AD8638ARZ

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AD8638ARZ

+Nomenclature

IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

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Spécifications

Attribut Valeur
Package Bulk,Tube
ProductStatus Active
AmplifierType Zero-Drift
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 2V/µs
GainBandwidthProduct 1.5 MHz
Current-InputBias 1 pA
Voltage-InputOffset 3 µV
Current-Supply 1.25mA
Current-Output/Channel 37 mA
Voltage-SupplySpan(Min) 5 V
Voltage-SupplySpan(Max) 16 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The AD8638ARZ is a precision, single-channel, low-noise operational amplifier manufactured by Analog Devices. It is designed for applications requiring high accuracy and stability, offering low offset voltage and low input bias current. The amplifier features a rail-to-rail input and output, enabling it to perform well in single-supply or dual-supply configurations. Its low noise characteristics make it suitable for precision instrumentation, data acquisition systems, and high-impedance sensor interfaces.
The AD8638ARZ operates with a supply voltage range from 5V to 16V, which provides flexibility in various circuit designs. It also boasts a wide bandwidth and fast settling times, enhancing its performance in dynamic applications. The device is fabricated using Analog Devices' advanced linear technology, ensuring robust performance in demanding environments. The amplifier comes in a standard SOIC-8 package, making it easy to integrate into existing designs. Its combination of precision, low noise, and versatility makes the AD8638ARZ an excellent choice for engineers seeking reliable and efficient operational amplifier solutions.

Equivalent

The AD8638ARZ is a precision, low-noise operational amplifier. Equivalent products include the OPA277 from Texas Instruments, the LT6011 from Analog Devices (formerly Linear Technology), and the MCP606 from Microchip Technology. These alternatives offer similar specifications in terms of low offset voltage, low noise, and precision performance, but it's essential to compare specific parameters like supply voltage, bandwidth, and package type to ensure compatibility with your application.

Features

The AD8638ARZ is a precision operational amplifier designed by Analog Devices. Key features include:
1. Low Offset Voltage: It offers an ultra-low offset voltage, typically around 10 µV, making it suitable for precision applications.
2. Low Noise: The device has a low voltage noise density, typically 1.2 nV/√Hz, ideal for low-noise signal amplification.
3. Rail-to-Rail Output: This feature allows the output voltage to swing close to the supply rails, maximizing dynamic range.
4. Wide Supply Range: It operates on a wide supply voltage range from ±2.5 V to ±13 V, enhancing versatility.
5. Low Input Bias Current: With low input bias currents, it is suitable for high-impedance sensor interfaces.
6. High Slew Rate: A slew rate of around 3 V/µs supports fast signal processing.
7. Low Power Consumption: The amplifier consumes minimal power, making it ideal for battery-powered applications.
8. Temperature Stability: It provides excellent performance stability over a wide temperature range.
These features make the AD8638ARZ suitable for applications requiring precision, low noise, and efficient power usage.

Pinout

The AD8638ARZ is an operational amplifier from Analog Devices. It is part of the AD8638 series, which is known for its precision and low noise characteristics. The AD8638ARZ comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here are the pin functions for the AD8638ARZ:
1. V+ (Positive Supply Voltage): This pin is connected to the positive supply voltage.
2. Non-Inverting Input (+IN): This pin is for the non-inverting input signal.
3. Inverting Input (-IN): This pin is for the inverting input signal.
4. NC (No Connect): This pin is not internally connected and is used for mechanical stability.
5. V- (Negative Supply Voltage): This pin is connected to the negative supply voltage.
6. Output: This pin provides the amplifier's output signal.
7. NC (No Connect): Like pin 4, not internally connected.
8. NC (No Connect): Also not internally connected.
This op-amp is designed for applications requiring precision, such as sensor signal conditioning and medical instrumentation.

Manufacturer

The AD8638ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. They design and manufacture a wide range of products, including analog, mixed-signal, and digital signal processing integrated circuits used in electronics equipment. The company serves various industries, including telecommunications, automotive, healthcare, and consumer electronics, among others.

Application

The AD8638ARZ is a precision, low-noise operational amplifier commonly used in applications requiring high accuracy and low offset voltage. Key application areas include:
1. Instrumentation: Ideal for sensor signal conditioning, such as strain gauges and thermocouples, due to its low noise and precision.
2. Medical Devices: Used in diagnostic equipment for its accuracy in processing low-level signals.
3. Data Acquisition Systems: Enhances precision in analog-to-digital conversion processes.
4. Industrial Automation: Suitable for precision control applications.
5. Test and Measurement Equipment: Ensures accurate readings in sensitive measurement devices.
Its low input bias current and offset voltage make it suitable for these applications where precision is critical.

Package

The AD8638ARZ is an operational amplifier from Analog Devices, and it comes in an SOIC-8 (Small Outline Integrated Circuit) package type.