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LMH6523SQ/NOPB PDF预览

LMH6523SQ/NOPB

更新时间： 2024-01-13 22:13:41
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
31页 1227K
描述
High Performance Quad DVGA

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LMH6523SQ/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：54
Reach Compliance Code：compliantHTS代码：8542.39.00.01
Factory Lead Time：12 weeks风险等级：5.16
JESD-30 代码：R-PQCC-N54JESD-609代码：e3
长度：10 mm湿度敏感等级：2
功能数量：1端子数量：54
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：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260座面最大高度：0.8 mm
最大压摆率：485 mA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：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5.5 mmBase Number Matches：1

LMH6523SQ/NOPB 数据手册

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LMH6523  
www.ti.com  
SNOSC88 –DECEMBER 2012  
High Performance Quad DVGA  
Check for Samples: LMH6523  
Each channel of LMH6523 has an independent,  
digitally controlled attenuator and a high linearity,  
differential output, amplifier. All circuitry has been  
optimized for low distortion and maximum system  
design flexibility. Power consumption is managed by  
a three-state enable pin. Individual channels can be  
disabled or placed into a Low Power Mode or a  
higher performance, High Power Mode. The enable  
pin is active in both serial and parallel modes for  
systems that require high speed power control.  
1
FEATURES  
2
•
•
•
•
•
•
•
•
•
•
OIP3: 49dBm at 200MHz  
Noise Figure: 8.5dB  
Voltage Gain: 26dB  
1dB Gain Steps  
Enable Pins Active in SPI Mode  
−3dB Bandwidth of 1400 MHz  
Gain Step Accuracy: 0.2 dB  
Disable Function for Each Channel  
Parallel and Serial Gain Control  
The LMH6523 digitally controlled attenuator provides  
precise 1dB gain steps over a 31dB range. The digital  
attenuator can be controlled by either a SPI™ Serial  
bus or a high speed parallel bus.  
Low Power Mode for Power Management  
Flexibility  
The output amplifier has a differential output, allowing  
large signal swings on a single 5V supply. The low  
impedance output provides maximum flexibility when  
driving a wide range filter designs or analog to digital  
converters. For applications which have very large  
changes in signal level LMH6523 can support up to  
62dB of gain range by cascading channels.  
•
Small Footprint WQFN Package  
APPLICATIONS  
•
•
Cellular Base Stations  
Wideband and Narrowband IF Sampling  
Receivers  
The LMH6523 operates over the industrial  
temperature range of −40°C to 85°C. The LMH6523  
is available in a 54-Pin, thermally enhanced, WQFN  
package.  
•
•
Wideband Direct Conversion  
ADC Driver  
DESCRIPTION  
PERFORMANCE CURVE  
The LMH6523 contains four, high performance,  
digitally controlled variable gain amplifiers (DVGA). It  
has been designed for use in narrowband and  
broadband IF sampling applications. Typically, the  
LMH6523 drives a high performance ADC in a broad  
range of mixed signal and digital communication  
applications such as mobile radio and cellular base  
stations where automatic gain control (AGC) is  
required to increase system dynamic range.  
60  
50  
40  
30  
20  
10  
0
35  
30  
25  
20  
15  
10  
5
f = 200MHz  
V
= 2V  
PPD  
OUT  
@ filter input  
50  
100  
150  
200  
250  
300  
FILTER INPUT RESISTANCE (ꢀ)  
SVA-30206581  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SPI is a trademark of Motorola, Inc.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012, Texas Instruments Incorporated  
 
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