OPA445AP

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  • FabricanteTexas Instruments

  • Peça do Fabricante #OPA445AP

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 1
SlewRate 15V/µs
GainBandwidthProduct 2 MHz
Current-InputBias 10 pA
Voltage-InputOffset 1.5 mV
Current-Supply 4.2mA
Current-Output/Channel 15 mA
Voltage-SupplySpan(Min) 20 V
Voltage-SupplySpan(Max) 90 V
OperatingTemperature -25°C ~ 85°C
MountingType Through Hole
Package/Case 8-DIP (0.300, 7.62mm)

Visão Geral

Description

The OPA445AP is a high-voltage operational amplifier designed for precision applications requiring wide voltage swings. It is part of the OPA445 series by Texas Instruments and is notable for its ability to operate with supply voltages up to ±45V, making it suitable for high-performance systems. This op-amp offers low noise, low distortion, and excellent output drive capabilities. Key features include a wide bandwidth, high slew rate, and low input bias current, which contribute to its precision performance in demanding environments.
The OPA445AP is often used in industrial and scientific applications, such as test equipment, transducer interfaces, and data acquisition systems, where maintaining signal integrity across wide voltage ranges is critical. Its robust design ensures reliable operation in environments with high voltage requirements, and it is typically available in an 8-pin PDIP package. This operational amplifier is ideal for engineers looking for a component that offers both high voltage operation and precision, providing a balance of performance and flexibility in design applications.

Equivalent

The OPA445AP is a high-voltage operational amplifier. Equivalent or similar products include the LT1013 from Analog Devices, LM741 from Texas Instruments, and the CA3140 from Intersil. However, these alternatives might not perfectly match all electrical characteristics such as supply voltage range, gain-bandwidth product, or slew rate. It is essential to compare specific parameters and performance requirements for your application when selecting an equivalent.

Features

The OPA445AP is a high-voltage operational amplifier featuring a wide supply voltage range from ±10V to ±45V, allowing for operation in diverse applications. It delivers excellent output swing, close to the supply rails, enhancing output performance. The amplifier provides low distortion and noise, ensuring high-quality signal amplification suitable for precision applications. With a typical slew rate of 15V/µs, it supports fast signal processing, and the wide bandwidth of 2.2 MHz facilitates high-speed operations.
This op-amp also exhibits low input bias current, which is advantageous for large resistor values in circuits, minimizing offset errors. Its input offset voltage is typically low, contributing to accurate signal amplification. The OPA445AP operates over a wide temperature range, making it suitable for harsh environmental conditions. It is commonly used in industrial, medical, and test equipment applications due to its robustness and reliability. The device is available in various package options, enhancing design flexibility for different application needs.

Pinout

The OPA445AP is an operational amplifier with a pin count of 8. It is typically available in a standard 8-pin DIP (Dual In-line Package) configuration. Here is a brief overview of its pin functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): The inverting input terminal of the op-amp.
3. Pin 3 (Non-inverting Input): The non-inverting input terminal of the op-amp.
4. Pin 4 (V-): Negative power supply voltage.
5. Pin 5 (Offset Null): Another pin for offset voltage adjustment, typically used in conjunction with Pin 1.
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+): Positive power supply voltage.
8. Pin 8 (NC or No Connect): Usually not connected or used for additional stability/compensation in some configurations.
The OPA445 is known for its high-voltage capability, typically used in applications requiring a wide range of supply voltages and high output voltages.

Manufacturer

The OPA445AP is manufactured by Texas Instruments (TI), a multinational technology company. Texas Instruments is primarily known for designing and manufacturing semiconductors and integrated circuits, which are used in a wide range of electronic devices and applications. The company operates in various sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its diverse product portfolio, which includes amplifiers, data converters, power management products, sensors, and microcontrollers, among others. The company is a significant player in the electronics and semiconductor industry and has a strong reputation for innovation and quality in its products.

Application

The OPA445AP is a high-voltage operational amplifier suitable for a variety of applications. Its key features make it ideal for:
1. Industrial Control Systems: Used in process automation and control systems requiring high-voltage precision.
2. Data Acquisition: Suitable for high-voltage data acquisition systems.
3. Test Equipment: Utilized in high-voltage test and measurement devices.
4. Power Supply Control: Effective in power supply regulation and control circuits.
5. Transducer Interfaces: Interfaces with sensors and transducers in high-voltage environments.
6. Medical Equipment: Used in certain medical devices that require high-voltage operation.
7. Telecommunications: Helps in signal amplification in telecom infrastructure.
Its ability to handle high-voltage and provide precision makes it versatile in demanding applications.

Package

The OPA445AP is an operational amplifier that comes in a PDIP (Plastic Dual In-line Package) with 8 pins.

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