Overview
The AD557JPZ-REEL7 is a precision voltage-output digital-to-analog converter (DAC) designed by Analog Devices Inc. This component is renowned for its exceptional performance and versatility, making it ideal for various applications requiring high-precision analog voltage outputs. The AD557JPZ-REEL7 operates by converting digital input codes into precise analog voltages using a resistor ladder architecture combined with advanced digital-to-analog conversion techniques.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | AD557JPZ-REEL7 | |
| Package | 20-LCC (J-Lead) | |
| Number of Bits | 8 | |
| Number of D/A Converters | 1 | |
| Settling Time | 1.5 μs | |
| Output Type | Voltage – Unbuffered | |
| Differential Output | No | |
| Data Interface | Parallel | |
| Reference Type | Internal | |
| Voltage-Supply Analog | 5 V | |
| Voltage-Supply Digital | 5 V | |
| INL/DNL (LSB) | ±0.5, – | |
| Architecture | R-2R | |
| Operating Temperature | 0°C ~ 70°C |
Key Features
- Monotonic Performance: Ensures that the output voltage increases or decreases with increasing digital input code without any unintended reversals.
- Low Integral Nonlinearity (INL) and Differential Nonlinearity (DNL): Maintains low INL and DNL errors, ensuring accurate conversion of digital codes to analog voltages.
- High Resolution: Offers a resolution of 8 bits, providing precise voltage control with fine granularity.
- Low Glitch Impulse: Minimizes glitch impulse during code transitions, ensuring stable and accurate output voltages.
- Wide Operating Voltage Range: Supports a wide operating voltage range, allowing flexibility in system integration and compatibility with various power supply configurations.
Applications
- Automotive Electronics: Can be employed in engine control modules (ECMs) for precise control of fuel injection timing and throttle actuation, enhancing engine performance and fuel efficiency.
- Medical Instrumentation: Utilized in patient monitoring systems to generate accurate control voltages for regulating medical equipment, ensuring patient safety and treatment efficacy.
- Aerospace and Defense: Plays a crucial role in avionics systems for altitude control, navigation, and communication, where precision and reliability are paramount.
Q & A
- What is the primary function of the AD557JPZ-REEL7?
The AD557JPZ-REEL7 is a digital-to-analog converter (DAC) that converts digital input codes into precise analog voltages.
- What is the resolution of the AD557JPZ-REEL7?
The resolution of the AD557JPZ-REEL7 is 8 bits.
- What is the settling time of the AD557JPZ-REEL7?
The settling time is 1.5 μs.
- What type of output does the AD557JPZ-REEL7 provide?
The output is an unbuffered voltage.
- What is the operating temperature range of the AD557JPZ-REEL7?
The operating temperature range is from 0°C to 70°C.
- What is the architecture used in the AD557JPZ-REEL7?
The architecture used is R-2R resistor ladder.
- What are the typical applications of the AD557JPZ-REEL7?
Typical applications include automotive electronics, medical instrumentation, and aerospace and defense.
- What is the power supply requirement for the AD557JPZ-REEL7?
The component requires a 5V analog and digital power supply.
- Does the AD557JPZ-REEL7 have differential output capability?
No, it does not have differential output capability.
- What is the data interface type of the AD557JPZ-REEL7?
The data interface is parallel.
- Is the AD557JPZ-REEL7 monotonic?
Yes, the AD557JPZ-REEL7 ensures monotonic performance.
