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OPA445AU

The Texas Instruments OPA445AU is a high voltage FET-input operational amplifier. It offers a wide power supply range and high slew rate.

✓ Total Stock: 2,776 pcs

$ Price Range: $8.03

OPA445AU Available from 3 distributors

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Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Xingangxin ✓ Non-Authorised Inventory information	2,774 pcs On Request	2774 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Partservice ✓ Non-Authorised Inventory information	2 pcs On Request	2 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
HK XINYUANXIN ELECTRONIC TECH LIMITED ✓ Non-Authorised Inventory information	On Request On Request	On Request	On Request	1	On Request	On Request	On Request	On Request	On Request

OPA445AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Architecture	FET
Mounting Type	Surface Mount
Number of Channels	1
Operating Temperature Range	-55 to 125 °C
Output Current	0.026 A
Slew Rate	15 V/µs

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OPA445AU Description

Short technical summary and product information.

The Texas Instruments OPA445AU is a monolithic operational amplifier designed for high-voltage applications. It supports power supplies up to ±45V and features a high slew rate of 15V/µs, providing wide power-bandwidth response.

This FET-input operational amplifier has a typical output current of 0.026A and a gain bandwidth product of 2MHz. The offset voltage at 25°C is a maximum of 3mV, with an offset drift of 10µV/°C. The input bias current is a maximum of 50pA, and the Common Mode Rejection Ratio (CMRR) is typically 95dB.

The OPA445AU is suitable for a variety of applications including test equipment, high-voltage regulators, power amplifiers, data acquisition, signal conditioning, audio, and piezo drivers. It is available in standard pinout packages such as TO-99, DIP, SO-8, and TO-CAN.

Available package options include HSOIC (DDA), SOIC (D), PDIP (P), and TO-CAN (LMC), with a standard package quantity of 8. The operating temperature range is -55°C to 125°C.

OPA445AU Quick Information

Product Type: Operational Amplifier

Canonical Name: OPA445 High Voltage FET-Input Operational Amplifier

Subcategory: Power Op Amps

OPA445AU Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

OPA445AU Estimated Pricing

Qty	Low	High
1+	$8.03	$8.03

Estimated market price range - modelled values for guidance only, not live distributor offers.

OPA445AU Features

High voltage FET-input operational amplifier.
Wide power supply range up to ±45V.
High slew rate of 15V/µs.
Low input bias current of 50pA.
Suitable for high-voltage applications.

OPA445AU Applications

Ideal for test equipment applications.
Used in high-voltage regulator circuits.
Suitable for power amplifier designs.
Applicable for data acquisition systems.
Effective for audio and piezo drivers.

OPA445AU FAQs

6 frequently asked questions generated from this part’s specifications.

What is the maximum supply voltage for the OPA445AU?

The maximum supply voltage for the OPA445AU is 90V.

What is the slew rate of the OPA445AU?

The typical slew rate of the OPA445AU is 15V/µs.

What is the operating temperature range for the OPA445AU?

The operating temperature range for the OPA445AU is -55°C to 125°C.

What are the available package types for the OPA445AU?

The OPA445AU is available in HSOIC (DDA), SOIC (D), PDIP (P), and TO-CAN (LMC) packages.

What is the typical output current of the OPA445AU?

The typical output current of the OPA445AU is 0.026A.

What is the gain bandwidth product of the OPA445AU?

The typical gain bandwidth product of the OPA445AU is 2MHz.