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Name: DAC7565ICPW
Brand: Texas Instruments
SKU: DAC7565ICPW
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 DAC7565ICPW

Part No.:: DAC7565ICPW

Manufacturer:: Texas Instruments

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

Datasheet:: DAC7565ICPW.pdf

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

In Stock:: 295

Quantity:: Add To Cart

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DAC7565ICPW Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
NumberofBits:
12
NumberofD/AConverters:
4
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):
±0.5, ±0.1
Architecture:
String DAC
OperatingTemperature:
-40°C ~ 105°C

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DAC7565ICPW information

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DAC7565ICPW Typical application Circuitry

DAC7565ICPW

The DAC7565ICPW is a high-precision, quad-channel, 12-bit digital-to-analog converter (DAC) chip manufactured by Texas Instruments. This chip is tailored for applications requiring multiple analog outputs from digital input signals, making it an essential component in systems where accurate and simultaneous analog signal generation is necessary. Its flexibility and precision are beneficial in fields like industrial automation, process control, and data acquisition systems, where it can serve as a bridge between digital computing and analog control or monitoring.

Key Features and Parameters:

- Quad 12-Bit DACs: Each of the four DACs can independently convert 12-bit digital input into a precise analog output, enabling complex multi-signal control schemes.

- Integrated Output Amplifiers: Offers buffered outputs for direct connection to the load without the need for external buffer amplifiers.

- Single Supply Operation: Operates from a single 5V power supply, simplifying power management in embedded systems.

- SPI Interface: Features a Serial Peripheral Interface (SPI) for communication with microcontrollers or digital signal processors, allowing for straightforward integration into digital systems.

- Low Power Consumption: Designed for efficiency, which is critical in portable or power-sensitive applications.

Application Scenario: Utilizing the DAC7565ICPW in a multi-channel data acquisition system showcases its ability to provide accurate and simultaneous analog outputs for sensor simulation or actuator control.

Circuit Design:

Incorporating the DAC7565ICPW into a multi-channel data acquisition system involves detailed planning around several critical connections and operational considerations:

1. Digital Interface Connection (SCLK, Pin 2; SYNC, Pin 3; DIN, Pin 4; DOUT, Pin 5): Connect these pins to the SPI bus of the microcontroller or digital signal processor. This setup allows for the transfer of digital data to the DAC7565ICPW, controlling the analog output levels.

2. Analog Outputs (OUTA, Pin 6; OUTB, Pin 7; OUTC, Pin 8; OUTD, Pin 9): These pins provide the analog output from each of the four DAC channels. In a data acquisition system, these outputs can be connected to simulate sensor signals or control actuators directly.

3. Power Supply and Grounding (VDD, Pin 24; AGND, Pin 11; DGND, Pin 1): Ensuring a stable and noise-free power supply to the VDD pin is crucial for maintaining the DAC's accuracy. Both AGND (analog ground) and DGND (digital ground) should be connected to the system's ground plane, with careful layout to minimize noise transfer between digital and analog sections.

4. Load Connection Considerations: When connecting the DAC outputs to the rest of the system, it's important to consider the load impedance. The integrated output amplifiers can drive loads directly, but optimizing the performance for specific load conditions enhances the system's overall response and accuracy.

5. Reference Voltage Input (REF, Pin 23): This pin allows for an external reference voltage to be connected, providing flexibility in setting the output voltage range. For most precision applications, a stable and precise reference voltage is crucial.

Design Considerations:

- Digital Noise Isolation: Care should be taken to isolate the digital interface lines from the analog output paths to prevent digital switching noise from affecting the analog signals.

- Power Supply Decoupling: Decoupling capacitors should be placed close to the VDD pin to filter out noise from the power supply, ensuring clean and stable operation.

- Reference Voltage Stability: The accuracy of the analog outputs heavily depends on the stability of the reference voltage. Using a high-quality, low-drift reference voltage is recommended.

- Thermal Management: While the DAC7565ICPW typically operates within a low power envelope, managing the thermal environment can help maintain consistent performance across varying temperatures.

Integrating the DAC7565ICPW into a multi-channel data acquisition system demonstrates the DAC's effectiveness in providing precise, simultaneous analog outputs based on digital inputs. This scenario highlights the chip's applicability in sophisticated control and monitoring applications, emphasizing its versatility and precision in translating digital commands into analog actions.

DAC7565ICPW FAQ

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6. What is the process for return or replacement of DAC7565ICPW?

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 DAC7565ICPW we delivered, we will accept the replacement or return of the DAC7565ICPW 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 DAC7565ICPW.

(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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