Overview
The AD5449YRU-REEL7 is a 12-bit, dual-channel, current output digital-to-analog converter (DAC) produced by Analog Devices Inc. This CMOS device is part of the AD5429/AD5439/AD5449 family, which includes 8-, 10-, and 12-bit versions, respectively. The AD5449 is designed for high bandwidth and features a serial interface, making it suitable for a variety of applications requiring precise analog output control.
Key Specifications
| Parameter | Min | Unit | Conditions | ||
|---|---|---|---|---|---|
| Resolution | - | - | 12 Bits | - | - |
| Relative Accuracy | - | - | ±1 LSB | - | - |
| Differential Nonlinearity | -1 | - | +2 LSB | - | Guaranteed monotonic |
| Gain Error | - | - | ±25 mV | - | - |
| Gain Error Temperature Coefficient | - | - | ±5 ppm/°C | - | - |
| Output Leakage Current | - | - | ±5 nA | - | Data = 0x0000, TA = 25°C |
| Settling Time | 80 | - | 120 ns | - | RLOAD = 100 Ω, CLOAD = 15 pF, VREF = 10 V |
| Digital Delay | 20 | - | 40 ns | - | - |
| Voltage - Supply, Digital | 2.5 | - | 5.5 V | - | - |
| Voltage - Supply, Analog | 2.5 | - | 5.5 V | - | - |
| Operating Temperature | -40 | - | 125°C | - | - |
| Package / Case | - | - | 16-TSSOP | - | - |
Key Features
- Dual 12-bit current output digital-to-analog conversion
- High bandwidth with a reference-multiplying bandwidth of up to 10 MHz
- Serial interface for easy communication and control
- Guaranteed monotonicity over the entire operating range
- Low output leakage current and high accuracy
- Operating temperature range from -40°C to 125°C
- Supply voltage range from 2.5 V to 5.5 V for both digital and analog supplies
- Surface mount 16-TSSOP package for compact design
Applications
- Industrial control systems requiring precise analog output
- Aerospace and defense applications where high accuracy and reliability are crucial
- Medical devices that need stable and accurate analog signals
- Automotive systems for sensor calibration and control
- Test and measurement equipment where high bandwidth and accuracy are necessary
Q & A
- What is the resolution of the AD5449YRU-REEL7 DAC?
The AD5449YRU-REEL7 has a resolution of 12 bits.
- What is the typical settling time of the AD5449YRU-REEL7?
The settling time is typically between 80 ns to 120 ns.
- What is the operating temperature range of the AD5449YRU-REEL7?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the AD5449YRU-REEL7?
The supply voltage range is from 2.5 V to 5.5 V for both digital and analog supplies.
- What type of package does the AD5449YRU-REEL7 come in?
The AD5449YRU-REEL7 comes in a 16-TSSOP package.
- Is the AD5449YRU-REEL7 guaranteed to be monotonic?
Yes, the AD5449YRU-REEL7 is guaranteed to be monotonic over the entire operating range.
- What is the maximum clock frequency for the serial interface?
The maximum clock frequency is 50 MHz.
- What is the typical output leakage current?
The typical output leakage current is ±5 nA.
- What are some common applications for the AD5449YRU-REEL7?
Common applications include industrial control systems, aerospace and defense, medical devices, automotive systems, and test and measurement equipment.
- Does the AD5449YRU-REEL7 support external reference input?
Yes, the AD5449YRU-REEL7 supports an external reference input.
