Overview
The AD5664RBRMZ-3, produced by Analog Devices Inc., is a member of the nanoDAC family. It is a low-power, quad, 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 is guaranteed monotonic by design. The AD5664R features an on-chip reference with a precision of 5 ppm/°C, making it suitable for applications requiring high accuracy and stability.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 16 Bits | - | - |
| Relative Accuracy | ±8 | - | ±16 | LSB | - |
| Differential Nonlinearity | ±1 | - | - | LSB | Guaranteed monotonic by design |
| Zero-Code Error | - | - | 10 mV | - | All zeroes loaded to DAC register |
| Offset Error | ±1 | - | ±10 | mV | - |
| Full-Scale Error | -0.1 | - | - | mV | - |
| Power Supply Range | 2.7 | - | 5.5 | V | - |
| Reference Input Range | 0 | - | VDD | V | - |
| Reference Output Voltage | 1.247 | 1.25 | 1.253 | V | At ambient |
| Reference Temperature Coefficient | ±5 | - | ±15 | ppm/°C | - |
| Power-Up Time | - | - | 4 μs | - | Coming out of power-down mode; VDD = 3 V |
| Serial Interface Clock Rate | - | - | 50 MHz | - | - |
Key Features
- Quad, 16-bit buffered voltage-out DAC with on-chip reference (1.25 V or 2.5 V, 5 ppm/°C)
- Operates from a single 2.7 V to 5.5 V supply
- Guaranteed monotonic by design
- Power-on reset to zero scale and per-channel power-down feature
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, up to 50 MHz clock rate
- On-chip precision output amplifier enabling rail-to-rail output swing
- Low power consumption, suitable for portable battery-operated equipment
Applications
- Process controls
- 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 AD5664RBRMZ-3?
The AD5664RBRMZ-3 has a resolution of 16 bits
- What is the power supply range for the AD5664RBRMZ-3?
The device operates from a single 2.7 V to 5.5 V supply
- What is the accuracy of the on-chip reference?
The on-chip reference has an accuracy of 5 ppm/°C
- Does the AD5664RBRMZ-3 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 maximum clock rate of the serial interface?
The serial interface operates at clock rates up to 50 MHz
- Is the AD5664RBRMZ-3 suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption
- What types of interfaces are supported by the AD5664RBRMZ-3?
The device supports SPI, QSPI, MICROWIRE, and DSP interface standards
- Does the AD5664RBRMZ-3 have a per-channel power-down feature?
Yes, it has a per-channel power-down feature that reduces current consumption
- What is the output impedance of the reference output?
The output impedance of the reference output is 7.5 kΩ
- What are some common applications of the AD5664RBRMZ-3?
Common applications include process controls, data acquisition systems, and portable battery-powered instruments
