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LTC8522

規格型號:LTC8522

封裝:DFN1.5x1.5-8, SO8, MSOP8

功能描述:高性能替代1~10μA運放 (SGM8049/ SGM852x/ TP151x),1MHz帶寬的通用型放大器 (MCP6002/ SGM8542/TP154x/ LMV358) 低功耗需求的應用

詳細介紹

3.4μA, 90kHz, RRIO CMOS Operational Amplifiers 

 

General Description 

The LTC8522 is an ultra-low power dual operational amplifier that provides 90kHz bandwidth with only 3.4μA quiescent current per channel. This rail-to-rail input and output amplifier is specifically designed for battery-powered applications. The input common-mode voltage range extends 200mV beyond the power-supply rails and the output swings to only 5mV of the rails, maintaining wide dynamic range. Unlike some micro-power op-amps, this part is unity-gain stable. The LTC8522 features a low input bias current that allows the use of large source and feedback resistors.

 

The LTC8522 op-amps are specified for single or dual power supplies of +2.3V to +6.0V. All models are specified over the extended industrial temperature range of −40℃ to +125℃. 

 

The LTC8522 is available in 8-lead MSOP and SOIC packages. 

 

Features and Benefits 

Low Supply Current: 4.6 μA Maximum per Amplifier 

Gain-Bandwidth: 90 kHz 

Unity Gain Stable 

Low Offset Voltage: 3.5 mV Maximum 

Rail-to-Rail Input and Output 

– Input Range: 200 mV Beyond Rails 

DC Precision 

– CMRR: 102 dB 

– PSRR: 102dB 

– AVOL: 110dB 

Output Swings to 5 mV of Rails 

Operating Power Supply: +2.3 to +6.0 V 

Operating Temperature Range: −40℃ to +125℃

 

Applications 

Battery-Powered Systems 

Sensor Interfaces, Remote Sensing 

Supply Current Sensing 

Safety Monitoring 

Portable Medical Instruments 

Analog Active Filters 

ASIC Input or Output Amplifier

 

 


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