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AD7821KN The Analog Devices AD7821KN is a high-speed, 8-bit analog-to-digital converter featuring a fast 660 ns conversion time and a 100 kHz track-and-hold function. It supports both unipolar and bipolar input ranges.
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AD7821KN

Available from 1 distributors
Mfr Name: AD
AD
The Analog Devices AD7821KN is a high-speed, 8-bit analog-to-digital converter featuring a fast 660 ns conversion time and a 100 kHz track-and-hold function. It supports both unipolar and bipolar input ranges.
✓ Total Stock: 11 pcs
$ Price Range: $3.86

AD7821KN Available from 1 distributor

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✓ Non-Authorised
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11 pcs
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AD7821KN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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AD7821KN Description

Short technical summary and product information.

The AD7821KN from Analog Devices is an 8-bit sampling analog-to-digital converter designed for high-speed applications. It boasts a maximum conversion time of 660 ns, significantly faster than previous models, and includes a built-in track-and-hold function capable of handling signals up to 100 kHz.

 

This ADC utilizes a half-flash conversion technique and is fabricated using LC2MOS technology, enabling efficient operation with low power dissipation of 50 mW. It supports both unipolar and bipolar input ranges and features ratiometric reference inputs, eliminating the need for an external clock signal. The device is designed for extended temperature range operation.

 

The AD7821KN is available in multiple package options, including skinny 20-lead DIP, SOIC, and 20-terminal surface-mount configurations, offering flexibility for various board designs. Its microprocessor-compatible control signals and three-state data outputs facilitate easy integration into high-speed data buses.

AD7821KN Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Canonical Name: AD7821KN 8-Bit Analog-to-Digital Converter with Track-and-Hold
Subcategory: Special Purpose ADC

AD7821KN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD7821KN Estimated Pricing

Qty Low High
1+ $3.86 $3.86

Estimated market price range - modelled values for guidance only, not live distributor offers.

AD7821KN Features

  • Fast 660 ns maximum conversion time.
  • 100 kHz track-and-hold function included.
  • Supports unipolar and bipolar input ranges.
  • No external clock required.
  • Low power dissipation of 50 mW.

AD7821KN Applications

  • High-speed data acquisition systems.
  • Signal processing applications.
  • Embedded control systems.
  • Instrumentation and measurement.

AD7821KN FAQs

5 frequently asked questions generated from this part’s specifications.
What is the conversion time of the AD7821KN?

The maximum conversion time for the AD7821KN is 660 ns.

What is the track-and-hold frequency for the AD7821KN?

The AD7821KN has a track-and-hold function capable of digitizing full-scale signals up to 100 kHz.

What are the input range options for the AD7821KN?

The AD7821KN supports both unipolar and bipolar input ranges.

Does the AD7821KN require an external clock?

No, the AD7821KN does not require an external clock.

What is the power consumption of the AD7821KN?

The AD7821KN features a low power dissipation of 50 mW.

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