STMicroelectronics LM158DT Dual Op-Amp, SOIC8 Package for Industrial & Home Appliance Signal Conditioning

STMicroelectronics LM158DT Dual Op-Amp Overview for Versatile Industrial & Home Appliance Circuits

The STMicroelectronics LM158DT is a robust, versatile dual operational amplifier (op-amp) engineered for B2B applications that demand multi-channel signal processing, broad voltage compatibility, and cost-effective manufacturing-targeted at Industrial Automation (low-cost process control circuits, 2-sensor measurement tools), Home Appliances (refrigerator temperature sensors, washing machine motor control), and Consumer Electronics (portable diagnostic devices, smart home humidity monitors). It integrates critical features-two independent op-amp channels, 3V?C32V wide supply range, 0.8mA max supply current per channel, 2mV max input offset voltage per channel, SOIC8 surface-mount package, and 0??C to +70??C operating temperature-to eliminate external voltage conversion components and streamline versatile, budget-friendly 2-channel designs.

With wide-voltage dual-channel signal amplification (tuned for compatibility with diverse power systems), it balances reliable signal conditioning with broad application flexibility and high-volume assembly efficiency. This makes it ideal for engineers prioritizing voltage versatility (no need for multiple power regulators), cost-effectiveness (fits mass-produced home appliances), and assembly reliability (SOIC8??s compatibility with standard pick-and-place machines) in electronic circuits. As part of STMicroelectronics?? general-purpose op-amp lineup-a series trusted by 242,000+ developers in industrial and consumer sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (industrial/consumer environments), and 7,800+ hours of reliability testing (including voltage stability, load transient, and noise floor validation).

Senior engineers at a leading home appliance brand endorse it: ??This dual op-amp powers our refrigerator temperature and humidity sensors. The 3V?C32V range works with our 12V system, and SOIC8 cuts defects by 15%. It??s helped us hit 99.92% product yield and 93% customer satisfaction.?? For more versatile industrial and home appliance components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics LM158DT

Key Technical Features of LM158DT Dual Op-Amp

• 3V?C32V Wide Supply Range: Boosts versatility. A home appliance designer noted: ??Works with our 12V refrigerator power and 24V washing machine systems-no voltage converters, cutting BOM costs by $0.35 per unit.??
• 0.8mA Low Current per Channel: Saves energy. An appliance brand shared: ??Refrigerator power use dropped by 8%-end users report $12?C$15 yearly savings on energy bills, boosting product appeal.??
• SOIC8 Package: Eases high-volume production. A PCB manufacturer confirmed: ??SOIC8??s 1.27mm pin spacing cuts soldering defects by 15% vs. DIP8, letting us assemble 650+ appliance PCBs daily (up from 580).??
• 2mV Low Input Offset Voltage per Channel: Reduces error. An industrial brand said: ??Process control sensor error dropped from 3% to 1.2%-our manufacturing yield improved by 2.8%, saving $95,000 yearly in waste.??
• 1MHz Bandwidth per Channel: Handles common signals. A smart home brand explained: ??Captures 50Hz?C8kHz sensor signals (temperature, humidity) clearly-no distortion, cutting ??unreliable reading?? complaints by 38%.??

Advantages of LM158DT vs. Typical Alternatives

Compared to narrow-voltage dual op-amps, high-power dual op-amps, and bulky DIP8-package dual op-amps, the LM158DT solves critical B2B pain points-backed by real customer feedback:

1. More Versatile Than Narrow-Voltage Dual Op-Amp: Narrow-voltage op-amps (e.g., 3.3V?C5V) need $0.40 voltage converters for 12V/24V home appliances, increasing costs. The 3V?C32V range eliminates this. A home appliance brand said: ??Our old 3.3V?C5V op-amp needed a converter for 12V refrigerators-this model doesn??t. Per-unit costs dropped by $0.35, and we saved $210,000 yearly on 600,000+ units. We now supply 3 major appliance retailers, expanding market share by 29%.??

2. Lower Power Than High-Power Dual Op-Amp: High-power op-amps (e.g., 2mA per channel) increase energy use in always-on appliances (refrigerators), raising end-user bills. The 0.8mA low current cuts waste. A consumer appliance brand shared: ??Our old 2mA op-amp refrigerator used 8% more energy-this 0.8mA model fixes that. End users report $12?C$15 yearly savings, and our refrigerator sales rose by 26% in 6 months.??

3. Faster Production Than DIP8-Package Dual Op-Amp: DIP8 packages require manual insertion (slowing high-volume assembly) and have 22% more soldering defects than SOIC8. The SOIC8 package speeds production. An industrial electronics brand confirmed: ??We used to assemble 580 DIP8 op-amp PCBs daily-this SOIC8 model lets us do 650. Production capacity rose by 12%, and we now meet 100% of delivery deadlines for a manufacturing client, securing a $1.5M annual contract.??

Typical Applications of STMicroelectronics LM158DT

This versatile dual op-amp excels in cost-sensitive, multi-voltage B2B designs-proven in these key use cases:

• Home Appliances (Refrigerator Temperature-Humidity Sensors): Wide voltage fits 12V systems, low current cuts energy use. An appliance brand confirmed: ??Refrigerator energy use down by 8%, end-user satisfaction up by 24%.??
• Industrial Automation (Low-Cost Process Control Circuits): Low offset ensures accuracy, wide voltage fits 5V grids. An industrial brand reported: ??Control circuit error down by 1.8%, manufacturing waste saved $95,000 yearly.??
• Consumer Electronics (Portable Diagnostic Tools): Compact package fits handheld designs, low current extends battery life. A consumer brand shared: ??Diagnostic tool runtime up by 15%, PCB size down by 18%.??
• Home Appliances (Washing Machine Motor Control): Wide voltage fits 24V systems, high gain ensures stable motor performance. An appliance brand confirmed: ??Washing machine motor vibration down by 32%, repair rates dropped by 19%.??
• Industrial Automation (2-Sensor Measurement Tools): Dual channels reduce component count, SOIC8 eases assembly. An industrial brand noted: ??Measurement tool BOM costs down by $0.35 per unit, production speed up by 12%.??

Frequently Asked Questions (FAQ) About STMicroelectronics LM158DT

Why is 3V?C32V supply range important for home appliances?

Home appliances use diverse voltages-refrigerators use 12V, washing machines use 24V, and small devices use 5V. Narrow-voltage op-amps need converters for each, raising costs. The 3V?C32V range works with all. An appliance engineer said: ??Our old 3.3V?C5V op-amp needed a $0.40 converter for 12V fridges-this model doesn??t. We cut per-unit costs by $0.35, saving $210,000 yearly on 600,000 units. We now supply 3 major retailers, growing market share by 29%.??

How does 0.8mA per channel current benefit always-on home appliances?

Always-on appliances (refrigerators) run 24/7-high-power op-amps (2mA per channel) waste energy, raising end-user bills. 0.8mA cuts power use by 8%. A consumer brand said: ??Our old 2mA op-amp fridge used 8% more energy-this 0.8mA model uses less. End users save $12?C$15 yearly, and our fridge sales rose by 26% in 6 months. We now rank top 3 in energy-efficient appliance ratings.??

What value does the SOIC8 package add for high-volume appliance production?

High-volume appliance production relies on automated pick-and-place machines-DIP8 packages need manual insertion (slow) and have 22% defects vs. SOIC8??s 7%. SOIC8 speeds assembly. A production manager said: ??We used to assemble 580 DIP8 op-amp PCBs daily-this SOIC8 model lets us do 650. Production capacity rose by 12%, and we meet 100% of delivery deadlines. A client extended their contract by 3 years, adding $4.5M in revenue.??

How does 2mV input offset voltage improve industrial process control?

Industrial process control sensors (e.g., pressure, flow) need accurate amplification-high-offset op-amps (5mV) cause 3% error, leading to material waste. 2mV cuts error to 1.2%. An industrial technician said: ??Our old 5mV offset op-amp caused 3% process waste-this 2mV model cuts it to 1.2%. We saved $95,000 yearly in material costs, and a manufacturing plant increased their order by 32% for 1,800+ control modules.??

Why is 0??C to +70??C temperature range suitable for indoor applications?

Indoor applications (home appliances, climate-controlled factories) stay within 0??C?C70??C-wider-range op-amps cost 30% more but offer no extra value. This range balances performance and cost. A home appliance brand said: ??Our fridges and washers operate at 5??C?C40??C-this op-amp??s range fits perfectly. We avoid paying 30% more for wide-range models, cutting BOM costs by $0.22 per unit. This lets us price our appliances competitively, boosting sales by 24%.??