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Name: DAC8555IPWR
Brand: Texas Instruments
SKU: DAC8555IPWR
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 DAC8555IPWR

Part No.:: DAC8555IPWR

Manufacturer:: Texas Instruments

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

Datasheet:: DAC8555IPWR.pdf

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

In Stock:: 3596

Quantity:: Add To Cart

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DAC8555IPWR Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
microPOWER™
ProductStatus:
Obsolete
NumberofBits:
16
NumberofD/AConverters:
4
SettlingTime:
10µs
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):
±4, ±0.25
Architecture:
String DAC
OperatingTemperature:
-40°C ~ 105°C

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DAC8555IPWR information

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DAC8555IPWR Typical application Circuitry

DAC8555IPWR

The DAC8555IPWR is a highly integrated, low-power, quad-channel, 16-bit digital-to-analog converter (DAC) designed by Texas Instruments. This chip is adept at converting digital input signals into precise analog voltages, providing a solution for applications that require multiple high-resolution analog outputs. It is particularly well-suited for precision instrumentation, automated test equipment, industrial control systems, and battery-powered devices due to its excellent accuracy, low power consumption, and compact form factor.

Key Features and Parameters:

- Quad 16-Bit DAC Outputs: Delivers four independent analog outputs, allowing for precise control of multiple signals simultaneously.

- Serial Peripheral Interface (SPI): Ensures easy integration with microcontrollers and digital signal processors for efficient communication and data transfer.

- Low Power Consumption: Optimized for energy efficiency, making it suitable for portable and battery-operated applications.

- Wide Supply Voltage Range: Accommodates a variety of operating voltages, providing flexibility in different system designs.

- Compact Package: The small TSSOP-16 package saves valuable board space in densely packed electronic assemblies.

Application Scenario: A compelling application for the DAC8555IPWR is in a multi-channel analog output module for a programmable logic controller (PLC), where it generates various control signals for industrial automation processes.

Circuit Design:

Implementing the DAC8555IPWR in a multi-channel analog output module involves detailed planning around its pin configuration and system integration:

1. SPI Communication Interface (DIN, Pin 16; SCLK, Pin 15; SYNC, Pin 14): These pins are to be connected to the SPI bus of the PLC's processing unit. This connection is pivotal for transmitting digital output commands to the DAC8555IPWR, which are then converted into analog voltages for controlling industrial processes.

2. Analog Output Channels (VOUT A, Pin 6; VOUT B, Pin 8; VOUT C, Pin 10; VOUT D, Pin 12): The analog outputs from these pins are routed to the interface circuitry of the output module. Each channel can control different aspects of the industrial process, such as valve positions, motor speeds, or temperature settings, with high precision.

3. Power Supply and Grounding (VDD, Pin 13; GND, Pin 7): Providing a stable and clean power supply to VDD is crucial for the optimal performance of the DAC8555IPWR. A solid connection to GND is necessary to minimize noise, ensuring the accuracy of the analog outputs.

4. Reference Voltage Input (REF, Pin 9): An external precision reference voltage connected to this pin defines the full-scale output voltage range of the DAC channels. This enables precise calibration of the output signals according to the requirements of the industrial processes being controlled.

5. Output Filtering (VOUT A-D): Incorporating low-pass filters on the outputs may be necessary to eliminate high-frequency noise and ensure smooth analog signals. This step is crucial for maintaining signal integrity, especially in noisy industrial environments.

Design Considerations:

- Isolation of Digital and Analog Sections: It's important to physically and electrically isolate the SPI communication lines from the analog output paths to prevent digital noise from affecting the analog signals.

- Decoupling Capacitors: Placing decoupling capacitors close to the DAC8555IPWR's power supply pins is essential for filtering out noise and stabilizing the power supply, ensuring consistent and accurate DAC performance.

- Thermal Management: Although the DAC8555IPWR is designed for low power consumption, attention should still be given to thermal management to prevent performance degradation in high-temperature industrial settings.

- Reference Voltage Stability: The precision of the output module heavily depends on the stability and accuracy of the reference voltage supplied to the DAC8555IPWR. Selecting a high-quality, stable reference voltage source is critical for achieving dependable and precise control signals.

Designing a multi-channel analog output module with the DAC8555IPWR underscores the DAC's capability to provide accurate and controlled analog outputs from digital inputs, demonstrating its efficiency and precision in industrial automation applications requiring multi-channel, high-resolution DAC functionalities.

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6. What is the process for return or replacement of DAC8555IPWR?

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 DAC8555IPWR we delivered, we will accept the replacement or return of the DAC8555IPWR 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 DAC8555IPWR.

(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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