Overview
The ADR392AUJZ-R2 is a precision voltage reference IC produced by Analog Devices Inc. It is part of the ADR39x family, which includes the ADR390, ADR391, ADR392, and ADR395 models. The ADR392 specifically provides a stable output voltage of 4.096 V. This micropower, low noise precision voltage reference is designed for high accuracy and low temperature drift, making it ideal for various applications, especially in battery-operated devices.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VO) | A grade | 4.090 | 4.096 | 4.102 | V |
| Output Voltage (VO) | B grade | 4.091 | 4.096 | 4.101 | V |
| Initial Accuracy (VOERR) | A grade | 6 mV | 0.15 % | ||
| Initial Accuracy (VOERR) | B grade | 5 mV | 0.12 % | ||
| Temperature Coefficient (TCVO) | A grade, -40°C < TA < +125°C | 25 ppm/°C | |||
| Temperature Coefficient (TCVO) | B grade, -40°C < TA < +125°C | 9 ppm/°C | |||
| Supply Voltage Headroom (VIN - VO) | 300 mV | ||||
| Line Regulation (∆VO/∆VIN) | VIN = 4.3 V to 15 V, -40°C < TA < +125°C | 10 ppm/V | 25 ppm/V | ||
| Load Regulation (∆VO/∆ILOAD) | ILOAD = 0 mA to 5 mA, -40°C < TA < +125°C, VIN = 3 V | 60 ppm/mA | 140 ppm/mA | ||
| Minimum Operating Temperature (TA) | -40°C | ||||
| Maximum Operating Temperature (TA) | +125°C | ||||
| Package | 5-Lead TSOT |
Key Features
- High Precision: The ADR392 offers high precision with an initial accuracy of ±6 mV (A grade) and ±5 mV (B grade), and a temperature coefficient of 25 ppm/°C (A grade) and 9 ppm/°C (B grade).
- Low Power Operation: It operates with low power consumption, making it suitable for battery-operated applications.
- Compact Package: The component is available in a compact 5-lead TSOT package, reducing board space and system cost.
- No External Capacitors Required: The advanced design eliminates the need for external capacitors, further reducing system complexity and cost.
- Shutdown Feature: The ADR392 includes a shutdown feature, which can be useful in power management applications.
Applications
The ADR392 is ideally suited for a variety of applications, including:
- Battery-Operated Devices: Due to its low power operation, it is particularly suitable for battery-operated devices where power efficiency is crucial.
- Precision Measurement Systems: Its high accuracy and low temperature drift make it a good choice for precision measurement systems.
- Portable Electronics: The compact size and low power consumption make it a good fit for portable electronics.
- Industrial Automation: It can be used in industrial automation where stable and precise voltage references are required.
Q & A
- What is the output voltage of the ADR392?
The ADR392 provides a stable output voltage of 4.096 V.
- What is the temperature coefficient of the ADR392?
The temperature coefficient is 25 ppm/°C for A grade and 9 ppm/°C for B grade.
- What is the minimum supply voltage headroom required for the ADR392?
The minimum supply voltage headroom is 300 mV above the output voltage.
- Does the ADR392 require external capacitors?
No, the ADR392 does not require external capacitors due to its advanced design.
- What is the maximum operating temperature of the ADR392?
The maximum operating temperature is +125°C.
- What package type is the ADR392 available in?
The ADR392 is available in a 5-lead TSOT package.
- Is the ADR392 suitable for battery-operated devices?
Yes, it is highly suitable due to its low power operation and high precision.
- What is the load regulation of the ADR392?
The load regulation is 60 ppm/mA to 140 ppm/mA depending on the temperature range and load conditions.
- Does the ADR392 have a shutdown feature?
Yes, the ADR392 includes a shutdown feature for power management.
- What are the typical applications of the ADR392?
Typical applications include battery-operated devices, precision measurement systems, portable electronics, and industrial automation.
