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LTC774

规格型号:LTC774

封装:SO-14, TSSOP-14

功能描述:适合用于电机相电流检测的、更快阶跃响应时间的高性能放大器

详细介绍

High Slew Rate, 12MHz, RRIO CMOS Operational Amplifiers

 

General Description 

The LTC774 quad CMOS operational amplifier combines high slew rate and bandwidth, rail-to-rail input and output swing, high output drive, and excellent dc precision. The device provides 11.3V/μs of slew rate and 12MHz of bandwidth while only consuming 0.85mA of supply current per channel. This ac performance is much higher than current competitive CMOS amplifiers. The rail-to-rail input and output swing and high output drive make this device a good choice for driving the analog input or reference of analog-to-digital converters. The LTC774 also has low distortion while driving a 600Ω load for use in a wide range of systems. This amplifier has a 7.2μVPP input voltage noise and a 1pA input bias current for measurement, medical, and industrial applications.

 

The LTC774 op-amp is 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 LTC774 is available in Green 14-lead TSSOP and SOIC packages.

 

 

Features and Benefits 

High Slew Rate: 11.3 V/μs

Wide Bandwidth: 12 MHz 

Settling Time to 0.1% with 2V Step: 0.22 μs

Overload Recovery Time to 0.1%: 0.31 μs

Low Distortion: Driving 600Ω 0.005% THD+N

Supply Voltage Range:  2.3 V to 6.0 V

Rail-to-Rail Input and Output

– Input Voltage Range: -0.2 to +5.2 V at 5V Supply

Low Offset Voltage: 4.0 mV Maximum

Unit Gain Stable

Low Power: 850 μA per Amplifier Supply Current

Operating Temperature Range: −40℃ to +125℃

ESD Rating: HBM – 4kV, CDM – 2kV

 

Applications 

Motor Phase Current Sensing

Photodiode Amplification

Audio Outputs

Active Filters

Sensor Interfaces

Driving A/D Converters

Portable Equipment

Battery-Powered Instrumentation

 


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