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LMH6515SQX PDF预览

LMH6515SQX

更新时间： 2024-09-16 03:04:35
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
18页 527K
描述
600 MHz, Digital Controlled, Variable Gain Amplifier

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中文翻译

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LMH6515SQX 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：QLCC包装说明：4 X 4 MM, LLP-16
针数：16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.61放大器类型：OPERATIONAL AMPLIFIER
标称共模抑制比：85 dBJESD-30 代码：S-XQCC-N16
JESD-609代码：e0长度：4 mm
湿度敏感等级：2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：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC16,.16SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Operational Amplifier
最大压摆率：134 mA供电电压上限：5.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：4 mmBase Number Matches：1

LMH6515SQX 数据手册

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October 2007  
LMH6515  
600 MHz, Digital Controlled, Variable Gain Amplifier  
General Description  
Features  
The LMH6515 is a high performance, digitally controlled vari-  
able gain amplifier (DVGA). It combines precision gain control  
with a low noise, ultra-linear, differential amplifier. Typically,  
the LMH6515 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 auto-  
matic gain control (AGC) is required to increase system dy-  
namic range. When used in conjunction with a high speed  
ADC, system dynamic range can be extended by up to 32 dB.  
Adjustable gain with a 31 dB range  
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Precise 1 dB gain steps  
Parallel 5-bit gain control  
On chip register stores gain setting  
Fully differential signal path  
Single ended to differential capable  
200Ω input impedance  
Small footprint (4 mm x 4 mm) LLP package  
The LMH6515 has a differential input and output allowing  
large signal swings on a single 5V supply. It is designed to  
accept signals from RF elements and maintain a terminated  
impedance environment. The input impedance is 200Ω re-  
sistive. The output impedance is either 200Ω or 400Ω and is  
user selectable. A unique internal architecture allows use with  
both single ended and differential input signals.  
Key Specifications  
600 MHz bandwidth @ 100Ω load  
40 dBm OIP3 @ 75 MHz, 200Ω load  
20 dB to 30 dB maximum gain  
Selectable output impedance of 200Ω or 400Ω  
8.3 dB noise figure  
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Input signals to the LMH6515 are scaled by a highly linear,  
digitally controlled attenuator with 31 accurate 1 dB steps.  
The attenuator output provides the input signal for a high gain,  
ultra linear differential transconductor. The transconductor  
differential output current can be converted into a voltage by  
using the on-chip 200Ω or 400Ω loads. The transconductance  
gain is 0.1 Amp/Volt resulting in a maximum voltage gain of  
+26 dB when driving a 200Ω load, or 32 dB when driving the  
400Ω load. On chip digital latches are provided for local stor-  
age of the gain setting. The gain step settling time is 5 ns and  
care has been taken to reduce the sensitivity of bandwidth  
and phase to gain setting.  
5 ns gain step switching time  
100 mA supply current  
Applications  
Cellular base stations  
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IF sampling receivers  
Instrumentation  
Modems  
Imaging  
The LMH6515 operates over the industrial temperature range  
of −40°C to +85°C. The LMH6515 is available in a 16-Pin,  
thermally enhanced, LLP package.  
Differential line receiver  
Typical Application  
20214301  
LMH™ is a trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
202143  
www.national.com  
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 		Multi Standard, IF and Baseband, Dual, DVGA
LMH6517SQE/NOPB TI

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 		具有数字控制增益的低功耗、低噪声 IF 和基带双路 16 位 ADC 驱动器 | RTV
LMH6517SQX NSC

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 		Multi Standard, IF and Baseband, Dual, DVGA
LMH6517SQX/NOPB TI

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 		具有数字控制增益的低功耗、低噪声 IF 和基带双路 16 位 ADC 驱动器 | RTV
LMH6518 TI

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 		900MHz、数字控制、可变增益放大器

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