Overview
The AD557JPZ-REEL is a digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD557 series, which is known for its high accuracy and reliability in converting digital signals to analog outputs. The AD557JPZ-REEL is packaged in a 20-lead plastic leaded chip carrier (PLCC) and is designed for a wide range of applications requiring precise analog output control.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 8 | Bits | ||
| Relative Accuracy (0°C to 70°C) | ±1/2 | ±1 | LSB | |
| Output Range | 0 | 2.56 | V | |
| Current Source | 5 | mA | ||
| Output Settling Time | 0.8 | 1.5 | µs | |
| Full-Scale Accuracy @ 25°C | ±1.5 | ±2.5 | LSB | |
| Zero Error @ 25°C | ±1 | ±3 | LSB | |
| Digital Input Voltage (Logic “1”) | 2.0 | V | ||
| Digital Input Voltage (Logic “0”) | 0 | 0.8 | V | |
| Input Capacitance | 4 | pF | ||
| VCC to Ground | 0 | 18 | V |
Key Features
- High Accuracy: The AD557JPZ-REEL offers high relative accuracy and full-scale accuracy, making it suitable for applications requiring precise analog output control.
- Fast Settling Time: With an output settling time of 0.8 to 1.5 µs, this DAC ensures rapid response to input changes.
- Digital Input Compatibility: The device supports direct positive-voltage logic interface, simplifying integration with digital systems.
- Control Logic: The AD557JPZ-REEL features data input latches controlled by Chip Enable (CE) and Chip Select (CS) inputs, allowing for flexible operation in various system configurations.
- Monotonicity: Guaranteed monotonicity ensures that the output voltage increases with increasing input code, which is crucial for many applications.
Applications
- Industrial Control Systems: The AD557JPZ-REEL can be used in industrial control systems where precise analog output control is necessary.
- Medical Devices: Its high accuracy and reliability make it suitable for medical devices that require precise analog signals.
- Aerospace and Defense: The component's robust specifications and reliability make it a good fit for aerospace and defense applications.
- Automotive Systems: It can be used in automotive systems that require accurate and reliable analog output control.
Q & A
- What is the resolution of the AD557JPZ-REEL?
The resolution of the AD557JPZ-REEL is 8 bits.
- What is the output range of the AD557JPZ-REEL?
The output range of the AD557JPZ-REEL is 0 to 2.56 V.
- What is the output settling time of the AD557JPZ-REEL?
The output settling time is between 0.8 and 1.5 µs.
- How is the data input controlled in the AD557JPZ-REEL?
The data input is controlled by Chip Enable (CE) and Chip Select (CS) inputs.
- Is the AD557JPZ-REEL monotonic?
Yes, the AD557JPZ-REEL is guaranteed to be monotonic.
- What is the maximum VCC to ground voltage for the AD557JPZ-REEL?
The maximum VCC to ground voltage is 18 V.
- What is the input capacitance of the AD557JPZ-REEL?
The input capacitance is 4 pF.
- What are the logic levels for digital inputs on the AD557JPZ-REEL?
Logic “1” is 2.0 V, and Logic “0” is between 0 and 0.8 V.
- Is the AD557JPZ-REEL still in production?
No, the AD557JPZ-REEL is listed as obsolete and is no longer manufactured.
- What is the package type of the AD557JPZ-REEL?
The package type is a 20-lead plastic leaded chip carrier (PLCC).
