Overview
The AD5443YRMZ is a 12-bit high bandwidth multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5426/AD5432/AD5443 family, which includes 8-, 10-, and 12-bit current output DACs, respectively. The AD5443 operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered applications and various other uses. It features a double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards. The device is known for its excellent 4-quadrant multiplication characteristics and large signal multiplying bandwidths of 10 MHz.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12 Bits | ||
| Supply Voltage (Analog and Digital) | 2.5 V to 5.5 V | V | |
| Operating Temperature | -40°C to 125°C | °C | |
| Settling Time | 160 ns | ns | Measured to ±1 mV of FS |
| Data Interface | SPI, QSPI™, MICROWIRE™, DSP | ||
| Reference Type | External | ||
| Output Type | Current - Unbuffered | ||
| INL/DNL | ±1 LSB (Max), -1/+2 LSB (Max) | LSB | |
| Differential Output | Yes | ||
| Package | 10-lead MSOP |
Key Features
- High bandwidth multiplying DAC with a 10 MHz multiplying bandwidth and 2.5 MSPS update rate.
- Double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards.
- Low glitch energy of < 2 nV-s and guaranteed monotonic 4-quadrant multiplication.
- Power-on reset with brownout detection and daisy-chain mode for multiple device operation.
- Readback function to read the contents of the DAC register via the SDO pin.
- Extended temperature range of -40°C to 125°C and low power consumption of 0.4 µA typical.
Applications
- Portable battery-powered applications
- Waveform generators
- Analog processing
- Instrumentation
- Programmable amplifiers and attenuators
- Digitally controlled calibration
- Programmable filters and oscillators
- Composite video and ultrasound applications.
Q & A
- What is the resolution of the AD5443YRMZ DAC?
The AD5443YRMZ has a resolution of 12 bits.
- What is the operating voltage range of the AD5443YRMZ?
The device operates from a 2.5 V to 5.5 V power supply.
- What is the operating temperature range of the AD5443YRMZ?
The operating temperature range is -40°C to 125°C.
- What type of interface does the AD5443YRMZ use?
The device uses a double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards.
- What is the settling time of the AD5443YRMZ?
The settling time is 160 ns measured to ±1 mV of full scale.
- Does the AD5443YRMZ support daisy-chaining?
Yes, the device supports daisy-chaining through the SDO pin.
- What is the typical power consumption of the AD5443YRMZ?
The typical power consumption is 0.4 µA.
- What type of output does the AD5443YRMZ provide?
The device provides a current output, which is unbuffered.
- Is the AD5443YRMZ guaranteed to be monotonic?
Yes, the device is guaranteed to be monotonic.
- What is the reference input range for the AD5443YRMZ?
The reference input range is ±10 V.
