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Name: DAC7614UB
Brand: Texas Instruments
SKU: DAC7614UB
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 DAC7614UB

Part No.:: DAC7614UB

Manufacturer:: Texas Instruments

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: DAC7614UB.pdf

Description:: IC DAC 12BIT V-OUT 16SOIC

In Stock:: 294

Quantity:: Add To Cart

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DAC7614UB Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
NumberofBits:
12
NumberofD/AConverters:
4
SettlingTime:
10µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
SPI
ReferenceType:
External
Voltage-SupplyAnalog:
±5V
Voltage-SupplyDigital:
5V
INL/DNL(LSB):
±1 (Max), ±1 (Max)
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 85°C

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DAC7614UB information

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DAC7614UB Typical application Circuitry

DAC7614UB

The DAC7614UB is a high-precision digital-to-analog converter (DAC) developed by Texas Instruments, featuring four channels with 12-bit resolution each. This component is expertly designed to convert digital values into analog signals, making it a critical piece in a wide array of applications that require accurate and controlled analog outputs from digital inputs. The DAC7614UB is particularly esteemed in applications such as precision instrumentation, automated calibration systems, analog signal generation for testing equipment, and industrial control systems, where its ability to provide reliable and precise analog output is essential.

Principal Specifications and Features:

- Four 12-Bit Independent DAC Channels: Enables the DAC7614UB to offer four discrete analog outputs, allowing for intricate control systems and multi-faceted signal output configurations.

- Single 5V Power Supply Compatibility: This simplifies the power supply design, making it compatible with a wide range of digital systems and reducing complexity.

- Serial Peripheral Interface (SPI) Support: Guarantees straightforward integration with a broad spectrum of microcontrollers or digital signal processors, facilitating digital communication.

- Individual Output Channels: Enhances the chip's flexibility, permitting each channel to be utilized for different output requirements.

- Efficient Energy Consumption: An important aspect for battery-operated or power-conscious applications, ensuring that the system remains energy efficient without sacrificing performance.

Application Scenario: The DAC7614UB finds its application in a sophisticated multi-channel audio system, where it is tasked with converting digital audio signals into analog form for playback.

In-Depth Circuit Design:

Integrating the DAC7614UB into a multi-channel audio system involves detailed consideration of pin connections and operational guidelines:

1. Digital Signal Input Setup (DIN, Pin 3; SCLK, Pin 4; SYNC, Pin 5): Connect these pins to the SPI bus of an audio processing microcontroller. This connection is pivotal for transmitting digital audio data to the DAC7614UB, which it then converts into analog signals.

2. Analog Output Configuration (AOUT1, Pin 8; AOUT2, Pin 6; AOUT3, Pin 14; AOUT4, Pin 12): These pins output the analog signals that drive the audio amplifiers. Each output can cater to a different audio channel, offering versatility in audio system design.

3. Power Supply and Grounding (VDD, Pin 16; AGND, Pin 7; DGND, Pin 10): A stable 5V supply to VDD is crucial for the DAC7614UB's optimal functionality. Adequate grounding through AGND and DGND is necessary to minimize noise and ensure the purity of the analog signals.

4. Reference Voltage Connection (REF, Pin 15): Attaching an external high-precision reference voltage to this pin allows for adjusting the output voltage range, critical for fine-tuning the audio output levels.

5. Output Signal Smoothing (AOUT1-AOUT4): It is advisable to place low-pass filters on the outputs to eliminate high-frequency noise and ensure that the audio signals are smooth and free of digital artifacts.

Design Considerations:

- Isolation of Digital and Analog Sections: To minimize noise interference, it is crucial to physically separate the digital and analog parts of the circuit, ensuring clean analog outputs.

- Decoupling Capacitors Near Power Pins: Placing decoupling capacitors close to the DAC7614UB's power supply pins is essential for eliminating noise from the power supply and stabilizing the voltage, which is vital for accurate signal conversion.

- Heat Dissipation: While the DAC7614UB is generally not prone to overheating, it is still important to consider thermal management in the design, especially in compact or enclosed spaces.

- Reference Voltage Stability: The precision of the DAC7614UB's outputs heavily relies on the accuracy and stability of the reference voltage. Employing a stable and precise reference voltage source is key to maintaining the integrity of the audio outputs.

Incorporating the DAC7614UB into a multi-channel audio system exemplifies its capability to deliver high-fidelity analog signals from digital inputs, showcasing its suitability for high-quality audio applications. This integration highlights the DAC7614UB's adaptability and precision, marking it as an essential component in the development of complex audio systems that demand high precision and reliability.

DAC7614UB FAQ

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3. Are the DAC7614UB price and inventory displayed accurate?

The price and inventory of DAC7614UB fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DAC7614UB?

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 DAC7614UB we delivered, we will accept the replacement or return of the DAC7614UB 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 DAC7614UB.

(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