Veja as especificações para detalhes do produto.
DS1809U-050
Product Overview
Category
The DS1809U-050 belongs to the category of digital potentiometers.
Use
It is primarily used for electronic circuitry and system control applications.
Characteristics
- Digital control interface
- Non-volatile memory
- Low power consumption
- Wide operating voltage range
Package
The DS1809U-050 comes in a compact surface-mount package.
Essence
This product serves as a digitally controlled variable resistor, allowing precise adjustment of resistance values in electronic circuits.
Packaging/Quantity
The DS1809U-050 is typically packaged in reels and available in quantities suitable for industrial production.
Specifications
- Resistance Range: 0Ω to 50kΩ
- Resolution: 256 steps
- Supply Voltage: 2.7V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Interface: I2C-compatible
Detailed Pin Configuration
The DS1809U-050 features a standard pin configuration with the following connections:
- VCC: Supply voltage input
- GND: Ground reference
- SDA: Serial data line (I2C)
- SCL: Serial clock line (I2C)
- A0: Address selection bit 0
- A1: Address selection bit 1
- W: Wiper terminal
- B: Terminal connected to one end of the resistor element
- A: Terminal connected to the other end of the resistor element
Functional Features
- Digital control allows precise resistance adjustment
- Non-volatile memory retains settings even when power is disconnected
- Low power consumption ensures energy efficiency
- Wide operating voltage range enables compatibility with various systems
Advantages and Disadvantages
Advantages
- Precise and accurate resistance adjustment
- Non-volatile memory for retaining settings
- Low power consumption
- Wide operating voltage range
Disadvantages
- Limited resolution compared to some other digital potentiometers
- Requires an I2C-compatible interface for control
Working Principles
The DS1809U-050 operates by digitally controlling the resistance value using a series of internal switches. The digital control interface allows users to set the desired resistance value, which is then adjusted by the potentiometer circuitry.
Detailed Application Field Plans
The DS1809U-050 finds applications in various fields, including: 1. Audio equipment: Volume control circuits 2. Industrial automation: Precision control systems 3. Test and measurement: Calibration setups 4. Communication devices: Signal conditioning circuits
Detailed and Complete Alternative Models
- DS1809U-100: Similar to DS1809U-050 but with a higher resistance range (0Ω to 100kΩ)
- DS1809U-025: Similar to DS1809U-050 but with a lower resistance range (0Ω to 25kΩ)
- DS1809U-500: Similar to DS1809U-050 but with a higher resistance range (0Ω to 500kΩ)
These alternative models offer different resistance ranges to suit specific application requirements.
Word count: 422 words
Liste 10 perguntas e respostas comuns relacionadas à aplicação de DS1809U-050 em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of DS1809U-050 in technical solutions:
Q: What is DS1809U-050? A: DS1809U-050 is a digital potentiometer IC (Integrated Circuit) that can be used to digitally control resistance in electronic circuits.
Q: What is the maximum resistance range of DS1809U-050? A: The DS1809U-050 has a maximum resistance range of 50 kilohms.
Q: How can DS1809U-050 be controlled digitally? A: DS1809U-050 can be controlled digitally using a microcontroller or any other digital interface like I2C or SPI.
Q: What are some common applications of DS1809U-050? A: DS1809U-050 is commonly used in audio equipment, instrumentation, industrial control systems, and other applications where precise resistance control is required.
Q: Can DS1809U-050 be used as a variable resistor in analog circuits? A: Yes, DS1809U-050 can be used as a variable resistor in analog circuits by connecting it in series with the load.
Q: Does DS1809U-050 require external power supply? A: Yes, DS1809U-050 requires an external power supply typically ranging from 2.7V to 5.5V.
Q: Is DS1809U-050 suitable for high-speed applications? A: No, DS1809U-050 is not designed for high-speed applications as it has a limited bandwidth.
Q: Can multiple DS1809U-050 ICs be cascaded together? A: Yes, multiple DS1809U-050 ICs can be cascaded together to increase the overall resistance range.
Q: Does DS1809U-050 have non-volatile memory? A: No, DS1809U-050 does not have non-volatile memory. It requires external storage or microcontroller to retain its settings.
Q: What is the temperature range of DS1809U-050? A: The operating temperature range of DS1809U-050 is typically from -40°C to +85°C.
Please note that these answers are general and may vary depending on the specific datasheet and application requirements.