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Name: AD8522ARZ
Brand: Analog Devices Inc.
SKU: AD8522ARZ
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. AD8522ARZ

Part No.:: AD8522ARZ

Manufacturer:: Analog Devices Inc.

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

Datasheet:: AD8522ARZ.pdf

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

In Stock:: 2876

Quantity:: Add To Cart

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AD8522ARZ Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
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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AD8522ARZ information

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AD8522ARZ Typical application Circuitry

AD8522ARZ

The AD8522ARZ is a dual 12-bit digital-to-analog converter (DAC) designed for high-speed, high-precision applications. It features a serial input interface and a fast settling time, making it suitable for use in various applications, including waveform generation, automated test equipment, and process control systems.

Application Scenario: One common application for the AD8522ARZ is in waveform generation for signal processing equipment. In this scenario, the AD8522ARZ can be used to generate precise analog signals from digital inputs, which are then used in signal processing tasks such as filtering or modulation.

Circuit Design for Waveform Generation:

1. Power Supply Connections: Connect the VDD pin (pin 16) of the AD8522ARZ to a +5V power supply and the GND pin (pin 8) to the ground. These connections provide the necessary power for the operation of the DAC.

2. Reference Voltage: Connect a stable reference voltage to the VREF pin (pin 14). This voltage determines the full-scale output of the DAC. For a 0-5V output range, use a +5V reference.

3. Digital Input: The serial data input (SDIN, pin 11) receives the digital signal to be converted. Connect this pin to the digital output of a microcontroller or another digital source.

4. Clock Input: The serial clock input (SCLK, pin 10) synchronizes the data transfer. Connect this pin to a clock source with a frequency compatible with the DAC's speed requirements.

5. Load DAC Registers: The LDAC pin (pin 13) is used to load the input registers of the DAC. Connect this pin to the ground to enable immediate updating of the DAC output with each new input word.

6. Output: The analog output of the DAC is available at the VOUTA (pin 4) and VOUTB (pin 6) pins. These can be connected to the input of an analog signal processing circuit or directly to a load, depending on the application.

Design Considerations:

- Power Supply Filtering: Use decoupling capacitors near the power supply pins to filter out noise and ensure stable operation.

- Reference Voltage Stability: Choose a high-precision and low-drift voltage reference to maintain the accuracy of the DAC output over time and temperature variations.

- Signal Integrity: Use short, direct traces for the digital inputs and clock lines to minimize signal degradation and ensure accurate data transfer.

- Output Filtering: Depending on the application, it may be necessary to add a low-pass filter at the DAC output to smooth the analog signal and remove high-frequency components resulting from the digital-to-analog conversion process.

By carefully designing the circuit and considering these factors, the AD8522ARZ can be effectively used in waveform generation applications to produce precise and stable analog signals from digital inputs.

AD8522ARZ FAQ

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3. Are the AD8522ARZ price and inventory displayed accurate?

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6. What is the process for return or replacement of AD8522ARZ?

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 AD8522ARZ we delivered, we will accept the replacement or return of the AD8522ARZ 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 AD8522ARZ.

(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