Overview
The AD5542AR, produced by Analog Devices Inc., is a single, 16-bit, serial input, voltage output digital-to-analog converter (DAC) that operates from a single 2.7 V to 5.5 V supply. This device is part of the AD5541/AD5542 family and is known for its high precision and low power consumption. The AD5542AR features unbuffered voltage outputs, a fast settling time of 1 μs, and low noise performance, making it suitable for various applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Number of Bits | 16 | ||
| Settling Time | 1 μs | Typical | |
| Output Type | Voltage - Unbuffered | ||
| Data Interface | SPI, QSPI, MICROWIRE, DSP | ||
| Reference Type | External | ||
| Voltage - Supply, Analog/Digital | 2.7 V to 5.5 V | ||
| INL/DNL (LSB) | ±0.5, ±0.5 | ||
| Architecture | R-2R | ||
| Operating Temperature | -40°C to +85°C | ||
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | ||
| Power Dissipation | 0.625 mW | Typical at 5 V supply |
Key Features
- Single 16-bit DAC with serial input and voltage output.
- Operates from a single 2.7 V to 5.5 V supply.
- Fast settling time of 1 μs.
- Low power consumption of 0.625 mW at 5 V supply.
- Low noise performance of 11.8 nV/√Hz.
- Low glitch of 1.1 nV-sec.
- Unbuffered voltage output capable of driving 60 kΩ loads directly.
- Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- Power-on reset clears DAC output to 0 V (unipolar mode) or -VREF (bipolar mode).
- Kelvin sense connections for the reference and analog ground pins to reduce layout sensitivity.
Applications
- Digital gain and offset adjustment.
- Automatic test equipment.
- Data acquisition systems.
- Industrial process control.
Q & A
- What is the voltage supply range for the AD5542AR?
The AD5542AR operates from a single 2.7 V to 5.5 V supply.
- What is the settling time of the AD5542AR?
The settling time is 1 μs.
- What type of output does the AD5542AR have?
The AD5542AR has an unbuffered voltage output.
- What are the compatible interface standards for the AD5542AR?
The device is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the power consumption of the AD5542AR?
The power consumption is typically 0.625 mW at a 5 V supply.
- Does the AD5542AR have Kelvin sense connections?
- What is the operating temperature range of the AD5542AR?
The operating temperature range is -40°C to +85°C.
- What is the package type of the AD5542AR?
The AD5542AR is available in a 14-SOIC package.
- Does the AD5542AR have a power-on reset feature?
- What are some typical applications of the AD5542AR?
Typical applications include digital gain and offset adjustment, automatic test equipment, data acquisition systems, and industrial process control.
