AD8138ARMZ Datasheet

Differential Amplifiers


The AD8138ARMZ is a major advancement over op amps for differential signal processing. The AD8138 can be used as a single-ended-to-differential amplifier or as a differential-to-differential amplifier. The AD8138 is as easy to use as an op amp and greatly simplifies differential signal amplification and driving. Manufactured on ADI’s proprietary XFCB bipolar process, the AD8138 has a −3 dB bandwidth of 320 MHz and delivers a differential signal with the lowest harmonic distortion available in a differential amplifier. The AD8138 has a unique internal feedback feature that provides balanced output gain and phase matching, suppressing even order harmonics. The internal feed-back circuit also minimizes any gain error that would be associated with the mismatches in the external gain setting resistors. AD8138ARMZ Features • Easy to use, single-ended-to-differential conversion• Adjustable output common-mode voltage• Externally adjustable gain• Low harmonic distortion −94 dBc SFDR @ 5 MHz −85 dBc SFDR @ 20 MHz −3 dB bandwidth of 320 MHz, G = +1• Fast settling to 0.01% of 16 ns• Slew rate 1150 V/μs• Fast overdrive recovery of 4 ns• Low input voltage noise of 5 nV/√Hz• 1 mV typical offset voltage• Wide supply range +3 V to ±5 V• Low power 90 mW on 5 V• 0.1 dB gain flatness to 40 MHz• Available in 8-Lead SOIC and MSOP packages AD8138ARMZ Applications • ADC drivers• Single-ended-to-differential converters• IF and baseband gain blocks• Differential buffers• Line drivers


[{"Name":"Number of Channels","Value":"1 Channel"},{"Name":"Bandwidth","Value":"320 MHz "},{"Name":"Available Set Gain","Value":"1 V/V "},{"Name":"Input Offset Voltage","Value":"1 mV "},{"Name":"Common Mode Rejection Ratio (Min) ","Value":"- 77 dB"},{"Name":"Operating Supply Voltage","Value":"1.4 V to 5.5 V "},{"Name":"Supply Current ","Value":"20 mA"},{"Name":"Maximum Operating Temperature","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature","Value":"- 40 C "},{"Name":"Packaging","Value":"Tube "}]

Manufacturer information

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