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Name: OPA2234UA/2K5
Brand: Texas Instruments
SKU: OPA2234UA/2K5
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 OPA2234UA/2K5

Part No.:: OPA2234UA/2K5

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: OPA2234UA/2K5.pdf

Description:: IC OPAMP GP 2 CIRCUIT 8SOIC

In Stock:: 3325

Quantity:: Add To Cart

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OPA2234UA/2K5 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
2
OutputType:
-
SlewRate:
0.2V/µs
GainBandwidthProduct:
350 kHz
-3dbBandwidth:
-
Current-InputBias:
12 nA
Voltage-InputOffset:
70 µV
Current-Supply:
275µA (x2 Channels)
Current-Output/Channel:
22 mA
Voltage-SupplySpan(Min):
2.7 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

OPA2234UA/2K5 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA2234UA/2K5 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 OPA2234UA/2K5 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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OPA2234UA/2K5 information

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OPA2234UA/2K5 Typical application Circuitry

OPA2234UA 2K5

The OPA2234UA/2K5 is a precision, low-power operational amplifier with a rail-to-rail input and output, housed in a surface-mount package. It's designed for applications requiring a balance of high precision and low power consumption, such as sensor signal conditioning, medical instrumentation, and battery-operated devices.

Features of OPA2234UA/2K5

1. Precision Operation: Offers high precision with low offset voltage and low drift.

2. Rail-to-Rail Input/Output: Capable of operating with input and output close to the supply rails.

3. Low Power Consumption: Ideal for battery-powered and energy-efficient applications.

4. Dual Operational Amplifier: Contains two operational amplifiers in one package, which saves space and simplifies designs.

Application Scenario: Portable pH Meter

In a portable pH meter setup, the OPA2234UA/2K5 can be used to condition the signal from a pH probe before it is digitized by an ADC. Here's a detailed guide for connecting this to a portable pH meter circuit:

Circuit Connection Details

1. Power Supply (V+-Pin 8, V--Pin 4):

- Provide the operating voltage by connecting Pin 8 (V+) to the battery's positive terminal and Pin 4 (V-) to its negative terminal. Make that the battery voltage for the OPA2234UA/2K5 is within the approved working range.

2. Non-Inverting Pins 3–5 Inputs (IN+1, IN+2):

- pH Probe Signal Input: Attach Pins 3 and 5 (IN+1 and IN+2) to the pH probe's outputs. When necessary, employ buffering and suitable input protection.

3. Inverting Inputs (IN-1, IN-2 - Pins 2, 6):

- Adjusting Filtering and Gain: Attach Pins 2, 6) to IN-1 and IN-2 (a feedback network made up of resistors and capacitors). As needed, this network adjusts the strength and filters the signal.

4. Outputs (OUT1, OUT2 - Pins 1, 7):

- Signal Output to ADC: Connect OUT1 and OUT2 (Pins 1, 7) to the inputs of an ADC or the next stage in the signal processing chain.

Design Considerations

When designing a circuit with the OPA2234UA/2K5, consider the following:

1. Power Supply Decoupling: Use decoupling capacitors close to the power pins to ensure a stable and clean power supply.

2. Gain and Bandwidth Configuration: Design the feedback network carefully to achieve the desired gain and bandwidth while maintaining stability and precision.

3. Input Protection: Include input protection mechanisms, such as clamping diodes, to prevent damage to the OPA2234UA/2K5 from voltage spikes or static discharge.

4. Noise Minimization: Keep the layout compact and shield sensitive signal paths to minimize noise pickup, especially in precision measurement applications like pH metering.

5. Battery Life Considerations: Pay attention to the quiescent current and power-down features of the OPA2234UA/2K5 to maximize battery life in portable applications.

By carefully addressing these considerations and utilizing the functionalities and pin configurations of the OPA2234UA/2K5, one can effectively integrate this precision operational amplifier into sensitive applications like portable pH meters. The OPA2234UA/2K5, with its precision operation, low power consumption, and rail-to-rail input/output, is an excellent choice for systems requiring accurate and efficient signal processing with minimal power usage.

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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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