Overview
The AD680JR, produced by Analog Devices Inc., is a bandgap voltage reference integrated circuit designed to provide a stable 2.5 V output voltage from input voltages ranging between 4.5 V and 36 V. This device is known for its low power consumption, high accuracy, and low noise characteristics, making it suitable for a variety of precision applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage, VO | 2.490 | 2.500 | 2.510 | V |
| Initial Accuracy, VOERR | -10 | - | 10 | mV |
| Temperature Coefficient (0°C to 70°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 |
| Noise (0.1 Hz to 10 Hz) | - | - | 10 | μV p-p |
| Operating Temperature | 0 | - | 70 | °C |
| Package Type | - | - | 8-Lead SOIC | - |
Key Features
- Low Quiescent Current: The AD680JR operates with a maximum quiescent current of 250 μA, making it suitable for low power applications.
- High Accuracy: The device offers high initial accuracy with a maximum error of ±10 mV and a temperature coefficient of 25 ppm/°C.
- Low Noise: It features low noise characteristics, with 10 μV p-p noise from 0.1 Hz to 10 Hz.
- Temperature Output Pin: The 8-pin package versions include a temperature output pin that allows the AD680 to be configured as a temperature transducer.
- Wide Input Voltage Range: The AD680JR can operate with input voltages between 4.5 V and 36 V.
Applications
The AD680JR is ideal for various precision applications, including:
- D/A and A/D converters that require an external precision reference.
- Low power applications such as hand-held battery equipment.
- Systems requiring stable voltage references with low noise and high accuracy.
- Temperature measurement and monitoring systems due to its temperature output capability.
Q & A
- What is the output voltage of the AD680JR? The AD680JR provides a stable 2.5 V output voltage.
- What is the input voltage range for the AD680JR? The input voltage range is between 4.5 V and 36 V.
- What is the maximum quiescent current of the AD680JR? The maximum quiescent current is 250 μA.
- What is the temperature coefficient of the AD680JR? The temperature coefficient is 25 ppm/°C for the 0°C to 70°C range.
- What package types are available for the AD680JR? The AD680JR is available in an 8-Lead SOIC package.
- Does the AD680JR have a temperature output pin? Yes, the 8-pin package versions include a temperature output pin.
- What are the noise characteristics of the AD680JR? The device has 10 μV p-p noise from 0.1 Hz to 10 Hz.
- What are some typical applications of the AD680JR? Typical applications include D/A and A/D converters, low power battery equipment, and temperature measurement systems.
- How accurate is the AD680JR? The AD680JR has an initial accuracy of ±10 mV.
- What is the operating temperature range for the AD680JR? The operating temperature range is from 0°C to 70°C.
