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Texas Instruments LMV7239M5X/NOPB

Part No.:: LMV7239M5X/NOPB

Manufacturer:: Texas Instruments

Package:: SC-74A, SOT-753

Datasheet:: LMV7239M5X/NOPB.pdf

Description:: IC COMP ULP R-R INPUT SOT23-5

In Stock:: 2712

Quantity:: Add To Cart

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LMV7239M5X/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

LMV7239M5X/NOPB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMV7239M5X/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 LMV7239M5X/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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LMV7239M5X/NOPB information

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LMV7239M5X/NOPB Typical application Circuitry

LMV7239M5X NOPB

LMV7239M5X/NOPB is a high-speed, low-power comparator from Texas Instruments, known for its rail-to-rail input capability and open-drain output. The device operates with a supply voltage ranging from 2.7V to 5.5V, making it highly suitable for battery-operated and portable applications where power efficiency is crucial. The "NOPB" designation indicates that the product is lead-free ("No Lead"), aligning with environmental standards.

Application Scenario

An ideal application for LMV7239M5X/NOPB is in a portable device's power management system, where it can be used to detect when the input voltage (such as from a battery) falls below a specific threshold, signaling a low-battery warning.

Parameter Features

- Supply Voltage Range: 2.7V to 5.5V, accommodating a variety of low-voltage applications.

- Low Power Consumption: Optimal for battery-powered devices, ensuring minimal power drain.

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

- Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.

Circuit Design Considerations

Designing with LMV7239M5X/NOPB requires attention to the supply voltage stability, proper configuration of the input signal levels to stay within the rail-to-rail range, the selection of an appropriate pull-up resistor for the open-drain output, and ensuring signal integrity to prevent false triggering.

Detailed Circuit Connection

Supply Voltage Connection

Ensure the VCC pin (pin 5) of LMV7239M5X/NOPB is connected to a stable power source within the 2.7V to 5.5V range, providing the necessary operating voltage for the comparator.

Setting the Reference Voltage

Configure a reference voltage at the non-inverting input (IN+, pin 3) using either a precise voltage reference component or a resistor divider circuit sourced from VCC. This reference will act as the comparison threshold for the input signal.

Input Signal Monitoring

Connect the signal to be monitored (e.g., battery voltage) to the inverting input (IN-, pin 2), possibly through a voltage divider to ensure the signal level is within the operating range of the comparator.

Output Configuration

Attach a pull-up resistor to the OUT pin (pin 1), leading to a voltage within the comparator's operating range. This resistor is crucial for defining the logic level when the output is in the high-impedance state, given the open-drain nature of the output.

Grounding

Connect the GND pin (pin 4) to the system ground. A solid ground connection is essential for the stable operation of LMV7239M5X/NOPB.

In circuits using LMV7239M5X/NOPB, careful layout to minimize noise ingress to the comparator's inputs and supply line is crucial, as noise can lead to inaccurate comparisons. Additionally, the choice of the pull-up resistor should consider the downstream logic input requirements and the power consumption implications, especially in battery-powered applications. Proper decoupling techniques near the supply pin are also recommended to maintain the stability of the comparator's operation.

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6. What is the process for return or replacement of LMV7239M5X/NOPB?

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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 LMV7239M5X/NOPB.

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

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