Overview
The AD5025BRUZ is a low-power, dual 12-bit buffered voltage output nanoDAC® digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the nanoDAC series, known for its superior performance and versatility. It operates from a single 4.5 V to 5.5 V supply and features a versatile 3-wire, low power Schmitt trigger serial interface compatible with standard SPI, QSPI, MICROWIRE, and DSP interface standards. The AD5025BRUZ is designed to provide high accuracy and reliability, making it suitable for a wide range of applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Supply Voltage | 4.5 V to 5.5 V |
| Interface | 3-wire, low power Schmitt trigger serial interface (SPI, QSPI, MICROWIRE, DSP compatible) |
| Accuracy (INL) | ±1 LSB |
| Differential Accuracy | ±1 LSB |
| Power Consumption (Power-Down) | Typically 400 nA at 5 V |
| Package Type | 14-Lead TSSOP |
| Clock Rate | Up to 50 MHz |
| Total Unadjusted Error | < 2.5 mV |
Key Features
- Low power consumption with a power-down feature that reduces current to typically 400 nA at 5 V.
- High accuracy with relative accuracy specifications of ±1 LSB INL and differential accuracy of ±1 LSB.
- Versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards.
- Individual reference pins and on-chip reference buffer.
- Power-on reset circuit ensuring DAC output powers up to zero scale or midscale.
- Software-selectable output loads in power-down mode.
- Asynchronous CLR function to clear all DACs to a software-selectable code (0 V, midscale, or full scale).
- Power-down lockout pin (PDL) to prevent power-down over the serial interface.
Applications
- Industrial control systems requiring precise analog outputs.
- Medical equipment where high accuracy and reliability are crucial.
- Communication systems that demand low power consumption and high performance.
- Audio processing applications needing low glitch and high accuracy DACs.
- Automotive and aerospace systems where robust and reliable DACs are essential.
Q & A
- What is the resolution of the AD5025BRUZ DAC?
The AD5025BRUZ has a resolution of 12 bits. - What is the operating supply voltage range for the AD5025BRUZ?
The AD5025BRUZ operates from a single 4.5 V to 5.5 V supply. - What type of interface does the AD5025BRUZ use?
The AD5025BRUZ uses a 3-wire, low power Schmitt trigger serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards. - What is the accuracy specification of the AD5025BRUZ?
The AD5025BRUZ has an accuracy specification of ±1 LSB INL and differential accuracy of ±1 LSB. - How much power does the AD5025BRUZ consume in power-down mode?
In power-down mode, the AD5025BRUZ consumes typically 400 nA at 5 V. - What is the package type of the AD5025BRUZ?
The AD5025BRUZ is packaged in a 14-Lead TSSOP. - What is the maximum clock rate for the serial interface of the AD5025BRUZ?
The serial interface of the AD5025BRUZ can operate at clock rates up to 50 MHz. - Does the AD5025BRUZ have a power-on reset feature?
Yes, the AD5025BRUZ has a power-on reset circuit that ensures the DAC output powers up to zero scale or midscale. - Can the output loads of the AD5025BRUZ be software-selectable in power-down mode?
Yes, the output loads of the AD5025BRUZ can be software-selectable in power-down mode. - What is the purpose of the PDL pin on the AD5025BRUZ?
The PDL pin on the AD5025BRUZ is used to prevent the DAC from entering power-down mode over the serial interface.
