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Name: LMC6484IMX
Brand: National Semiconductor
SKU: LMC6484IMX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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National Semiconductor LMC6484IMX

Part No.:: LMC6484IMX

Manufacturer:: National Semiconductor

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: LMC6484IMX.pdf

Description:: IC CMOS 4 CIRCUIT 14SOIC

In Stock:: 10560

Quantity:: Add To Cart

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LMC6484IMX Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Bulk
Series:
-
ProductStatus:
Active
AmplifierType:
CMOS
NumberofCircuits:
4
OutputType:
Rail-to-Rail
SlewRate:
1.3V/µs
GainBandwidthProduct:
1.5 MHz
-3dbBandwidth:
-
Current-InputBias:
0.02 pA
Voltage-InputOffset:
110 µV
Current-Supply:
2.6mA (x4 Channels)
Current-Output/Channel:
30 mA
Voltage-SupplySpan(Min):
3 V
Voltage-SupplySpan(Max):
15.5 V
OperatingTemperature:
-40°C ~ 85°C (TJ)
MountingType:
Surface Mount

LMC6484IMX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMC6484IMX 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 LMC6484IMX 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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LMC6484IMX information

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LMC6484IMX Typical application Circuitry

LMC6484IMX

LMC6484IMX is a CMOS quad operational amplifier known for its high input impedance and low power consumption, making it a suitable choice for battery-operated devices and applications requiring long-term stability. This op-amp is characterized by its rail-to-rail output and wide supply voltage range, enhancing its versatility across various applications.

Application Scenarios

The LMC6484IMX is commonly utilized in:

- Sensor Signal Conditioning: Amplifying low-level signals from sensors for further processing.

- Data Acquisition Systems: As part of the front-end circuitry to buffer and amplify signals before digitization.

- Medical Instruments: In devices requiring precise and stable signal amplification, such as ECG monitors.

- Portable Devices: Due to its low power requirements, it's ideal for handheld and battery-powered applications.

Key Features

Notable features of the LMC6484IMX include:

- Rail-to-Rail Output: Allows for maximum dynamic range in the output signal.

- Low Input Bias Current: Minimizes errors in high impedance sensor circuits.

- Wide Supply Voltage Range: Operable from 3V to 15.5V, accommodating various design requirements.

- Quad Configuration: Houses four op-amps in one package, reducing space and cost.

Example Application: pH Sensor Amplifier Circuit

Power Supply Connection: Link the LMC6484IMX's V+ pin (pin 14) to a +5V source and the V- pin (pin 11) to the ground. This ensures the op-amp operates within its specified voltage range, optimizing performance.

Input Stage: Attach the pH sensor's output to the non-inverting input (pin 1) of the first op-amp inside the LMC6484IMX through a high-value resistor. This resistor maintains the high input impedance necessary for accurate pH measurements.

Gain Setting: Configure a feedback loop from the output (pin 1) to the inverting input (pin 2) using a precision resistor network. This setup defines the circuit's gain, crucial for converting the pH sensor's small voltage changes into readable signals.

Buffer Stages: Utilize the remaining op-amps within the LMC6484IMX to buffer the signal further if needed. Each subsequent op-amp can be configured in a unity gain buffer configuration to preserve the signal integrity without additional amplification.

Output Filtering: Integrate a low-pass filter at the final stage output (pin 14) to eliminate high-frequency noise, ensuring a smooth signal representative of the pH value.

Design Considerations

In designing circuits with the LMC6484IMX, it's essential to consider:

- Input Overvoltage Protection: Ensure the input voltage never exceeds the supply voltage to prevent damage to the op-amp.

- Decoupling Capacitors: Place capacitors close to the power supply pins to mitigate transient noise and stabilize the supply voltage.

- Thermal Management: Although the LMC6484IMX is a low-power device, in densely packed PCBs, heat dissipation should be addressed to maintain operational integrity.

- PCB Layout: Careful layout is necessary to minimize noise pickup, especially in high-impedance circuits like pH sensor amplifiers.

Incorporating the LMC6484IMX in a pH sensor amplifier circuit requires meticulous attention to the signal path, power supply stability, and noise management to ensure accurate and stable pH readings.

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6. What is the process for return or replacement of LMC6484IMX?

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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.

(2)We are informed of the defect described above within 90 days after the delivery of LMC6484IMX.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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