ADA4939-1YCPZ-R7 Single-Ended to Differential Amplifiers by Analog Devices

Status: Production
Series: ADA4939-1
RoHS: Compliant
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The ADA4939-1 / ADA4939-2 are low noise, ultralow distortion,high speed differential amplifiers. They are an ideal choice fordriving high performance ADCs with resolutions up to 16 bitsfrom dc to 100 MHz. The output common-mode voltage is useradjustable by means of an internal common-mode feedback loop,allowing the ADA4939-1 / ADA4939-2 output to match the inputof the ADC. The internal feedback loop also provides exceptionaloutput balance as well as suppression of even-order harmonicdistortion products.With the ADA4939-1 / ADA4939-2, differential gain configurationsare easily realized with a simple external feedback network of fourresistors that determine the closed-loop gain of the amplifier.The ADA4939-1 / ADA4939-2 are fabricated using Analog Devices,Inc., proprietary silicon-germanium (SiGe), complementary bipolarprocess, enabling them to achieve very low levels of distortion withan input voltage noise of only 2.3 nV/√Hz. The low dc offset andexcellent dynamic performance of the ADA4939-1 / ADA4939-2make them well suited for a wide variety of data acquisition andsignal processing

Where to Buy

Prices starting from US$4.46

Distributor Stock
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Analog Devices
from US$4.46
8,321
in stock
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Newark Electronics
from US$6.86
1,376
in stock
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element14
from US$6.60
1,376
in stock
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Farnell
from US$6.22
1,376
in stock
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Features

Extremely low harmonic distortion
−102 dBc HD2 at 10 MHz
−83 dBc HD2 at 70 MHz
−77 dBc HD2 at 100 MHz
−101 dBc HD3 at 10 MHz
−97 dBc HD3 at 70 MHz
−91 dBc HD3 at 100 MHz
Low input voltage noise: 2.3 nV/√Hz
High speed
−3 dB bandwidth of 1.4 GHz, G = 2
Slew rate: 6800 V/μs, 25% to 75%
Fast overdrive recovery of <1 ns
±0.5 mV typical offset voltage
Externally adjustable gain
Stable for differential gains ≥2
Differential-to-differential or single-ended-to-differential operation
Adjustable output common-mode voltage
Single-supply operation: 3.3 V to 5 V

Alternative Descriptions

Ultra Low Distortion Diff ADC | Analog Devices
Diff-Amp, 1.4Ghz, -40 To 105Deg C, Lfcsp Rohs Compliant: Yes |Analog Devices ADA4939-1YCPZ-R7 | Newark Electronics
DIFF-AMP, 1.4GHZ, -40 TO 105DEG C, LFCSP | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADA4939-1YCPZ-R7?

Additional datasheets, footprints and schematics for ADA4939-1YCPZ-R7 are listed on our Part Details page. You can also find images and similar parts to ADA4939-1YCPZ-R7 on this page.

What pricing and inventory information can I view?

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What category does ADA4939-1YCPZ-R7 fall under?

The ADA4939-1YCPZ-R7 is listed under Single-Ended to Differential Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to ADA4939-1YCPZ-R7 when available in the Single-Ended to Differential Amplifiers range under the specifications section at the bottom of the details page.

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Submit any questions directly to the customer support team of the distributor listing the product. For the ADA4939-1YCPZ-R7 you can contact the distributor directly for product support, shipping queries etc.

Is the ADA4939-1YCPZ-R7 RoHS compliant?

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

Which authorised distributors for ADA4939-1YCPZ-R7 have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for ADA4939-1YCPZ-R7.

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