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LMH6502MT

更新时间： 2024-11-05 22:31:11
品牌 Logo 应用领域
美国国家半导体 - NSC 模拟IC信号电路放大器光电二极管
页数 文件大小 规格书
19页 936K
描述
Wideband, Low Power, Linear-in-dB Variable Gain Amplifier

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中文翻译

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LMH6502MT 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TSSOP-14Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.03模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G14JESD-609代码：e0
长度：5 mm湿度敏感等级：1
标称负供电电压 (Vsup)：-5 V功能数量：1
端子数量：14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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
最大供电电压 (Vsup)：12 V最小供电电压 (Vsup)：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：4.4 mmBase Number Matches：1

LMH6502MT 数据手册

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June 2004  
LMH6502  
Wideband, Low Power, Linear-in-dB Variable Gain  
Amplifier  
General Description  
Features  
™
The LMH 6502 is a wideband DC coupled differential input  
VS  
=
5V, TA = 25˚C, RF = 1kΩ, RG = 174Ω, RL = 100Ω, AV  
voltage controlled gain stage followed by a high-speed cur-  
rent feedback Op Amp which can directly drive a low imped-  
ance load. Gain adjustment range is more than 70dB for up  
to 10MHz.  
= AV(MAX) = 10 Typical values unless specified.  
n -3dB BW  
n Gain control BW  
130MHz  
100MHz  
70dB  
0.6dB  
1800V/µs  
27mA  
n Adjustment range (typical over temp)  
n Gain matching (limit)  
n Slew rate  
n Supply current (no load)  
n Linear output current  
n Output voltage (RL = 100Ω)  
n Input voltage noise  
n Input current noise  
n THD (20MHz, RL = 100Ω, VO = 2VPP  
n Replacement for CLC520  
Maximum gain is set by external components and the gain  
can be reduced all the way to cut-off. Power consumption is  
300mW with a speed of 130MHz. Output referred DC offset  
voltage is less than 350mV over the entire gain control  
voltage range. Device-to-device Gain matching is within  
0.6dB at maximum gain. Furthermore, gain at any VG is  
tested and the tolerance is guaranteed. The output current  
feedback Op Amp allows high frequency large signals (Slew  
Rate = 1800V/µs) and can also drive heavy load current  
(75mA). Differential inputs allow common mode rejection in  
low level amplification or in applications where signals are  
carried over relatively long wires. For single ended opera-  
tion, the unused input can easily be tied to ground (or to a  
virtual half-supply in single supply application). Inverting or  
non-inverting gains could be obtained by choosing one input  
polarity or the other.  
75mA  
3.2V  
7.7nV/  
2.4pA/  
−53dBc  
)
Applications  
n Variable attenuator  
n AGC  
n Voltage controller filter  
n Video imaging processing  
To provide ease of use when working with a single supply,  
VG range is set to be from 0V to +2V relative to pin 11  
potential (ground pin). In single supply operation, this ground  
pin is tied to a "virtual" half supply.  
LMH6502 gain control is linear in dB for a large portion of the  
total gain control range. This makes the device suitable for  
AGC circuits among other applications. For linear gain con-  
trol applications, see the LMH6503 datasheet. The  
LMH6502 is available in the SOIC-14 and TSSOP-14 pack-  
age.  
Typical Application  
Gain vs. VG for Various Temperature  
20067737  
20067706  
AVMAX = 10V/V  
™
LMH is a trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200677  
www.national.com  
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LMH6502MT 替代型号

型号 品牌 替代类型 描述 数据表
LMH6502MT/NOPB TI

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