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LT5525 PDF预览

LT5525

更新时间： 2024-01-30 23:48:18
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 222K
描述
400MHz to 3.7GHz High Signal Level Downconverting Mixer

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中文翻译

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LT5525 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN,
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.07Is Samacsys：N
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：250认证状态：Not Qualified
座面最大高度：0.8 mm标称供电电压：5 V
表面贴装：YES电信集成电路类型：RF AND BASEBAND CIRCUIT
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

LT5525 数据手册

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LT5527  
400MHz to 3.7GHz  
High Signal Level  
Downconverting Mixer  
U
FEATURES  
DESCRIPTIO  
The LT®5527 active mixer is optimized for high linearity,  
wide dynamic range downconverter applications. The IC  
includes a high speed differential LO buffer amplifier  
driving a double-balanced mixer. Broadband, integrated  
transformers on the RF and LO inputs provide single-  
ended 50Ω interfaces. The differential IF output allows  
convenient interfacing to differential IF filters and amplifi-  
ers, or is easily matched to drive 50Ω single-ended, with  
or without an external transformer.  
■
50  
Ω
Single-Ended RF and LO Ports  
■
■
Wide RF Frequency Range: 400MHz to 3.7GHz*  
High Input IP3: 24.5dBm at 900MHz  
23.5dBm at 1900MHz  
■
Conversion Gain: 3.2dB at 900MHz  
2.3dB at 1900MHz  
Integrated LO Buffer: Low LO Drive Level  
High LO-RF and LO-IF Isolation  
Low Noise Figure: 11.6dB at 900MHz  
12.5dB at 1900MHz  
Very Few External Components  
Enable Function  
4.5V to 5.25V Supply Voltage Range  
■
■
■
The RF input is internally matched to 50Ω from 1.7GHz to  
3GHz, and the LO input is internally matched to 50Ω from  
1.2GHz to 5GHz. The frequency range of both ports is  
easily extended with simple external matching. The IF  
output is partially matched and usable for IF frequencies  
up to 600MHz.  
■
■
■
■
16-Lead (4mm ×U4mm) QFN Package  
APPLICATIO S  
The LT5527’s high level of integration minimizes the total  
solution cost, board space and system-level variation.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Operation over a wider frequency range is possible with reduced performance. Consult factory for  
information and assistance.  
■
Cellular, WCDMA, TD-SCDMA and UMTS  
Infrastructure  
■
GSM900/GSM1800/GSM1900 Infrastructure  
■
900MHz/2.4GHz/3.5GHz WLAN  
■
MMDS, WiMAX  
■
High Linearity Downmixer Applications  
U
TYPICAL APPLICATIO  
High Signal Level Downmixer for Multi-Carrier Wireless Infrastructure  
1.9GHz Conversion Gain, IIP3, SSB NF and  
LO-RF Leakage vs LO Power  
LO INPUT  
–3dBm (TYP)  
24  
22  
20  
18  
16  
14  
12  
10  
8
–20  
–25  
–30  
–35  
–40  
–45  
–50  
–55  
–60  
–65  
–70  
–75  
IIP3  
LT5527  
IF = 240MHz  
LOW SIDE LO  
T
= 25°C  
A
CC  
4.7pF  
V
= 5V  
+
–
100nH  
IF  
IF  
SSB NF  
1nF  
IF  
220nH  
100nH  
OUTPUT  
240MHz  
LO-RF  
4.7pF  
RF  
RF  
INPUT  
6
4
G
C
BIAS  
EN  
2
–9  
–7  
–5  
–3  
–1  
1
3
V
V
CC1  
GND  
CC2  
LO POWER (dBm)  
5V  
5527 TA01b  
1nF  
1µF  
5527 TA01a  
5527f  
1
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中文翻译

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