Overview
The AD5449YRUZ-REEL is a dual 12-bit, high-bandwidth, current output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other low-voltage applications. The AD5449 features a CMOS submicron process, offering excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of 10 MHz. It is packaged in a 16-lead TSSOP and is RoHS compliant.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Number of Bits | 12 | ||
| Number of D/A Converters | 2 | ||
| Resolution | 12 Bits | ||
| Relative Accuracy | ±1 LSB | ||
| Differential Nonlinearity (DNL) | -1/+2 LSB | ||
| Gain Error | ±25 mV | ||
| Gain Error Temperature Coefficient | ±5 ppm/°C | ||
| Output Leakage Current | ±5 nA | Data = 0x0000, TA = 25°C | |
| Settling Time | 120 ns | RLOAD = 100 Ω, CLOAD = 15 pF, VREF = 10 V | |
| Reference Type | External | ||
| Data Interface | SPI, DSP | ||
| Voltage - Supply, Analog/Digital | 2.5 V ~ 5.5 V | ||
| Operating Temperature | -40°C ~ 125°C | ||
| Package | 16-TSSOP (0.173", 4.40mm Width) | ||
| Differential Output | Yes | ||
| Output Type | Current - Unbuffered |
Key Features
- High Bandwidth Multiplication: The AD5449 offers a large signal multiplying bandwidth of 10 MHz, making it suitable for high-frequency applications.
- Dual 12-Bit DACs: Features two 12-bit DAC channels, providing high resolution and precision for analog output.
- External Reference Input: Allows for an external reference voltage to determine the full-scale output current, enhancing flexibility in system design.
- Serial Interface Compatibility: Uses a double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards.
- Low Power Supply: Operates from a 2.5 V to 5.5 V power supply, suitable for battery-powered and low-voltage applications.
- RoHS Compliant: The device is lead-free and RoHS compliant, ensuring environmental sustainability).
- Wide Operating Temperature Range: Functions over a temperature range of -40°C to 125°C, making it suitable for a variety of environmental conditions).
Applications
- Industrial Control Systems: Suitable for precision control in industrial automation and process control systems due to its high accuracy and reliability).
- Aerospace and Defense: The wide operating temperature range and high precision make it a candidate for aerospace and defense applications).
- Medical Devices: Can be used in medical equipment requiring precise analog outputs, such as in diagnostic and therapeutic devices).
- Automotive Systems: Applicable in automotive systems that require high reliability and precision, such as in engine control and safety systems).
- Test and Measurement Equipment: Ideal for use in test and measurement instruments where high accuracy and stability are crucial).
Q & A
- What is the resolution of the AD5449YRUZ-REEL DAC?
The AD5449YRUZ-REEL has a resolution of 12 bits).
- How many DAC channels does the AD5449YRUZ-REEL have?
The device features two DAC channels).
- What is the operating temperature range of the AD5449YRUZ-REEL?
The operating temperature range is -40°C to 125°C).
- What type of serial interface does the AD5449YRUZ-REEL 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 AD5449YRUZ-REEL?
The settling time is 120 ns for RLOAD = 100 Ω, CLOAD = 15 pF, and VREF = 10 V).
- Is the AD5449YRUZ-REEL RoHS compliant?
Yes, the device is lead-free and RoHS compliant).
- What is the voltage supply range for the AD5449YRUZ-REEL?
The device operates from a 2.5 V to 5.5 V power supply).
- What type of output does the AD5449YRUZ-REEL provide?
The device provides current - unbuffered output).
- Does the AD5449YRUZ-REEL support differential output?
Yes, the device supports differential output).
- What is the package type of the AD5449YRUZ-REEL?
The device is packaged in a 16-TSSOP (0.173", 4.40mm Width)).
