AD7821KR - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7821KR
Manufacturer

ADI
ChipWorker Part#

CW42751278
Category

Analog to Digital, ADC IC
Package

SOIC
Description

ADC Single Semiflash 1MSPS 8Bit Parallel 20Pin SOIC W
Documentation

Datasheet

AD7821KR Global Supplier

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AD7821KR Specifications

Attribute	Attribute Value

Part Number	AD7821KR
Manufacturer	ADI
ChipWorker Part#	CW42751278
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC
Number of Circuits	1 Circuit
Number of Bits	8 Bit
Power Dissipation	50 mW
Number of ADCs	1 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	100.5 mW
Number of Input Channels	1 Channel
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Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2013/06/20

Product Description

GENERAL DESCRIPTION
The AD7821 is a high speed, 8-bit, sampling, analog-to-digital converter that offers improved performance over the popular AD7820. It offers a conversion time of 660 ns (versus 1.36 µs for the AD7820) and 100 kHz signal bandwidth (versus 6.4 kHz). The sampling instant is better defined and occurs on the falling edge of WR or RD. The provision of a VSS pin (Pin 19) allows the part to operate from ±5 V supplies and to digitize bipolar input signals. Alternatively, for unipolar inputs, the VSS pin can be grounded and the AD7821 will operate from a single +5 V supply, like the AD7820.
FEATURES
Fast Conversion Time: 660 ns Max
100 kHz Track-and-Hold Function
1 MHz Sample Rate
Unipolar and Bipolar Input Ranges
Ratiometric Reference Inputs
No External Clock
Extended Temperature Range Operation
Skinny 20-Lead DlPs, SOIC, and 20-Terminal Surface-Mount Packages

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- Carefully tested and packaged by ChipWorker
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- Anti-vibration foam
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- X-ray inspection
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- Electrical testing
- Surface testing

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