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Name: AD8522AR
Brand: Analog Devices Inc.
SKU: AD8522AR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. AD8522AR

Part No.:: AD8522AR

Manufacturer:: Analog Devices Inc.

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: AD8522AR.pdf

Description:: IC DAC 12BIT V-OUT 14SO

In Stock:: 2834

Quantity:: Add To Cart

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AD8522AR Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
NumberofBits:
12
NumberofD/AConverters:
2
SettlingTime:
16µs (Typ)
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
SPI
ReferenceType:
Internal
Voltage-SupplyAnalog:
5V
Voltage-SupplyDigital:
5V
INL/DNL(LSB):
±0.5, ±0.5
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 85°C

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AD8522AR information

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AD8522AR Typical application Circuitry

AD8522AR

The AD8522AR is a dual 12-bit digital-to-analog converter (DAC) renowned for its precision and efficiency in automation and control systems. It stands out with its swift settling time, modest power consumption, and integrated output amplifiers, making it a preferred choice for applications demanding exactitude and low energy usage.

Applications and Characteristics:

- Automated Test Equipment (ATE): Employed in ATE for generating precise stimulus signals to test electronic components and systems.

- Motion Control: Utilized in motion control systems for accurate positioning and speed control of motors and actuators.

- Precision Voltage Generation: Suitable for generating stable and precise voltages in calibration and reference systems.

- Key Features: The AD8522AR is celebrated for its rapid settling time, energy efficiency, and built-in output amplifiers, making it a top selection for high-accuracy applications.

Circuit Design - Example: Voltage Generation in a Calibration System Using the AD8522AR:

1. Power Supply Connection: Attach a +5V supply to the VDD pin (Pin 24) and link the GND pin (Pin 12) to the system's ground.

2. Digital Input Configuration: Interface the digital control signals with the data input pins D0-D11 (Pins 2-11 and 14-21) for both DAC channels to dictate the output voltage levels.

3. Output Amplifier Setup: Harness the in-built output amplifiers by connecting resistors from the VOUTA (Pin 22) and VOUTB (Pin 23) pins to the inverting input pins (Pin 13 for DAC A and Pin 1 for DAC B) to set the output voltage range.

4. Reference Voltage Application: Connect a high-precision reference voltage source to the REF IN pin (Pin 25) to establish the full-scale output voltage for the DACs.

5. Decoupling Capacitors Placement: Situate decoupling capacitors close to the power supply and reference voltage pins to diminish noise and guarantee stable operation of the AD8522AR.

Key Considerations:

- Power Supply Decoupling: Implement high-quality decoupling capacitors to reduce power supply noise and uphold the AD8522AR's performance.

- Reference Voltage Precision: Ascertain the reference voltage's stability and accuracy to preserve the DAC output's precision.

- Output Signal Filtering: Contemplate incorporating low-pass filters at the DAC outputs to attenuate noise and smoothen the output signals.

- Digital Input Signal Quality: Ensure that the digital input signals are clean and free from noise to avert errors in the DAC output.

Incorporating the AD8522AR into systems like voltage generation in calibration equipment necessitates meticulous attention to power supply decoupling, reference voltage precision, output signal filtering, and digital input signal quality to fully harness its capabilities for dual high-precision digital-to-analog conversion in automation and control systems.

AD8522AR FAQ

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6. What is the process for return or replacement of AD8522AR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD8522AR we delivered, we will accept the replacement or return of the AD8522AR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AD8522AR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations