Overview
The AD5667RBCPZ-R2, produced by Analog Devices Inc., is a member of the nanoDAC family and is a low-power, dual 16-bit buffered voltage-out digital-to-analog converter (DAC). This device operates from a single 2.7 V to 5.5 V supply and features an on-chip 1.25 V or 2.5 V reference with a 5 ppm/°C temperature coefficient. It is designed to be highly accurate and reliable, making it suitable for various applications requiring precise voltage output.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16 Bits | ||||
| Relative Accuracy | ±8 | ±12 | LSB | ||
| Differential Nonlinearity | ±1 | LSB | Guaranteed monotonic by design | ||
| Power Supply | 2.7 V | 5.5 V | V | ||
| On-Chip Reference | 1.25 V or 2.5 V | V | 5 ppm/°C temperature coefficient | ||
| Full-Scale Output Range | 2.5 V or 5 V | V | Depending on reference used | ||
| Package | 10-Lead LFCSP (3mm x 3mm) | ||||
| Temperature Range | -40°C | 105°C | °C | ||
| I2C Interface Speed | 100 kHz | 3.4 MHz | Standard, fast, and high speed modes |
Key Features
- Low power consumption, making it suitable for portable battery-operated equipment.
- Guaranteed monotonic by design.
- On-chip precision output amplifier enabling rail-to-rail output swing.
- I2C-compatible serial interface supporting standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.
- Power-on reset circuit ensuring the DAC output powers up to 0 V.
- Per-channel power-down feature reducing current consumption to 480 nA at 5 V.
- Software-selectable output loads while in power-down mode.
- Hardware LDAC and CLR functions.
Applications
- Process control.
- Data acquisition systems.
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
Q & A
- What is the resolution of the AD5667RBCPZ-R2?
The AD5667RBCPZ-R2 has a resolution of 16 bits. - What is the power supply range for the AD5667RBCPZ-R2?
The device operates from a single 2.7 V to 5.5 V supply. - What types of references are available for the AD5667RBCPZ-R2?
The device can use either an on-chip 1.25 V or 2.5 V reference or an external reference. - What is the temperature coefficient of the on-chip reference?
The on-chip reference has a temperature coefficient of 5 ppm/°C. - What are the different I2C interface speeds supported by the AD5667RBCPZ-R2?
The device supports standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) I2C interface modes. - What is the package type and size of the AD5667RBCPZ-R2?
The device is packaged in a 10-Lead LFCSP (3mm x 3mm). - What is the temperature range for the AD5667RBCPZ-R2?
The device operates over a temperature range of -40°C to 105°C. - Does the AD5667RBCPZ-R2 have a power-on reset feature?
Yes, the device has a power-on reset circuit that ensures the DAC output powers up to 0 V. - What is the power-down current consumption of the AD5667RBCPZ-R2?
The device reduces current consumption to 480 nA at 5 V in power-down mode. - What are some common applications of the AD5667RBCPZ-R2?
Common applications include process control, data acquisition systems, portable battery-powered instruments, digital gain and offset adjustment, and programmable voltage and current sources.
