Overview
The AD680JRZ, produced by Analog Devices Inc., is a bandgap voltage reference that provides a stable 2.5 V output from input voltages ranging between 4.5 V and 36 V. This device is designed for low power and low cost applications, making it ideal for use in hand-held, battery-operated equipment. The AD680JRZ is part of the AD680 family, which is known for its excellent DC characteristics, low noise performance, and high accuracy over a wide temperature range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VO) | 2.490 | 2.500 | 2.510 | V |
| Initial Accuracy (VOERR) | -10 | - | 10 | mV |
| Output Voltage Drift (0°C to 70°C) | - | - | 30 | ppm/°C |
| Output Voltage Drift (-40°C to +85°C) | - | - | 25 | ppm/°C |
| Line Regulation (4.5 V ≤ +VIN ≤ 15 V) | - | - | 40 | μV/V |
| Load Regulation (0 < IOUT < 10 mA) | - | - | 100 | μV/mA |
| Quiescent Current | - | - | 250 | μA |
| Operating Temperature | 0 | - | 70 | °C |
| Package | - | - | 8-Lead SOIC | - |
Key Features
- Low quiescent current at 250 μA max, making it suitable for low power applications.
- Laser trimmed to high accuracy with an initial accuracy of ±10 mV.
- Temperature output pin available on 8-lead packages, allowing it to be configured as a temperature transducer.
- Excellent DC characteristics and noise performance.
- Available in various packages including 8-lead PDIP, 8-lead SOIC, and 3-pin TO-92.
- High stability thin-film resistors for low errors over temperature.
Applications
- Ideal for use as a reference for D/A and A/D converters that require an external precision reference.
- Suitable for low power applications such as hand-held, battery-operated equipment.
- Can be used in circuits requiring a stable voltage reference, such as in analog-to-digital and digital-to-analog converters.
- Useful in temperature measurement applications due to its temperature output pin.
Q & A
- What is the output voltage of the AD680JRZ? The AD680JRZ provides a stable 2.5 V output.
- What is the input voltage range for the AD680JRZ? The input voltage range is between 4.5 V and 36 V.
- What is the quiescent current of the AD680JRZ? The quiescent current is a maximum of 250 μA.
- What are the available packages for the AD680JRZ? The AD680JRZ is available in an 8-lead SOIC package.
- What is the operating temperature range for the AD680JRZ? The operating temperature range is from 0°C to 70°C.
- Does the AD680JRZ have a temperature output pin? Yes, the 8-lead packages of the AD680 family include a temperature output pin.
- What are the key applications of the AD680JRZ? It is ideal for D/A and A/D converters and low power, battery-operated devices.
- How accurate is the AD680JRZ? The initial accuracy is ±10 mV.
- What are the benefits of using the AD680JRZ over standard on-chip references? It offers better performance in terms of DC characteristics and noise.
- Can the AD680JRZ be used as a temperature transducer? Yes, it can be configured as a temperature transducer using the temperature output pin.
