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Name: DAC8234SPFB
Brand: Texas Instruments
SKU: DAC8234SPFB
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 DAC8234SPFB

Part No.:: DAC8234SPFB

Manufacturer:: Texas Instruments

Package:: 48-TQFP

Datasheet:: DAC8234SPFB.pdf

Description:: IC DAC 14BIT V-OUT 48TQFP

In Stock:: 3654

Quantity:: Add To Cart

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DAC8234SPFB Specifications

Package/Case:
48-TQFP
Packaging:
Bulk,Tray
Series:
-
ProductStatus:
Active
NumberofBits:
14
NumberofD/AConverters:
4
SettlingTime:
8µs (Typ)
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
SPI, DSP
ReferenceType:
External
Voltage-SupplyAnalog:
4.75V ~ 24V, -4.75V ~ -18V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±0.5 (Max), ±0.5 (Max)
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 105°C

DAC8234SPFB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DAC8234SPFB 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 DAC8234SPFB 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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DAC8234SPFB information

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DAC8234SPFB Typical application Circuitry

DAC8234SPFB

The DAC8234SPFB is a sophisticated digital-to-analog converter (DAC) chip developed by Texas Instruments, featuring four 12-bit channels. This chip excels in transforming digital signals into precise analog voltages, crucial for various applications that demand exact analog control or output driven by digital information. Its importance is especially notable in areas such as industrial automation, precision instrumentation, and any system requiring accurate, multi-channel analog output.

Key Features and Parameters:

- Four 12-Bit DAC Channels: Facilitates the transformation of digital inputs into four distinct analog outputs, enabling complex control mechanisms.

- Single 5V Power Supply Operation: Streamlines power management by functioning effectively with a standard 5V supply, which is prevalent in digital circuits.

- Serial Interface (SPI): Ensures seamless communication with microcontrollers or digital signal processors, simplifying integration into digital environments.

- Independent Channel Outputs: Each channel operates independently, offering flexibility in applications with multiple outputs.

- Low Power Consumption: Makes it an ideal choice for power-sensitive applications, such as portable devices.

Application Scenario: The DAC8234SPFB can be instrumental in a precision battery management system, where it adjusts charging currents and monitors battery health in real-time.

Circuit Design:

Integrating the DAC8234SPFB into a precision battery management system involves meticulous planning regarding its pin layout and connectivity:

1. Digital Interface Configuration (DIN, Pin 3; SCLK, Pin 4; SYNC, Pin 5): These pins should be connected to the microcontroller's SPI interface. This setup facilitates the transmission of digital control signals to the DAC8234SPFB, directing the required analog outputs for managing the charging process and battery monitoring.

2. Analog Output Setup (AOUT1, Pin 8; AOUT2, Pin 6; AOUT3, Pin 14; AOUT4, Pin 12): The analog output pins of the DAC8234SPFB are critical in regulating charging currents and monitoring various battery parameters. Each output can be programmed to represent different charging stages or battery conditions.

3. Power Supply and Grounding (VDD, Pin 16; AGND, Pin 7; DGND, Pin 10): Providing a stable 5V to VDD is crucial for the DAC8234SPFB's optimal operation. Connecting both AGND and DGND to the ground helps in minimizing noise, ensuring accurate analog outputs for the battery management system.

4. Reference Voltage Input (REF, Pin 15): Connecting an external precision reference voltage to this pin enhances the accuracy and flexibility of the output voltage range. This is vital for fine-tuning the battery management system to accommodate specific battery types and charging requirements.

5. Output Signal Conditioning (AOUT1-AOUT4): Implementing low-pass filters on each output channel is recommended to eliminate digital artifacts and noise. This step is essential in maintaining the integrity of the output signals used for precise control over the battery management system.

Design Considerations:

- Separation of Digital and Analog Domains: Designing the circuit layout to physically isolate digital and analog components significantly reduces noise interference, improving the signal quality of the analog outputs.

- Utilization of Decoupling Capacitors: Placing decoupling capacitors close to the DAC8234SPFB's power pins is essential for stabilizing the power supply and mitigating high-frequency noise.

- Thermal Management: Although the DAC8234SPFB is designed to operate efficiently without substantial heat generation, ensuring the device remains within its specified temperature range guarantees reliability and accuracy.

- Accuracy of Reference Voltage: The performance and precision of the DAC8234SPFB heavily depend on the quality of the reference voltage. Using a high-quality, stable reference voltage source is crucial for achieving precise output voltages.

Incorporating the DAC8234SPFB into a precision battery management system exemplifies the chip's ability to provide accurate and controlled analog outputs from digital inputs, showcasing its adaptability and precision for complex electronic control and monitoring systems.

DAC8234SPFB FAQ

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6. What is the process for return or replacement of DAC8234SPFB?

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 DAC8234SPFB we delivered, we will accept the replacement or return of the DAC8234SPFB 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 DAC8234SPFB.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations