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Name: OPA4340UAG4
Brand: Texas Instruments
SKU: OPA4340UAG4
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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Texas Instruments OPA4340UAG4

Part No.:: OPA4340UAG4

Manufacturer:: Texas Instruments

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

Datasheet:: OPA4340UAG4.pdf

Description:: IC CMOS 4 CIRCUIT 14SOIC

In Stock:: 2622

Quantity:: Add To Cart

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OPA4340UAG4 Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
microPOWER™
ProductStatus:
Discontinued at Mosen
AmplifierType:
CMOS
NumberofCircuits:
4
OutputType:
Rail-to-Rail
SlewRate:
6V/µs
GainBandwidthProduct:
5.5 MHz
-3dbBandwidth:
-
Current-InputBias:
0.2 pA
Voltage-InputOffset:
150 µV
Current-Supply:
750µA (x4 Channels)
Current-Output/Channel:
50 mA
Voltage-SupplySpan(Min):
2.5 V
Voltage-SupplySpan(Max):
5.5 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

OPA4340UAG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA4340UAG4 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 OPA4340UAG4 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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OPA4340UAG4 information

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OPA4340UAG4 Typical application Circuitry

OPA4340UAG4

The OPA4340UAG4 is a variant of the OPA4340 series of operational amplifiers, known for its high precision, low power consumption, and rail-to-rail input and output capabilities.

Application Scenarios:

A common application for the OPA4340UAG4 is in battery-powered medical devices, where its low power consumption and high precision are crucial for accurate signal measurement and patient safety.

Parameter Characteristics:

The OPA4340UAG4 is characterized by its low input bias current, wide bandwidth, and ability to operate from low supply voltages while maintaining low noise levels and high input impedance, making it ideal for sensitive analog applications.

Circuit Connection Details:

- Power Supply Connections: The OPA4340UAG4 can operate from a single supply or dual supplies. In a single supply setup, connect the positive supply to the V+ pin (pin 8) and ground to the V− pin (pin 4). For dual supply configurations, connect the positive and negative supplies to V+ and V−, respectively.

- Input Signal Conditioning: For a medical device application, such as a heart rate monitor, the input signal from the sensor can be connected to the non-inverting input of the first op-amp in the OPA4340UAG4 (pin 3). A bias voltage, often set to mid-supply for single-supply operations, can be applied to the inverting input (pin 2) to ensure the input signal remains within the op-amp's linear operating range.

- Setting the Gain: The feedback network that connects the amplifier's output (pin 1) to its inverted input (pin 2) determines the amplifier's gain. A resistor (Rf) from output to inverting input and another resistor (Rg) from inverting input to ground set the gain as $1 + \frac{Rf}{Rg}$.

- Filtering and Output: To ensure signal integrity, a low-pass filter can be implemented at the output of the OPA4340UAG4 (pin 1) to remove unwanted high-frequency noise before the signal is processed or displayed. A basic RC network can be used to do this.

Design Considerations:

- Power Consumption: Given the OPA4340UAG4 is used in battery-powered devices, minimizing power consumption is critical. Selecting appropriate power supply voltages and minimizing external bias currents are essential strategies.

- Input Offset Voltage: For high-precision applications, the input offset voltage of the OPA4340UAG4 should be taken into account, as it can introduce errors in low-voltage applications. Techniques such as auto-zeroing or chopper stabilization may be used in the overall system design to mitigate offset issues.

- Common-Mode Rejection Ratio (CMRR): High CMRR is vital in medical applications to reject common-mode signals such as noise from other electronic devices. To improve CMRR, careful architecture and shielding strategies should be used.

- Thermal Management: While the OPA4340UAG4 is designed for low-power operation, thermal considerations are still important, especially in compact medical devices where heat dissipation may be limited.

Incorporating the OPA4340UAG4 into a design with these considerations in mind allows for the creation of efficient, high-precision circuits suitable for a wide range of sensitive applications, particularly in the medical device sector.

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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 OPA4340UAG4.

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

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