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Name: OPA657NB/3K
Brand: Texas Instruments
SKU: OPA657NB/3K
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 OPA657NB/3K

Part No.:: OPA657NB/3K

Manufacturer:: Texas Instruments

Package:: SC-74A, SOT-753

Datasheet:: OPA657NB/3K.pdf

Description:: IC OPAMP VFB 1 CIRCUIT SOT23-5

In Stock:: 3359

Quantity:: Add To Cart

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OPA657NB/3K Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
AmplifierType:
Voltage Feedback
NumberofCircuits:
1
OutputType:
-
SlewRate:
700V/µs
GainBandwidthProduct:
1.6 GHz
-3dbBandwidth:
350 MHz
Current-InputBias:
1 pA
Voltage-InputOffset:
100 µV
Current-Supply:
14mA
Current-Output/Channel:
70 mA
Voltage-SupplySpan(Min):
8 V
Voltage-SupplySpan(Max):
12 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

OPA657NB/3K this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA657NB/3K 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 OPA657NB/3K 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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OPA657NB/3K information

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OPA657NB/3K Typical application Circuitry

OPA657NB 3K

The OPA657NB/3K is a high-performance operational amplifier (op-amp) designed for applications requiring high speed, wide bandwidth, and FET input characteristics. It's particularly suited for scenarios where rapid signal processing is critical, such as in photodiode amplification, wideband transimpedance amplifiers, and as a driver for high-speed analog-to-digital converters (ADCs).

Key Features of OPA657NB/3K:

1. High-Speed Operation: Ideal for applications demanding quick signal processing.

2. Wide Bandwidth: Suitable for a broad range of frequencies, especially in wideband applications.

3. FET Input: Offers low input bias current, important for sensitive and precise measurements.

4. High Slew Rate: Ensures rapid signal transitions, essential in fast-response systems.

Application Scenario - Wideband Transimpedance Amplifier:

The OPA657NB/3K is particularly effective in wideband transimpedance amplifier applications, commonly used in optical communication systems, high-speed photodetectors, and precision measurement instruments.

Circuit Design Details:

1. Power Supply Connections: Attach the positive supply voltage to pin 8 and the negative supply voltage to pin 4. The versatility of the OPA657NB/3K in handling different voltage ranges is advantageous.

2. Photodiode Connection: Connect the anode of the photodiode to the ground and the cathode to the inverting input (pin 2) of the OPA657NB/3K.

3. Feedback Loop for Transimpedance: Use a feedback resistor (Rf) from the output (pin 6) to the inverting input (pin 2) for converting the photodiode current into a voltage signal.

4. Output Connection: The voltage output corresponding to the photodiode current is available at pin 6 and can be directed to additional signal processing stages.

5. Decoupling Capacitors: Place decoupling capacitors near the power supply pins to reduce noise and enhance stability.

6. PCB Layout Considerations: Design the PCB to minimize stray capacitance and inductance, which is crucial in high-speed, wideband applications.

Design Considerations with OPA657NB/3K:

- Stable Power Supply: Ensure a noise-free and stable power supply for maintaining signal integrity.

- Noise Minimization: Implement layout and shielding strategies to minimize noise, especially crucial in sensitive photodiode applications.

- Component Quality: Use high-quality components to match the performance of the OPA657NB/3K.

- Thermal Management: Consider the thermal aspects of the circuit, although the OPA657NB/3K does not typically generate excessive heat.

In summary, the OPA657NB/3K operational amplifier is an excellent choice for wideband transimpedance amplifier applications, offering high speed, wide bandwidth, and FET input advantages. Circuit design with the OPA657NB/3K should focus on ensuring a clean power supply, minimizing noise, selecting high-quality components, and optimizing the PCB layout to fully exploit the amplifier's capabilities in high-speed optical communication and measurement systems.

OPA657NB/3K FAQ

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3. Are the OPA657NB/3K price and inventory displayed accurate?

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6. What is the process for return or replacement of OPA657NB/3K?

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 OPA657NB/3K we delivered, we will accept the replacement or return of the OPA657NB/3K 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 OPA657NB/3K.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations