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GS8591/SOT23-5/SC70-5

General Description
The GS859X amplifier is single/dual/quad supply, micro-power, zero-drift CMOS operational amplifiers, the amplifiers offer
bandwidth of 4.5MHz, rail-to-rail inputs and outputs, and single-supply operation from 1.8V to 5.5V. GS859X uses chopper
stabilized technique to provide very low offset voltage (less than 50µV maximum) and near zero drift over temperature. Low
quiescent supply current of 550µA per amplifier and very low input bias current of 20pA make the devices an ideal choice for low
offset, low power consumption and high impedance applications. The GS859X offers excellent CMRR without the crossover
associated with traditional complementary input stages. This design results in superior performance for driving analog-to-digital
converters (ADCs) without degradation of differential linearity.
The GS8591 is available in SOT23-5 and SOP-8 packages

Features
• Single-Supply Operation from +1.8V ~ +5.5V
• Rail-to-Rail Input / Output
• Gain-Bandwidth Product: 4.5MHz (Typ. @25°C)
• Low Input Bias Current: 20pA (Typ. @25°C)
• Low Offset Voltage: 30µV (Max. @25°C)
• Quiescent Current: 550µA per Amplifier (Typ.)
• Operating Temperature: -45°C ~ +125°C
• Zero Drift: 0.03µV/oC (Typ.)
• Embedded RF Anti-EMI Filter
• Small Package:
GS8591 Available in SOT23-5 and SOP-8 Packages

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