AD8421BRZ Instrumentation Amplifiers by Analog Devices

Status: Production
Series: AD8421
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The AD8421 is a low cost, low power, extremely low noise, ultralow bias current, high speed instrumentation amplifier that is ideally suited for a broad spectrum of signal conditioning and data acquisition

Where to Buy

Prices starting from US$5.53

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$5.53
1,941
in stock
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Logo for Chip One Stop
Chip One Stop
from US$8.20
196
in stock
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Logo for Newark Electronics
Newark Electronics
from US$11.35
172
in stock
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Logo for element14
element14
from US$8.53
168
in stock
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Logo for Farnell
Farnell
from US$7.92
168
in stock
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Logo for Richardson RFPD
Richardson RFPD
from US$7.87
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Features

Low power
2.3 mA maximum supply current
Low noise
3.2 nV/√Hz maximum input voltage noise at 1 kHz
200 fA/√Hz current noise at 1 kHz
Excellent ac specifications 
10 MHz bandwidth (G = 1)
2 MHz bandwidth (G = 100)
0.6 µs settling time to 0.001% (G = 10)
80 dB CMRR to 20 kHz (G = 1)
35 V/µs slew rate
High precision dc performance (AD8421BRZ)
94 dB CMRR minimum (G = 1)
0.2 μV/°C maximum input offset voltage drift
1 ppm/°C maximum gain drift (G = 1)500 pA maximum input bias current
Inputs protected to 40 V from opposite supply
±2.5 V to ±18 V dual supply (5 V to 36 V single supply)
Gain set with a single resistor (G = 1 to 10,000)
Available in 8-lead LFCSP, 8-lead MSOP, and 8-lead SOIC
Download AD8421-KGD Data Sheet
Available As Known Good Die and fully guaranteed to data sheet specificationsAD8421-EP supports defense and aerospace applications (AQEC standard)
Download AD8421-EP data sheet (pdf)
Military temperature range (−55°C to +125°C)
Controlled manufacturing baseline
One assembly/test site
One fabrication site
Enhanced product change notification
Qualification data available on request
V62/13625 DSCC Drawing Number

Alternative Descriptions

3nV/vHz noise Precision InAmp | Analog Devices
Instrumentation Amp, 10Mhz, 140Db, Nsoic | Newark Electronics
INSTRUMENTATION AMP, 10MHZ, 140DB, NSOIC | element14
AMPLIFIER - SPECIAL PURPOSE | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD8421BRZ?

Additional datasheets, footprints and schematics for AD8421BRZ are listed on our Part Details page. You can also find images and similar parts to AD8421BRZ on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for AD8421BRZ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view AD8421BRZ price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does AD8421BRZ fall under?

The AD8421BRZ is listed under Instrumentation Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to AD8421BRZ when available in the Instrumentation 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 AD8421BRZ you can contact the distributor directly for product support, shipping queries etc.

Is the AD8421BRZ RoHS compliant?

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

Which authorised distributors for AD8421BRZ 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 AD8421BRZ.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for AD8421BRZ often in real-time on the comparison pages.

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