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Name: DAC8568ICPW
Brand: Texas Instruments
SKU: DAC8568ICPW
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 DAC8568ICPW

Part No.:: DAC8568ICPW

Manufacturer:: Texas Instruments

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: DAC8568ICPW.pdf

Description:: IC DAC 16BIT V-OUT 16TSSOP

In Stock:: 472

Quantity:: Add To Cart

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DAC8568ICPW Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
NumberofBits:
16
NumberofD/AConverters:
8
SettlingTime:
10µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
SPI, DSP
ReferenceType:
External, Internal
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±4, ±0.2
Architecture:
String DAC
OperatingTemperature:
-40°C ~ 125°C

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DAC8568ICPW information

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DAC8568ICPW Typical application Circuitry

DAC8568ICPW

The DAC8568ICPW is a state-of-the-art, octal-channel (eight-channel), 16-bit precision digital-to-analog converter (DAC) developed by Texas Instruments. This device is engineered to provide accurate analog output voltages from digital input signals, making it highly suitable for a broad spectrum of applications that demand precise and simultaneous control over multiple analog outputs. Key features include its high resolution, integrated precision reference, low power consumption, and a flexible Serial Peripheral Interface (SPI), positioning it as an exceptional choice for industrial automation, data acquisition systems, precision instrumentation, and programmable logic controllers (PLCs), among others.

Key Features and Parameters:

- Octal 16-Bit DAC Channels: Enables precise analog output across eight independent channels, facilitating complex or multifaceted control tasks.

- Integrated Precision Reference: Offers a stable reference for the DAC outputs, enhancing the accuracy and consistency of the analog outputs.

- SPI Communication: Provides efficient and straightforward digital communication, allowing for seamless integration with microcontrollers or processors.

- Low Power Consumption: Ideal for applications where energy efficiency is paramount, including portable or battery-operated devices.

- Wide Operating Voltage Range: Supports a variety of system voltages, adding versatility to different electrical configurations.

Application Scenario: An excellent utilization of the DAC8568ICPW is in the development of a multi-channel programmable laboratory power supply, which requires the generation of various precise voltage levels for testing or calibration purposes.

Detailed Circuit Design:

Incorporating the DAC8568ICPW into a multi-channel programmable laboratory power supply involves meticulous planning around its pin configuration and system integration:

1. SPI Digital Communication Configuration (DIN, Pin 40; SCLK, Pin 39; SYNC, Pin 38): These pins must be connected to the SPI bus of the control microcontroller. This setup is critical for transmitting digital voltage level commands to the DAC8568ICPW, which then accurately converts these commands into analog voltages for each channel.

2. Analog Outputs for Voltage Generation (VOUT0 to VOUT7, Pins 14-21): Connect these pins to the voltage input terminals of the power supply circuit. The DAC8568ICPW's capability to generate distinct and precise voltages on each channel allows for the power supply to output multiple voltage levels simultaneously.

3. Power Supply and Grounding (AVDD, Pin 24; DVDD, Pin 23; AGND, Pins 22, 41-43; DGND, Pin 37): Ensure a stable and clean power supply to both AVDD and DVDD for optimal DAC operation. Proper grounding through AGND and DGND is essential to minimize noise and ensure the integrity of the analog outputs.

4. Integrated Reference Voltage Configuration (REFIO, Pin 35; REFGND, Pin 36): Utilizing the DAC8568ICPW's integrated precision reference voltage is crucial for achieving stable and accurate output voltages. Proper configuration of this reference ensures consistent performance across all channels.

5. Output Signal Conditioning (VOUT0-VOUT7): Implementing low-pass filters on the outputs may be necessary to ensure the analog voltages are smooth and devoid of high-frequency noise, critical for sensitive testing and calibration applications.

Design Considerations:

- Isolation Between Digital and Analog Domains: It's crucial to maintain clear separation between the DAC8568ICPW's digital communication interface and the analog output paths to prevent digital noise from affecting the analog signals.

- Decoupling Capacitors for Power Supply Stability: Placing decoupling capacitors close to the DAC8568ICPW's power supply pins is vital for filtering out noise and stabilizing the power supply, ensuring consistent DAC performance.

- Thermal Management: While the DAC8568ICPW is designed for low power consumption, attention to thermal management within the circuit design is beneficial to prevent potential issues related to heat, especially in continuous or high-demand operation.

- Reference Voltage Stability: The precision of the programmable laboratory power supply heavily relies on the stability and accuracy of the integrated reference voltage. Ensuring the DAC8568ICPW's reference voltage remains stable and accurate is fundamental for achieving reliable and precise voltage outputs.

By leveraging the DAC8568ICPW in a multi-channel programmable laboratory power supply, one can exploit its octal-channel, high-resolution output capability to produce accurate and controlled analog voltages, illustrating its utility and precision in applications requiring detailed analog signal control for advanced testing and calibration systems.

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6. What is the process for return or replacement of DAC8568ICPW?

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 DAC8568ICPW we delivered, we will accept the replacement or return of the DAC8568ICPW 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 DAC8568ICPW.

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

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(1)Inform us within 90 days

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