Overview
The AD5447YRUZ is a dual 12-bit, high bandwidth multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5428/AD5440/AD5447 family, which includes 8-, 10-, and 12-bit DACs, respectively. The AD5447YRUZ operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other low-voltage applications. It features a parallel interface and is manufactured using a CMOS submicron process, offering excellent 4-quadrant multiplication characteristics and large signal multiplying bandwidths up to 10 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 12 | - | - | Bits | - |
| Relative Accuracy | - | - | ±0.5 | LSB | - |
| Differential Nonlinearity | - | - | ±1 | LSB | Guaranteed monotonic |
| Total Unadjusted Error (TUE) | - | - | ±1 | LSB | - |
| Gain Error | - | - | ±0.5 | LSB | - |
| VDD | 2.5 | - | 5.5 | V | - |
| Temperature Range (Y version) | -40 | - | 125 | °C | - |
| Reference Input Range | - | - | ±10 | V | - |
| Output Voltage Settling Time | 100 | - | 110 | ns | Measured to ±1 mV of FS |
| Digital Delay | 20 | - | 40 | ns | Interface delay time |
Key Features
- Dual 12-bit, high bandwidth multiplying DAC with parallel interface.
- Operates from a 2.5 V to 5.5 V power supply, suitable for battery-powered applications.
- Manufactured using a CMOS submicron process, offering excellent 4-quadrant multiplication characteristics and large signal multiplying bandwidths up to 10 MHz.
- Data readback capability, allowing the user to read the contents of the DAC register via the DB pins.
- Integrated feedback resistor (RFB) provides temperature tracking and full scale voltage output when combined with an external I-to-V precision amplifier.
- Available in a 24-lead TSSOP package.
- Guaranteed monotonicity and low differential nonlinearity.
Applications
The AD5447YRUZ is versatile and can be used in various applications, including:
- Battery-powered systems due to its low power supply requirements.
- Industrial control systems where precise analog output is necessary.
- Aerospace and defense applications requiring high reliability and precision.
- Medical devices that demand accurate and stable analog signals.
- Automotive systems where robust and reliable DAC performance is critical).
Q & A
- What is the resolution of the AD5447YRUZ DAC?
The AD5447YRUZ has a resolution of 12 bits.
- What is the operating voltage range of the AD5447YRUZ?
The AD5447YRUZ operates from a 2.5 V to 5.5 V power supply).
- What is the temperature range for the Y version of the AD5447YRUZ?
The temperature range for the Y version is −40°C to +125°C).
- What is the reference input range for the AD5447YRUZ?
The reference input range is ±10 V).
- What is the output voltage settling time for the AD5447YRUZ?
The output voltage settling time is 100 ns to 110 ns, measured to ±1 mV of full scale).
- Does the AD5447YRUZ support data readback?
Yes, the AD5447YRUZ supports data readback, allowing the user to read the contents of the DAC register via the DB pins).
- What package type is the AD5447YRUZ available in?
The AD5447YRUZ is available in a 24-lead TSSOP package).
- What are the key applications of the AD5447YRUZ?
The AD5447YRUZ is used in battery-powered systems, industrial control systems, aerospace and defense applications, medical devices, and automotive systems).
- Is the AD5447YRUZ RoHS compliant?
Yes, the AD5447YRUZ is RoHS compliant).
- What is the multiplying bandwidth of the AD5447YRUZ?
The AD5447YRUZ has a large signal multiplying bandwidth of up to 10 MHz).
