Overview
The AD587JRZ-REEL is a high-precision 10 V voltage reference IC produced by Analog Devices Inc. This device represents a significant advancement in monolithic voltage references, utilizing a proprietary ion-implanted buried Zener diode and laser wafer trimming of high-stability thin-film resistors. This design ensures outstanding performance at a low cost, making it an ideal choice for various precision reference applications.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 10.000 V ± 5 mV (U grade) |
| Temperature Coefficient | < 5 ppm/°C |
| Operating Temperature Range | −55°C to +125°C (AD587U), 0°C to 70°C (AD587J and AD587K) |
| Output Noise | Very low, typically reduced further with noise-reduction pin |
| Load Regulation (sinking) | ±200 μV/mA (SOIC package) |
| Power Dissipation | 500 mW at 25°C |
| Package Type | 8-lead SOIC, 8-lead CERDIP, 8-lead PDIP |
| Maximum Input Voltage | 36 V |
Key Features
- Laser trimming of both initial accuracy and temperature coefficients for high precision.
- Optional fine trim connection for applications requiring higher precision.
- Industry-standard pinout allowing for instant upgrade of existing systems.
- Very low output noise, further reducible with the noise-reduction pin.
- High stability and low drift due to the buried Zener diode approach.
- Available in various packages including SOIC, CERDIP, and PDIP.
Applications
The AD587JRZ-REEL is recommended for use as a reference in various precision applications, including:
- 8-bit, 10-bit, 12-bit, 14-bit, or 16-bit DACs that require an external precision reference.
- Successive approximation or integrating ADCs with up to 14 bits of accuracy.
- Any system requiring a high-precision voltage reference with low noise and drift.
Q & A
- What is the output voltage of the AD587JRZ-REEL? The output voltage is 10.000 V ± 5 mV (U grade).
- What is the temperature coefficient of the AD587JRZ-REEL? The temperature coefficient is less than 5 ppm/°C.
- What are the operating temperature ranges for different models of the AD587? The AD587U operates from −55°C to +125°C, while the AD587J and AD587K operate from 0°C to 70°C.
- How can the output noise of the AD587JRZ-REEL be reduced? The output noise can be further reduced by using the noise-reduction pin to form a low-pass filter.
- What are the typical applications of the AD587JRZ-REEL? It is used in precision reference applications for DACs, ADCs, and other systems requiring high-precision voltage references.
- What packages are available for the AD587JRZ-REEL? It is available in 8-lead SOIC, 8-lead CERDIP, and 8-lead PDIP packages.
- What is the maximum input voltage for the AD587JRZ-REEL? The maximum input voltage is 36 V.
- How is the AD587JRZ-REEL trimmed for precision? It is laser trimmed for both initial accuracy and temperature coefficients.
- Does the AD587JRZ-REEL require external components for operation? No, it does not require external components; the desired absolute accuracy is achieved by selecting the appropriate device grade.
- What is the power dissipation of the AD587JRZ-REEL at 25°C? The power dissipation is 500 mW at 25°C.
