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Name: OP284ES
Brand: Analog Devices Inc.
SKU: OP284ES
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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Analog Devices Inc. OP284ES

Part No.:: OP284ES

Manufacturer:: Analog Devices Inc.

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

Datasheet:

Description:: IC OPAMP GP 2 CIRCUIT 8SOIC

In Stock:: 2058

Quantity:: Add To Cart

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OP284ES Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
2
OutputType:
Rail-to-Rail
SlewRate:
4V/µs
GainBandwidthProduct:
4.25 MHz
-3dbBandwidth:
-
Current-InputBias:
80 nA
Voltage-InputOffset:
100 µV
Current-Supply:
-
Current-Output/Channel:
10 mA
Voltage-SupplySpan(Min):
3 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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OP284ES information

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OP284ES Typical application Circuitry

OP284ES

The OP284ES is a dual, precision operational amplifier known for its low noise, high speed, and rail-to-rail input and output capabilities. This op-amp is designed for a wide range of applications, including battery-powered devices, sensor signal conditioning, active filters, and medical devices, due to its versatile power supply options and excellent performance characteristics.

Application Scenarios

The OP284ES is particularly useful in:

- Battery-Powered Devices: Thanks to its low power consumption.

- Sensor Signal Conditioning: Amplifying signals with minimal distortion or noise.

- Active Filtering: Creating precise filters for audio or data signals.

- Portable Medical Devices: Where precision and power efficiency are critical.

Parameters and Features

- Rail-to-Rail Input and Output: Allows the amplifier to use the full range of the power supply, maximizing the dynamic range.

- Low Power Consumption: Ideal for portable, battery-operated applications.

- Wide Bandwidth: Suitable for high-speed signal processing.

- Single or Dual Supply Operation: Adds to the versatility of the device in different circuit configurations.

Detailed Circuit Connection for Active Filtering

Creating an active low-pass filter using the OP284ES demonstrates its capability in signal processing applications. This example outlines a specific design to filter an audio signal.

1. Power Supply Connections: Connect the positive power supply (e.g., +5V) to pin 8 (V+) and the negative power supply (e.g., -5V or ground for single-supply applications) to pin 4 (V-). To minimize noise, place decoupling capacitors (0.1 µF ceramic and 10 µF electrolytic) close to these pins.

2. Input Signal Conditioning: The audio input signal connects to the non-inverting input (pin 3) of the OP284ES through a resistor (R1, say 10kΩ) to protect the input and potentially form part of an input filter.

3. Feedback and Gain Setting: A feedback resistor (Rf, say 100kΩ) connects from the output (pin 1) to the inverting input (pin 2), with a capacitor (C1, calculated based on the desired cutoff frequency) in parallel to Rf to set the filter's cutoff frequency. The gain of the circuit can be adjusted by adding a resistor (Rg, say 10kΩ) from pin 2 to ground, where the gain is determined by the ratio of Rf to Rg.

4. Output Filtering: To ensure a smooth signal, a capacitor (C2, matching the desired filtering characteristics) can be added at the output (pin 1), forming a second stage of low-pass filtering if necessary.

5. Utilizing the Second Op-Amp: The OP284ES contains a second op-amp that can be used for additional stages of filtering or amplification, repeating the configuration with pins 5 (non-inverting input), 6 (inverting input), and 7 (output) for dual-stage filtering or other processing needs.

Design Considerations

When designing circuits with the OP284ES, several key factors must be considered:

- Power Supply Quality: The cleanliness of the power supply directly impacts the noise performance of the circuit. Utilizing proper decoupling and considering a low-noise power supply are essential.

- Thermal Stability: Although the OP284ES is designed for low power consumption, the ambient temperature and device layout can affect performance. Maintaining a stable thermal environment ensures consistent operation.

- PCB Layout: Optimizing the PCB layout by minimizing trace lengths, especially in the signal path, and using ground planes can significantly reduce noise and improve performance.

- Load Considerations: The OP284ES can drive various loads, but the characteristics of the load may necessitate additional design considerations, such as buffering or impedance matching, to ensure stability and performance.

- Signal Integrity: Maintaining signal integrity involves careful consideration of routing, shielding, and grounding, particularly in environments with significant electrical noise.

Employing the OP284ES in an active low-pass filter circuit highlights its capabilities in precise signal processing applications, leveraging its rail-to-rail input and output, low noise, and high-speed characteristics to achieve high-quality audio filtering.

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3. Are the OP284ES price and inventory displayed accurate?

The price and inventory of OP284ES fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of OP284ES?

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 OP284ES we delivered, we will accept the replacement or return of the OP284ES 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 OP284ES.

(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