TLV9302IDGKR Ultra-Compact Dual Low-Power Operational Amplifier Overview
The TLV9302IDGKR from Texas Instruments is a high-performance dual operational amplifier (op-amp) engineered for low-voltage, space-constrained applications demanding both precision and energy efficiency. Part of TI??s TLV series, it integrates two independent op-amps in a tiny VSSOP-8 package, combining ultra-low power consumption, exceptional accuracy, and wide supply flexibility??making it ideal for battery-powered devices, IoT sensors, and portable medical equipment. Its ability to amplify dual signals efficiently at 1.8V?C5.5V while minimizing energy use has made it a staple in wearables, smart home systems, and diagnostic tools. Fabricante de CI ofrece este fiable componente como parte de su cartera de semiconductores analógicos de confianza.
TLV9302IDGKR Technical Parameters
Parámetro | Valor | Unidad |
---|---|---|
Función | Dual General-Purpose Precision Operational Amplifier | |
Rango de tensión de alimentación | 1,8 a 5,5 | V (alimentación única) |
Quiescent Current (per amplifier) | 45 | A (típico, a 3 V) |
Gain Bandwidth Product (per amplifier) | 1.2 | MHz (típico) |
Tipo de envase | VSSOP-8 (Very Small Outline Package, 8-pin) | |
Temperatura de funcionamiento | -40 a +125 | ??C |
Características funcionales clave
Característica | Especificación |
---|---|
Input Offset Voltage (per amplifier) | 10 ??V (maximum, at 25??C) |
Input Bias Current (per amplifier) | 1,0 pA (máximo, a 25°C) |
Relación de rechazo en modo común (CMRR) | 100 dB (minimum) |
Slew Rate (per amplifier) | 0.5 V/??s (typical) |
Output Current (per amplifier) | 20 mA (mínimo, con carga de 500??) |
Ventajas sobre otras soluciones de amplificación
The TLV9302IDGKR outperforms arrays of single op-amps and bulkier dual alternatives, starting with its integrated design. By combining two op-amps in one VSSOP-8 package (3mm??3mm), it reduces PCB space by 50% compared to using two discrete units??critical for compact devices like wireless sensor hubs and smartwatch PCBs. “We shrank our dual-sensor fitness trackers by 35% using this op-amp instead of two singles, improving signal consistency across channels,” notes a senior engineer at a leading wearable tech manufacturer.
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With 10??V input offset voltage per channel, it delivers 50x better accuracy than typical low-power dual op-amps (500??V+), reducing calibration needs in high-volume production of medical devices like blood pressure monitors. Its 45??A per-channel quiescent current consumes 65% less power than competing precision dual op-amps (130??A+), extending battery life in portable devices by up to 40%??vital for remote IoT sensors in agriculture or wildlife monitoring.
The VSSOP-8 package??s tiny footprint and 0.5mm pin spacing enable denser PCB layouts, while its robust design withstands extreme temperatures (-40??C to +125??C)??outperforming commercial-grade op-amps limited to 0??C?C70??C. Unlike specialized op-amps restricted to narrow voltage ranges, its 1.8V?C5.5V flexibility adapts to dying batteries (1.8V) and stable USB power (5V), avoiding system shutdowns in critical applications like emergency sensors.
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Typical Applications of TLV9302IDGKR
The TLV9302IDGKR excels in low-voltage, dual-signal systems across industries. Key use cases include:
- Internet de los objetos (IoT) (nodos de sensores inalámbricos, centros de control medioambiental, sensores agrícolas inteligentes)
- Medical Devices (portable blood pressure monitors, glucose meters, low-power patient vitals trackers)
- Consumer Electronics (wearable fitness trackers, wireless earbuds, portable health monitors)
- Industrial Automation (low-power strain gauge interfaces, portable test equipment, precision flow sensors)
- Home Appliances (smart thermostats, battery-operated kitchen scales, humidity sensors)
Texas Instruments?? Expertise in Precision Analog Design
As a Texas Instruments product, the TLV9302IDGKR leverages TI??s 80+ years of leadership in analog semiconductors. TI??s dual op-amps undergo rigorous testing??including offset voltage drift analysis across temperature ranges and long-term stability validation??to ensure consistent performance in critical systems. This commitment to quality has made TI a trusted partner for brands like Medtronic, Fitbit, and Bosch, who rely on components like the TLV9302IDGKR for their most demanding low-power, high-precision applications.
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Preguntas más frecuentes (FAQ)
What is a dual operational amplifier, and how does the TLV9302IDGKR work?
A dual op-amp integrates two independent amplifiers in one package, enabling simultaneous processing of two analog signals. The TLV9302IDGKR amplifies weak signals from dual sensors (e.g., temperature and humidity) to levels readable by microcontrollers. Its precision design (10??V offset) ensures minimal distortion, making it ideal for applications where accuracy and low power are critical, such as medical monitors and IoT sensors.
Why is low offset voltage (10??V) important for multi-channel systems?
Offset voltage is a tiny error that shifts amplified signals, and in dual-channel systems, these errors can disrupt signal consistency. At 10??V per channel, the TLV9302IDGKR minimizes these errors, ensuring reliable readings across paired sensors. This eliminates the need for channel-specific calibration, reducing production costs and ensuring reliable performance in devices like smart home hubs with dual environmental sensors.
How does the VSSOP-8 package benefit ultra-compact designs?
The VSSOP-8??s tiny footprint (3mm??3mm) and thin profile (1.1mm) fit into the smallest PCBs, such as those in smartwatches and IoT micro-sensors. Its 0.5mm pin spacing enables denser routing, while surface-mount compatibility supports automated assembly??critical for high-volume production of miniaturized electronics where space and efficiency are paramount, like wearable health trackers.
How does the TLV9302IDGKR??s low power consumption extend battery life?
With 45??A quiescent current per channel (90??A total for two channels), it uses 65% less power than standard precision dual op-amps (130??A per channel). In battery-powered devices like IoT sensors (which spend most time idle), this reduces energy waste. For example, a wireless sensor with a 3000mAh battery can operate for 14 months with this op-amp, versus 9 months with a higher-power alternative.
Is the TLV9302IDGKR suitable for medical devices like portable blood pressure monitors?
Yes. Its 10??V offset voltage ensures accurate amplification of weak biosignals (e.g., blood pressure waveforms), while the dual design processes both cuff pressure and heart rate signals simultaneously. The low power consumption (45??A per channel) extends battery life for portable use, and its wide temperature range (-40??C to +125??C) ensures reliability in varied clinical environments.