AD7821KRZ - ADI

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

Part No

AD7821KRZ
Manufacturer

ADI
ChipWorker Part#

CW464582
Category

Analog to Digital, ADC IC
Package

SOIC-20
Description

ANALOG DEVICES AD7821KRZ Analog to Digital Converter, 8Bit, 1MSPS, Single, 4.75V, 5.25V, WSOIC
Documentation

Datasheet

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AD7821KRZ Specifications

Attribute	Attribute Value

Part Number	AD7821KRZ
Manufacturer	ADI
ChipWorker Part#	CW464582
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Supply Voltage (DC)	4.75V (min)
Supply Current	20 mA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	20 Position
Number of Bits	8 Bit
Power Dissipation	50 mW
Sample Rate	1 Msps
Power Consumption	50 mW
Resolution (Bits)	8.0 Bit
Input Capacitance	55.0 pF
Input Impedance	1.00 Ω
Number of ADCs	1 ADC
Number of Inputs	1 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	100.5 mW
Number of Input Channels	1 Channel
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
	expand all
Size-Length	13 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	Yes
REACH SVHC Compliance Edition	2015/12/17

Product Description

The AD7821KRZ is a LC²MOS high speed µP compatible 8-bit Analog-to-digital Converter (ADC) with track/hold functions. It offers a conversion time of 660ns and 100kHz signal bandwidth. The sampling instant is better defined and occurs on the falling edge of WR or RD. The provision of a VSS pin allows the part to operate from ±5V supplies and to digitize bipolar input signals. Alternatively, for uni-polar inputs, the VSS pin can be grounded and the converter will operate from a single +5V supply, like the AD7820. It has a built-in track-and-hold function capable of digitizing full-scale signals up to 100kHz maximum. It also uses a half-flash conversion technique that eliminates the need to generate a CLK signal for the ADC. It designed with standard microprocessor control signals and latched, 3-state data outputs capable of interfacing to high speed data buses. An overflow output (OFL) is also provided for cascading devices to achieve higher resolution.
Offers improved performance over the popular
Ratiometric reference inputs
No external clock
Extended temperature range operation
Fast conversion time
Total unadjusted error
Fabricated in linear compatible CMOS

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