Overview
The AD5667RBRMZ-1REEL7 is a dual, 16-bit nanoDAC (digital-to-analog converter) produced by Analog Devices Inc. This device is part of the nanoDAC family, known for its low power consumption and high precision. It operates from a single 2.7 V to 5.5 V supply and features an I2C-compatible serial interface that supports standard, fast, and high speed modes. The AD5667RBRMZ-1REEL7 is designed with an on-chip 2.5 V, 5 ppm/°C reference, providing a full-scale output range of 5 V. It is particularly suited for applications requiring high accuracy and low power consumption, such as process control, data acquisition systems, and portable battery-powered instruments.
Key Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Resolution | 16-bit | - | Dual DAC resolution |
| Power Supply | 2.7 V to 5.5 V | V | Single supply voltage range |
| On-Chip Reference | 2.5 V, 5 ppm/°C | V, ppm/°C | Internal reference voltage and temperature drift |
| Full-Scale Output Range | 5 V | V | Maximum output voltage range |
| Settling Time | 4.7 µs (¼ to ¾ scale) | µs | Time to settle to ±2 LSB |
| Slew Rate | 1.8 V/µs | V/µs | Output slew rate |
| Power Consumption (Power-Down) | 480 nA at 5 V | nA | Current consumption in power-down mode |
| Interface | I2C-compatible (100 kHz, 400 kHz, 3.4 MHz) | - | Serial interface modes |
| Package | 10-Lead MSOP | - | Package type and lead count |
Key Features
- Low power consumption, making it suitable for portable battery-powered instruments.
- Guaranteed monotonic by design, ensuring accurate output.
- Power-on reset to zero scale, ensuring predictable startup behavior.
- Per-channel power-down feature, reducing current consumption to 480 nA at 5 V.
- Hardware LDAC and CLR functions for precise control.
- I2C-compatible serial interface supporting standard, fast, and high speed modes.
- On-chip precision output amplifier enabling rail-to-rail output swing.
- Software-selectable output loads while in power-down mode.
Applications
- Process control systems requiring precise analog outputs.
- Data acquisition systems where low power and high accuracy are crucial.
- Portable battery-powered instruments such as medical devices and handheld test equipment.
- Digital gain and offset adjustment in various electronic systems.
- Programmable voltage and current sources.
- Programmable attenuators in communication and audio systems.
Q & A
- What is the resolution of the AD5667RBRMZ-1REEL7?
The AD5667RBRMZ-1REEL7 has a resolution of 16 bits.
- What is the power supply range for the AD5667RBRMZ-1REEL7?
The device operates from a single 2.7 V to 5.5 V supply.
- What is the on-chip reference voltage and its temperature drift?
The on-chip reference is 2.5 V with a temperature drift of 5 ppm/°C.
- What is the full-scale output range of the AD5667RBRMZ-1REEL7?
The full-scale output range is 5 V.
- How long does it take for the output to settle to ±2 LSB?
The settling time is 4.7 µs from ¼ to ¾ scale.
- What is the slew rate of the AD5667RBRMZ-1REEL7?
The slew rate is 1.8 V/µs.
- What is the current consumption in power-down mode?
The current consumption in power-down mode is 480 nA at 5 V.
- What types of serial interface modes does the AD5667RBRMZ-1REEL7 support?
The device supports I2C-compatible serial interface in standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.
- What is the package type and lead count of the AD5667RBRMZ-1REEL7?
The package type is 10-Lead MSOP.
- What are some typical applications of the AD5667RBRMZ-1REEL7?
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.
