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Texas Instruments LMV7239M5/NOPB

Part No.:: LMV7239M5/NOPB

Manufacturer:: Texas Instruments

Package:: SC-74A, SOT-753

Datasheet:: LMV7239M5/NOPB.pdf

Description:: IC COMP PUSH-PULL R-R SOT-23-5

In Stock:: 3836

Quantity:: Add To Cart

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LMV7239M5/NOPB Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Type:
General Purpose
NumberofElements:
1
OutputType:
Push-Pull, Rail-to-Rail
Voltage-SupplySingle/Dual(±):
2.7V ~ 5.5V
Voltage-InputOffset(Max):
6mV @ 5V
Current-InputBias(Max):
0.4µA @ 5V
Current-Output(Typ):
-
Current-Quiescent(Max):
95µA
CMRRPSRR(Typ):
67dB CMRR, 85dB PSRR
PropagationDelay(Max):
62ns
Hysteresis:
-
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LMV7239M5/NOPB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMV7239M5/NOPB 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 LMV7239M5/NOPB 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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LMV7239M5/NOPB information

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LMV7239M5/NOPB Typical application Circuitry

LMV7239M5 NOPB

LMV7239M5/NOPB is a low-power, high-speed comparator with rail-to-rail input capability and an open-drain output, offered by Texas Instruments. The device operates within a supply voltage range of 2.7V to 5.5V, which, combined with its low power consumption, makes it ideal for portable and battery-operated applications. The "NOPB" suffix indicates that the product is provided in a lead-free ("No Lead") package, reflecting environmental compliance.

Application Scenario

A practical application for LMV7239M5/NOPB is in a voltage level detection circuit within an IoT device, where it can monitor sensor outputs or battery levels, providing a digital signal to the microcontroller when certain thresholds are crossed.

Parameter Features

- Supply Voltage Range: 2.7V to 5.5V, suitable for a wide range of low-voltage applications.

- Low Power Consumption: Maximizes battery life in portable applications.

- Output Type: Open-drain output allows for direct interfacing with different logic levels and the possibility of wired-OR connections.

- Rail-to-Rail Input: Facilitates the handling of signals close to the supply rails, enhancing flexibility in various applications.

Circuit Design Considerations

When incorporating LMV7239M5/NOPB into a design, key considerations include ensuring the input signals remain within the supply voltage limits, selecting an appropriate pull-up resistor for the open-drain output, maintaining power supply integrity, and mitigating potential noise interference to avoid false triggering.

Detailed Circuit Connection

Power Supply Connectivity

Connect the VCC pin (pin 5) of LMV7239M5/NOPB to a reliable power source that falls within the 2.7V to 5.5V range, ensuring the comparator is powered correctly for optimal operation.

Reference Voltage Configuration

Set a reference voltage at the non-inverting input (IN+, pin 3) by employing a stable voltage reference or a resistor divider network derived from the VCC. This reference serves as the threshold for comparison against the monitored signal.

Signal Input Monitoring

Link the signal to be monitored to the inverting input (IN-, pin 2), potentially through a voltage divider to scale the signal within the comparator's input range, facilitating accurate voltage level detection.

Output Arrangement

Since the OUT pin (pin 1) is open-drain, a pull-up resistor should be connected to this pin, extending to VCC or another suitable voltage level within the operating range of LMV7239M5/NOPB. This resistor is critical for establishing the high logic level when the output is in its high-impedance state.

Grounding Scheme

Ensure the GND pin (pin 4) is properly connected to the system's ground, providing a stable reference for LMV7239M5/NOPB operations.

In designing circuits with LMV7239M5/NOPB, it is imperative to carefully plan the layout to minimize noise infiltration into the comparator's inputs and supply lines, as noise can lead to unintended comparator outputs. The selection of the pull-up resistor requires consideration of the logic levels in the subsequent stages and the impact on power consumption, particularly in battery-dependent applications. Adequate decoupling near the power supply pin is recommended to enhance the stability of the comparator's performance.

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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 LMV7239M5/NOPB.

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