Overview
The ADR395BUJZ-REEL7 is a precision 5 V band gap voltage reference produced by Analog Devices Inc. This component is part of the ADR39x family, known for its low power consumption, high precision, and compact footprint. The ADR395BUJZ-REEL7 utilizes patented temperature drift curvature correction techniques, ensuring a low temperature drift of 9 ppm/°C in the TSOT package. This voltage reference is designed to provide a stable output voltage with a minimum supply of 300 mV above the output voltage, making it ideal for battery-operated applications due to its low power operation and small size.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Output Voltage | VO | A grade | 4.994 | 5.000 | 5.006 | V |
| B grade | 4.995 | 5.000 | 5.005 | V | ||
| Initial Accuracy | VOERR | A grade | 6 mV | 0.12 % | ||
| B grade | 5 mV | 0.10 % | ||||
| Temperature Coefficient | TCVO | A grade, −40°C < TA < +125°C | 25 ppm/°C | |||
| B grade, −40°C < TA < +125°C | 9 ppm/°C | |||||
| Supply Voltage Headroom | VIN − VO | 300 mV | ||||
| Line Regulation | ΔVO/ΔVIN | VIN = 5.3 V to 15 V, −40°C < TA < +125°C | 10 25 ppm/V | |||
| Load Regulation | ΔVO/ΔILOAD | ILOAD = 0 mA to 5 mA, −40°C < TA < +125°C, VIN = 6 V | 140 ppm/mA | |||
| Quiescent Current | IIN | No load, −40°C < TA < +125°C | 120 μA | |||
| Voltage Noise | en p-p | 0.1 Hz to 10 Hz | 8 μV p-p | |||
| Turn-on Settling Time | tR | 20 μs | ||||
| Long-term Stability | ΔVO | 1000 hours | 50 ppm |
Key Features
- High Precision: The ADR395BUJZ-REEL7 offers high precision with initial accuracy as low as 5 mV (0.10% for B grade) and a temperature coefficient of 9 ppm/°C for B grade.
- Low Power Consumption: This voltage reference operates with a quiescent current of 120 μA, making it suitable for battery-operated applications.
- Compact Footprint: The component is available in a tiny 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.
- Low Dropout Voltage: The ADR395BUJZ-REEL7 can operate with a supply voltage headroom of just 300 mV above the output voltage.
- Low Voltage Noise: The voltage noise is as low as 8 μV p-p from 0.1 Hz to 10 Hz.
- Fast Turn-on Settling Time: The turn-on settling time is 20 μs, ensuring quick stabilization of the output voltage.
Applications
- Battery-Operated Devices: The low power consumption and high precision make it ideal for battery-operated devices such as portable electronics and medical devices.
- Industrial Automation: Suitable for use in industrial automation systems where stable and precise voltage references are required.
- Aerospace and Defense: Its high precision and reliability make it a good choice for aerospace and defense applications.
- Medical Equipment: Used in medical equipment where precise voltage references are critical for accurate measurements and operations.
Q & A
- What is the output voltage of the ADR395BUJZ-REEL7?
The output voltage of the ADR395BUJZ-REEL7 is 5 V.
- What is the temperature coefficient of the ADR395BUJZ-REEL7?
The temperature coefficient is 9 ppm/°C for B grade and 25 ppm/°C for A grade.
- What is the quiescent current of the ADR395BUJZ-REEL7?
The quiescent current is 120 μA at no load and −40°C < TA < +125°C.
- Does the ADR395BUJZ-REEL7 require external capacitors?
No, the ADR395BUJZ-REEL7 does not require external capacitors due to its advanced design.
- What is the supply voltage headroom required for the ADR395BUJZ-REEL7?
The supply voltage headroom is 300 mV above the output voltage.
- What is the turn-on settling time of the ADR395BUJZ-REEL7?
The turn-on settling time is 20 μs.
- What is the long-term stability of the ADR395BUJZ-REEL7?
The long-term stability is 50 ppm over 1000 hours.
- What are the typical applications of the ADR395BUJZ-REEL7?
Typical applications include battery-operated devices, industrial automation, aerospace and defense, and medical equipment.
- What package type is the ADR395BUJZ-REEL7 available in?
The ADR395BUJZ-REEL7 is available in a TSOT package.
- How does the ADR395BUJZ-REEL7 manage temperature drift?
The ADR395BUJZ-REEL7 uses patented temperature drift curvature correction techniques to manage temperature drift).
