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Name: DAC7558IRHBR
Brand: Texas Instruments
SKU: DAC7558IRHBR
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 DAC7558IRHBR

Part No.:: DAC7558IRHBR

Manufacturer:: Texas Instruments

Package:: 32-VFQFN Exposed Pad

Datasheet:: DAC7558IRHBR.pdf

Description:: IC DAC 12BIT V-OUT 32VQFN

In Stock:: 2782

Quantity:: Add To Cart

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DAC7558IRHBR Specifications

Package/Case:
32-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofBits:
12
NumberofD/AConverters:
8
SettlingTime:
5µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
SPI, DSP
ReferenceType:
External
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±0.35, ±0.08
Architecture:
String DAC
OperatingTemperature:
-40°C ~ 105°C

DAC7558IRHBR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DAC7558IRHBR 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 DAC7558IRHBR 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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DAC7558IRHBR information

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DAC7558IRHBR Typical application Circuitry

DAC7558IRHBR

The DAC7558IRHBR is an integrated digital-to-analog converter (DAC) featuring an 8-channel output with a 12-bit resolution. Manufactured by Texas Instruments, this DAC is tailored for applications where precise analog voltage control is essential, and multiple outputs are required from a single device. The DAC7558IRHBR's design makes it an ideal choice for varied applications such as industrial automation systems, precision instrumentation, and any scenario where space and power efficiency are valued.

Core Specifications:

- Resolution: 12 bits, ensuring detailed analog output suitable for nuanced control tasks.

- Channels: 8, allowing multiple independent analog outputs from a single chip, which simplifies circuit design and reduces hardware complexity.

- Interface: Serial (SPI), providing straightforward integration with microcontrollers or processors, facilitating digital communication and control.

- Power Supply Range: Operates between 2.7V to 5.5V, offering flexibility in various electrical environments, from battery-operated devices to fixed installations.

- Low Power Consumption: Designed to minimize energy usage, a critical feature for portable or energy-sensitive applications.

Application Scenario: A compelling usage for the DAC7558IRHBR is within a multi-channel audio processing system, where it serves to control audio signal levels across several pathways, each requiring individual adjustment. In this setup, the DAC's outputs can adjust volume, balance, or equalization settings, demonstrating its utility in audio engineering and sound system design.

Detailed Circuit Integration:

Embedding the DAC7558IRHBR into a multi-channel audio processing system involves understanding several crucial connections and design considerations:

1. Serial Communication Setup (SCLK, DIN, SYNC, Pins 16, 15, 14 respectively): These pins facilitate SPI communication with a controlling processor. To ensure reliable data transfer, maintain short and direct connections, and consider electromagnetic compatibility (EMC) practices to shield these lines from interference.

2. Analog Outputs (OUTA to OUTH, Pins 1-8): Direct these pins to individual audio channels' input stages. Given the audio application's sensitivity, routing these traces away from noisy circuits and employing filtering may be necessary to maintain signal integrity.

3. Stable Power Supply (VDD, Pin 24; GND, Pin 23): Supplying a noise-free voltage to the VDD pin while ensuring a solid ground connection is essential for optimal DAC performance. Close placement of decoupling capacitors near these pins will help filter supply noise, enhancing output signal quality.

4. External Reference Voltage (VREF, Pin 9): To achieve the desired dynamic range in your audio application, connecting a precise and stable external reference voltage to this pin is critical. The stability and accuracy of VREF significantly influence the DAC's overall performance.

5. Update Control (LDAC, Pin 10; CLR, Pin 11): LDAC enables simultaneous updating of all DAC outputs when driven low, useful for synchronous channel adjustments. CLR allows for resetting DAC outputs, providing a quick way to mute all channels or return to a baseline state for system initialization or error recovery.

Design Considerations:

- Precision and Noise: Ensuring the DAC outputs are as precise and noise-free as possible is crucial in audio applications. Implementing proper PCB layout techniques to separate digital and analog grounds and using shielded cables for analog signals can mitigate potential noise issues.

- Timing Control: Accurate control over the timing of SPI communication and DAC update signals (LDAC) is vital to prevent glitches in the audio output.

- Thermal Management: While the DAC7558IRHBR is low-power, operating multiple channels at high output levels in a confined space could raise thermal concerns. Adequate ventilation or heatsinking may be necessary depending on the enclosure design.

- Reference Voltage Stability: The choice of reference voltage source is paramount. For audio applications, a low-drift, low-noise reference will contribute significantly to maintaining consistent audio quality across all output channels.

By meticulously integrating the DAC7558IRHBR following these guidelines, one can develop a sophisticated multi-channel audio processing system capable of delivering high-fidelity sound control. This example not only underscores the DAC7558IRHBR's adaptability to complex audio applications but also its effectiveness in providing fine-grained control over multiple analog outputs, showcasing its broad utility in advanced electronic systems.

DAC7558IRHBR FAQ

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6. What is the process for return or replacement of DAC7558IRHBR?

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 DAC7558IRHBR we delivered, we will accept the replacement or return of the DAC7558IRHBR 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 DAC7558IRHBR.

(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