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Name: DAC8568IBPW
Brand: Texas Instruments
SKU: DAC8568IBPW
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 DAC8568IBPW

Part No.:: DAC8568IBPW

Manufacturer:: Texas Instruments

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

Datasheet:: DAC8568IBPW.pdf

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

In Stock:: 2257

Quantity:: Add To Cart

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DAC8568IBPW 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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DAC8568IBPW information

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DAC8568IBPW Typical application Circuitry

DAC8568IBPW

The DAC8568IBPW is a high-precision, octal (eight-channel), 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. This chip is designed to convert digital input data into accurate analog output voltages across eight independent channels, making it exceptionally suited for applications that require precise and simultaneous control over multiple analog signals. Its notable features include an integrated 2.5V reference voltage, low power consumption, a wide operating voltage range, and a Serial Peripheral Interface (SPI), positioning it as an ideal choice for use in industrial automation, medical devices, data acquisition systems, and precision instrumentation.

Key Features and Parameters:

- Octal 16-Bit DAC Channels: Enables the simultaneous conversion of digital inputs to eight precise analog outputs.

- Integrated 2.5V Reference Voltage: Provides a stable reference for the DAC outputs, enhancing output accuracy.

- SPI Communication: Allows for efficient digital communication with controllers or processors, enabling fast and reliable data transfer.

- Low Power Consumption: Optimizes energy usage, making it suitable for power-sensitive applications.

- Wide Operating Voltage Range: Accommodates various system power requirements, adding flexibility to system design.

Application Scenario: A practical application for the DAC8568IBPW is in a sophisticated automated testing system, where it controls test signals across multiple channels to evaluate the performance of electronic components or systems.

Detailed Circuit Design:

Configuring the DAC8568IBPW in an automated testing system involves meticulous attention to the following pin configuration and system integration:

1. SPI Digital Interface Setup (DIN, Pin 40; SCLK, Pin 39; SYNC, Pin 38): Interface these pins with the SPI bus of the system's controlling microcontroller or processor. This connection is essential for sending digital control commands to the DAC8568IBPW, dictating the analog outputs for testing purposes.

2. Analog Outputs for Test Signal Control (VOUT0 to VOUT7, Pins 14-21): Connect these pins to the inputs of the devices or circuits under test. The ability of the DAC8568IBPW to generate eight distinct analog voltages allows for the precise adjustment of test parameters across multiple channels.

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

4. Integrated Reference Voltage Utilization (REFIO, Pin 35; REFGND, Pin 36): Leveraging the DAC8568IBPW's integrated 2.5V 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 smooth the analog voltages and eliminate any potential high-frequency noise, ensuring precise and clean test signals.

Design Considerations:

- Isolation Between Digital and Analog Domains: Maintaining physical and electrical separation between the DAC8568IBPW's digital communication interface and the analog output paths is crucial to prevent digital noise from affecting the analog signals.

- Decoupling Capacitors for Power Stability: Placing decoupling capacitors close to the DAC8568IBPW's power supply pins is essential for filtering out noise and stabilizing the power supply, ensuring consistent DAC performance.

- Thermal Management: While the DAC8568IBPW is designed for low power consumption, proper thermal management within the circuit design is beneficial to prevent potential issues related to heat, especially in continuous operation.

- Reference Voltage Accuracy: The precision of the automated testing system heavily relies on the stability and accuracy of the integrated reference voltage. Ensuring the DAC8568IBPW's reference voltage remains stable and accurate is fundamental for achieving reliable and precise test results.

Incorporating the DAC8568IBPW into an automated testing system exemplifies the DAC's capability to deliver accurate and controlled analog outputs from digital inputs, highlighting its utility and precision in applications requiring multi-channel, high-resolution DAC functionalities for sophisticated testing and evaluation purposes.

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6. What is the process for return or replacement of DAC8568IBPW?

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 DAC8568IBPW we delivered, we will accept the replacement or return of the DAC8568IBPW 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 DAC8568IBPW.

(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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