Overview
The AD5440YRUZ is a dual 10-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 AD5440YRUZ operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other low-voltage applications. It is manufactured on a CMOS submicron process, offering excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of up to 10 MHz.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Number of Bits | 10 | - | - |
| Number of D/A Converters | 2 | - | - |
| Voltage - Supply, Digital/Analog | 2.5 V to 5.5 V | V | - |
| Operating Temperature | -40°C to +125°C | °C | - |
| Settling Time | 120 ns | ns | - |
| Output Type | Current - Unbuffered | - | - |
| Reference Type | External | - | - |
| Package/Case | 24-TSSOP (0.173", 4.40mm Width) | - | - |
| INL/DNL (LSB) | ±0.5 (Max), ±1 (Max) | LSB | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | - | - |
Key Features
- Dual 10-bit DACs: The AD5440YRUZ features two 10-bit DAC channels, providing high precision and flexibility in various applications.
- High Bandwidth Multiplying DACs: These DACs offer excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of up to 10 MHz.
- Data Readback Function: Users can read the contents of the DAC register via the DB pins, enhancing control and monitoring capabilities.
- Low Power Consumption: The device operates with a typical current consumption of 0.5 μA, making it suitable for battery-powered applications.
- External Reference Input: The full-scale output current is determined by the applied external reference input voltage (VREF), allowing for flexible configuration.
- Integrated Feedback Resistor: Provides temperature tracking and full-scale voltage output when combined with an external I-to-V precision amplifier.
Applications
- Portable Battery-Powered Applications: Ideal for devices that require low power consumption and high precision.
- Waveform Generators: Suitable for generating precise waveforms due to its high bandwidth and accuracy.
- Analog Processing and Instrumentation: Used in various analog processing and instrumentation applications where precision and reliability are crucial.
- Programmable Amplifiers and Attenuators: Can be used to control gain and offset in amplifier and attenuator circuits.
- Digitally Controlled Calibration: Enables precise calibration of analog circuits.
- Programmable Filters and Oscillators: Useful in applications requiring adjustable filter and oscillator characteristics.
- Composite Video and Ultrasound: Suitable for applications in video and ultrasound systems where high precision and bandwidth are necessary.
Q & A
- What is the resolution of the AD5440YRUZ DAC?
The AD5440YRUZ is a dual 10-bit DAC, meaning each channel has a resolution of 10 bits.
- What is the operating voltage range of the AD5440YRUZ?
The device operates from a 2.5 V to 5.5 V power supply..
- What is the settling time of the AD5440YRUZ?
The settling time of the AD5440YRUZ is 120 ns.
- Does the AD5440YRUZ support data readback?
Yes, the AD5440YRUZ supports data readback, allowing users to read the contents of the DAC register via the DB pins.
- What is the package type of the AD5440YRUZ?
The AD5440YRUZ is available in a 24-lead TSSOP package.
- What are the key applications of the AD5440YRUZ?
The AD5440YRUZ is used in portable battery-powered applications, waveform generators, analog processing, instrumentation, programmable amplifiers and attenuators, digitally controlled calibration, programmable filters and oscillators, and composite video and ultrasound systems.
- Is the AD5440YRUZ RoHS compliant?
Yes, the AD5440YRUZ is lead-free and RoHS compliant.
- What is the operating temperature range of the AD5440YRUZ?
The operating temperature range of the AD5440YRUZ is -40°C to +125°C.
- How does the AD5440YRUZ handle power-on reset?
On power-up, the internal register and latches are filled with zeros, and the DAC outputs are at zero scale.
- What is the typical current consumption of the AD5440YRUZ?
The typical current consumption of the AD5440YRUZ is 0.5 μA.
