AD8138ARZ-R7 Single-Ended to Differential Amplifiers by Analog Devices

Status: Production
Series: AD8138
RoHS: Compliant
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The AD8138 is a major advancement over op amps fordifferential signal processing. The AD8138 can be used as asingle-ended-to-differential amplifier or as a differential-to-differentialamplifier. The AD8138 is as easy to use as an opamp and greatly simplifies differential signal amplification anddriving. Manufactured on the proprietary ADI XFCB bipolarprocess, the AD8138 has a −3 dB bandwidth of 320 MHz anddelivers a differential signal with the lowest harmonic distortionavailable in a differential amplifier. The AD8138 has a uniqueinternal feedback feature that provides balanced output gainand phase matching, suppressing even order harmonics. Theinternal feedback circuit also minimizes any gain error thatwould be associated with the mismatches in the external gainsetting resistors.The differential output of the AD8138 helps balance the inputto differential ADCs, maximizing the performance of the ADC. The AD8138 eliminates the need for a transformer with highperformance ADCs, preserving the low frequency and dc information.The common-mode level of the differential output isadjustable by a voltage on the VOCM pin, easily level-shifting theinput signals for driving single-supply ADCs. Fast overloadrecovery preserves sampling accuracy. The AD8138 distortion performance makes it an ideal ADCdriver for communication systems, with distortion performancegood enough to drive state-of-the-art 10-bit to 16-bit convertersat high frequencies. The high bandwidth and IP3 of theAD8138 also make it appropriate for use as a gain block in IFand baseband signal chains. The AD8138 offset and dynamicperformance makes it well suited for a wide variety of signalprocessing and data acquisition

Prices starting from US$6.47


Distributor Starting From Stock
Logo for Analog Devices Analog Devices US$7.50
5,082
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Logo for Chip One Stop Chip One Stop US$6.47
769
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Logo for Newark Electronics Newark Electronics US$8.30
348
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Logo for element14 element14 US$8.60
348
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Logo for Farnell Farnell US$7.45
348
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Logo for Richardson RFPD Richardson RFPD US$7.29
-
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Features

Easy to use, single-ended-to-differential conversion
Adjustable output common-mode voltage
Externally adjustable gain
Low harmonic distortion
-94 dBc SFDR at 5 MHz
-85 dBc SFDR at 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
See data sheet for additional featuresAD8138-EP supports defense and aerospace applications (AQEC standard)
Download AD8138-EP data sheet (pdf)
Extended temperature range: −55ºC to +105°C
Controlled manufacturing baseline
One assembly/test site
One fabrication site
Enhanced product change notification
Qualification data available on request
V62/12665-01XE DSCC Drawing Number 

Alternative Descriptions

SOIC Lo-Distort'n Diff I/O 500 | Analog Devices
Diff-Amp, 320Mhz, -40 To 85Deg C, Soic-8 | Newark Electronics
DIFF-AMP, 320MHZ, -40 TO 85DEG C, SOIC-8 | element14
AMPLIFIER - SPECIAL PURPOSE | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD8138ARZ-R7?

Additional datasheets, footprints and schematics for AD8138ARZ-R7 are listed on our Part Details page. You can also find images and similar parts to AD8138ARZ-R7 on this page.

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What category does AD8138ARZ-R7 fall under?

The AD8138ARZ-R7 is listed under Single-Ended to Differential Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to AD8138ARZ-R7 when available in the Single-Ended to Differential Amplifiers range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the AD8138ARZ-R7 you can contact the distributor directly for product support, shipping queries etc.

Is the AD8138ARZ-R7 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD8138ARZ-R7 have stock available?

Authorised distributors including Analog Devices, Chip One Stop, Newark Electronics, element14 and Farnell have stock available or on a lead time for AD8138ARZ-R7.

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