Overview
The AD561JNZ is a 10-bit monolithic digital-to-analog converter (DAC) produced by Analog Devices Inc. This integrated circuit combines a high-stability voltage reference and a laser-trimmed thin-film SiCr resistor network, ensuring fast and accurate analog output current. The device is known for its excellent long-term stability and low noise characteristics, making it one of the most accurate and stable 10-bit DACs available in the market.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10-bit | |
| Accuracy | ±1/4 LSB (K and T versions), ±1/2 LSB (J and S versions) | |
| Linearity | 0.01% typical | |
| Settling Time | < 250 ns (worst case transition) | ns |
| Reference Voltage | 7.5 V nominal | V |
| Temperature Coefficient | 0 to ±15 ppm/°C | ppm/°C |
| Package Type | 16-pin DIP | |
| Supply Voltage Range | 4.5 V to 15 V | V |
Key Features
- High stability voltage reference using a subsurface zener diode for excellent long-term stability and low noise.
- Laser-trimmed thin-film SiCr resistor network for high accuracy and linearity.
- Temperature compensation circuit to minimize temperature coefficient effects.
- Fast settling time of less than 250 ns for the worst case transition.
- Current-to-voltage conversion facilitated by laser-trimmed output application resistors.
- High impedance digital inputs that assume a '1' state if unconnected.
Applications
- Voltage level setting and control in various systems.
- Programmable voltage and current sources.
- Digital gain and offset adjustment.
- Programmable attenuators.
- Portable battery-powered instruments requiring precise analog output.
Q & A
- What is the resolution of the AD561JNZ DAC?
The AD561JNZ has a 10-bit resolution. - What is the typical accuracy of the AD561JNZ?
The typical accuracy is ±1/4 LSB for K and T versions, and ±1/2 LSB for J and S versions. - What is the settling time of the AD561JNZ?
The settling time is less than 250 ns for the worst case transition. - What type of voltage reference does the AD561JNZ use?
The AD561JNZ uses a subsurface zener diode for its voltage reference. - What is the temperature coefficient of the AD561JNZ?
The temperature coefficient is 0 to ±15 ppm/°C. - What package type is the AD561JNZ available in?
The AD561JNZ is available in a 16-pin DIP package. - What is the supply voltage range for the AD561JNZ?
The supply voltage range is from 4.5 V to 15 V. - How does the AD561JNZ handle unused digital inputs?
Unused digital inputs should be directly connected to ground or VCC to avoid noise pickup. - What are some common applications of the AD561JNZ?
Common applications include voltage level setting, programmable voltage and current sources, digital gain and offset adjustment, and portable battery-powered instruments. - What is the significance of the laser-trimmed resistors in the AD561JNZ?
The laser-trimmed resistors ensure high accuracy and linearity in the analog output, eliminating the need for external trimmers in many situations.
