Overview
The AD5667BCPZ-REEL7 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, supporting standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes. The AD5667BCPZ-REEL7 is designed for applications requiring high accuracy and reliability, making it suitable for various industrial and portable battery-operated devices.
Key Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Resolution | 16-bit | Dual-channel resolution | |
| Supply Voltage | 2.7 V to 5.5 V | V | Operating voltage range |
| On-chip Reference | 1.25 V or 2.5 V, 5 ppm/°C | V | Internal reference voltage options |
| Full-scale Output Range | 2.5 V or 5 V | V | Dependent on the reference voltage used |
| Power Consumption (Normal Operation) | Low power | Ideally suited for portable battery-operated equipment | |
| Power-down Current | 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 LFCSP (3mm x 3mm) | Package type and dimensions | |
| Operating Temperature | −40°C to +105°C | °C | Temperature range for operation |
Key Features
- Low Power Consumption: Ideal for portable battery-operated equipment due to its low power requirements.
- High Precision: 16-bit resolution with guaranteed monotonicity by design.
- I2C Interface: Supports standard, fast, and high speed modes (100 kHz, 400 kHz, 3.4 MHz).
- On-chip Reference: Options for 1.25 V or 2.5 V internal references with 5 ppm/°C temperature coefficient.
- Power-on Reset: Ensures the DAC output powers up to 0 V and remains there until a valid write takes place.
- Per-channel Power-down: Reduces current consumption to 480 nA at 5 V and provides software-selectable output loads.
- Rail-to-Rail Output Swing: Enabled by the on-chip precision output amplifier.
- Hardware LDAC and CLR Functions: For additional control over the DAC outputs.
Applications
- Process Control: For precise control and monitoring in industrial processes.
- Data Acquisition Systems: To convert digital signals into accurate analog outputs.
- Portable Battery-Powered Instruments: Due to its low power consumption and compact design.
- Digital Gain and Offset Adjustment: For fine-tuning signal levels in various applications.
- Programmable Voltage and Current Sources: To generate precise voltage or current outputs.
- Programmable Attenuators: For adjustable signal attenuation in communication and measurement systems.
Q & A
- What is the resolution of the AD5667BCPZ-REEL7?
The AD5667BCPZ-REEL7 has a 16-bit resolution for each of its dual channels.
- What is the operating voltage range of the AD5667BCPZ-REEL7?
The device operates from a single 2.7 V to 5.5 V supply.
- Does the AD5667BCPZ-REEL7 have an on-chip reference?
- What is the power consumption of the AD5667BCPZ-REEL7 in normal operation?
The device is designed for low power consumption, making it suitable for portable battery-operated equipment.
- How does the power-down feature work on the AD5667BCPZ-REEL7?
The device reduces current consumption to 480 nA at 5 V and provides software-selectable output loads in power-down mode.
- What types of interfaces does the AD5667BCPZ-REEL7 support?
The device supports I2C-compatible serial interfaces in standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.
- What is the package type and dimensions of the AD5667BCPZ-REEL7?
The device is packaged in a 10-Lead LFCSP (3mm x 3mm).
- What is the operating temperature range of the AD5667BCPZ-REEL7?
The device operates from −40°C to +105°C.
- What are some common applications of the AD5667BCPZ-REEL7?
Common applications include process control, data acquisition systems, portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators.
- Does the AD5667BCPZ-REEL7 have a power-on reset feature?
