LMV324IPWR Ultra-Compact Quad Low-Voltage Operational Amplifier Overview
The LMV324IPWR from Texas Instruments is a high-performance quad operational amplifier (op-amp) engineered for low-voltage, space-constrained applications requiring simultaneous processing of four signals. Part of TI??s LMV series, it integrates four independent op-amps in an ultra-compact TSSOP package, offering low power consumption, a wide supply range, and reliable operation??making it ideal for IoT devices, wearables, and portable electronics. Its ability to operate efficiently at 1.8V?C5.5V while maintaining signal integrity has made it a go-to choice for engineers designing compact, energy-sensitive systems. IC 製造商 提供此重要元件，作為其值得信賴的類比半導體組合的一部分。
LMV324IPWR Technical Parameters
| 參數 | 價值 | 單位 |
|---|---|---|
| 功能 | Quad General-Purpose Operational Amplifier | |
| 供應電壓範圍 | 1.8 至 5.5 | V (single supply) |
| Total Quiescent Current (all four amplifiers) | 1.0 | mA (typical, at 3V) |
| Gain Bandwidth Product (per amplifier) | 1.0 | MHz (典型值) |
| 包裝類型 | TSSOP-14（薄型收縮小外形封裝，14 引腳） | |
| 操作溫度範圍 | -40 至 +125 | ??C |
主要功能特性
| 特性 | 規格 |
|---|---|
| Input Offset Voltage (per amplifier) | 5.0 mV (maximum, at 3V) |
| Input Bias Current (per amplifier) | 1.0 pA (maximum, at 25??C) |
| 共模抑制比 (CMRR) | 60 dB (minimum) |
| Slew Rate (per amplifier) | 0.6 V/??s (typical) |
| 輸出電流（每個放大器） | 20 mA (minimum, into 500?? load) |
優於其他擴增解決方案
The LMV324IPWR outperforms arrays of single op-amps and larger-package alternatives, starting with its ultra-compact TSSOP-14 design (5.0mm??4.4mm)??40% smaller than SOIC-14 options. This makes it indispensable for space-constrained devices like wireless earbuds and smartwatch sensor hubs. “We reduced PCB area by 30% in our multi-sensor fitness trackers by switching to this TSSOP quad op-amp,” notes a senior engineer at a leading wearable tech manufacturer.
暢銷產品
Its integrated quad design replaces four discrete op-amps, cutting component count by 75% and eliminating timing mismatches between channels??critical for multi-sensor systems like smart home hubs, where temperature, humidity, and motion sensors must sync. Unlike discrete setups, it ensures consistent amplification across all four channels, reducing calibration time in mass production.
With 1mA total quiescent current (0.25mA per channel), it consumes 50% less power than general-purpose quad op-amps (2mA+), extending battery life in IoT sensors by up to 35%. Its 1.8V?C5.5V range also eliminates voltage regulators in 3V coin-cell devices and 5V USB gadgets, simplifying power design.
精選產品
Its -40??C to +125??C temperature range withstands extreme environments??from freezing outdoor sensors to warm body-worn devices??outperforming commercial-grade op-amps limited to 0??C?C70??C. Unity-gain stability further simplifies design by removing the need for external compensation components, lowering BOM costs.
Typical Applications of LMV324IPWR
The LMV324IPWR excels in compact, multi-channel low-voltage systems. Key use cases include:
聯絡我們
- Internet of Things (IoT) (wireless sensor nodes, environmental monitoring hubs, smart meter signal processing)
- Consumer Electronics (wearable fitness trackers, wireless earbuds, portable media players)
- Home Appliances (smart thermostat sensor clusters, compact washing machine controllers, microwave ovens)
- Medical Devices (portable blood glucose monitors, low-power patient vital sign trackers)
- Industrial Automation (low-power PLCs, miniaturized sensor arrays, battery-backed controllers)
德州儀器類比設計的專業知識
As a Texas Instruments product, the LMV324IPWR leverages TI??s 80+ years of leadership in analog semiconductors. TI??s low-voltage op-amps undergo specialized testing??including power consumption analysis across voltage ranges and temperature extremes??to ensure consistent performance in battery-powered systems. This commitment to efficiency and reliability has made TI a trusted partner for brands like Apple, Fitbit, and Whirlpool, who rely on components like the LMV324IPWR for their most compact and power-sensitive devices.
常見問題 (FAQ)
What is a quad operational amplifier, and how does the LMV324IPWR work?
A quad op-amp integrates four independent amplifiers in one package, enabling simultaneous processing of four analog signals. The LMV324IPWR amplifies weak signals from multiple sensors (e.g., temperature, motion, light) to levels readable by microcontrollers. Each amplifier can be configured for tasks like voltage amplification or filtering, making it ideal for multi-sensor systems in IoT and consumer electronics.
Why is the 1.8V?C5.5V supply range important for battery-powered devices?
This range matches common low-voltage power sources: 1.8V (discharged Li-ion batteries), 3V (coin cells), 3.3V (typical microcontroller voltage), and 5V (USB). Unlike op-amps requiring 3V+, it operates reliably as batteries drain, avoiding sudden shutdowns. This flexibility eliminates voltage boost circuits, reducing power loss and component count in portable devices like wireless earbuds.
How does the TSSOP-14 package benefit ultra-compact designs?
The TSSOP-14??s tiny footprint (5.0mm??4.4mm) and thin profile (1.1mm) fit into the smallest PCBs, such as those in smartwatches and IoT micro-sensors. Its tight pin spacing (0.65mm) enables denser routing, allowing more components per board. Automated assembly support also streamlines high-volume production, critical for consumer electronics and IoT devices.
How does the LMV324IPWR??s low power consumption extend battery life?
With 1mA total quiescent current (0.25mA per amplifier), it uses 50% less idle power than standard quad op-amps (2mA+). In battery-powered devices like IoT sensors (which spend most time idle), this reduces energy waste. For example, a wireless environmental sensor using this op-amp can operate for 12 months on a coin cell, compared to 8 months with a higher-power alternative.
Is the LMV324IPWR suitable for medical wearable devices?
Yes. Its ultra-compact size (5.0mm??4.4mm) fits into body-worn devices, while its 1mA current minimizes battery drain??critical for continuous-use monitors. The -40??C to +125??C temperature range withstands body heat and environmental variations, and its low input bias current (1.0 pA) ensures accurate amplification of weak biosignals (e.g., heart rate) without distortion.