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Name: DAC8822QBDBT
Brand: Texas Instruments
SKU: DAC8822QBDBT
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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Texas Instruments DAC8822QBDBT

Part No.:: DAC8822QBDBT

Manufacturer:: Texas Instruments

Package:: 38-TFSOP (0.173, 4.40mm Width)

Datasheet:: DAC8822QBDBT.pdf

Description:: IC DAC 16BIT A-OUT 38TSSOP

In Stock:: 2547

Quantity:: Add To Cart

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DAC8822QBDBT Specifications

Package/Case:
38-TFSOP (0.173, 4.40mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
NumberofBits:
16
NumberofD/AConverters:
2
SettlingTime:
500ns (Typ)
OutputType:
Current - Unbuffered
DifferentialOutput:
No
DataInterface:
Parallel
ReferenceType:
External
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±2 (Max), ±0.5
Architecture:
Multiplying DAC
OperatingTemperature:
-40°C ~ 125°C

DAC8822QBDBT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DAC8822QBDBT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DAC8822QBDBT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DAC8822QBDBT information

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DAC8822QBDBT Typical application Circuitry

DAC8822QBDBT

The DAC8822QBDBT is a highly sophisticated, dual-channel, 16-bit precision digital-to-analog converter (DAC) engineered by Texas Instruments. This component is renowned for its ability to deliver precise analog voltages from digital inputs, making it invaluable in applications demanding exact signal control and modulation. It operates seamlessly through a Serial Peripheral Interface (SPI), ensuring compatibility and easy integration with a vast range of microcontrollers and DSPs. The device's versatility is further enhanced by its operation across a wide power supply range of +2.7V to +5.5V, its energy-efficient design, and a dedicated power-down mode that conserves power when the DAC is not actively in use. With its 16-bit resolution, the DAC8822QBDBT offers exceptional granularity in analog output, positioning it as an ideal choice for precision instrumentation, sophisticated industrial controls, detailed data acquisition systems, and custom automated test equipment.

Core Attributes and Specifications:

- Dual Independent Channels: This DAC features two channels, enabling simultaneous analog output conversions with 16-bit precision for intricate application requirements.

- SPI Interface: Provides robust and flexible digital communication, facilitating straightforward interfacing with digital control architectures.

- Broad Power Supply Compatibility: Designed to accommodate a range of +2.7V to +5.5V, it offers flexibility in diverse operational environments.

- Energy-Efficient Operation: Its low power consumption and specialized power-down mode underscore the DAC's suitability for energy-conscious applications.

- 16-Bit Resolution: Guarantees detailed and accurate analog outputs, essential for precision-driven tasks.

Application Scenario: A prime application of the DAC8822QBDBT is in controlling a precision laboratory power supply, where it modulates output voltages or currents in response to digital commands, ensuring highly accurate power delivery for experimental setups and device testing.

Circuit Design Strategy:

Incorporating the DAC8822QBDBT into a precision laboratory power supply involves a comprehensive approach to its pin configuration and interconnections:

1. Digital Interface Setup (SDI, Pin 3; SCLK, Pin 4; SYNC, Pin 2): These pins are crucially wired to the SPI bus of the power supply's controlling microprocessor. This configuration transmits digital control data to the DAC8822QBDBT, converting it into analog signals that precisely adjust the power supply's output.

2. Analog Voltage Outputs (OUTA, Pin 6; OUTB, Pin 7): The DAC's channels output analog signals via these pins. These outputs are then directed to the power supply's regulation circuitry, adjusting voltage or current levels to meet specified requirements.

3. Power Input and Grounding (VDD, Pin 8; DGND, Pin 5; AGND, Pin 10): A consistent power supply within the specified voltage range is connected to VDD. Both DGND and AGND must be grounded, with meticulous attention to minimizing noise by separating digital and analog grounds.

4. Reference Voltage Application (REFAB, Pin 9): This pin receives a stable, accurate external reference voltage, defining the output voltage range. The selection of the reference voltage is pivotal, influencing the precision and adaptability of the power supply's outputs.

5. Power-Down Functionality (PD, Pin 1): Employing this feature enables significant power savings by reducing the DAC's power consumption when idle, promoting efficient energy use throughout the system.

Design Considerations:

- Noise Suppression: Advanced noise reduction techniques, including dedicated digital and analog ground planes and strategic circuit layout, are essential to preserve signal integrity.

- Stabilized Power Supply: Implementing decoupling capacitors close to the DAC8822QBDBT's power inputs can help ensure a stable voltage supply, critical for consistent DAC operation.

- Quality of Reference Voltage: The output accuracy largely hinges on the external reference voltage's quality. Selecting a premium, stable reference source is crucial for achieving optimal performance.

- Thermal Management: Proper management of thermal conditions is necessary to maintain the DAC within its operational temperature range, ensuring reliability and extending service life.

- Output Signal Optimization: Incorporating low-pass filters at the DAC's outputs may be essential to eliminate unwanted noise, ensuring the laboratory power supply provides clean and precise voltage or current outputs.

By deploying the DAC8822QBDBT in a precision laboratory power supply, its ability to provide accurate and stable analog outputs from digital inputs is underscored, highlighting its excellence and versatility in applications requiring rigorous voltage or current control.

DAC8822QBDBT FAQ

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6. What is the process for return or replacement of DAC8822QBDBT?

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 DAC8822QBDBT we delivered, we will accept the replacement or return of the DAC8822QBDBT 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 DAC8822QBDBT.

(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