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DAC7678SPWR
Product Overview
Category: Digital-to-Analog Converter (DAC)
Use: The DAC7678SPWR is a high-performance, 12-bit digital-to-analog converter designed for various applications that require precise analog output generation. It is commonly used in industrial automation, test and measurement equipment, audio systems, and communication devices.
Characteristics: - Resolution: 12 bits - Number of Channels: 8 - Interface: Serial Peripheral Interface (SPI) - Output Type: Voltage - Supply Voltage: 2.7V to 5.5V - Operating Temperature Range: -40°C to +125°C
Package: The DAC7678SPWR is available in a small-footprint, space-saving TSSOP-16 package, which ensures easy integration into compact designs.
Essence: This DAC offers high precision and accuracy in converting digital signals into corresponding analog voltages. It provides a reliable and efficient solution for generating analog outputs with excellent linearity and low distortion.
Packaging/Quantity: The DAC7678SPWR is typically sold in reels containing 2500 units per reel.
Specifications
- Resolution: 12 bits
- Number of Channels: 8
- Output Type: Voltage
- Output Range: 0V to Vref
- Reference Voltage Range: 2.5V to 5.5V
- Integral Nonlinearity (INL): ±1 LSB (max)
- Differential Nonlinearity (DNL): ±0.5 LSB (max)
- Settling Time: 10 µs (typ)
- Power Supply Rejection Ratio (PSRR): 90 dB (typ)
- Total Harmonic Distortion (THD): -100 dB (typ)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The DAC7678SPWR features a TSSOP-16 package with the following pin configuration:
- VDD: Power supply voltage
- VREF: Reference voltage input
- AGND: Analog ground
- OUTA: Analog output for channel A
- OUTB: Analog output for channel B
- OUTC: Analog output for channel C
- OUTD: Analog output for channel D
- OUTE: Analog output for channel E
- OUTF: Analog output for channel F
- OUTG: Analog output for channel G
- OUTH: Analog output for channel H
- SCLK: Serial clock input (SPI)
- DIN: Serial data input (SPI)
- SYNC: Chip select input (SPI)
- DGND: Digital ground
- VDD: Power supply voltage
Functional Features
- High-resolution digital-to-analog conversion
- Low integral and differential nonlinearity
- Fast settling time for accurate output generation
- Wide operating temperature range for versatile applications
- SPI interface for easy integration with microcontrollers and other digital devices
- Low power consumption for energy-efficient operation
Advantages and Disadvantages
Advantages: - High precision and accuracy in analog output generation - Compact package for space-constrained designs - Wide operating temperature range enables usage in harsh environments - Versatile application possibilities due to multiple channels - Low power consumption for energy efficiency
Disadvantages: - Limited resolution compared to higher-end DACs - Requires external reference voltage for optimal performance
Working Principles
The DAC7678SPWR utilizes a digital-to-analog conversion technique to convert binary digital signals into corresponding analog voltages. It employs an internal reference voltage and a 12-bit digital input to generate precise analog outputs. The SPI interface allows for easy communication with external devices, enabling control and configuration of the DAC.
Detailed Application Field Plans
The DAC7678SPWR finds applications in various fields, including: - Industrial automation: Precise analog output generation for control systems - Test and measurement equipment: Calibration and signal generation - Audio systems: Digital audio signal conversion - Communication devices: Analog modulation and demodulation
Detailed and Complete Alternative Models
- DAC8568SPWR: 16-bit digital-to-analog converter with 8 channels
- DAC124S085CIMM/NOPB: 12-bit digital-to-analog converter with 4 channels
- DAC8830ICDR: 16-bit digital-to-analog converter with 1 channel
- DAC5578SPWRG4: 8-bit digital-to-analog converter with 8 channels
These alternative models offer different resolutions, channel configurations, and features to suit specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací DAC7678SPWR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of DAC7678SPWR in technical solutions:
Q: What is DAC7678SPWR? A: DAC7678SPWR is a digital-to-analog converter (DAC) IC manufactured by Texas Instruments.
Q: What is the resolution of DAC7678SPWR? A: DAC7678SPWR has a resolution of 16 bits, allowing for high precision analog output.
Q: What is the operating voltage range of DAC7678SPWR? A: The operating voltage range of DAC7678SPWR is typically between 2.7V and 5.5V.
Q: How many channels does DAC7678SPWR have? A: DAC7678SPWR has 8 channels, which means it can simultaneously convert and output 8 different analog signals.
Q: What is the output voltage range of DAC7678SPWR? A: The output voltage range of DAC7678SPWR is determined by the reference voltage applied to its VREF pin.
Q: Can DAC7678SPWR be used in industrial applications? A: Yes, DAC7678SPWR is suitable for industrial applications due to its wide operating temperature range and robust design.
Q: Does DAC7678SPWR support SPI or I2C interface? A: DAC7678SPWR supports both SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) interfaces for communication with microcontrollers or other devices.
Q: What is the settling time of DAC7678SPWR? A: The settling time of DAC7678SPWR is typically around 10 microseconds, ensuring fast and accurate analog output.
Q: Can DAC7678SPWR be used in battery-powered devices? A: Yes, DAC7678SPWR's low power consumption makes it suitable for battery-powered applications.
Q: Are there any evaluation boards or development kits available for DAC7678SPWR? A: Yes, Texas Instruments provides evaluation boards and development kits that can help in the prototyping and testing of DAC7678SPWR-based solutions.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.