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AD7821TQ The Analog Devices AD7821TQ is an 8-bit pipelined analog-to-digital converter with a built-in track-and-hold function. It offers a fast conversion time of 660 ns and a sample rate of 1 MHz.
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AD7821TQ

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices AD7821TQ is an 8-bit pipelined analog-to-digital converter with a built-in track-and-hold function. It offers a fast conversion time of 660 ns and a sample rate of 1 MHz.
✓ Total Stock: 100 pcs

AD7821TQ Available from 1 distributor

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Risen Electronics ✓
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100 pcs
On Request
100 pcs On Request 1 On Request On Request On Request On Request 2026-06-29 21:33:16
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AD7821TQ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Input Range
Input Type
Lead Spacing
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
Power Consumption
Ratio
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Supplier Package
Voltage
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AD7821TQ Description

Short technical summary and product information.

The AD7821TQ from Analog Devices is a high-speed, 8-bit analog-to-digital converter (ADC) featuring a pipelined architecture and an integrated track-and-hold function. It boasts a maximum conversion time of 660 ns and a sample rate of 1 MHz, making it suitable for applications requiring rapid data acquisition.

 

This ADC supports both unipolar and bipolar input ranges and operates with a single +5V supply or dual ±5V supplies. It includes ratiometric reference inputs and does not require an external clock signal. The device is designed for extended temperature range operation from -55°C to 125°C.

 

The AD7821TQ is available in a 20-lead DIP package (20-CDIP) with through-hole mounting. Its parallel data interface allows for easy integration with microprocessor systems. The device also features a low power dissipation of 50 mW.

 

Key specifications include a 100 kHz track-and-hold function, a total unadjusted error of ±1 LSB over the full operating temperature range, and input voltage ranges from -2.5V to +2.5V. The device is RoHS3 compliant.

AD7821TQ Quick Information

Product Type: Analog to Digital Converter
Canonical Name: AD7821TQ 8-Bit Pipelined ADC with Track/Hold
Subcategory: ADC

AD7821TQ Compliance

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

AD7821TQ Features

  • Fast 660 ns maximum conversion time.
  • Integrated 100 kHz track-and-hold function.
  • 1 MHz maximum sample rate.
  • Supports unipolar and bipolar input ranges.
  • Operates over extended temperature range.

AD7821TQ Applications

  • High-speed data acquisition systems.
  • Signal processing applications.
  • Industrial control systems.
  • Test and measurement equipment.

AD7821TQ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the AD7821TQ?

The AD7821TQ operates over a temperature range of -55°C to 125°C.

What is the package type for the AD7821TQ?

The AD7821TQ is available in a 20-CDIP (0.300", 7.62mm) package, also referred to as 20-CERDIP.

What is the sampling rate of the AD7821TQ?

The AD7821TQ has a sampling rate of 1 MSPS.

What is the conversion time of the AD7821TQ?

The maximum conversion time is 660 ns in WR-RD mode and 700 ns in RD mode.

What is the power consumption of the AD7821TQ?

The AD7821TQ dissipates 50 mW.

What is the resolution of the AD7821TQ?

The AD7821TQ is an 8-bit ADC.

What is the RoHS status of the AD7821TQ?

The RoHS status is listed as Compliant (RoHS3), but this information is unverified.

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