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Name: OPA4134UAG4
Brand: Texas Instruments
SKU: OPA4134UAG4
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 OPA4134UAG4

Part No.:: OPA4134UAG4

Manufacturer:: Texas Instruments

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

Datasheet:: OPA4134UAG4.pdf

Description:: IC AUDIO 4 CIRCUIT 14SOIC

In Stock:: 3961

Quantity:: Add To Cart

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OPA4134UAG4 Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
SoundPlus™
ProductStatus:
Discontinued at Mosen
AmplifierType:
Audio
NumberofCircuits:
4
OutputType:
-
SlewRate:
20V/µs
GainBandwidthProduct:
8 MHz
-3dbBandwidth:
-
Current-InputBias:
5 pA
Voltage-InputOffset:
500 µV
Current-Supply:
4mA (x4 Channels)
Current-Output/Channel:
35 mA
Voltage-SupplySpan(Min):
5 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

OPA4134UAG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA4134UAG4 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 OPA4134UAG4 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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OPA4134UAG4 information

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OPA4134UAG4 Typical application Circuitry

OPA4134UAG4

The OPA4134UAG4 is a high-fidelity operational amplifier designed for audio applications, characterized by its low distortion, low noise, and wide bandwidth. This makes it an ideal choice for professional audio equipment, audiophile-grade preamplifiers, and mixing consoles where exceptional audio quality is required.

Application Scenarios:

The OPA4134UAG4 excels in high-end headphone amplifiers, where its superior audio performance can drive headphones with clarity and detail, enhancing the listening experience.

Parameter Characteristics:

Key features of the OPA4134UAG4 include its high slew rate, broad frequency response, and very low total harmonic distortion (THD), which ensure the amplified audio signal remains pure and uncolored. Additionally, its low noise figure preserves the integrity of the audio signal, making it suitable for critical listening environments.

Circuit Connection Details:

- Dual Power Supply Setup: The OPA4134UAG4 is typically powered by dual supplies to accommodate audio signals that swing both positive and negative. Connect the positive power supply to the V+ pin (pin 8) and the negative power supply to the V− pin (pin 4).

- Input Stage: For a headphone amplifier, the audio input can be connected to the non-inverting input of the first op-amp channel (pin 3) through a coupling capacitor to block DC components. This setup ensures that only the AC audio signal is amplified.

- Gain Configuration: Set the amplifier's gain by connecting a feedback resistor (Rf) from the output (pin 1) back to the inverting input (pin 2). Place another resistor (Rg) from the inverting input to ground. The amplifier's gain is then $1 + \frac{Rf}{Rg}$.

- Output Coupling: To prevent DC from reaching the headphones, couple the output of the OPA4134UAG4 (pin 1 for the first channel) to the headphones through a series capacitor, effectively creating a high-pass filter with the headphones' input impedance.

Design Considerations:

- Power Supply Decoupling: To ensure the OPA4134UAG4 operates without introducing power supply noise into the audio signal, use decoupling capacitors close to the power pins. Typically, a combination of large electrolytic and small ceramic capacitors is used to filter out a wide range of noise frequencies.

- PCB Layout for Audio Fidelity: The layout of the PCB can significantly impact the audio quality. Keep audio signal paths short and separate from power and ground traces to minimize noise and crosstalk. Utilizing a ground plane can also reduce interference.

- Thermal Management: Although the OPA4134UAG4 is not known for high power dissipation, in a compact headphone amplifier design, ensuring adequate ventilation or heat sinking can prevent thermal buildup and maintain stable operation.

- Protection Circuits: Headphone outputs can be susceptible to short circuits or plugging and unplugging transients. Including protection resistors and transient suppression diodes at the output can safeguard the OPA4134UAG4 and the headphones from potential damage.

Incorporating the OPA4134UAG4 with these design considerations in mind allows for the creation of high-quality headphone amplifiers that deliver exceptional audio performance, catering to audiophiles and professional users alike.

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6. What is the process for return or replacement of OPA4134UAG4?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the OPA4134UAG4 we delivered, we will accept the replacement or return of the OPA4134UAG4 only when all of the below conditions are fulfilled:

(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 OPA4134UAG4.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations