Overview
The AD9772AASTZRL is a high-performance, single-supply, oversampling 14-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is optimized for baseband or IF waveform reconstruction applications, making it suitable for various high-fidelity signal processing tasks. The AD9772A features a robust design with low power consumption and high accuracy, making it an ideal choice for demanding applications in telecommunications, audio processing, and other fields requiring precise analog signal generation.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 14 | - | - |
| Full-Scale Error (Ext. REF = 2.5 V) | % | ±0.5 | - | ±0.5 |
| Full-Scale Error Drift | ppm/°C | ±7 | - | ±7 |
| Bipolar Zero Error | mV | ±10 | - | ±15 |
| Bipolar Zero Error Drift | ppm/°C | ±2 | - | ±2 |
| Unipolar Zero Error | mV | ±10 | - | ±10 |
| Digital Input Logic Levels (VIL, VIH) | V | -0.3, 2.0 | - | 0.8, VDIG + 0.3 |
| Power Supplies (VDIG, VANA) | V | 4.75 | 5 | 5.25 |
| Power Dissipation (Low, High) | mW, µW | 100 | - | 50 |
| Temperature Range | °C | -40 | - | 85 |
| Conversion Time | µs | 3.8 | 4.0 | 7.6 |
Key Features
- Single-supply operation with low power consumption.
- 14-bit resolution for high accuracy in analog signal generation.
- Oversampling architecture for improved signal-to-noise ratio (SNR) and reduced distortion.
- Support for both bipolar and unipolar output ranges.
- Internal or external data clock options for flexible system integration.
- Low full-scale error and drift, ensuring stable performance over temperature variations.
- Compact package suitable for space-constrained applications.
Applications
The AD9772AASTZRL is particularly suited for applications in baseband or IF waveform reconstruction, such as in telecommunications, audio processing, and other high-fidelity signal processing tasks. It is also applicable in areas requiring precise analog signal generation, including medical imaging, test and measurement equipment, and industrial control systems.
Q & A
- What is the resolution of the AD9772AASTZRL DAC? The AD9772AASTZRL has a resolution of 14 bits.
- What is the typical full-scale error of the AD9772AASTZRL? The typical full-scale error is ±0.5% when using an external reference of 2.5 V.
- What are the power supply requirements for the AD9772AASTZRL? The component requires a single supply voltage of 4.75 V to 5.25 V for both VDIG and VANA.
- What is the operating temperature range of the AD9772AASTZRL? The operating temperature range is from -40°C to +85°C.
- Can the AD9772AASTZRL use an external data clock? Yes, the AD9772AASTZRL supports both internal and external data clock options.
- What is the conversion time of the AD9772AASTZRL? The conversion time is typically 4.0 µs, with a range of 3.8 µs to 7.6 µs.
- What are the typical digital input logic levels for the AD9772AASTZRL? The typical digital input logic levels are VIL = -0.3 V to 0.8 V and VIH = 2.0 V to VDIG + 0.3 V.
- How much power does the AD9772AASTZRL consume? The power dissipation is typically 100 mW in low power mode and 50 µW in high power mode.
- What are the bipolar zero error and drift specifications? The bipolar zero error is ±10 mV, and the drift is ±2 ppm/°C.
- In what types of applications is the AD9772AASTZRL commonly used? The AD9772AASTZRL is commonly used in telecommunications, audio processing, medical imaging, test and measurement equipment, and industrial control systems.
