Precision operational amplifiers offer wide dynamic range and low noise operation | Heisener Electronics
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Precision operational amplifiers offer wide dynamic range and low noise operation

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포스트 날짜: 2022-10-11, Diodes Incorporated

     The diode company is meeting the needs of advanced signal conditioning in modern automobile design, and through the release of two precision computing amplifiers for different signal frequency scenarios. The low signal-to-noise ratio characteristics of diode AS2376Q means that it is optimized to high-frequency use, such as OBCS, DC-DC converter, BMS implementation, airbags, pumps, position sensors and occupation detection systems. The minimum static current displayed by the diode AS2333Q makes it very suitable for addressing functions, and it will continue when the vehicle is not moving.

      5.5MHz bandwidth allows AS2376Q operational amplifier to handle 50kHz signals without obvious signal accuracy loss. Low input noise density (7.5NV/√Hz) and 0.8µVPP frequency noise, with the rail-rail output, the signal integrity is enhanced. The typical offset voltage is 5 μV and supports a wider dynamic range. It can accept the power supply voltage from 2.2V to 5.5V, making the design more flexible.

     The static current of AS2333Q amplifier on each amplifier channel is only 12 μA, allowing it to be used in a system that must be maintained in a working state. The excellent CMRR cross-rail-rail input range, coupled with the near zero drift over time and temperature, provides long-term signal accuracy in the accuracy of the wide-common model. Its power supply voltage from 1.8V to 5.5V allows it to work on car rails of 3.3V and 5V.

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