Overview
The ADR3412ARJZ-R2 is a micro-power, high-accuracy voltage reference produced by Analog Devices Inc. This component is part of a series of low-cost, low-power, high-precision CMOS voltage references. It features an output voltage of 1.2V with an initial accuracy of ±0.1% and is designed to operate over an industrial temperature range of -40°C to 125°C. The device utilizes Analog Devices’ proprietary DigiTrim® technology to ensure high accuracy and stability. The ADR3412ARJZ-R2 is packaged in a 6-lead SOT-23 package, making it suitable for applications where space is limited and precision is crucial.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | VIN = 2.3 V to 5.5 V, TA = 25°C, ILOAD = 0 mA | 1.1988 | 1.2000 | 1.2012 | V |
| Initial Accuracy | VOERR | VIN = 2.3 V to 5.5 V, TA = 25°C, ILOAD = 0 mA | ±0.1% | ±1.2 mV | ||
| Temperature Coefficient | TCVOUT | -40°C ≤ TA ≤ +125°C | 8 ppm/°C | |||
| Line Regulation | ΔVO/ΔVIN | VIN = 2.3 V to 5.5 V | 7 ppm/V | |||
| Load Regulation | ΔVO/ΔIL | IL = 0 mA to 10 mA, VIN = 2.8 V | 50 ppm/mA | |||
| Operating Supply Current | IIN | VIN = 2.3 V to 5.5 V, TA = 25°C | 100 μA | |||
| Output Voltage Noise | en p-p | f = 0.1 Hz to 10 Hz | 8 μV p-p | |||
| Output Voltage Noise Density | en | f = 1 kHz | 0.6 μV/√Hz | |||
| Long-term Stability | ΔVOUT_LTD | 1000 hours at 50°C | 30 ppm | |||
| Turn-on Settling Time | tR | CIN = 0.1 μF, CL = 0.1 μF, RLoad = 1 kΩ | 100 μs |
Key Features
- High Accuracy: ±0.1% initial accuracy and low temperature coefficient of 8 ppm/°C over the industrial temperature range of -40°C to 125°C.
- Low Power Consumption: Maximum operating current of 100 μA, making it suitable for low-power devices.
- Low Output Noise: Low output voltage noise helps maintain signal integrity in critical signal processing systems.
- Small Package: Available in a 6-lead SOT-23 package, ideal for space-constrained applications.
- Low Output Voltage Hysteresis and Drift: Ensures stability and reliability over time.
- DigiTrim® Technology: Proprietary technology used for digital trimming during final assembly to achieve high accuracy.
Applications
- Audio Equipment: Used in audio systems where precise voltage references are necessary.
- Instrumentation: Suitable for precision measurement instruments requiring stable voltage references.
- Communication Systems: Used in communication systems to ensure signal integrity.
- Industrial Control Systems: Applied in industrial control systems for reliable and precise voltage references.
- Critical Signal Processing Systems: Ideal for systems requiring low noise and high accuracy voltage references.
Q & A
- What is the output voltage of the ADR3412ARJZ-R2?
The output voltage of the ADR3412ARJZ-R2 is 1.2V.
- What is the initial accuracy of the ADR3412ARJZ-R2?
The initial accuracy is ±0.1%.
- What is the operating temperature range of the ADR3412ARJZ-R2?
The operating temperature range is -40°C to 125°C.
- What is the maximum operating current of the ADR3412ARJZ-R2?
The maximum operating current is 100 μA.
- What package type is the ADR3412ARJZ-R2 available in?
The ADR3412ARJZ-R2 is available in a 6-lead SOT-23 package.
- What technology is used for trimming the output voltage of the ADR3412ARJZ-R2?
Analog Devices’ proprietary DigiTrim® technology is used.
- What are the key applications of the ADR3412ARJZ-R2?
Key applications include audio equipment, instrumentation, communication systems, industrial control systems, and critical signal processing systems.
- How does the ADR3412ARJZ-R2 ensure stability and reliability?
The device ensures stability and reliability through low output voltage hysteresis and low long-term output voltage drift.
- What is the output voltage noise of the ADR3412ARJZ-R2?
The output voltage noise is 8 μV p-p from 0.1 Hz to 10 Hz and 28 μV rms from 10 Hz to 10 kHz.
- What is the turn-on settling time of the ADR3412ARJZ-R2?
The turn-on settling time is 100 μs with CIN = 0.1 μF, CL = 0.1 μF, and RLoad = 1 kΩ.
