing a ground via with pin C1 might cause stability problems.
Detailed Description
The MAX2667/MAX2669 are LNAs designed for GPS
L1, Galileo, and GLONASS applications. The devices
feature a power-shutdown control mode to eliminate the
need for an external supply switch. The devices achieve
a high gain and an ultra-low noise figure.
Input and Output Matching
The devices require an off-chip input matching. Only
an inductor in series with a DC-blocking capacitor is
6
needed to form the input matching circuit. The Typical
Application Circuit shows the recommended input-
matching network. These values are optimized for the
best simultaneous gain, noise figure, and return loss
performance. Tables 1 and 2 list typical device S param-
eters and K f values. The devices integrate an on-chip
output matching to 50Ω at the output, eliminating the
need for external matching components. The value of the
input coupling capacitor affects IIP3. A smaller coupling
capacitor results in lower IIP3.
Maxim Integrated
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相关代理商/技术参数 |
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| MAX266ACPI+ | 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 |
| MAX266ACWI | 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 |
| MAX266ACWI+ | 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 |
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