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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The AD7224KNZ is a precision 8-bit voltage-output Digital-to-analog Converter with output amplifier and double buffered interface logic on a monolithic CMOS chip. No external trims are required to achieve full specified performance for the part. The double buffered interface logic consists of two 8-bit registers-an input register and a DAC register. Only the data held in the DAC registers determines the analog output of the converter. The double buffering allows simultaneous update in a system containing multiple AD7224. Both registers may be made transparent under control of three external lines, CS, WR and LDAC. With both registers transparent, the RESET line functions like a zero override, useful function for system calibration cycles. All logic inputs are TTL and CMOS (5V) level compatible and the control logic is speed compatible with most 8-bit microprocessors. Specified performance is guaranteed for input reference voltages from 2 to 12.5V when using dual supplies.
Low total unadjusted error - less than 1LSB over temperature
Extended temperature range operation
mP-compatible with double buffered inputs

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AD7224KNZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	18 Pin
Case/Package	DIP-18
Number of Outputs	1 Output
Supply Current	4 mA
Number of Channels	1 Channel
Number of Positions	18 Position
Number of Bits	8 Bit
Power Dissipation	0.45 W
Sample Rate	143 ksps
Resolution (Bits)	8.0 Bit
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	450 mW
Number of DACs	1 DAC
Supply Voltage (Max)	16.5 V
Supply Voltage (Min)	4.5 V
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Size-Length	22.86 mm
Size-Width	6.35 mm
Size-Height	3.3 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	2016/06/20
ECCN Code	EAR99

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