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參數(shù)資料
| 型號(hào)： | LM7131ACMX |
| 廠商： | National Semiconductor |
| 文件頁(yè)數(shù)： | 5/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP TINY HS SNG SUPP 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類(lèi)型： | 電壓反饋 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 150 V/µs |
| 增益帶寬積： | 70MHz |
| -3db帶寬： | 90MHz |
| 電流 - 輸入偏壓： | 20µA |
| 電壓 - 輸入偏移： | 20µV |
| 電流 - 電源： | 7.5mA |
| 電流 - 輸出 / 通道： | 65mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 12 V，± 2.5 V ~ 6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 其它名稱(chēng)： | *LM7131ACMX |
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OBSOLETE
SNOS737C – SEPTEMBER 1999 – REVISED APRIL 2013
APPLICATION INFORMATION
General Information
The LM7131 is a high speed complementary bipolar amplifier which provides high performance at single supply
voltages. The LM7131 will operate at ±5V split supplies, +5V single supplies, and +3V single supplies. It can
provide improved performance for ±5V designs with an easy transition to +5V single supply. The LM7131 is a
voltage feedback amplifier which can be used in most operational amplifier circuits.
The LM7131 is available in two package types: SOIC-8 surface mount package and the SOT23-5 Tiny package
for space and weight savings.
The LM7131 has been designed to meet some of the most demanding requirements for single supply
amplifiers—driving analog to digital converters and video cable driving. The output stage of the LM7131 has
been specially designed for the dynamic load presented by analog to digital converters. The LM7131 is capable
of a 4V output range with a +5V single supply. The LM7131's drive capability and good differential gain and
phase make quality video possible from a small package with only a +5V supply.
Benefits of the LM7131
The LM7131 can make it possible to amplify high speed signals with a single +5V or +3V supply, saving the cost
of split power supplies.
Easy Design Path from ±5V to +5V Systems
The SOIC-8 package and similar ±5V and single supply specifications means the LM7131 may be able to
replace many more expensive or slower op amps, and then be used for an easy transition to 5V single supply
systems. This could provide a migration path to lower voltages for the amplifiers in system designs, reducing the
effort and expense of testing and re-qualifying different op amps for each new design.
In addition to providing a design migration path, the SOT23-5 Tiny surface mount package can save valuable
board space.
Specific Advantages of SOT23-5 (Tiny Package)
The SOT23-5 (Tiny) package can save board space and allow tighter layouts. The low profile can help height
limited designs, such as sub-notebook computers, consumer video equipment, personal digital assistants, and
some of the thicker PCMCIA cards. The small size can improve signal integrity in noisy environments by placing
the amplifier closer to the signal source. The tiny amp can fit into tight spaces and weighs little. This makes it
possible to design the LM7131 into places where amplifiers could not previously fit.
The LM7131 can be used to drive coils and transformers referenced to virtual ground, such as magnetic tape
heads and disk drive write heads. The small size of the SOT23-5 package can allow it to be placed with a pre-
amp inside of some rotating helical scan video head (VCR) assemblies. This avoids long cable runs for low level
video signals, and can result in higher signal fidelity.
Additional space savings parts are available in tiny packages from Texas Instruments, including low power
amplifiers, precision voltage references, and voltage regulators.
Notes on Performance Curves and Datasheet Limits
NOTE
Important:Performance curves represent an average of parts, and are not limits.
Supply Current vs Supply Voltage
Note that this curve is nearly straight, and rises slowly as the supply voltage increases.
Input Current vs Input Voltage
This curve is relatively flat in the 200 mV to 4V input range, where the LM7131 also has good common mode
rejection.
Copyright 1999–2013, Texas Instruments Incorporated
13
Product Folder Links: LM7131
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM7131ACN | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:IC-HIGH SPEED OP AMP |
| LM7131BCM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM7131BCM5 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Tiny High Speed Single Supply Operational Amplifier |
| LM7131BCM5X | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM7131BCMX | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Tiny High Speed Single Supply Operational Amplifier |
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