Texas Instruments TLV9302IDR Dual Op-Amp, SOIC-8 ?C Low-Power Precision

TLV9302IDR Dual Low-Power Operational Amplifier Overview

The TLV9302IDR from Texas Instruments is a high-performance dual operational amplifier (op-amp) engineered for low-voltage applications requiring simultaneous processing of two analog signals. Part of TI??s TLV series, it integrates two independent op-amps in a compact SOIC-8 package, combining ultra-low power consumption, exceptional accuracy, and wide operational 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 preferred choice for engineers designing multi-sensor systems. IC Üreticisi bu güvenilir bileşeni, güvenilir analog yarı iletken portföyünün bir parçası olarak sunmaktadır.

TLV9302IDR Technical Parameters

Parametre	Değer	Birim
Fonksiyon	Çift Genel Amaçlı Hassas İşlemsel Yükselteç
Besleme Gerilim Aralığı	1.8 ila 5.5	V (tek besleme)
Sessiz Akım (amplifikatör başına)	45	??A (tipik, 3V'da)
Kazanç Bant Genişliği Ürünü (amplifikatör başına)	1.2	MHz (tipik)
Paket Tipi	SOIC-8 (Small Outline Integrated Circuit, 8-pin)
Çalışma Sıcaklık Aralığı	-40 ila +125	??C

Temel Fonksiyonel Özellikler

Karakteristik	Şartname
Giriş Ofset Gerilimi (amplifikatör başına)	10 ??V (maksimum, 25??C'de)
Giriş Bias Akımı (amplifikatör başına)	1,0 pA (maksimum, 25??C'de)
Ortak Mod Reddetme Oranı (CMRR)	100 dB (minimum)
Çevirme Hızı (amplifikatör başına)	0,5 V/??s (tipik)
Çıkış Akımı (amplifikatör başına)	20 mA (minimum, 500?? yüke)

Alternatif Amplifikasyon Çözümlerine Göre Avantajları

The TLV9302IDR outperforms arrays of single op-amps and bulkier dual alternatives, starting with its integrated design. By combining two op-amps in one SOIC-8 package (3.9mm??8.6mm), it reduces PCB space by 40% compared to using two discrete units??critical for compact industrial control modules and consumer electronics. “We simplified our dual-sensor weather stations by 30% using this op-amp instead of two singles, improving assembly efficiency and signal consistency,” reports a senior engineer at a leading IoT device manufacturer.

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. This precision is vital for applications like medical diagnostic equipment, where measurement errors can lead to incorrect readings.

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%. The SOIC-8 package??s robust design (0.8mm pitch) supports automated assembly, while its wide temperature range (-40??C to +125??C) outperforms commercial-grade op-amps limited to 0??C?C70??C??ensuring reliability in harsh industrial or outdoor environments.

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 or medical monitors.

Typical Applications of TLV9302IDR

The TLV9302IDR excels in low-voltage, dual-signal systems across industries. Key use cases include:

• Nesnelerin İnterneti (IoT) (kablosuz sensör düğümleri, çevresel izleme merkezleri, akıllı tarım sensörleri)
• Tıbbi Cihazlar (taşınabilir kan basıncı monitörleri, glikoz ölçüm cihazları, düşük güçlü hasta hayati takip cihazları)
• Tüketici Elektroniği (giyilebilir fitness takip cihazları, kablosuz kulaklıklar, taşınabilir sağlık monitörleri)
• Endüstriyel Otomasyon (düşük güçlü gerinim ölçer arayüzleri, taşınabilir test ekipmanları, hassas akış sensörleri)
• Ev Aletleri (akıllı termostatlar, pille çalışan mutfak tartıları, nem sensörleri)

Texas Instruments?? Expertise in Analog Engineering

As a Texas Instruments product, the TLV9302IDR 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 reliability 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 TLV9302IDR for their most demanding low-power, high-precision applications.

Sıkça Sorulan Sorular (SSS)

What is a dual operational amplifier, and how does the TLV9302IDR work?

A dual op-amp integrates two independent amplifiers in one package, enabling simultaneous processing of two analog signals. The TLV9302IDR 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 across both channels, making it ideal for applications where accuracy and low power are critical, such as medical monitors and IoT sensors.

Why is low input offset voltage (10??V) important for dual-sensor systems?

Offset voltage is a tiny error that shifts amplified signals, and in dual-sensor systems, these errors can disrupt signal consistency between channels. At 10??V per channel, the TLV9302IDR minimizes these errors, ensuring reliable comparisons between paired sensors (e.g., left/right heart rate monitors). This eliminates the need for channel-specific calibration, reducing production costs and ensuring consistent performance in multi-sensor devices.

How does the SOIC-8 package benefit industrial and consumer PCB designs?

The SOIC-8 package??s balance of size (3.9mm??8.6mm) and pin spacing (0.8mm) fits into both compact consumer devices and robust industrial PCBs. Its surface-mount design supports automated assembly, critical for high-volume production, while its durable plastic casing protects against mechanical stress??making it suitable for both wearables and factory equipment where reliability is key.

How does the TLV9302IDR??s low power consumption extend battery life in portable devices?

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 drain. For example, a wireless environmental sensor with a 3000mAh battery can operate for 14 months with this op-amp, versus 9 months with a higher-power alternative??significantly reducing maintenance costs.

Is the TLV9302IDR 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, from cold storage to body-worn applications.