Overview
The AD5645RBRUZ-REEL7 is a quad, 14-bit nanoDAC (digital-to-analog converter) produced by Analog Devices Inc. This device is part of the AD5625R/AD5645R/AD5665R series, known for its high precision and versatility. It features a 2-wire I2C-compatible serial interface and operates in standard, fast, and high-speed modes. The AD5645RBRUZ-REEL7 is designed for applications requiring high accuracy and reliability, with a wide operating temperature range and robust power supply rejection ratio.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Resolution | 14 bits | ||||
| Relative Accuracy (INL) | ±4 LSB | Over temperature range | |||
| Differential Nonlinearity (DNL) | ±1 LSB | ||||
| Settling Time | 3.5 µs | 5 µs | ¼ to ¾ scale settling to ±0.5 LSB | ||
| Power Supply | 2.7 V | 5.5 V | V | ||
| Operating Temperature | −40°C | +105°C | °C | ||
| I2C Interface Speed | 100 kHz | 400 kHz | 3.4 MHz | Standard, fast, and high-speed modes | |
| Output Voltage Range | 0 V | VDD | V | Rail-to-rail operation | |
| Output Current Drive | 15 mA | mA |
Key Features
- Quad, 14-bit digital-to-analog conversion with high precision and low noise.
- 2-wire I2C-compatible serial interface with standard, fast, and high-speed modes.
- Internal reference with 5 ppm/°C temperature drift and external reference option.
- Rail-to-rail output amplifier for full-scale output range.
- Low power consumption with normal mode current specified for full-scale loaded conditions.
- Robust power supply rejection ratio (PSRR) and low digital feedthrough.
- Operating temperature range from −40°C to +105°C.
Applications
- Industrial automation and process control systems.
- Data acquisition systems and PLC input/output cards.
- Optical transceivers and base station power amplifiers.
- General-purpose analog output applications requiring high accuracy and reliability.
Q & A
- What is the resolution of the AD5645RBRUZ-REEL7?
The AD5645RBRUZ-REEL7 has a resolution of 14 bits. - What are the operating temperature ranges for this device?
The device operates from −40°C to +105°C. - What are the power supply requirements for the AD5645RBRUZ-REEL7?
The device operates from a single 2.7 V to 5.5 V power supply. - What is the settling time for the AD5645RBRUZ-REEL7?
The settling time is typically 3.5 µs and up to 5 µs for ¼ to ¾ scale settling to ±0.5 LSB. - Does the AD5645RBRUZ-REEL7 have an internal reference option?
Yes, it includes a 5 ppm/°C internal reference, and it also supports an external reference option. - What is the output current drive capability of the AD5645RBRUZ-REEL7?
The output current drive capability is up to 15 mA. - What types of interfaces does the AD5645RBRUZ-REEL7 support?
The device supports a 2-wire I2C-compatible serial interface in standard, fast, and high-speed modes. - Is the AD5645RBRUZ-REEL7 suitable for high-temperature applications?
Yes, it is designed to operate over a wide temperature range from −40°C to +105°C. - What are some common applications for the AD5645RBRUZ-REEL7?
Common applications include industrial automation, data acquisition systems, optical transceivers, and base station power amplifiers. - Does the AD5645RBRUZ-REEL7 have rail-to-rail output capability?
Yes, the output amplifier has rail-to-rail operation, allowing for full-scale output range.
