Overview
The AD5696RBRUZ-RL7, produced by Analog Devices Inc., is a quad 16-bit digital-to-analog converter (DAC) with a buffered voltage output. This device is part of the nanoDAC+ series and is known for its high relative accuracy and low drift internal reference. It operates from a single supply voltage of 2.7 V to 5.5 V and features a versatile 2-wire serial interface with clock rates up to 400 kHz. The AD5696RBRUZ-RL7 is available in a compact 3 mm × 3 mm, 16-lead LFCSP package, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16 | 16 | 16 | Bits | |
| Relative Accuracy (INL) | ±2 | ±8 | ±1 | LSB | Gain = 1, Gain = 2: ±2 ±8 ±1 ±3 LSB |
| Differential Nonlinearity | ±1 | ±1 | ±1 | LSB | Guaranteed monotonic by design |
| Internal Reference Voltage | 2.5 | 2.5 | 2.5 | V | 2 ppm/°C typical temperature coefficient |
| Output Voltage Range | 0 | 2 × VREF | V | Gain = 1: 0 to VREF, Gain = 2: 0 to 2 × VREF | |
| Power Supply Voltage (VDD) | 2.7 | 5.5 | V | ||
| Logic Supply Voltage (VLOGIC) | 1.62 | 5.5 | V | ||
| Power Consumption (Normal Mode) | 0.59 | 0.7 | 0.7 | mA | Internal reference off, VDD = 2.7 V to 5.5 V |
| Power Consumption (Power-Down Mode) | 1 | 4 | μA | −40°C to +105°C |
Key Features
- High Relative Accuracy: ±2 LSB maximum at 16 bits, ensuring precise output voltages.
- Low Drift Internal Reference: 2.5 V reference with a typical temperature coefficient of 2 ppm/°C.
- Compact Package: Available in 3 mm × 3 mm, 16-lead LFCSP and 16-lead TSSOP packages.
- Versatile Interface: 2-wire serial interface operating at clock rates up to 400 kHz.
- Power-On Reset and Power-Down Mode: Ensures DAC outputs power up to a known state and reduces current consumption to 4 μA in power-down mode.
- High Drive Capability: Output amplifiers can drive loads up to 20 mA, with 0.5 V from supply rails.
- Guaranteed Monotonicity: Ensures that the output voltage always increases or remains constant with increasing digital input code.
Applications
- Industrial Automation: For precise control and measurement in industrial automation systems.
- Medical Devices: In medical equipment requiring high accuracy and reliability.
- Aerospace and Defense: For applications demanding high precision and robustness.
- Automotive Systems: For control and monitoring in automotive electronics.
- Test and Measurement Equipment: For generating precise analog signals in test and measurement instruments.
Q & A
- What is the resolution of the AD5696RBRUZ-RL7 DAC?
The AD5696RBRUZ-RL7 has a resolution of 16 bits.
- What is the temperature coefficient of the internal reference?
The internal reference has a typical temperature coefficient of 2 ppm/°C.
- What are the package options for the AD5696RBRUZ-RL7?
The device is available in 3 mm × 3 mm, 16-lead LFCSP and 16-lead TSSOP packages.
- What is the maximum clock rate of the serial interface?
The 2-wire serial interface operates at clock rates up to 400 kHz.
- How does the power-on reset feature work?
The power-on reset circuit ensures that the DAC outputs power up to a known state (zero scale or midscale) based on the RSTSEL pin configuration.
- What is the current consumption in power-down mode?
The current consumption is typically 4 μA in power-down mode.
- Is the DAC output guaranteed to be monotonic?
Yes, the output is guaranteed monotonic by design.
- What is the maximum output current of the DAC?
The output amplifiers can drive loads up to 20 mA.
- What are the typical applications of the AD5696RBRUZ-RL7?
It is used in industrial automation, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
- What is the operating voltage range of the AD5696RBRUZ-RL7?
The device operates from a single supply voltage of 2.7 V to 5.5 V.
