AD7249AR - ADI

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

Part No

AD7249AR
Manufacturer

ADI
ChipWorker Part#

CW16469000
Category

Digital to Analog, DAC IC
Package

SOIC-16
Description

DAC 2CH R-2R 12Bit 16Pin SOIC W Tube
Documentation

Datasheet

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AD7249AR Specifications

Attribute	Attribute Value

Part Number	AD7249AR
Manufacturer	ADI
ChipWorker Part#	CW16469000
Category	Digital to Analog, DAC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Number of Outputs	2 Output
Number of Channels	2 Channel
Number of Bits	12 Bit
Power Dissipation	600 mW
Sample Rate	125 ksps
Resolution (Bits)	12.0 Bit
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	600 mW
Number of DACs	2 DAC
	expand all
Size-Length	10.5 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
Mil-Spec	No

Product Description

Product Details
The AD7249 DACPORT® contains a pair of 12-bit, voltage-ouput, digital-to-analog converters with output amplifiers and Zener voltage reference on a monolithic CMOS chip. No external trims are required to achieve full specified performance.
The output amplifiers are capable of developing +10 V across a 2 k(Ohm) load. The output voltage ranges with single supply operation are 0 V to +5 V or 0 V to +10 V, while an additional bipolar ±5V output range is available with dual supplies. The ranges are selected using the internal gain resistor.
Interfacing to the AD7249 is serial, minimizing pin count and allowing a small package size. Standard control signals allow interfacing to most DSP processors and microcontrollers. The data stream consists of 16 bits, DB15 to DB13 are don"t care bits, the 13th bit (DB12) is used as the channel select bit and the remaining 12 bits (DB11 to DB0) contain the data to update the DAC. The 16-bit data word is clocked into the input register on each falling SCLK edge.
The data format is natural binary in both unipolar ranges, while either offset binary or twos complement format may be selected in the bipolar range. A CLR function is provided which sets the ouput to 0 V in both unipolar ranges and in the twos complement bipolar range, while with offset binary data format, the ouput is set to -REFIN. This function is useful as a power-on reset as it allows the outputs to be set to a known voltage level.
The AD7249 features a serial interface which allows easy connection to both microcomputers and 16-bit digital signal processors with serial ports. The serial data may be applied at rates up to 2 MHz allowing a DAC update rate of 125 kHz.
The AD7249 is fabricated on linear compatible CMOS (LC2MOS), an advanced, mixed technology process. It is packaged in 16-pin DIP and 16-pin SOIC packages.
###### DACPORT is a registered trademark of Analog Devices, Inc.
### Features and Benefits
Two 12-Bit CMOS DAC Channels with
On-Chip Voltage Reference
Output Amplifiers
Three Selectable Output Ranges per Channel
-5 V to + 5 V, 0 V to +5 V, 0 V to +10 V
Serial Interface
125 kHz DAC Update Rate
Small Size: 16-Lead DIP or SOIC
Low Power Dissipation

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