Overview
The AD5439YRUZ-REEL7, produced by 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 low-voltage 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 | |||
| Reference-Multiplying Bandwidth | 10 MHz | VREF = ±3.5 V p-p | |||
| Output Voltage Settling Time | 30 ns | 60 ns | ns | RLOAD = 100 Ω, CLOAD = 15 pF, VREF = 10 V | |
| Digital Delay | 20 ns | 40 ns | ns | ||
| Power Supply Voltage | 2.5 V | 5.5 V | V | ||
| Operating Temperature Range | -40°C | 125°C | °C | ||
| Package Type | 16-Lead TSSOP |
Key Features
- Dual 10-bit Resolution: The AD5439 offers dual 10-bit DAC channels, providing high precision for analog output.
- High Bandwidth: It features a large signal multiplying bandwidth of 10 MHz, making it suitable for high-frequency applications.
- Serial Interface: The device uses a double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards. It also supports daisy-chaining and data readback.
- Integrated Feedback Resistor: An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.
- Low Power Consumption: The device operates with a typical current consumption of 0.5 μA, making it suitable for battery-powered applications.
- Guaranteed Monotonicity: The DAC ensures guaranteed monotonicity, which is crucial for precise analog output.
Applications
- Portable Battery-Powered Applications: Suitable for devices that require low power consumption and high precision.
- Waveform Generators: Can be used in generating precise waveforms due to its high bandwidth and resolution.
- Analog Processing and Instrumentation: Ideal for various analog processing and instrumentation applications requiring high accuracy and bandwidth.
- Programmable Amplifiers and Attenuators: Can be used in applications that require programmable gain and attenuation.
- Digitally Controlled Calibration: Useful in systems that need digital control over calibration parameters.
- Programmable Filters and Oscillators: Suitable for applications requiring programmable filters and oscillators.
- Composite Video and Ultrasound: Can be applied in composite video and ultrasound systems due to its high bandwidth and precision.
Q & A
- What is the resolution of the AD5439YRUZ-REEL7 DAC?
The AD5439YRUZ-REEL7 has a resolution of 10 bits.
- What is the operating voltage range of the AD5439YRUZ-REEL7?
The device operates from a 2.5 V to 5.5 V power supply.
- What is the maximum clock frequency for the serial interface?
The maximum clock frequency for the serial interface is 50 MHz.
- Does the AD5439YRUZ-REEL7 support daisy-chaining?
Yes, the device supports daisy-chaining through its serial data out (SDO) pin.
- What is the typical current consumption of the AD5439YRUZ-REEL7?
The typical current consumption is 0.5 μA.
- What is the operating temperature range of the AD5439YRUZ-REEL7?
The operating temperature range is from -40°C to +125°C.
- What type of package does the AD5439YRUZ-REEL7 come in?
The device comes in a 16-lead TSSOP package.
- Does the AD5439YRUZ-REEL7 have an integrated feedback resistor?
Yes, it has an integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output.
- What are some common applications of the AD5439YRUZ-REEL7?
Common applications include portable battery-powered devices, waveform generators, analog processing, instrumentation, and programmable amplifiers and attenuators.
- Is the AD5439YRUZ-REEL7 guaranteed to be monotonic?
Yes, the device ensures guaranteed monotonicity.
