OPA2376AIDGKT

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1. Describe

The OPA2376AIDGKT family represents a new generation of low noise operational amplifiers with e-trim™ that provide excellent DC accuracy and AC performance. Rail-to-rail input and output, low skew (25 μV, max), low noise (7.5 nV/√Hz), 950 μA (max) quiescent current, and 5.5 MHz bandwidth make this device ideal for use in various precision and portable applications. In addition, the device has a fairly wide supply range and excellent PSRR, making it attractive for applications powered directly from a battery without regulation. The OPA376 (single version) is available in MicroSIZE SC70-5, SOT-23-5 and SOIC-8 packages. The OPA2376 (dual) is available in DSBGA-8, VSSOP-8, and SOIC-8 packages. The OPA4376 (quad) is available in a TSSOP-14 package. All versions are specified for operation from –40°C to +125°C.

2. Feature

    1. Low noise: 7.5 nV/√Hz at 1 kHz

    2. 0.1 Hz to 10 Hz noise: 0.8 μVPP

    3. Quiescent current: 760 μA (typ)

    4. Low offset voltage: 5 μV (typ)

    5. Gain Bandwidth Product: 5.5 MHz

    6. Rail-to-rail input and output

    7. Single supply operation

    8. Supply voltage: 2.2 V to 5.5 V

    9. Space saving package:

        – SC70, SOT-23, DSBGA, VSSOP, TSSOP

3. Application

    1. ADC buffer

    2. Audio equipment

    3. Medical equipment

    4. Handheld test equipment

    5. Active filtering

    6. Sensor signal conditioning

4. Pin configuration

5. Pin Description

6. Feature Description

The OPA2376AIDGKT family of precision amplifiers offers excellent dc performance as well as excellent ac performance. Operating from a single power-supply the OPA2376AIDGKT is capable of driving large capacitive loads, has a wide input common-mode voltage range, and is well-suited to drive the inputs of SAR ADCs as well as 24-bit and higher resolution converters. Including internal ESD protection, the OPAx376 family is offered in a variety of industrystandard packages, including a wafer chip-scale package for applications that require space savings.

7. Application Information

The OPA2376AIDGKT family of operational amplifiers is built using e-trim, a proprietary technique in which offset voltage is adjusted during the final steps of manufacturing. This technique compensates for performance shifts that can occur during the molding process. Through e-trim, the OPA2376AIDGKT family delivers excellent offset voltage (5 μV, typical). Additionally, the amplifier boasts a fast slew rate, low drift, low noise, and excellent PSRR and AOL. These 5.5-MHz CMOS op amps operate on 760-μA (typical) quiescent current.