Overview
The AD5439YRUZ from Analog Devices Inc. is a dual 10-bit, high bandwidth, multiplying digital-to-analog converter (DAC) with a serial interface. This device is part of the AD5429/AD5439/AD5449 family, which includes 8-, 10-, and 12-bit versions, respectively. The AD5439 operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other applications. Manufactured on a CMOS submicron process, it offers excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of 10 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Resolution | - | - | 10 Bits | - | - |
| Relative Accuracy | - | - | ±0.5 LSB | - | - |
| Differential Nonlinearity | - | - | ±1 LSB | - | - |
| Gain Error | - | - | ±25 mV | - | - |
| Gain Error Temperature Coefficient | - | - | ±5 ppm/°C | - | - |
| Output Leakage Current | - | - | ±5 nA | - | Data = 0x0000, TA = 25°C |
| Supply Voltage | 2.5 V | - | 5.5 V | V | - |
| Maximum Clock Frequency | - | - | 50 MHz | - | - |
| Operating Temperature Range | -40°C | - | 125°C | °C | - |
Key Features
- Dual 10-bit, high bandwidth, multiplying DAC with a serial interface.
- Operates from a 2.5 V to 5.5 V power supply, suitable for battery-powered applications.
- Excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of 10 MHz.
- Integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.
- Double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards.
- Serial data out (SDO) pin allows daisy-chaining when multiple packages are used.
- Data readback function to read the contents of the DAC register via the SDO pin.
- Available in 16-lead TSSOP packages.
- Power-on reset with internal shift register and latches filled with 0s, and DAC outputs at zero scale.
Applications
- Portable battery-powered applications.
- Waveform generators.
- Analog processing and instrumentation.
- Programmable amplifiers and attenuators.
- Digitally controlled calibration.
- Programmable filters and oscillators.
- Composite video and ultrasound applications.
- Gain, offset, and voltage trimming.
Q & A
- What is the resolution of the AD5439YRUZ DAC?
The AD5439YRUZ has a resolution of 10 bits.
- What is the operating voltage range of the AD5439YRUZ?
The AD5439YRUZ operates from a 2.5 V to 5.5 V power supply.
- What is the maximum clock frequency for the serial interface of the AD5439YRUZ?
The maximum clock frequency is 50 MHz.
- Does the AD5439YRUZ support daisy-chaining?
Yes, the AD5439YRUZ supports daisy-chaining through its serial data out (SDO) pin.
- What is the temperature range for the AD5439YRUZ?
The operating temperature range is from -40°C to 125°C.
- What type of package is the AD5439YRUZ available in?
The AD5439YRUZ is available in 16-lead TSSOP packages.
- Does the AD5439YRUZ have a power-on reset feature?
Yes, the AD5439YRUZ has a power-on reset feature with internal shift register and latches filled with 0s, and DAC outputs at zero scale.
- What are some common applications of the AD5439YRUZ?
Common applications include portable battery-powered devices, waveform generators, analog processing, instrumentation, programmable amplifiers and attenuators, and more.
- How does the AD5439YRUZ achieve temperature tracking?
The AD5439YRUZ achieves temperature tracking through an integrated feedback resistor (RFB) when combined with an external current-to-voltage precision amplifier.
- Is the AD5439YRUZ compatible with various serial interface standards?
Yes, it is compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards.
