Overview
The AD5542CR, produced by Analog Devices Inc., is a single, 16-bit, serial-input, voltage-output digital-to-analog converter (DAC) designed to operate from a single supply voltage ranging from 2.7 V to 5.5 V. This DAC is part of the AD5541/AD5542 family and is known for its low power consumption, high accuracy, and versatile interface compatibility.
The device features unbuffered voltage outputs capable of driving 60 kΩ loads directly and offers a settling time of 1 μs. It is suitable for various applications requiring precise analog output generation from digital inputs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 5.5 | V | ||
| Current Consumption (IDD) | 125 | 150 | μA | Digital inputs at rails | |
| Power Dissipation | 0.625 | 0.825 | mW | ||
| Settling Time | 1 | μs | |||
| Integral Nonlinearity (INL) | 1 LSB | Over full temperature range | |||
| Noise Performance | 11.8 nV/√Hz | ||||
| Glitch | 1.1 nV-sec | ||||
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP | ||||
| Package | 14-Lead SOIC |
Key Features
- Single 16-bit digital-to-analog converter with serial input and voltage output.
- Operates from a single supply voltage of 2.7 V to 5.5 V.
- Low power consumption of typically 125 μA at 5 V supply.
- Fast settling time of 1 μs.
- 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 in unipolar mode and to -VREF in bipolar mode.
- Kelvin sense connections for the reference and analog ground pins to reduce layout sensitivity.
- Low noise performance of 11.8 nV/√Hz and low glitch of 1.1 nV-sec.
Applications
- Digital gain and offset adjustment.
- Automatic test equipment.
- Data acquisition systems.
- Industrial process control.
Q & A
- What is the supply voltage range for the AD5542CR?
The AD5542CR operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the settling time of the AD5542CR?
The settling time of the AD5542CR is typically 1 μs.
- What interface standards is the AD5542CR compatible with?
The AD5542CR is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the power consumption of the AD5542CR?
The AD5542CR consumes typically 125 μA at a 5 V supply.
- Does the AD5542CR have a power-on reset feature?
Yes, the AD5542CR has a power-on reset feature that clears the DAC output to 0 V in unipolar mode and to -VREF in bipolar mode.
- What is the noise performance of the AD5542CR?
The noise performance of the AD5542CR is 11.8 nV/√Hz.
- What is the glitch performance of the AD5542CR?
The glitch performance of the AD5542CR is 1.1 nV-sec.
- What package options are available for the AD5542CR?
The AD5542CR is available in a 14-Lead SOIC package.
- What are the typical applications of the AD5542CR?
The AD5542CR is typically used in digital gain and offset adjustment, automatic test equipment, data acquisition systems, and industrial process control.
- Does the AD5542CR support bipolar operation?
Yes, the AD5542CR can be operated in bipolar mode, generating a ±VREF output swing.
