Overview
The AD565AJR, produced by Analog Devices Inc., is a high-speed 12-bit monolithic digital-to-analog converter (DAC). This device incorporates the latest advances in analog circuit design to achieve high speeds at low cost. It features a buried Zener reference with low-noise, long-term stability, and temperature drift characteristics comparable to the best discrete reference diodes. The AD565AJR is designed for applications requiring fast and accurate analog output, making it ideal for high-speed display drivers and fast analog-to-digital converters.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 12 | - | - | Bits |
| Output Current (Unipolar, All Bits On) | -1.6 | -2.0 | -2.4 | mA |
| Output Current (Bipolar, All Bits On or Off) | ±0.8 | ±1.0 | ±1.2 | mA |
| Settling Time to 1/2 LSB | - | 250 | - | ns |
| Full-Scale Switching Time | - | 30 | - | ns |
| Power Dissipation | - | 225 | 345 | mW |
| Operating Temperature Range (J, K Grades) | 0 | - | 70 | °C |
| Operating Temperature Range (S, T Grades) | -55 | - | 125 | °C |
| Package | - | - | - | 28-Lead SOIC (Wide) |
Key Features
- High-speed 12-bit digital-to-analog conversion with settling time to 1/2 LSB in 250 ns max.
- Full-scale switching time of 30 ns.
- Laser-trimmed thin-film resistor network for high accuracy and linearity.
- Buried Zener reference with low-noise and long-term stability.
- Low power consumption: 225 mW max.
- Available in four performance grades: J, K, S, and T.
- Monotonicity guaranteed over temperature.
- Supports both unipolar and bipolar output modes.
Applications
- Digital potentiometer emulation: Providing digitally controlled variable resistances in circuits.
- Video processing: Converting digital video signals into analog signals for display and transmission.
- Test and measurement: Utilized in various test equipment due to its high accuracy and speed.
- High-speed display drivers: Ideal for applications requiring fast and accurate analog output.
- Fast analog-to-digital converters: Used in systems that need rapid conversion between digital and analog signals.
Q & A
- What is the resolution of the AD565AJR?
The AD565AJR has a resolution of 12 bits.
- What is the settling time of the AD565AJR to 1/2 LSB?
The settling time to 1/2 LSB is 250 ns max.
- What is the full-scale switching time of the AD565AJR?
The full-scale switching time is 30 ns.
- What type of reference does the AD565AJR use?
The AD565AJR uses a buried Zener reference.
- What are the operating temperature ranges for the different grades of the AD565AJR?
The J and K grades operate from 0°C to +70°C, while the S and T grades operate from -55°C to +125°C.
- What is the power consumption of the AD565AJR?
The power consumption is 225 mW max.
- What package types are available for the AD565AJR?
The AD565AJR is available in a 28-Lead SOIC (Wide) package.
- Is the AD565AJR monotonic over temperature?
- What are some common applications of the AD565AJR?
- Does the AD565AJR support both unipolar and bipolar output modes?
