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Name: LMH6643MM-NS
Brand: National Semiconductor
SKU: LMH6643MM-NS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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National Semiconductor LMH6643MM-NS

Part No.:: LMH6643MM-NS

Manufacturer:: National Semiconductor

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: LMH6643MM-NS.pdf

Description:: IC OPAMP VFB 2 CIRCUIT 8VSSOP

In Stock:: 87150

Quantity:: Add To Cart

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LMH6643MM-NS Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Bulk
Series:
LMH®
ProductStatus:
Active
AmplifierType:
Voltage Feedback
NumberofCircuits:
2
OutputType:
Rail-to-Rail
SlewRate:
135V/µs
GainBandwidthProduct:
-
-3dbBandwidth:
130 MHz
Current-InputBias:
1.6 µA
Voltage-InputOffset:
1 mV
Current-Supply:
2.7mA (x2 Channels)
Current-Output/Channel:
75 mA
Voltage-SupplySpan(Min):
2.7 V
Voltage-SupplySpan(Max):
12.8 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LMH6643MM-NS this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMH6643MM-NS price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LMH6643MM-NS to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LMH6643MM-NS information

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LMH6643MM-NS Typical application Circuitry

LMH6643MM-NS

The LMH6643MM-NS is a versatile, rail-to-rail output, low-power operational amplifier known for its efficiency and performance in a wide range of electronic applications. This op-amp is distinguished by its ability to operate effectively across a broad spectrum of conditions, making it an ideal choice for designers looking for flexibility and reliability.

Broad Dynamic Range: Rail-to-Rail Output

The LMH6643MM-NS boasts a rail-to-rail output, which significantly enhances the dynamic range of the signals it can process. This feature is particularly beneficial in applications where the supply voltage is limited, as it allows for maximum signal amplitude.

Efficient Functioning: Minimal Power Usage

The LMH6643MM-NS, with its low power consumption, is a great option for battery-powered devices or any application where energy saving is a top priority. The performance of the op-amp is unaffected by its efficiency, which makes it a useful part in designs that are power-sensitive.

Fast Signal Processing: High Slew Rate

With its high slew rate, the LMH6643MM-NS is capable of fast signal processing, making it suitable for applications requiring quick response times, such as audio processing or signal conditioning in measurement equipment.

Application Scenario: Driving an ADC Input

A practical application for the LMH6643MM-NS is in conditioning signals to drive the input of an Analog-to-Digital Converter (ADC), a common requirement in digital signal processing systems.

Circuit Implementation:

- Signal Conditioning: Connect the signal source to Pin 3 (Non-Inverting Input) through a resistor to limit the current and protect the op-amp input.

- Feedback Loop: Establish a feedback network between Pin 6 (Output) and Pin 2 (Inverting Input) with a resistor, setting the desired gain level for signal amplification.

- Filtering: Add a low-pass filter between the output (Pin 6) and the ADC input to reduce high-frequency noise, using a capacitor in parallel with the feedback resistor.

Design Considerations:

- Gain Accuracy: Precisely select the feedback and input resistors to achieve the accurate gain necessary for optimal ADC performance.

- Power Supply Decoupling: Use decoupling capacitors close to the op-amp's power supply pins to minimize power supply noise, ensuring a clean, stable operation.

- Bandwidth and Noise: Balance the bandwidth and noise by choosing appropriate values for the feedback resistor and filter capacitor, optimizing the signal-to-noise ratio (SNR) for the ADC.

- Thermal Management: Although the LMH6643MM-NS is designed for low power consumption, consider thermal issues in high-gain applications or environments with limited air circulation.

Incorporating the LMH6643MM-NS into a signal conditioning circuit for an ADC input demonstrates its capability to enhance signal quality, ensuring accurate digital representation of analog signals. By carefully addressing gain accuracy, power supply decoupling, bandwidth versus noise, and thermal management, designers can leverage the operational amplifier's features to achieve high precision and reliability in their digital signal processing systems. The LMH6643MM-NS emerges as a robust solution for a multitude of applications, characterized by its efficiency, fast response, and broad dynamic range, suitable for advancing electronic designs.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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