Overview
The AD5620CRM-2 is a single, 12-bit digital-to-analog converter (DAC) from Analog Devices Inc., part of the nanoDAC family. This device is designed for low power consumption and high precision, making it suitable for a variety of applications. It features an on-chip 2.5 V reference with a 5 ppm/°C temperature coefficient, ensuring stable output voltage. The AD5620CRM-2 is available in a compact 8-lead SOT-23 package, enhancing its usability in space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 | Bits |
| Reference Voltage | 2.5 | V |
| Temperature Coefficient of Reference | 5 | ppm/°C |
| Full-Scale Output Voltage Range | 0 to 5 | V |
| Power Supply | 3 V / 5 V | V |
| Power Consumption (Active) | 2.5 mW @ 5 V | mW |
| Power Consumption (Power-Down) | 1 μW @ 5 V | μW |
| Serial Interface Clock Rate | Up to 30 MHz | MHz |
| Package Type | SOT-23 | |
| Differential Nonlinearity | ±0.25 LSB | LSB |
| Zero-Code Error | ±2 mV | mV |
| Offset Error | ±10 mV | mV |
Key Features
- Low Power Consumption: The device operates at 2.5 mW at 5 V and reduces to 1 μW in power-down mode.
- High Precision: Guaranteed monotonic by design with a differential nonlinearity of ±0.25 LSB.
- On-Chip Reference: Internal 2.5 V reference with a 5 ppm/°C temperature coefficient.
- Compact Package: Available in an 8-lead SOT-23 package.
- Versatile Serial Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, operating up to 30 MHz.
- Power-On Reset and Power-Down: Ensures the DAC output powers up to 0 V or midscale and reduces current consumption significantly in power-down mode.
- Rail-to-Rail Output Swing: Achieved through the on-chip precision output amplifier.
Applications
- Process Control: Suitable for precise control in industrial processes.
- Data Acquisition Systems: Used in systems requiring high accuracy and low power consumption.
- Portable Battery-Powered Instruments: Ideal for devices that need to conserve power.
- Digital Gain and Offset Adjustment: Useful in applications requiring adjustable gain and offset.
- Programmable Voltage and Current Sources: Can be used to create programmable sources with high precision.
- Programmable Attenuators: Suitable for applications needing adjustable attenuation.
Q & A
- What is the resolution of the AD5620CRM-2?
The AD5620CRM-2 has a resolution of 12 bits.
- What is the reference voltage of the AD5620CRM-2?
The AD5620CRM-2 has an internal 2.5 V reference.
- What is the temperature coefficient of the reference voltage?
The temperature coefficient of the reference voltage is 5 ppm/°C.
- What is the full-scale output voltage range of the AD5620CRM-2?
The full-scale output voltage range is 0 to 5 V.
- What are the power supply options for the AD5620CRM-2?
The device can operate on either 3 V or 5 V power supply.
- How much power does the AD5620CRM-2 consume in active mode?
The device consumes 2.5 mW at 5 V in active mode.
- What is the power consumption in power-down mode?
The power consumption reduces to 1 μW in power-down mode.
- What is the maximum clock rate of the serial interface?
The serial interface operates at clock rates up to 30 MHz.
- In what package is the AD5620CRM-2 available?
The device is available in an 8-lead SOT-23 package.
- What are some typical applications of the AD5620CRM-2?
Typical applications include process control, data acquisition systems, portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators.
