Overview
The ADR3433ARJZ-R7 is a high-precision, low-power voltage reference IC produced by Analog Devices Inc. This device is part of the ADR34xx series, known for its low cost, high accuracy, and minimal power consumption. The ADR3433ARJZ-R7 is specifically designed to provide a stable 3.3V output voltage with an initial accuracy of ±0.1%. It is packaged in a compact 6-lead SOT-23 package, making it suitable for a wide range of applications where space and power efficiency are critical.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (VOUT) | VIN = 3.5 V to 5.5 V, IL = 0 mA, TA = 25°C | 3.2967 | 3.30 | 3.3033 | V |
| Initial Accuracy (VOERR) | VIN = 3.5 V to 5.5 V, IL = 0 mA, TA = 25°C | ±0.1% | ±3.3 mV | ||
| Temperature Coefficient | 8 ppm/°C | ||||
| Operating Temperature Range | -40°C | +125°C | |||
| Output Current | 10 mA | ||||
| Output Voltage Noise (en p-p) | f = 0.1 Hz to 10 Hz | 25 μV | |||
| Output Voltage Noise (en p-p) | f = 10 Hz to 10 kHz | 46 μV rms | |||
| Output Voltage Noise Density (en) | f = 1 kHz | 1.2 μV/√Hz | |||
| Ripple Rejection Ratio (RRR) | fIN = 60 Hz | -60 dB | |||
| 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 | 800 μs |
Key Features
- High Precision: The ADR3433ARJZ-R7 features an initial accuracy of ±0.1% and a temperature coefficient of 8 ppm/°C, ensuring stable output voltage across a wide temperature range.
- Low Power Consumption: With a maximum operating current of 100 μA, this device is ideal for low-power applications.
- Low Output Noise: The device exhibits low output voltage noise, which is crucial for maintaining signal integrity in critical signal processing systems.
- Compact Packaging: The 6-lead SOT-23 package makes it suitable for space-constrained designs.
- Wide Operating Temperature Range: The device operates from -40°C to +125°C, making it versatile for various environmental conditions.
- Low Output Voltage Hysteresis and Long-term Stability: Ensures minimal drift in output voltage over time and temperature cycles.
Applications
- Industrial Automation: Used in control systems, sensors, and other precision measurement instruments.
- Medical Devices: Suitable for medical equipment requiring high accuracy and low noise voltage references.
- Aerospace and Defense: Ideal for applications where reliability and precision are critical.
- Consumer Electronics: Used in various consumer devices that require stable and accurate voltage references.
- Automotive Systems: Applicable in automotive electronics that demand high precision and reliability.
Q & A
- What is the output voltage of the ADR3433ARJZ-R7?
The output voltage of the ADR3433ARJZ-R7 is 3.3V with an initial accuracy of ±0.1%.
- What is the temperature coefficient of the ADR3433ARJZ-R7?
The temperature coefficient is 8 ppm/°C.
- What is the operating temperature range of the ADR3433ARJZ-R7?
The device operates from -40°C to +125°C.
- What is the maximum output current of the ADR3433ARJZ-R7?
The maximum output current is 10 mA.
- What is the package type of the ADR3433ARJZ-R7?
The device is packaged in a 6-lead SOT-23 package).
- What is the ripple rejection ratio of the ADR3433ARJZ-R7?
The ripple rejection ratio is -60 dB at 60 Hz).
- How does the ADR3433ARJZ-R7 ensure long-term stability?
The device features low long-term output voltage drift, with a stability of 30 ppm over 1000 hours at 50°C).
- What is the turn-on settling time of the ADR3433ARJZ-R7?
The turn-on settling time is approximately 800 μs with CIN = 0.1 μF, CL = 0.1 μF, and RLoad = 1 kΩ).
- What are some typical applications of the ADR3433ARJZ-R7?
Typical applications include industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems).
- How does the ADR3433ARJZ-R7 manage output voltage noise?
The device exhibits low output voltage noise, with 25 μV p-p from 0.1 Hz to 10 Hz and 46 μV rms from 10 Hz to 10 kHz).
