Low-Power Op-Amps - Operational Amplifiers - 意法半导体STMicroelectronics

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SIMetrix models (23) SPICE models (17) HW design models (15)

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HW design models (15)

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意法半导体的低功耗运算放大器产品包含多个系列，具有不同的电压范围及多种功耗和增益带宽组合，能够以适当的功耗预算实现优越性能。

意法半导体的低功耗运算放大器解决方案不仅包含广泛使用的器件，还可为设计工程师提供升级选项，如更好的精准度、待机功能和小型封装。

精选视频

How eDSim can simplify op amps design

How eDSim can simplify op amps design

观看视频 (1 min 23)

STM32 Nucleo气体感测评估包入门

STM32 Nucleo气体感测评估包入门

P-NUCLEO-IKA02A1组合包是一款即用型一氧化碳检测器，其中包括一块采用两个TSU111运算放大器和一个Figaro TGS5141一氧化碳传感器的STM32 Nucleo扩展板

观看视频 (04:02)

适用于低功耗汽车应用的微功耗高精度5 V运算放大器

获得AEC-Q100认证的 TSU111IY和 TSU112IY运算放大器均具有 超高精度和 超低功耗，其供电电压范围为1.5至5.5 V，可以由纽扣锂电池或稳定电压高效供电，适用于传感器信号调节、电池管理系统，以及无线和车载充电器 (OBC) 等低功耗汽车应用。

AEC-Q100 qualified high temperature (150°C) and long mission profile operational amplifier

TSU111H是一款具有高精度、超低功耗和23 kHz增益带宽的 汽车级运算放大器。
TSU111H采用SOT23-5封装， 适用于传感器信号调节、电池管理系统、板上充电器（OBC）和无线充电器。

TSU11 series: nano-power (900 nA), high-accuracy (150 µV) op amps

The TSU111 (single-version channel) TSU112 (dual-version channel) and TSU114 (quad-version channel) operational amplifiers offer an ultra-low power consumption per channel of 900 nA (typical) and 1.2 µA (maximum) when supplied by 3.3 V.

Combined with a supply voltage range of 1.5 to 5.5 V, these features allow the TSU11 series to be efficiently supplied by a coin-type Lithium battery or a regulated voltage in low-power applications.

The high accuracy of 150 µV (maximum) max. and 11.5 kHz gain bandwidth make these op amps ideal for sensor signal conditioning, battery-supplied or energy-harvesting applications.

TSZ12 series: ultra precision and low-power op amp for IoT applications

ST’s zero-drift op amps ideal choice for sensor and control interfaces in a wide range of battery-powered IoT applications.

The devices operate from 1.8V to 5.5V, with quiescent current below 40μA at 5V, gain-bandwidth product of 400kHz, and ultra-low input bias current.

The single-channel TSZ121 is pin- and package-compatible with comparable devices from other manufacturers.
The dual-channel TSZ122 offers popular MiniSO-8 and SO-8 packages plus the option of a miniature 2mm x 2mm DFN8.
The TSZ124 quad op amp in TSSOP-14 and 3mm x 3mm QFN16

The devices provide the industry’s broadest choice of zero-drift op amps.

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

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太阳能电池充电器

Power Management Design Center

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• Displays interactive and annotated schematic

• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data

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Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop

• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree

• Check for consistency

• Design each individual node

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STPOWER Studio

• Supports long mission profiles

• Provides power loss and temperature graphs

• Helps define heatsink thermal properties

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Twister Sim

• Help select the right ViPOWER Automotive power device

• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis

• Supports various PCB configurations

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TVS Simulator

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Estimate

• Build simple schematics and firmware inputs in minutes

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• Powerful server-side engine for rendering and simulation.

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Signal Conditioning Design Tool

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Signal Conditioning Design Tool

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Signal Conditioning Design Tool

Low side Current Sensing

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Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.

• Help to select the right High side current sensing and shunt devices.

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NFC Inductance

• Input geometry and substrate properties

• Get antenna impedance

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• Enter forward and reverse link characteristics

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NFC Tuning Circuit

• Enter antenna parameter and matching target

• Select the topology of the matching network

• The tool returns component values for the desired design targets

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