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AD8638ARZ

Name: AD8638ARZ
Rating: 4.7 (12 reviews)

IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

Производитель
Мфр. Часть #AD8638ARZ
Пакет SOP-8
Лист данных AD8638ARZ DataSheet
В наличии4841

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Спецификации

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)

Обзор

Description

The AD8638ARZ is a precision operational amplifier (op-amp) from Analog Devices, known for its low noise, low distortion, and high speed. It features a rail-to-rail output, allowing it to swing close to the supply rails, which maximizes dynamic range in single-supply applications. With a high gain-bandwidth product and a low input offset voltage, the AD8638 is suitable for a variety of applications, including instrumentation, audio processing, and active filtering.
Key specifications include a typical input offset voltage of 100 µV, a gain bandwidth of 10 MHz, and a slew rate of 20 V/µs. It operates on a supply voltage range of ±2.5V to ±15V, making it versatile for both single and dual supply designs. Additionally, the AD8638's low input bias current (10 pA) and high common-mode rejection ratio (CMRR) enhance its performance in sensitive applications. Packaged in an 8-lead SOIC or MSOP, the AD8638ARZ is an excellent choice for high-performance analog circuit designs requiring precision and stability.

Features

The AD8638ARZ is a precision, low-noise operational amplifier featuring the following key specifications:
1. Supply Voltage: Operates from ±2.5V to ±18V.
2. Low Offset Voltage: Typically 50 µV, ensuring high accuracy in signal amplification.
3. Low Noise: Voltage noise density of 8 nV/√Hz at 1 kHz, making it suitable for sensitive applications.
4. High Gain: Open-loop gain of 120 dB, allowing for significant signal amplification.
5. Wide Bandwidth: Gain bandwidth product of 1.6 MHz, ensuring adequate frequency response for many applications.
6. Rail-to-Rail Output: Provides maximum output swing close to the supply rails, enhancing usability in low voltage designs.
7. Low Power: Quiescent current of 2.5 mA per amplifier, promoting energy efficiency.
8. Temperature Range: Operating temperature range from -40°C to +125°C, suitable for various environments.
These features make the AD8638ARZ ideal for applications in instrumentation, signal conditioning, and data acquisition systems.

Package

The AD8638ARZ is packaged in a 8-lead SOIC (Small Outline Integrated Circuit) form factor. This package type is designed for surface mounting and provides a compact solution for the operational amplifier.

Pinout

The AD8638ARZ is an operational amplifier (op-amp) from Analog Devices, featuring a total of 8 pins. It is a dual op-amp with low noise and high precision characteristics. The pin functions are as follows:
1. Pin 1 (OUTA): Output of the first op-amp.
2. Pin 2 (–INA): Inverting input of the first op-amp.
3. Pin 3 (+INA): Non-inverting input of the first op-amp.
4. Pin 4 (V–): Negative power supply pin.
5. Pin 5 (V+): Positive power supply pin.
6. Pin 6 (+INB): Non-inverting input of the second op-amp.
7. Pin 7 (–INB): Inverting input of the second op-amp.
8. Pin 8 (OUTB): Output of the second op-amp.
The AD8638ARZ is designed for applications requiring low offset voltage and low noise, making it suitable for precision signal processing.

Manufacturer

The AD8638ARZ is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in data conversion, signal processing, and analog technology. Founded in 1965, the company designs and manufactures a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are used in various applications, including automotive, industrial automation, healthcare, communications, and consumer electronics. Analog Devices is recognized for its innovation and quality in the field of electronics.

Application

The AD8638ARZ is a precision, low-noise operational amplifier suitable for various applications, including signal conditioning, data acquisition systems, medical instrumentation, and active filter designs. Its high speed and low offset voltage make it ideal for high-performance audio equipment, instrumentation amplifiers, and industrial control systems. Additionally, it is used in precision measurement and sensor interfacing applications.

Equivalent

The AD8638ARZ is a precision, low-noise operational amplifier. Equivalent products include:
1. OPA2134 (Texas Instruments)
2. LT1007 (Analog Devices)
3. TLV2371 (Texas Instruments)
4. ISL28110 (Renesas)
These alternatives provide similar performance characteristics, such as low offset voltage, low noise, and high PSRR. Always verify specific requirements such as bandwidth and supply voltage compatibility.

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