Overview
The AD571SD/883B is a 10-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is designed to provide a complete analog-to-digital conversion function without the need for external components. It includes a digital-to-analog converter (DAC), voltage reference, clock, comparator, successive approximation register (SAR), and output buffers, all fabricated on a single chip. The AD571SD/883B operates over a wide temperature range of -55°C to +125°C, making it suitable for various industrial and military applications.
Key Specifications
| Specification | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | 10 | 10 | Bits |
| Relative Accuracy (TA = +25°C) | ±1/2 | ±1/2 | ±1/2 | LSB |
| Full-Scale Calibration | ±2 | ±2 | ±2 | LSB |
| Unipolar Offset | ±1/2 | ±1/2 | ±1/2 | LSB |
| Bipolar Offset | ±1/2 | ±1/2 | ±1/2 | LSB |
| Differential Nonlinearity | ±1/2 | ±1/2 | ±1/2 | LSB |
| Temperature Range | -55 | +125 | °C | |
| Conversion Time | 15 | 25 | 40 | μs |
| Power Supply (V+) | +4.5 | +5.0 | +7.0 | V |
| Power Supply (V-) | -12.0 | -15.0 | -16.5 | V |
| Operating Current (V+) | 7 | 7 | 7 | mA |
| Operating Current (V-) | 9 | 15 | 15 | mA |
| Package | 18-Lead Side-Brazed Ceramic DIP |
Key Features
- Complete ADC Functionality: The AD571SD/883B includes all necessary components for analog-to-digital conversion, such as a DAC, voltage reference, clock, comparator, SAR, and output buffers, all on a single chip.
- High Accuracy: Provides a true 10-bit conversion with no missing codes and an accuracy of ±1/2 LSB (0.05%).
- Wide Temperature Range: Operates from -55°C to +125°C, making it suitable for harsh environments.
- Fast Conversion Time: Completes a conversion in a maximum of 40 μs.
- Flexible Power Supply: Can operate with power supplies ranging from +4.5V to +7.0V and -12V to -16.5V.
- Low Power Consumption: Operates with low current requirements, typically 7 mA for V+ and 9-15 mA for V-.
Applications
- Military and Aerospace: The AD571SD/883B is qualified to MIL-STD-883 standards, making it suitable for military and aerospace applications.
- Industrial Automation: Its high accuracy and wide temperature range make it ideal for industrial automation and control systems.
- Medical Devices: Can be used in medical devices that require precise analog-to-digital conversion over a wide temperature range.
- Communications Equipment: Suitable for use in various communication systems due to its reliability and performance.
Q & A
- What is the resolution of the AD571SD/883B?
The AD571SD/883B has a resolution of 10 bits.
- What is the temperature range of the AD571SD/883B?
The AD571SD/883B operates from -55°C to +125°C.
- How long does a conversion take for the AD571SD/883B?
A conversion takes a maximum of 40 μs.
- What are the power supply requirements for the AD571SD/883B?
The AD571SD/883B can operate with power supplies ranging from +4.5V to +7.0V and -12V to -16.5V.
- Does the AD571SD/883B require external components for operation?
No, the AD571SD/883B does not require any external components to perform the analog-to-digital conversion function.
- What is the package type of the AD571SD/883B?
The AD571SD/883B is available in an 18-Lead Side-Brazed Ceramic DIP package.
- Is the AD571SD/883B suitable for military applications?
Yes, the AD571SD/883B is qualified to MIL-STD-883 standards, making it suitable for military applications.
- What is the typical operating current for the AD571SD/883B?
The typical operating current for V+ is 7 mA and for V- is 9-15 mA.
- Does the AD571SD/883B have any missing codes in its conversion?
No, the AD571SD/883B executes a true 10-bit conversion with no missing codes.
- What is the storage temperature range for the AD571SD/883B?
The storage temperature range for the AD571SD/883B is -65°C to +150°C.
