AD7225LPZ

Reference Type:	External
Base Part Number:	AD7225
Supplier Device Package:	28-PLCC (11.51x11.51)
Package / Case:	28-LCC (J-Lead)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5 (Max), ±1 (Max)
Voltage - Supply, Digital:	14.25 V ~ 15.75 V
Voltage - Supply, Analog:	11.4 V ~ 16.5 V, -5V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	4µs
Number of D/A Converters:	4
Number of Bits:	8
Part Status:	Active
Packaging:	Tube

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AD7225LPZ is a digital-to-analog converter (DAC) manufactured by Analog Devices. It has a low-voltage power supply with a nominal voltage range of +2.7V to +3.6V. The device has a package of 16-pin quad flat no-lead (QFN), and its operating temperature range is -40°C to +85°C. It supports I2C- and SPI-compatible, serial interfaces, and also provides a fast settling time and high-accuracy output currents.The AD7225LPZ provides a full range of solutions for a variety of applications. It is widely used in industrial automation, medical equipment, test and measurement, consumer electronics, and telecommunications applications, among others.The DAC can produce a 0- to 11-bit resolution, and can operate with a maximum sampling frequency of up to 12kHz. It has an internal crystal oscillator, which provides complete stability, allowing users to achieve the highest accuracy. The integrated charge pump circuit eliminates the need for an additional external power supply and also reduces the size of the required circuit.The AD7225LPZ is a low-noise and low-drift DAC. Its on-chip digital filters provide low noise at frequencies greater than 600kHz and low drift over temperature. It also offers several power-down modes with standby current levels as low as 1.5uA and shutdown currents as low as 50nA.In terms of its working principle, the AD7225LPZ DAC uses pulse-width-modulated control of the analog-to-digital converter (ADC) and digital-to-analog converter (DAC). The DAC includes a resistor ladder network and an integrating amplifier, which converts the input digital signal into an analog voltage or current. The DAC also has an internal reference voltage, which is used to reference the DAC outputs. The highest resolution of the DAC is selected via the serial interface, and then the digital code is converted into a voltage or current.In summary, AD7225LPZ is a low-power, low-noise, low-drift digital-to-analog converter manufactured by Analog Devices, and it is widely used in a variety of applications, including industrial automation, medical equipment, test and measurement, consumer electronics, and telecommunications. Its working principle relies on pulse-width-modulated control of the analog-to-digital converter (ADC) and digital-to-analog converter (DAC), and it offers a high accuracy, fast settling time and low power consumption.

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