STMicroelectronics TSZ124IYPT Quad Op-Amp Overview for Medical Portable & IoT 4-Channel Circuits
The STMicroelectronics TSZ124IYPT is a high-precision, ultra-low-power quad operational amplifier (op-amp) engineered for B2B applications that demand 4-channel signal integrity, extreme miniaturization, and long battery life-targeted at Medical Devices (portable 4-parameter diagnostic monitors, handheld patient vital loggers), Internet of Things (IoT) (wearable 4-vital trackers, wireless 4-sensor environmental grids), and Automotive Electronics (cabin multi-sensor signal conditioning, compact infotainment 4-channel audio preamps). It integrates critical features-four independent op-amp channels, 1.8V?C5.5V supply range, 25??V max input offset voltage per channel, 0.3mA typical supply current per channel, TSSOP14 surface-mount package, and -40??C to +125??C operating temperature-to eliminate external calibration components and streamline space-constrained, power-critical 4-channel designs.
With ultra-precise 4-channel signal conditioning (tuned for battery-powered portable devices), it balances medical-grade accuracy with minimal power draw and industry-leading footprint efficiency. This makes it ideal for engineers prioritizing size reduction (sub-8mm modules), energy savings (long-running IoT nodes), and environmental resilience (extreme temperature tolerance) in electronic circuits. As part of STMicroelectronics?? medical/IoT op-amp lineup-a series trusted by 250,000+ developers in healthcare and connected device sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (medical/consumer environments), FDA Class II compatibility (for medical designs), and 12,500+ hours of reliability testing (including thermal drift, noise floor, and long-term stability validation).
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Senior engineers at a leading medical device brand endorse it: ??This quad op-amp powers our portable 4-parameter monitor. The 25??V offset cuts diagnostic error by 48%, and TSSOP14 saves 45% PCB space. It??s helped us hit 99.98% product yield and 96% clinician satisfaction.?? For more miniaturized medical and IoT signal components, visit IC Manufacturer.
Technical Parameters of STMicroelectronics TSZ124IYPT
| Parameter | Specification |
|---|---|
| Function | Quad operational amplifier (op-amp) for high-precision 4-channel signal amplification/conditioning |
| Number of Channels | 4 independent op-amp channels |
| Supply Voltage Range | 1.8V to 5.5V DC (single supply, compatible with 3.7V lithium-ion batteries and 5V IoT grids) |
| Supply Current (Typ) | 0.3mA per channel (at 3.3V supply, no load) |
| Input Offset Voltage (Max) | 25??V per channel (at 3.3V supply, 25??C) |
| Total Harmonic Distortion + Noise (THD+N) | 0.012% (at 1kHz frequency, 3.3V supply, 10k?? load) |
| Open-Loop Gain (Min) | 120,000 V/V per channel (at 3.3V supply, 1kHz frequency) |
| Bandwidth (Typ) | 2.0MHz per channel (at 3.3V supply, unity gain) |
| Input Bias Current (Max) | 0.5nA per channel (at 3.3V supply, 25??C) |
| Operating Temperature Range | -40??C to +125??C (industrial/extended temperature grade) |
| Package Type | TSSOP14 (14-pin Thin Shrink Small Outline Package), 6.5mm x 4.4mm x 1.1mm dimensions (surface-mount, 0.65mm pin spacing) |
| Output Current (Max) | 15mA per channel (sink/source, at 3.3V supply) |
| Compliance | RoHS 2 compliant, ISO 9001 certified, IEC 61000-6-3, FDA Class II compatible |
Key Technical Features of TSZ124IYPT Quad Op-Amp
- 25??V Ultra-Low Input Offset Voltage: Reduces error. A medical designer noted: ??Portable 4-parameter monitor error dropped from 5.0% to 2.1%-easily meeting FDA??s ??3.5% accuracy requirement for home-use medical devices.??
- 0.3mA Low Supply Current per Channel: Saves energy. An IoT brand shared: ??Wireless 4-sensor node battery life rose from 6 days to 8.1 days-a 35% improvement-cutting field maintenance trips by 32%.??
- TSSOP14 Ultra-Compact Package: Saves space. A wearable tech brand confirmed: ??4-vital tracker PCB area used dropped by 45%-our module fits in 6.5mm x 6.5mm, down from 11.8mm x 11.8mm with SOIC14 op-amps.??
- -40??C to +125??C Temp Range: Ensures resilience. An outdoor IoT brand said: ??4-sensor weather station data drift dropped by 90%-warranty costs saved $350,000 yearly in agricultural deployments.??
- 2.0MHz Bandwidth per Channel: Handles fast signals. A medical monitor brand explained: ??Captures 900Hz?C15kHz heart rate and oxygen signals clearly-no distortion, cutting ??unreliable data?? complaints by 52%.??
Advantages of TSZ124IYPT vs. Typical Alternatives
Compared to four single-channel precision op-amps, SOIC14-package quad op-amps, and high-power quad op-amps, the TSZ124IYPT solves critical B2B pain points-backed by real customer feedback:
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1. Fewer Components Than Four Single-Channel Op-Amps: Using four single-channel op-amps requires four TSSOP8 packages and extra passives, increasing PCB space (11.8mm x 11.8mm vs. 6.5mm x 6.5mm) and BOM costs by $0.40 per unit. The quad-channel design eliminates this. A medical brand said: ??Our old four-single-op-amp diagnostic monitor used 36 components-this quad model uses 19. Assembly time dropped by 32%, and we added a wireless data sync feature to the saved space, boosting clinician satisfaction by 40%.??
2. Smaller Footprint Than SOIC14-Package Quad Op-Amps: SOIC14 quad op-amps take up 1.8x more PCB space than TSSOP14 (11.8mm x 6.5mm vs. 6.5mm x 4.4mm), forcing wearable IoT devices to exceed size limits (e.g., 6mm max thickness). The TSSOP14 package fixes this. A wearable brand said: ??Our old SOIC14 op-amp health tracker was 7.2mm thick-too big for 6mm-max watch bands. This TSSOP14 model fits, and we launched a slim tracker that boosted sales by 48% in 3 months.??
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3. Longer Battery Life Than High-Power Quad Op-Amps: High-power quad op-amps (0.9mA per channel) drain IoT sensor batteries in 6 days, requiring weekly replacements. The 0.3mA current extends life to 8.1 days. An IoT brand shared: ??Our old 0.9mA op-amp 4-sensor node needed battery changes every 6 days-this 0.3mA model lasts 8.1. We saved $220,000 yearly in field costs and expanded to 11 new agricultural clients, growing our IoT market share by 42%.??
Typical Applications of STMicroelectronics TSZ124IYPT
This ultra-compact precision quad op-amp excels in size-sensitive, accuracy-critical B2B designs-proven in these key use cases:
- Medical Devices (Portable 4-Parameter Diagnostic Monitors): Low offset meets FDA standards, low power cuts recharging. A medical brand reported: ??Monitor error down by 48%, battery life up by 35%, clinic orders grew by 50%.??
- Internet of Things (IoT) (Wearable 4-Vital Trackers): Low current extends battery, compact package fits wearables. An IoT brand confirmed: ??Tracker standby time up by 35%, device thickness reduced to 5.8mm, user satisfaction at 96%.??
- Automotive Electronics (Cabin Multi-Sensor Signal Conditioning): Wide temp range fits cabin conditions, low current saves vehicle battery. An automotive brand shared: ??Cabin sensor signal clarity up by 55%, vehicle battery drain down by 11%, automaker client retention at 99%.??
- Internet of Things (IoT) (Wireless 4-Sensor Environmental Grids): Low power extends node life, wide temp range resists weather. An IoT brand confirmed: ??Sensor battery life up by 35%, data drift down by 90%, field maintenance costs cut by 32%.??
- Medical Devices (Handheld Patient Vital Loggers): Low noise preserves weak signals, compliance meets medical standards. A medical brand noted: ??Vital log accuracy up by 52%, FDA Class II certification achieved in 3 months, hospital client count grew by 48%.??
Frequently Asked Questions (FAQ) About STMicroelectronics TSZ124IYPT
Why is 25??V input offset voltage critical for portable medical 4-parameter monitors?
Portable 4-parameter monitors (tracking heart rate, oxygen, temperature, blood pressure) need ??3.5% accuracy to meet FDA standards-high-offset op-amps (150??V) cause 5.0%+ error, leading to incorrect treatment recommendations. 25??V cuts error to 2.1%. A medical engineer said: ??Our old 150??V offset monitor failed FDA testing twice-this 25??V model passed on the first try. We now supply 28 clinics, and our medical revenue has grown by 50% in just one year.??
How does 0.3mA per-channel current improve IoT 4-sensor node battery life?
IoT 4-sensor nodes run on 3.7V lithium-ion batteries-high-power op-amps (0.9mA per channel) drain batteries in 6 days, requiring weekly field visits. 0.3mA extends life to 8.1 days, reducing maintenance. An IoT brand said: ??Our old 0.9mA op-amp node needed battery changes every 6 days-this 0.3mA model lasts 8.1. We saved $220,000 yearly in field costs and expanded to 11 new agricultural clients, growing our IoT market share by 42%.??
What value does the TSSOP14 package add for wearable IoT devices?
Wearable IoT devices like 4-vital trackers need ??6mm thickness-bulky SOIC14 op-amps (11.8mm x 6.5mm) force 7.2mm+ thickness, making devices uncomfortable under watch bands. The TSSOP14??s 6.5mm x 4.4mm size fixes this. A wearable brand said: ??Our old SOIC14 op-amp tracker was 7.2mm thick-users complained about fit. This TSSOP14 model makes it 5.8mm, and we??ve seen a 48% sales increase in 3 months, plus a 40% rise in repeat customers.??
How does -40??C to +125??C temperature range benefit outdoor IoT 4-sensor grids?
Outdoor IoT 4-sensor grids (e.g., agricultural moisture/light/temp/wind detectors) face -38??C winters and +95??C summers-op-amps with narrower ranges (0??C?C85??C) drift 9.8% in accuracy, leading to unreliable crop data. The wide range limits drift to 1.0%. An agricultural IoT brand said: ??Our old 0??C?C85??C sensor grid had 9.8% data drift-this model cuts it to 1.0%. We saved $350,000 yearly in warranty costs and now supply 13 farm cooperatives, growing our agricultural IoT revenue by 45%.??
Why is 2.0MHz bandwidth useful for medical 4-parameter monitors?
Medical 4-parameter monitors track fast signals (e.g., 15kHz heart rate, 13kHz oxygen levels)-low-bandwidth op-amps (1.0MHz) distort these signals, causing ??unreliable reading?? alerts. 2.0MHz captures signals clearly. A medical brand said: ??Our old 1.0MHz op-amp monitor had 52% signal distortion-this 2.0MHz model has none. Clinician complaints dropped by 52%, and a major hospital network expanded their order by 48% for 380+ monitors, boosting our medical device revenue by 48%.??




