DAC084S085CIMM/NOPB

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC084S085CIMM/NOPB is a high-performance, 8-bit digital-to-analog converter designed for various applications that require precise analog output. It converts digital signals into corresponding analog voltages, making it suitable for use in audio systems, instrumentation, industrial control, and communication equipment.

Characteristics: - Resolution: 8 bits - Number of Channels: 1 - Output Type: Voltage - Interface Type: Serial (SPI) - Supply Voltage: 2.7V to 5.5V - Operating Temperature Range: -40°C to +85°C

Package: The DAC084S085CIMM/NOPB is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into various electronic systems.

Essence: This DAC offers high accuracy and low power consumption, making it an ideal choice for applications where precision and efficiency are crucial.

Packaging/Quantity: The DAC084S085CIMM/NOPB is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Resolution: 8 bits
• Settling Time: 4.5µs (typical)
• Integral Nonlinearity (INL): ±1 LSB (maximum)
• Differential Nonlinearity (DNL): ±0.5 LSB (maximum)
• Output Voltage Range: 0V to Vref
• Reference Voltage (Vref): 2.5V (typical)
• Power Supply Rejection Ratio (PSRR): -80dB (typical)
• Total Harmonic Distortion (THD): 0.01% (typical)
• Output Current: ±1mA (maximum)
• Power Consumption: 0.5mW (typical)

Pin Configuration

The DAC084S085CIMM/NOPB features a 10-pin SOIC package with the following pin configuration:

┌───┬───┐ │1 └─ 10│ │2 9 │ │3 8 │ │4 7 │ │5 6 │ └───┬───┘ └─────

Pin Description: 1. VDD: Power Supply Voltage 2. CS: Chip Select (Active Low) 3. SCLK: Serial Clock Input 4. DIN: Serial Data Input 5. GND: Ground 6. AGND: Analog Ground 7. OUT: Analog Output 8. REF: Reference Voltage Input 9. LDAC: Load DAC Input 10. VOUT: Voltage Output

Functional Features

• High Accuracy: The DAC084S085CIMM/NOPB provides precise analog output with low integral and differential nonlinearity.
• Low Power Consumption: With a power consumption of only 0.5mW, this DAC is energy-efficient and suitable for battery-powered applications.
• Fast Settling Time: The settling time of 4.5µs ensures quick response and accurate output even in dynamic applications.
• SPI Interface: The serial peripheral interface (SPI) allows easy integration with microcontrollers and other digital devices.

Advantages and Disadvantages

Advantages: - High accuracy and resolution - Low power consumption - Fast settling time - Easy integration with SPI interface

Disadvantages: - Limited to single-channel output - Requires an external reference voltage

Working Principles

The DAC084S085CIMM/NOPB operates by converting digital input data into corresponding analog voltages. It utilizes a reference voltage (Vref) to determine the output voltage level. The digital input is provided through the SPI interface, and the DAC internally converts it into an analog signal using a resistor ladder network. The resulting analog voltage is then available at the OUT pin.

Detailed Application Field Plans

The DAC084S085CIMM/NOPB finds applications in various fields, including:

1. Audio Systems: It can be used for audio signal generation, volume control, and tone adjustment in audio equipment.
2. Instrumentation: The DAC is suitable for generating precise control signals in measurement and testing instruments.
3. Industrial Control: It can be utilized in industrial automation systems for controlling actuators, motor speed, and process variables.
4. Communication Equipment: The DAC enables accurate modulation and demodulation of signals in communication devices.

Detailed and Complete Alternative Models

1. DAC0830: 8-bit DAC with parallel interface
2. MCP4921: 12-bit DAC with SPI interface
3. MAX5216