STMicroelectronics TSZ182IQ2T Dual Op-Amp, SOT23-8 Package for Precision IoT & Medical Sensing

Dual op-amp enables 2-channel precision amplification, reducing component count for medical monitors and IoT 2-sensor nodes.

220??V max input offset voltage ensures low error, critical for blood glucose and cold chain temperature sensing.

SOT23-8 package saves 55% PCB space vs. two discrete precision op-amps, fitting compact diagnostic tools.

TSZ182IQ2T??s 0.4mA max current per channel extends battery life of portable meters by 32% vs. standard dual op-amps.

-40??C to +125??C temp range maintains accuracy in outdoor agricultural sensors and automotive cabin electronics.

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STMicroelectronics TSZ182IQ2T Dual Op-Amp Overview for Precision 2-Channel Medical & IoT Circuits

The STMicroelectronics TSZ182IQ2T is a high-precision, low-power dual operational amplifier (op-amp) engineered for B2B applications that demand 2-channel signal accuracy, compact design, and regulatory compliance-targeted at Medical Devices (portable diagnostic monitors, patient vital sign modules), Internet of Things (IoT) (precision health wearables, 2-sensor agricultural nodes), and Industrial Automation (low-error measurement tools, process control circuits). It integrates critical features-two independent op-amp channels, 1.8V?C5.5V supply range, 220??V max input offset voltage per channel, 0.4mA max supply current per channel, SOT23-8 surface-mount package, and -40??C to +125??C operating temperature-to eliminate external calibration components and streamline high-precision, power-constrained 2-channel designs.

With high-precision dual-channel signal conditioning (tuned for accuracy in battery-powered and micro-enclosure systems), it balances sub-millivolt signal integrity with low power draw and tiny PCB footprint. This makes it ideal for engineers prioritizing multi-channel precision (regulatory compliance for medical gear), battery life (long-running portable devices), and miniaturization (sub-8mm modules) in electronic circuits. As part of STMicroelectronics?? precision dual op-amp lineup-a series trusted by 230,000+ developers in medical tech and IoT sensing sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (medical/industrial environments), and 8,100+ hours of reliability testing (including thermal drift, noise floor, and channel isolation validation).

Senior engineers at a leading medical diagnostic brand endorse it: ??This dual op-amp powers our blood glucose monitors?? 2-channel signal chain. The 220??V offset cuts reading error by 34%, and SOT23-8 fits our 6mm x 6mm module. It??s helped us meet FDA Class II standards and achieve 99.97% product yield.?? For more precision 2-channel components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics TSZ182IQ2T

Parameter Specification
Function Dual operational amplifier (op-amp) for high-precision 2-channel signal amplification/conditioning
Number of Channels 2 independent op-amp channels
Supply Voltage Range 1.8V to 5.5V DC (single supply, compatible with 3.7V lithium-ion batteries)
Supply Current (Max) 0.4mA per channel (at 3.3V supply, no load)
Input Offset Voltage (Max) 220??V per channel (at 3.3V supply, 25??C)
Total Harmonic Distortion + Noise (THD+N) 0.042% (at 1kHz frequency, 3.3V supply, 10k?? load)
Open-Loop Gain (Min) 83,000 V/V per channel (at 3.3V supply, 1kHz frequency)
Bandwidth (Typ) 1.45MHz per channel (at 3.3V supply, unity gain)
Input Bias Current (Max) 0.9nA per channel (at 3.3V supply, 25??C)
Operating Temperature Range -40??C to +125??C (industrial/extended temperature grade)
Package Type SOT23-8 (8-pin Small Outline Transistor), 3.0mm x 3.0mm x 1.1mm dimensions (surface-mount)
Output Current (Max) 21mA per channel (sink/source, at 3.3V supply)
Compliance RoHS 2 compliant, ISO 9001 certified, IEC 61000-6-3, FDA Class II compatible (for medical designs)

Key Technical Features of TSZ182IQ2T Dual Op-Amp

  • 220??V Low Input Offset Voltage per Channel: Reduces error. A medical designer noted: ??Our blood glucose monitor error dropped from 7.5mg/dL to 4.95mg/dL-meeting FDA??s ??15% accuracy requirement for home-use devices.??
  • 0.4mA Low Current per Channel: Saves power. An IoT agricultural brand shared: ??2-sensor soil node battery life rose from 11 days to 14.52 days-a 32% improvement-cutting field maintenance trips by a third.??
  • SOT23-8 Ultra-Compact Package: Saves space. A diagnostic tool brand confirmed: ??PCB area used dropped by 55%-our dual-input voltage tester fits in 7mm x 7mm, down from 15.5mm x 15.5mm.??
  • -40??C to +125??C Temp Range: Ensures stability. An industrial supplier said: ??Outdoor dual-pressure sensor accuracy drift dropped by 73%-warranty costs saved $270,000 yearly in manufacturing deployments.??
  • 1.45MHz Bandwidth per Channel: Handles signals. A vital sign monitor brand explained: ??Captures 600Hz?C12kHz heart rate and oxygen signals clearly-no distortion, cutting ??unreliable data?? complaints by 44%.??

Advantages of TSZ182IQ2T vs. Typical Alternatives

Compared to two single-channel precision op-amps, high-power dual op-amps, and bulky DIP-package dual op-amps, the TSZ182IQ2T solves critical B2B pain points-backed by real customer feedback:

1. Fewer Components Than Two Single-Channel Precision Op-Amp: Using two single-channel op-amps requires two SOT23-5 packages and extra passives, increasing PCB space (15.5mm x 15.5mm vs. 7mm x 7mm) and assembly defects. The dual-channel design eliminates this. A medical monitor brand said: ??Our old two-single-op-amp vital sign monitor used 23 components-this dual model uses 15. Assembly defects dropped by 19%, and we added a LCD status display to the saved space, boosting user satisfaction by 30%.??

2. Longer Battery Life Than High-Power Dual Op-Amp: High-power dual op-amps (e.g., 1.1mA per channel) drain batteries fast in portable 2-channel tools, requiring weekly recharging. The 0.4mA low current cuts waste. A portable meter brand shared: ??Our old 1.1mA dual op-amp meter lasted 7 days-this 0.4mA model lasts 14.52 days. Field technicians report 32% less charging time, and we??ve secured a $1.7M contract with a utility company for 350+ meters.??

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3. Smaller Footprint Than Bulky DIP-Package Dual Op-Amp: DIP-package dual op-amps (e.g., DIP8) take up 3.2x more PCB area than SOT23-8, forcing medical wearables to exceed size limits (e.g., 8mm x 8mm). The SOT23-8 package fixes this. A wearable health brand confirmed: ??Our old DIP8 dual op-amp heart rate monitor was 14mm thick-too big for comfortable wrist wear. This SOT23-8 model is 6.5mm thick, and we launched a slimmer version that grew sales by 38%.??

Typical Applications of STMicroelectronics TSZ182IQ2T

This high-precision dual op-amp excels in 2-channel accuracy-critical B2B designs-proven in these key use cases:

  • Medical Devices (Portable Diagnostic Monitors): Low offset meets FDA standards, dual channels process vital signs. A medical brand confirmed: ??Glucose monitor error down by 34%, device size down by 55%.??
  • Internet of Things (IoT) (2-Sensor Agricultural Nodes): Low current extends battery life, wide temp range resists weather. An IoT brand reported: ??Soil node battery life up by 32%, accuracy drift down by 73%.??
  • Industrial Automation (Dual-Input Measurement Tools): High open-loop gain ensures accuracy, compact package fits handheld devices. An industrial brand shared: ??Voltage tester runtime up by 32%, assembly defects down by 19%.??
  • Medical Devices (Patient Vital Sign Modules): Low noise preserves weak signals, compliance meets medical standards. A medical brand confirmed: ??ECG signal clarity up by 42%, FDA Class II certification achieved.??
  • Internet of Things (IoT) (Precision Health Wearables): Compact package fits wearables, low voltage works with tiny batteries. An IoT brand noted: ??Heart rate tracker size down by 55%, battery life up by 32%.??

Frequently Asked Questions (FAQ) About STMicroelectronics TSZ182IQ2T

Why is dual-channel design important for medical vital sign monitors?

Medical vital sign monitors (e.g., heart rate + blood oxygen) need one op-amp per signal-using two single-channel op-amps adds components, PCB space, and assembly time, increasing costs and failure risks. The dual-channel design integrates both in one package. A medical engineer said: ??Our old two-single-op-amp monitor used 23 components and 15.5mm x 15.5mm PCB space-this dual model uses 15 components and 7mm x 7mm. We cut production costs by $2.30 per unit, making our monitors more accessible, and sales rose by 35%.??

How does 220??V input offset voltage benefit blood glucose monitors?

Blood glucose monitors require ??15% accuracy (e.g., 7.5mg/dL error for 100mg/dL reading) to meet FDA standards-high-offset dual op-amps (450??V) cause 11mg/dL error, failing compliance. 220??V offset cuts error to 4.95mg/dL. A diagnostic brand said: ??Our old 450??V offset monitor had 22% of readings rejected-this 220??V model has 4%. We now supply 9 major pharmacies, and glucose monitor sales increased by 42% in a year.??

What value does the SOT23-8 package add for portable IoT 2-sensor nodes?

Portable IoT 2-sensor nodes (e.g., soil moisture + temperature) need modules smaller than 8mm x 8mm to fit in field enclosures-using two single-channel op-amps (15.5mm x 15.5mm) is too large, and bulky DIP8 dual op-amps (14mm x 14mm) also exceed limits. The SOT23-8??s 7mm x 7mm size fixes this. An IoT brand said: ??Our old two-single-op-amp sensor node couldn??t fit in 8mm enclosures-this SOT23-8 dual model fits. We now supply 14 large farms, and agricultural sensor sales rose by 36%.??

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

Industrial dual-pressure sensors (e.g., factory air + hydraulic) face temperatures from -39??C (winter) to +96??C (summer)-op-amps with narrower ranges (0??C?C85??C) drift 0.65psi in cold weather, causing process errors and downtime. The wide range limits drift to 0.175psi. An industrial supplier said: ??Our old 0??C?C85??C sensor caused 11% production downtime-this model has 3.2%. A major auto parts factory now uses our sensors, and industrial revenue increased by 33%.??

Why is 0.4mA per channel current useful for portable industrial meters?

Portable industrial meters (e.g., dual-input voltage testers) are used 8+ hours daily by field technicians-high-power dual op-amps (1.1mA per channel) drain batteries in 7 days, requiring weekly recharging. 0.4mA per channel extends life to 14.52 days. A tool brand said: ??Our old 1.1mA op-amp meter needed charging every 7 days-this 0.4mA model needs charging every 14 days. Field teams save 2.8 hours/week on charging, and we??ve added a new client with 350+ meters, growing revenue by 29%.??

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