IC OPAMP GP 1 CIRCUIT 20HTSSOP

OPA561PWP/2K – 1.2A High-Current Op Amp – Texas Instruments

The OPA561PWP/2K from Texas Instruments is a high-output-current operational amplifier engineered for demanding applications requiring robust signal amplification. This surface-mount IC delivers exceptional drive capability (1.2A continuous output) with precision performance, making it ideal for industrial controls, test equipment, and power management systems. PCX ensures genuine Texas Instruments components with rapid shipping and dedicated technical support.

Key Features

• High Output Current: 1.2A continuous drive capability
• Fast Slew Rate: 50V/µs for rapid signal response
• Wide Bandwidth: 17 MHz gain bandwidth product
• Broad Voltage Range: 7V to 15V dual-supply operation
• Extended Temperature Range: -40°C to +125°C
• Low Input Offset: 1 mV typical

Technical Details

This general-purpose operational amplifier features a single-circuit design in a space-saving 20-HTSSOP package (4.40mm width). It operates with a supply current of 50mA and offers ultra-low input bias current (10 pA). The device supports surface-mount assembly and is characterized for industrial temperature environments. Note: This part is designated “Not For New Designs” – ideal for existing system maintenance or lifecycle extensions.

Typical Applications

• Motor drives and actuator controls
• Programmable logic controller (PLC) interfaces
• Switch-mode power supply error amplification
• Automotive test instrumentation
• Medical equipment power subsystems

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Their components are renowned for precision, reliability, and rigorous quality standards across aerospace, industrial, and automotive sectors.

TI’s operational amplifiers set industry benchmarks for performance consistency. The OPA561 series exemplifies their expertise in high-current linear solutions, with design validation processes ensuring compliance with stringent operational requirements for critical applications.

About Operational Amplifiers

Operational amplifiers (op amps) are fundamental analog building blocks that amplify voltage differences between inputs. They serve as critical components in signal conditioning, filtering, and control systems where precise mathematical operations on electronic signals are required.

High-current op amps like the OPA561 enable direct drive of resistive or inductive loads – eliminating secondary buffer stages in designs such as valve controllers, LED drivers, and transducer exciters. This integration reduces system complexity while improving thermal management and reliability.

Packaging Options

Available in Tape & Reel (TR) and Cut Tape (CT) formats for automated assembly. Specify preferred packaging during checkout.

Frequently Asked Questions

Question: Is this suitable for driving inductive loads like solenoids?
Answer: Yes, the 1.2A output current and thermal protection make it ideal for solenoid/relay drivers.

Question: What does “Not For New Designs” mean?
Answer: Texas Instruments recommends this part for existing designs but not new developments; it remains fully supported for production and repair.

Question: Can it operate with single-supply voltage?
Answer: The 7-15V specification refers to total supply span; it supports ±3.5V to ±7.5V split supplies or single-supply configurations with proper biasing.

Question: Does PCX provide design support for this IC?
Answer: Yes, our engineering team offers application guidance and datasheet analysis – contact [email protected].

Question: Is heatsinking required?
Answer: Thermal performance depends on load current; the PowerPAD™ HTSSOP package enables efficient PCB heatsinking for most applications.

Question: How do I access the datasheet?
Answer: Request the full OPA561 datasheet via PCX’s product page or customer support portal.

Product images are representational; refer to datasheets for exact specifications.

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