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DAC811JPG4
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DAC811JPG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC811JPG4 is a high-speed, low-power, 12-bit digital-to-analog converter designed for various applications that require precise analog output generation. It is commonly used in audio systems, instrumentation, industrial control systems, and communication equipment.

Characteristics: - High-speed conversion with a settling time of less than 10 microseconds - Low power consumption, making it suitable for battery-powered devices - 12-bit resolution, providing accurate analog output - Wide operating voltage range of 2.7V to 5.5V - Small package size, allowing for space-efficient designs

Package: The DAC811JPG4 is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package. This package offers good thermal performance and ease of handling during assembly.

Essence: The essence of the DAC811JPG4 lies in its ability to convert digital signals into precise analog voltages, enabling accurate control of various systems and devices.

Packaging/Quantity: The DAC811JPG4 is typically sold in reels containing 250 units per reel.

Specifications

  • Resolution: 12 bits
  • Number of Channels: 1
  • Conversion Rate: Up to 100 kSPS (thousand samples per second)
  • Operating Voltage Range: 2.7V to 5.5V
  • Power Consumption: 0.8 mW (typical)
  • Output Voltage Range: 0V to Vref (Reference Voltage)
  • Integral Nonlinearity (INL): ±1 LSB (Least Significant Bit)
  • Differential Nonlinearity (DNL): ±0.5 LSB
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DAC811JPG4 has a total of 20 pins. The following table provides a detailed pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage (2.7V to 5.5V) | | 2 | VREF | Reference Voltage Input | | 3 | AGND | Analog Ground | | 4 | AOUT | Analog Output Voltage | | 5-16 | D0-D11 | Digital Input Data Bits | | 17 | CS | Chip Select Input | | 18 | WR | Write Control Input | | 19 | GND | Ground | | 20 | VSS | Negative Power Supply Voltage |

Functional Features

  • High-speed conversion: The DAC811JPG4 offers fast conversion times, allowing for real-time control and accurate output generation.
  • Low power consumption: With its low power requirements, the DAC811JPG4 is suitable for battery-powered devices, extending their operating time.
  • Precise analog output: The 12-bit resolution ensures accurate analog voltage generation, enabling precise control in various applications.
  • Wide operating voltage range: The DAC811JPG4 can operate within a wide voltage range, providing flexibility in different system designs.
  • Small package size: The compact TSSOP package allows for space-efficient integration into electronic systems.

Advantages and Disadvantages

Advantages: - High-speed conversion enables real-time control. - Low power consumption extends battery life. - Accurate analog output ensures precise control. - Wide operating voltage range provides design flexibility. - Compact package size saves space.

Disadvantages: - Limited to single-channel output. - May require additional external components for certain applications. - Higher cost compared to lower-resolution DACs.

Working Principles

The DAC811JPG4 utilizes a digital-to-analog conversion technique called binary-weighted resistor ladder. It converts the digital input data into an equivalent analog voltage by controlling the current flowing through a network of resistors. The digital input data is decoded to select the appropriate resistor taps, which determine the output voltage level.

Detailed Application Field Plans

The DAC811JPG4 finds applications in various fields, including:

  1. Audio Systems: Used for audio signal generation and control in amplifiers, mixers, and digital audio equipment.
  2. Instrumentation: Provides precise analog outputs for measurement and control instruments, such as data loggers and oscilloscopes.
  3. Industrial Control Systems: Enables accurate control of industrial processes, motor speed control, and robotic systems.
  4. Communication Equipment: Used in communication systems for signal modulation, frequency synthesis, and waveform generation.

Detailed and Complete Alternative Models

  1. DAC812JU: Similar to the DAC811JPG4 but offers dual-channel output capability.
  2. DAC814JPG4: A higher-resolution version with 14-bit output resolution.
  3. DAC805

Texniki həllərdə DAC811JPG4 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is DAC811JPG4?
    - DAC811JPG4 is a digital-to-analog converter (DAC) integrated circuit that converts digital signals into analog voltage outputs.

  2. What is the operating voltage range of DAC811JPG4?
    - The operating voltage range of DAC811JPG4 is typically between 2.7V and 5.5V.

  3. What is the resolution of DAC811JPG4?
    - DAC811JPG4 has a resolution of 8 bits, meaning it can convert digital inputs into 256 different analog voltage levels.

  4. What is the maximum output current of DAC811JPG4?
    - The maximum output current of DAC811JPG4 is typically around 10 mA.

  5. Can DAC811JPG4 be used in both single-ended and differential output configurations?
    - Yes, DAC811JPG4 supports both single-ended and differential output configurations, providing flexibility in various applications.

  6. What is the settling time of DAC811JPG4?
    - The settling time of DAC811JPG4 is typically around 10 µs, ensuring fast and accurate conversion of digital signals to analog outputs.

  7. Does DAC811JPG4 have an internal reference voltage?
    - No, DAC811JPG4 does not have an internal reference voltage. An external reference voltage must be provided for accurate conversions.

  8. Can DAC811JPG4 operate in a temperature range outside the industrial range?
    - No, DAC811JPG4 is designed to operate within the industrial temperature range of -40°C to +85°C.

  9. Is DAC811JPG4 suitable for precision applications?
    - While DAC811JPG4 provides good accuracy and performance, it may not be suitable for high-precision applications due to its 8-bit resolution.

  10. What are some typical applications of DAC811JPG4?
    - DAC811JPG4 can be used in various applications such as motor control, programmable power supplies, audio equipment, and industrial automation where digital signals need to be converted into analog voltage outputs.