Overview
The AD5629RBRUZ-2-RL7 is a low-power, octal, 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5629R series and is known for its high precision and low power consumption. It operates from a single 2.7 V to 5.5 V supply and features an on-chip reference with a temperature coefficient of 5 ppm/°C. The AD5629R is designed to be highly reliable and monotonic by design, ensuring accurate voltage output across its full range.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Resolution | 12 | - | - | Bits | - |
| Relative Accuracy | ±0.5 | - | ±4 | LSB | See Figure 7 |
| Differential Nonlinearity | ±0.25 | - | ±0.25 | LSB | Guaranteed monotonic by design |
| Zero-Code Error | 6 | - | 19 | mV | All 0s loaded to DAC register |
| Full-Scale Error | -0.2 | - | -1 | % FSR | All 1s loaded to DAC register |
| Gain Error | ±1 | - | ±1 | % FSR | - |
| Gain Temperature Coefficient | ±2.5 | - | ±2.5 | ppm Of FSR/°C | - |
| Power Supply Range | 2.7 | - | 5.5 | V | - |
| Power Consumption (Power Down) | 400 | - | - | nA at 5 V | - |
| Reference Temperature Coefficient | 5 | - | - | ppm/°C | - |
Key Features
- Low Power Consumption: The device operates with low power consumption, reducing to 400 nA at 5 V in power-down mode.
- On-Chip Reference: Features an on-chip reference with a temperature coefficient of 5 ppm/°C, providing stable voltage output.
- Monotonic by Design: Guaranteed monotonicity ensures accurate and reliable voltage output across the full range.
- I2C-Compatible Serial Interface: Supports standard (100 kHz) and fast (400 kHz) I2C modes for flexible communication.
- Power-On Reset and Power-Down Functions: Ensures DAC output powers up to 0 V and remains at this level until a valid write takes place. Also features software-selectable output loads in power-down mode.
- Hardware LDAC and CLR Functions: Provides additional control over the DAC outputs.
Applications
- Process Control: Suitable for precision control in industrial processes.
- Data Acquisition Systems: Ideal for systems requiring 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 to adjust gain and offset in various electronic systems.
- Programmable Voltage and Current Sources: Useful in applications requiring programmable voltage or current outputs.
Q & A
- What is the resolution of the AD5629RBRUZ-2-RL7 DAC?
The AD5629RBRUZ-2-RL7 has a resolution of 12 bits.
- What is the power supply range for the AD5629RBRUZ-2-RL7?
The device operates from a single 2.7 V to 5.5 V supply).
- What is the temperature coefficient of the on-chip reference?
The on-chip reference has a temperature coefficient of 5 ppm/°C).
- Does the AD5629RBRUZ-2-RL7 support I2C communication?
Yes, it supports standard (100 kHz) and fast (400 kHz) I2C modes).
- What is the power consumption in power-down mode?
The power consumption reduces to 400 nA at 5 V in power-down mode).
- Is the AD5629RBRUZ-2-RL7 guaranteed monotonic by design?
Yes, the device is guaranteed monotonic by design).
- What are the typical applications of the AD5629RBRUZ-2-RL7?
Typical applications include process control, data acquisition systems, portable battery-powered instruments, digital gain and offset adjustment, and programmable voltage and current sources).
- Does the AD5629RBRUZ-2-RL7 have hardware LDAC and CLR functions?
Yes, it includes hardware LDAC and CLR functions for additional control over the DAC outputs).
- How does the power-on reset function work?
The power-on reset function ensures that the DAC output powers up to 0 V and remains at this level until a valid write takes place).
- Can the AD5629RBRUZ-2-RL7 be used with an external reference?
Yes, the internal reference is off at power-up, allowing the use of an external reference).
