Overview
The AD5620CRMZ-3, produced by Analog Devices Inc., is a member of the nanoDAC™ family of devices. It is a low-power, single 12-bit, buffered voltage-out digital-to-analog converter (DAC). This device is known for its high precision and reliability, making it suitable for various applications requiring accurate analog output.
The AD5620CRMZ-3 features an internal 2.5 V, 5 ppm/°C reference, providing a full-scale output voltage range of 5 V. It operates on a 3 V to 5 V single power supply and includes a power-on reset circuit to ensure the DAC output powers up to 0 V or midscale, depending on the configuration.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Relative Accuracy | ±6 (max) | LSB | |
| Differential Nonlinearity | ±0.25 (max) | LSB | |
| Zero-Code Error | 2 mV (typ), 10 mV (max) | mV | All 0s loaded to DAC register |
| Offset Error | ±10 mV (max) | mV | |
| Full-Scale Error | ±1.5% FSR (max) | % FSR | All 1s loaded to DAC register |
| Settling Time | 10 µs | µs | |
| Output Type | Voltage - Buffered | ||
| Data Interface | SPI, DSP | ||
| Reference Type | Internal | 2.5 V, 5 ppm/°C | |
| Voltage - Supply, Analog/Digital | 3 V to 5 V | V | |
| Operating Temperature | -40°C to 105°C | °C | |
| Package | 8-Lead MSOP |
Key Features
- Low Power Consumption: The AD5620CRMZ-3 has a low power consumption of 0.55 mA (typ) and 1 mA (max) at 5 V, reducing to 1 μW in power-down mode.
- High Precision: Guaranteed monotonic by design with an internal 2.5 V, 5 ppm/°C reference.
- Flexible Interface: Uses a versatile 3-wire serial interface compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards, operating at clock rates up to 30 MHz.
- Power-On Reset and Power-Down: Includes a power-on reset circuit and three power-down functions, reducing current consumption to 480 nA at 5 V.
- Rail-to-Rail Output: On-chip precision output amplifier allows for rail-to-rail output swing.
- Compact Package: Available in an 8-lead MSOP package.
Applications
- Process Control: Ideal for applications requiring precise analog output control.
- Data Acquisition Systems: Suitable for systems that need high accuracy and low power consumption.
- Portable Battery-Powered Instruments: Low power consumption makes it suitable for battery-powered devices.
- Digital Gain and Offset Adjustment: Can be used for adjusting gain and offset in various circuits.
- Programmable Voltage and Current Sources: Useful in applications where programmable voltage or current sources are required.
- Programmable Attenuators: Can be used in signal processing and attenuation applications.
Q & A
- What is the resolution of the AD5620CRMZ-3?
The AD5620CRMZ-3 has a resolution of 12 bits.
- What is the reference voltage for the AD5620CRMZ-3?
The AD5620CRMZ-3 includes an internal 2.5 V, 5 ppm/°C reference.
- What is the power consumption of the AD5620CRMZ-3 in normal mode?
The power consumption is typically 0.55 mA at 5 V and up to 1 mA maximum.
- What is the settling time of the AD5620CRMZ-3?
The settling time is 10 µs.
- What interface standards is the AD5620CRMZ-3 compatible with?
The AD5620CRMZ-3 is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards.
- What is the operating temperature range of the AD5620CRMZ-3?
The operating temperature range is -40°C to 105°C.
- What package types are available for the AD5620CRMZ-3?
The AD5620CRMZ-3 is available in an 8-lead MSOP package.
- Does the AD5620CRMZ-3 have a power-on reset feature?
Yes, it includes a power-on reset circuit to ensure the DAC output powers up to 0 V or midscale.
- How does the AD5620CRMZ-3 handle power-down mode?
In power-down mode, the current consumption reduces to 480 nA at 5 V.
- Is the AD5620CRMZ-3 suitable for battery-powered devices?
Yes, due to its low power consumption, it is suitable for battery-powered instruments.
