意法半导体’的低输入偏置电流运算放大器特别适于那些需要准确测量运算放大器输入端较小的电流或电压差异的应用。 低输入偏置电流运算放大器对于在以下应用中连接下游电子和传感器至关重要:光电二极管、pH计和其它功能与静电计类似的器件。

意法半导体拥有很多适于小信号调节应用的精密运算放大器。

TSZ182: 3MHz chopper op amp for high accuracy signal conditionning

The TSZ182 is a dual precision op amp combines low and extremely temperature-stable input-offset voltage with the added advantages of a 3 MHz gain-bandwidth, while consuming maximum 1 mA at 5 V.

The offset voltage of 25µV at 25°C enables high measurement resolution and the offset drift less than 100nV/°C maintains accuracy over a wide temperature range. The TSZ182 offers rail-to-rail input and output and excellent speed/power consumption ratio. The chopper-stabilized TSZ182 is ideal for high-accuracy high-bandwidth sensor interfaces.

TSV52 micropower amplifiers feature a high merit factor

ST's TSV521, TSV522, TSV524 are single, dual, and quad rail-to-rail input and output single-supply amplifiers operating from 2.7 to 5.5 V and featuring a very low supply current per amplifier of 45 µA while providing a 1.15 MHz bandwidth. The TSV52 family provides upgraded performance relative to ST‘s general-purpose range of standard op amps for a variety of applications, for example, in the industrial, medical and consumer segments.

TSV7 series: excellent precision (200 µV), low-power (10 µA or 60 µA)

The TSV711, TSV712, TSV714, TSV731, TSV732, TSV734 series of single-, dual-, and quad-channel operational amplifiers offers low-voltage operation (1.5 to 5.5 V), rail-to-rail inputs and outputs, and an excellent accuracy (V IO lower than 200 μV at 25 °C). Housed in the smallest industrial packages, these low-power devices benefit from ST’s 5 V CMOS technology and offer an excellent speed/power consumption ratio associated with an ultra-low input bias current. These characteristics make the TSV7 series ideal for sensor interfaces and active filtering for battery-powered applications in the wearable, portable consumer, medical and industrial segments.

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