AD7849ANZ

Reference Type:	External
Base Part Number:	AD7849
Supplier Device Package:	20-PDIP
Package / Case:	20-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 85°C
Architecture:	String DAC
INL/DNL (LSB):	±5 (Max), ±0.25 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	±14.25 V ~ 15.75 V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	10µs (Typ)
Number of D/A Converters:	1
Number of Bits:	14
Part Status:	Active
Packaging:	Tube

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AD7849ANZ is a highly integrated and functional Analog Devices, Inc., digital to analog converter device. It is specifically designed to provide an analog output with a precision of 14-bit performance. AD7849ANZ is capable of operation over the dependent range of 2.7 volt minimum to 4.5 volt maximum operation, and output current capability of 12milli-amp. AD7849ANZ is often used in data acquisition, multimedia, human-machine interface and medical, industrial and consumer applications. The working principle of the AD7849ANZ converter device is relatively straightforward. When a digital input is applied, the device converts the input into a corresponding analog output at a predetermined resolution. The device\'s high performance, fast settling time and low power consumption make it an ideal choice for many applications.The AD7849ANZ device is typically used in applications where an accurate, resolution-controlled and low-power analog output for a given incident digital input is required. This could include data acquisition, such as machine control or diagnostic equipment, or audio and video processing. Compared to other dedicated data acquisition hardware solutions, the advantage of the AD7849ANZ device is that it incorporates the components required for a digital to analog conversion into a single chip.The device can be easily interfaced with a number of different microcontroller systems through its parallel-input data bus. This bus is configured as a 14-bit wide, 3 state addressable memory interface port. The addressable memory interface port is used to provide communication between the microcontroller and the device. The device\'s operational characteristics are configured by writing to its Control register.Right after the power is applied to the device, the power-up sequence is triggered. During the power-up sequence, the device is set to its default state as specified in the relevant data sheet. After this, the device requires an application specific set of Control register parameters.Once the Control register is programmed, data is written to the device via the interface port. The data is then loaded into the device\'s internal data register and a conversion is initiated. The digital code is converted to its corresponding analog voltage in the DAC and appropriate voltage is available at its output pin.The data acquisition circuit can then be operated on the output from the device. The output from the device can be directly connected to its input such as in data logging systems or connected to a filter or a signal processor for further conditioning. AD7849ANZ device is a cost effective and highly integrated ultra-precision Digital-to-Analog Converter (DAC). Its high resolution and power efficiency makes it a preferred choice for many applications. Its highly flexible architecture, along with its fast settling time, allows it to be used in a variety of data acquisition, multimedia, human-machine interface and medical, industrial, and consumer applications.

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