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LMH6505MMX

更新时间： 2024-09-16 04:44:11
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
20页 1123K
描述
Wideband, Low Power, Linear-in-dB, Variable Gain Amplifier

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中文翻译

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LMH6505MMX 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：MSOP-8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.04模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：S-PDSO-G8JESD-609代码：e0
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：8
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：TSSOP
封装等效代码：TSSOP8,.19封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：1.09 mm子类别：Other Analog ICs
最大供电电流 (Isup)：16 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：3.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3 mm
Base Number Matches：1

LMH6505MMX 数据手册

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January 2006  
LMH6505  
Wideband, Low Power, Linear-in-dB, Variable Gain  
Amplifier  
General Description  
Features  
The LMH6505 is a wideband DC coupled voltage controlled  
gain stage followed by a high-speed current feedback op  
amp which can directly drive a low impedance load. The gain  
adjustment range is 80 dB for up to 10 MHz which is accom-  
plished by varying the gain control input voltage, VG.  
VS  
= 5V, TA = 25˚C, RF = 1 kΩ, RG = 100Ω, RL = 100Ω, AV  
= AVMAX = 9.4 V/V, Typical values unless specified.  
n −3 dB BW  
n Gain control BW  
n Adjustment range ( 10 MHz)  
n Gain matching (limit)  
n Supply voltage range  
n Slew rate (inverting)  
n Supply current (no load)  
n Linear output current  
n Output voltage swing  
n Input noise voltage  
n Input noise current  
150 MHz  
100 MHz  
80 dB  
<
Maximum gain is set by external components, and the gain  
can be reduced all the way to cut-off. Power consumption is  
110 mW with a speed of 150 MHz and a gain control band-  
width (BW) of 100 MHz. Output referred DC offset voltage is  
less than 55 mV over the entire gain control voltage range.  
Device-to-device gain matching is within 0.5 dB at maxi-  
mum gain. Furthermore, gain is tested and guaranteed over  
a wide range. The output current feedback op amp allows  
high frequency large signals (Slew Rate = 1500 V/µs) and  
can also drive a heavy load current (60 mA) guaranteed.  
Near ideal input characteristics (i.e. low input bias current,  
low offset, low pin 3 resistance) enable the device to be  
easily configured as an inverting amplifier as well.  
0.50 dB  
7V to 12V  
1500 V/µs  
11 mA  
60 mA  
2.4V  
4.4 nV/  
2.6 pA/  
−45 dBc  
n THD (20 MHz, RL = 100Ω, VO = 2 VPP  
)
Applications  
n Variable attenuator  
n AGC  
n Voltage controlled filter  
n Video imaging processing  
To provide ease of use when working with a single supply,  
the VG range is set to be from 0V to +2V relative to the  
ground pin potential (pin 4). VG input impedance is high in  
order to ease drive requirement. In single supply operation,  
the ground pin is tied to a "virtual" half supply.  
The LMH6505’s gain control is linear in dB for a large portion  
@
of the total gain control range from 0 dB down to −85 dB  
25˚C, as shown below. This makes the device suitable for  
AGC applications. For linear gain control applications, see  
the LMH6503 datasheet.  
The LMH6505 is available in either the SOIC-8 or the  
MSOP-8 package. The combination of minimal external  
components and small outline packages allows the  
LMH6505 to be used in space-constrained applications.  
Typical Application  
20171002  
AVMAX = 9.4 V/V  
20171011  
Gain vs. VG  
© 2006 National Semiconductor Corporation  
DS201710  
www.national.com  
1234567...20

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LMH6505MMX 替代型号

型号 品牌 替代类型 描述 数据表
LMH6505MM NSC

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 Wideband, Low Power, Linear-in-dB, Variable Gain Amplifier

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