OPA2130

低功耗精密 FET 输入运算放大器

The OPA130 series of FET-input op amps combine precision dc performance with low quiescent current. Single, dual, and quad versions have identical specifications for maximum design flexibility. They are ideal for general-purpose, portable, and battery operated applications, especially with high source impedance.

OPA130 op amps are easy to use and free from phase inversion and overload problems often found in common FET-input op amps. Input cascode circuitry provides excellent common-mode rejection and maintains low input bias current over its wide input voltage range. OPA130 series op amps are stable in unity gain and provide excellent dynamic behavior over a wide range of load conditions, including high load capacitance. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.

Single and dual versions are available in 8-pin DIP and SO-8 surface-mount packages. Quad is available in 14-pin DIP and SO-14 surface-mount packages. All are specified for &150;40°C to +85°C operation.

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LOW QUIESCENT CURRENT: 530µA/amp

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LOW OFFSET VOLTAGE: 1mV max

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HIGH OPEN-LOOP GAIN: 120dB min

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HIGH CMRR: 90dB min

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FET INPUT: IB = 20pA max

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EXCELLENT BANDWIDTH: 1MHz

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WIDE SUPPLY RANGE: ±2.25 to ±18V

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SINGLE, DUAL, AND QUAD VERSIONS

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