STMicroelectronics TSV321RILT Single Op-Amp, SOT23-5 Package for IoT & Portable Sensing

STMicroelectronics TSV321RILT Single Op-Amp Overview for Low-Power IoT & Portable Circuits

The STMicroelectronics TSV321RILT is an ultra-compact, low-power single operational amplifier (op-amp) engineered for B2B applications that demand minimal power use, tiny footprints, and consistent signal performance-targeted at Internet of Things (IoT) (wireless sensor modules, asset trackers), Consumer Electronics (portable wearables, Bluetooth earbuds), and Industrial Automation (outdoor low-power sensors, compact control circuits). It integrates critical features-single op-amp channel, 1.8V?C5.5V supply range, 0.35mA max supply current, SOT23-5 surface-mount package, and -40??C to +125??C operating temperature-to eliminate external voltage regulators and streamline power-constrained, space-limited designs.

With low-power compact signal amplification (tuned for efficiency in battery-powered and micro-enclosure systems), it balances clear signal processing with minimal power draw and PCB space. This makes it ideal for engineers prioritizing battery life (long-running IoT devices), miniaturization (sub-7mm modules), and versatility (low-voltage compatibility) in electronic circuits. As part of STMicroelectronics?? low-power IoT op-amp lineup-a series trusted by 195,000+ developers in IoT and portable tech sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (consumer/IoT environments), and 7,200+ hours of reliability testing (including thermal cycling, voltage stability, and humidity resistance validation).

Senior engineers at a leading IoT wireless tracker brand endorse it: ??This op-amp powers our GPS asset trackers. The 0.35mA current extends battery life to 13 days, and SOT23-5 fits our 6mm x 6mm module. It??s helped us hit 99.98% device uptime and 96% customer satisfaction.?? For more low-power IoT and portable electronics components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics TSV321RILT

Key Technical Features of TSV321RILT Single Op-Amp

• 0.35mA Low Supply Current: Saves power. An IoT tracker designer noted: ??Battery life of our GPS tracker rose from 10 days to 13.2 days-a 32% improvement-cutting user maintenance costs.??
• 1.8V?C5.5V Low Supply Range: Fits batteries. A wearable brand shared: ??Works with 3.7V lithium-ion cells-no regulators, reducing per-unit costs by $0.22 and PCB space by 11%.??
• SOT23-5 Ultra-Compact Package: Saves space. A smart sensor brand confirmed: ??PCB area used dropped by 65%-our humidity sensor module fits in 5mm x 5mm, down from 14mm x 14mm.??
• -40??C to +125??C Temp Range: Ensures ruggedness. An industrial supplier said: ??Outdoor temperature sensor failure rate dropped by 1.3%-warranty costs saved $220,000 yearly in industrial deployments.??
• 1.1MHz Bandwidth: Handles signals. A portable test tool brand explained: ??Captures 500Hz?C9kHz sensor signals clearly-no distortion, cutting ??inaccurate data?? complaints by 38%.??

Advantages of TSV321RILT vs. Typical Alternatives

Compared to high-power single op-amps, bulky DIP-package op-amps, and high-voltage single op-amps, the TSV321RILT solves critical B2B pain points-backed by real customer feedback:

1. Longer Battery Life Than High-Power Single Op-Amp: High-power op-amps (e.g., 1.2mA supply current) drain batteries fast in IoT trackers, requiring weekly replacements. The 0.35mA low current cuts waste. An IoT tracker brand said: ??Our old 1.2mA op-amp tracker lasted 6 days-this 0.35mA model lasts 13.2 days. Clients report 32% lower battery costs, and we??ve secured 5 new logistics clients who need long-running trackers.??

2. Smaller Footprint Than Bulky DIP-Package Op-Amp: DIP-package op-amps (e.g., DIP8) take up 3x more PCB space than SOT23-5, forcing IoT sensors to exceed size limits (e.g., 8mm x 8mm). The SOT23-5 package fixes this. A smart sensor brand shared: ??Our old DIP8 op-amp temperature sensor was 16mm x 16mm-this SOT23-5 model is 5mm x 5mm. We now supply a smart home client who requires 8mm-max modules, expanding our market share by 24%.??

3. Better Battery Compatibility Than High-Voltage Single Op-Amp: High-voltage op-amps (e.g., 5V?C12V) need $0.25 voltage regulators to work with 3.7V lithium-ion batteries, adding cost and size. The 1.8V?C5.5V range eliminates this. A wearable brand confirmed: ??Our old 5V?C12V op-amp fitness band needed a regulator-this model works directly. Per-unit costs dropped by $0.22, and we??ve added 3 new fitness wearable clients who prioritize low-cost designs.??

Typical Applications of STMicroelectronics TSV321RILT

This low-power op-amp excels in IoT and portable B2B designs-proven in these key use cases:

• Internet of Things (IoT) (Wireless Asset Trackers): 0.35mA current extends battery life, compact package fits trackers. An IoT brand confirmed: ??Tracker battery life up by 32%, client maintenance costs down by 32%.??
• Consumer Electronics (Portable Wearables): Small package fits wearables, low voltage works with tiny batteries. A consumer brand reported: ??Wearable size down by 65%, per-unit costs down by $0.22.??
• Industrial Automation (Outdoor Sensors): Rugged temp range resists weather, low power suits solar systems. An industrial brand shared: ??Outdoor sensor uptime hit 99.9%, warranty costs saved $220,000 yearly.??
• Consumer Electronics (Bluetooth Earbuds): Low current extends playtime, compact package saves space. A consumer brand confirmed: ??Earbud battery life up by 28%, PCB space down by 65%.??
• Internet of Things (IoT) (Smart Sensors): Low power works with coin-cell batteries, bandwidth handles sensor data. An IoT brand noted: ??Smart sensor battery life up by 32%, ??inaccurate data?? complaints down by 38%.??

Frequently Asked Questions (FAQ) About STMicroelectronics TSV321RILT

Why is 0.35mA low supply current important for IoT wireless asset trackers?

IoT wireless asset trackers are deployed in remote locations (e.g., shipping containers) and need long battery life to avoid frequent replacements-high-power op-amps (1.2mA) drain batteries in 6 days, increasing maintenance costs. 0.35mA extends life to 13.2 days. An IoT engineer said: ??Our old 1.2mA op-amp tracker needed weekly battery changes-this 0.35mA model needs changes every 2 weeks. Clients save 32% on maintenance, and we??ve retained 4 key logistics clients who previously switched to competitors for longer battery life.??

How does the SOT23-5 package improve smart sensor module design?

Smart sensor modules (e.g., humidity or motion sensors) need to fit in tight spaces (e.g., 8mm x 8mm enclosures) for smart home or industrial use-bulky DIP8 op-amps take up 16mm x 16mm, making modules too large. The SOT23-5 package cuts space to 5mm x 5mm. A sensor brand said: ??Our old DIP8 op-amp module couldn??t fit in smart home devices-this SOT23-5 model fits. We now supply a major smart home brand, and sensor sales rose by 30% in 6 months.??

What value does the 1.8V?C5.5V supply range add for portable wearables?

Portable wearables (e.g., fitness bands) use small 3.7V lithium-ion batteries that discharge to 3.0V-high-voltage op-amps (5V?C12V) fail at 3.0V and need regulators that add cost. The 1.8V?C5.5V range works across the battery??s life without regulators. A wearable brand said: ??Our old 5V?C12V op-amp fitness band needed a $0.25 regulator-this model works directly. Per-unit costs dropped by $0.22, and we??ve added 3 new fitness clients who needed affordable, compact wearables.??

How does the -40??C to +125??C temperature range benefit outdoor industrial sensors?

Outdoor industrial sensors (e.g., pressure sensors) face extreme temperatures-from -38??C (winter in cold regions) to +90??C (summer in factories). Op-amps with narrower ranges (0??C?C85??C) shut down, causing data gaps that disrupt industrial processes. The wide range ensures 24/7 operation. An industrial supplier said: ??Our old 0??C?C85??C op-amp sensor had 11% downtime in winter-this model has 0. Factory clients now get 100% data coverage, and we??ve expanded to 2 new cold-climate industrial regions, boosting revenue by 26%.??

Why is 1.1MHz bandwidth useful for smart sensor signal conditioning?

Smart sensors (e.g., vibration or flow sensors) generate signals up to 8kHz-low-bandwidth op-amps (1MHz) distort signals above 7kHz, leading to ??inaccurate data?? complaints from industrial or smart home users. 1.1MHz bandwidth captures these signals clearly. A smart sensor brand said: ??Our old 1MHz op-amp sensor had 42% ??inaccurate data?? complaints-this 1.1MHz model cuts it to 4%. We now supply 6 industrial clients who need precise sensor data, and smart sensor sales rose by 28%.??