Overview
The AD5663BRMZ, produced by Analog Devices Inc., is a dual 16-bit digital-to-analog converter (DAC) that is part of the *nano*DAC® family. This device is designed for low power consumption and operates from a single supply voltage ranging from 2.7 V to 5.5 V. It features a rail-to-rail output and is guaranteed monotonic by design, making it suitable for a variety of applications, particularly in portable, battery-operated equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16-bit |
| Number of D/A Converters | 2 |
| Settling Time | 7 μs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI, QSPI, MICROWIRE, DSP |
| Reference Type | External |
| Voltage - Supply, Analog/Digital | 2.7 V ~ 5.5 V |
| INL/DNL (LSB) | ±6, ±1 (Max) |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 105°C |
| Package | 10-lead MSOP, 10-lead LFCSP_WD |
Key Features
- Low power consumption: typically 0.6 mW at 3 V and 1.25 mW at 5 V, reducing to 2.4 μW in power-down mode.
- Power-on reset circuit ensuring DAC output powers up to 0 V or midscale and remains there until a valid write sequence.
- Software-selectable output loads in power-down mode.
- Rail-to-rail output swing achieved through the on-chip precision output amplifier.
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, operating at clock rates up to 50 MHz.
- High accuracy with relative accuracy of ±12 LSBs maximum.
Applications
The AD5663BRMZ is ideally suited for various applications, including:
- Portable, battery-operated equipment due to its low power consumption.
- Industrial control systems requiring precise analog output.
- Aerospace and defense systems where reliability and accuracy are critical.
- Medical devices that need stable and accurate analog signals.
- Automotive systems for precise control and monitoring.
Q & A
- What is the operating voltage range of the AD5663BRMZ?
The AD5663BRMZ operates from a single supply voltage ranging from 2.7 V to 5.5 V. - How many bits does the AD5663BRMZ DAC have?
The AD5663BRMZ is a dual 16-bit DAC. - What is the settling time of the AD5663BRMZ?
The settling time is 7 μs. - Does the AD5663BRMZ have a power-down feature?
Yes, it has a power-down feature that reduces current consumption to 480 nA at 5 V. - What type of interface does the AD5663BRMZ use?
The AD5663BRMZ uses a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. - What is the maximum clock rate of the serial interface?
The serial interface can operate at clock rates up to 50 MHz. - Is the AD5663BRMZ guaranteed monotonic?
Yes, the AD5663BRMZ is guaranteed monotonic by design. - What is the typical power consumption of the AD5663BRMZ at 5 V?
The typical power consumption is 1.25 mW at 5 V. - Can the AD5663BRMZ achieve rail-to-rail output swing?
Yes, the on-chip precision output amplifier allows for rail-to-rail output swing. - What is the operating temperature range of the AD5663BRMZ?
The operating temperature range is -40°C to 105°C.
