DAC124S085CISD/NOPB

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC124S085CISD/NOPB is a high-performance, 12-bit digital-to-analog converter designed for various applications that require precise analog output. It is commonly used in industrial automation, audio equipment, instrumentation, and communication systems.

Characteristics: - Resolution: 12 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 +105°C - Package Type: WSON - Packaging/Quantity: Tape and Reel, 2500 units per reel

Essence: The DAC124S085CISD/NOPB is a key component in converting digital signals into accurate analog voltages, enabling precise control and manipulation of analog systems.

Specifications

• Resolution: 12 bits
• Monotonicity: Yes
• Integral Nonlinearity (INL): ±1 LSB (max)
• Differential Nonlinearity (DNL): ±1 LSB (max)
• Settling Time: 4.5 µs (typ)
• Output Voltage Range: 0V to Vref
• Reference Voltage (Vref): 2.5V
• Power Supply Rejection Ratio (PSRR): -80 dB (typ)
• Total Harmonic Distortion (THD): -85 dB (typ)
• Output Current: ±0.5 mA (max)
• Power Consumption: 0.6 mW (typ)

Pin Configuration

The DAC124S085CISD/NOPB follows the standard pin configuration for a WSON package:

___________ | | VDD |1 8| GND CS |2 7| DIN SCLK |3 6| DOUT REF |4 5| AGND |___________|

Functional Features

• High-resolution digital-to-analog conversion
• Low power consumption
• Fast settling time for rapid response applications
• Monotonic performance ensures accurate output representation
• SPI interface for easy integration with microcontrollers and digital systems
• Wide operating temperature range for versatile usage scenarios

Advantages and Disadvantages

Advantages: - Precise and accurate analog output - Low power consumption - Compact package size for space-constrained designs - Wide operating temperature range allows for various applications - Easy integration with microcontrollers and digital systems

Disadvantages: - Limited to single-channel output - Requires an external reference voltage (Vref) - May require additional circuitry for voltage amplification or buffering in certain applications

Working Principles

The DAC124S085CISD/NOPB utilizes a 12-bit binary input to generate an analog voltage output. It employs a resistor ladder network and switches to convert the digital input into a corresponding voltage level. The internal digital-to-analog conversion process is controlled by the serial interface, allowing precise control over the output voltage.

Detailed Application Field Plans

The DAC124S085CISD/NOPB finds application in various fields, including:

1. Industrial Automation: Control of motor speed, valve positioning, and process control systems.
2. Audio Equipment: Digital audio synthesis, volume control, and equalization.
3. Instrumentation: Calibration and signal generation for test and measurement equipment.
4. Communication Systems: Signal modulation, waveform generation, and frequency synthesis.

Alternative Models

1. DAC124S085CIMM/NOPB: Similar specifications, but in a smaller MSOP package.
2. DAC124S085CISQ/NOPB: Similar specifications, but in a ceramic quad flat pack (CQFP) package.
3. DAC124S085CISDX/NOPB: Similar specifications, but with extended temperature range (-40°C to +125°C).

These alternative models provide flexibility in terms of package options and operating temperature ranges while maintaining similar performance characteristics.

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