STMicroelectronics TS321ILT Low-Power General Purpose Operational Amplifier
- Brand: STMicroelectronics
- Product Code: TS321ILT
- Availability: In Stock
$0.13
- Ex Tax: $0.13
Introducing the STMicroelectronics TS321ILT: Precision in Miniature
In the realm of analog circuit design, the TS321ILT from STMicroelectronics emerges as a versatile workhorse, combining compact packaging with reliable performance. This general-purpose operational amplifier (op-amp) addresses the growing demand for energy-efficient, space-saving components across industrial, automotive, and consumer electronics applications. Its SOT-23-5 package houses a single amplifier circuit optimized for stability and ease of integration, making it an ideal choice for engineers seeking cost-effective solutions without compromising quality.
Key Technical Specifications
The TS321ILT's datasheet reveals specifications tailored for modern electronic systems:
| Parameter | Value |
|---|---|
| Gain Bandwidth Product | 800 kHz |
| Slew Rate | 0.4 V/µs |
| Supply Current | 600 µA (max) |
| Input Offset Voltage | 500 µV (max) |
| Operating Temperature | -40°C to 125°C |
These characteristics position the TS321ILT as a balanced performer for applications requiring moderate-speed signal conditioning. Its 3V to 30V wide supply range accommodates both single-supply and split-rail configurations, while the rail-to-rail output stage maximizes dynamic range in low-voltage systems.
Design Advantages
Engineers will appreciate the TS321ILT's 20 nA input bias current and excellent temperature stability, which minimize errors in precision measurement circuits. The amplifier's 40 mA output current capability enables direct interfacing with various loads, reducing the need for additional buffering stages. Compared to similar devices in the same price bracket, its combination of bandwidth and power consumption creates a compelling value proposition for battery-powered devices where efficiency matters.
Applications and Use Cases
From sensor signal conditioning in industrial IoT nodes to audio processing in portable equipment, the TS321ILT demonstrates remarkable versatility. Automotive designers leverage its AEC-Q100 qualification for under-hood applications, while consumer electronics manufacturers benefit from its small footprint in space-constrained PCB layouts. Typical implementations include:
- Active filters in communication systems
- Current sensing circuits in motor controllers
- Voltage followers for ADC driving
- Comparators in battery management systems
The SOT-23-5 package not only saves board space but also simplifies automated assembly processes, reducing manufacturing complexity. This surface-mount component aligns perfectly with modern electronics' trend toward miniaturization without sacrificing thermal performance.
Performance Considerations
While not designed for GHz-range applications, the TS321ILT excels in scenarios where stability and predictability outweigh raw speed. Its 0.4 V/µs slew rate handles audio frequency signals with ease, making it suitable for pre-amplifier stages in audio equipment. The absence of phase inversion in overdriven conditions enhances reliability in harsh environments, preventing unexpected behavior that could compromise system integrity.
When compared to the industry-standard LMV321, the TS321ILT offers comparable performance at competitive pricing while maintaining STMicroelectronics' reputation for quality. Designers should consider bypass capacitors near the power supply pins to maintain stability, especially in high-impedance source applications.
Tags: General Purpose Amplifier, SOT-23 Package, Industrial Electronics, Automotive ICs, Low-Power Circuits