Overview
The ADR4533BRZ-R7 from Analog Devices Inc. is a high-precision, low-power, and low-noise voltage reference. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its exceptional accuracy, temperature stability, and minimal output noise. The ADR4533BRZ-R7 specifically provides a stable 3.3V output voltage, making it ideal for applications requiring high precision and reliability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VOUT | - | 3.300 | - | V |
| Initial Output Voltage Error (B Grade) | VOUT_ERR | - | ±0.02% | 660 µV | % / µV |
| Temperature Coefficient (B Grade) | TCVOUT | - | 2 ppm/°C | - | ppm/°C |
| Quiescent Current | IQ | 700 | 950 | - | µA |
| Low Dropout Voltage | VDO | - | 300 mV | - | mV |
| Output Current Capacity | IL | -10 mA | - | 10 mA | mA |
| Output Voltage Noise (0.1 Hz to 10 Hz) | eNp-p | - | 2.7 µV p-p | - | µV p-p |
| Output Voltage Noise Density at 1 kHz | eN | - | 83.5 nV/√Hz | - | nV/√Hz |
| Operating Temperature Range | TA | -40°C | - | 125°C | °C |
| Package | - | - | - | 8-Lead SOIC | - |
Key Features
- High precision with ±0.02% maximum initial error for B, C, and D grades.
- Excellent temperature stability with a temperature coefficient of 2 ppm/°C for B grade.
- Low output noise, with 2.7 µV p-p from 0.1 Hz to 10 Hz and 83.5 nV/√Hz at 1 kHz.
- Low quiescent current of 950 µA and low dropout voltage of 300 mV.
- Output current capacity of ±10 mA.
- Long-term drift of 25 ppm over 1000 hours at 60°C.
- Available in an 8-lead SOIC package.
- Operates over an extended industrial temperature range of -40°C to +125°C.
Applications
- Precision data acquisition systems.
- High resolution data converters.
- High precision measurement devices.
- Industrial instrumentation.
- Medical devices.
- Automotive battery monitoring.
- Portable equipment due to low power consumption and low dropout voltage.
Q & A
- What is the output voltage of the ADR4533BRZ-R7?
The output voltage of the ADR4533BRZ-R7 is 3.3V.
- What is the maximum initial output voltage error for the B grade of the ADR4533BRZ-R7?
The maximum initial output voltage error for the B grade is ±0.02% or 660 µV.
- What is the temperature coefficient of the ADR4533BRZ-R7 for the B grade?
The temperature coefficient for the B grade is 2 ppm/°C.
- What is the quiescent current of the ADR4533BRZ-R7?
The quiescent current is 950 µA maximum.
- What is the low dropout voltage of the ADR4533BRZ-R7?
The low dropout voltage is 300 mV.
- What is the output current capacity of the ADR4533BRZ-R7?
The output current capacity is ±10 mA.
- What is the operating temperature range of the ADR4533BRZ-R7?
The operating temperature range is -40°C to +125°C.
- In what package is the ADR4533BRZ-R7 available?
The ADR4533BRZ-R7 is available in an 8-lead SOIC package.
- What are some typical applications of the ADR4533BRZ-R7?
Typical applications include precision data acquisition systems, high resolution data converters, industrial instrumentation, medical devices, and automotive battery monitoring.
- How does the ADR4533BRZ-R7 perform in terms of long-term drift?
The long-term drift is 25 ppm over 1000 hours at 60°C.
