Overview
The ADR4530BRZ-R7 is a high-precision, low-power, low-noise voltage reference from Analog Devices Inc. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its excellent temperature stability and low output noise. The ADR4530BRZ-R7 provides a fixed output voltage of 3.0V and is designed to operate over an extended industrial temperature range of −40°C to +125°C. It is particularly suited for applications requiring high accuracy and low noise, making it ideal for precision data acquisition systems, high-resolution data converters, and high-precision measurement devices.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | - | - | 3.000 | - | V |
| Initial Output Voltage Error | VOUT_ERR | B Grade | - | - | ±0.02% | % |
| Temperature Coefficient | TCVOUT | B Grade, −40°C ≤ TA ≤ +125°C | - | - | 2 ppm/°C | ppm/°C |
| Input Voltage Range | VIN | - | 3 | - | 15 | V |
| Operating Temperature | TA | - | -40 | - | 125 | °C |
| Output Current | IL | Sourcing/Sinking | -10 | - | 10 | mA |
| Quiescent Current | IQ | - | - | - | 950 | μA |
| Low Dropout Voltage | VDO | IL = 2 mA | - | - | 300 | mV |
| Output Voltage Noise (0.1 Hz to 10 Hz) | eNp-p | - | - | - | 1 μV p-p | μV p-p |
| Package | - | - | - | - | 8-Lead SOIC | - |
Key Features
- High precision with ±0.02% maximum initial error (B, C, and D grades).
- Excellent temperature stability with a temperature coefficient of 2 ppm/°C (B grade).
- Low output noise, less than 1 μV p-p (0.1 Hz to 10 Hz).
- Low quiescent current of 950 μA and low dropout voltage of 300 mV at 2 mA.
- Operating temperature range of −40°C to +125°C.
- Available in an 8-lead SOIC package.
- Low long-term output voltage drift and low thermally induced output voltage hysteresis.
Applications
- Precision data acquisition systems.
- High resolution data converters.
- High precision measurement devices.
- Industrial instrumentation.
- Medical devices.
- Automotive battery monitoring.
Q & A
- What is the output voltage of the ADR4530BRZ-R7?
The output voltage of the ADR4530BRZ-R7 is 3.0V.
- What is the maximum initial output voltage error for the B grade of the ADR4530BRZ-R7?
The maximum initial output voltage error for the B grade is ±0.02%.
- What is the operating temperature range of the ADR4530BRZ-R7?
The operating temperature range is −40°C to +125°C.
- What is the quiescent current of the ADR4530BRZ-R7?
The quiescent current is a maximum of 950 μA.
- What is the low dropout voltage of the ADR4530BRZ-R7 at 2 mA?
The low dropout voltage at 2 mA is 300 mV.
- What is the output noise of the ADR4530BRZ-R7 in the frequency range of 0.1 Hz to 10 Hz?
The output noise is less than 1 μV p-p in the frequency range of 0.1 Hz to 10 Hz.
- In what package is the ADR4530BRZ-R7 available?
The ADR4530BRZ-R7 is available in an 8-lead SOIC package.
- What are some typical applications of the ADR4530BRZ-R7?
Typical applications include precision data acquisition systems, high resolution data converters, high precision measurement devices, industrial instrumentation, medical devices, and automotive battery monitoring.
- What is the temperature coefficient (TCVOUT) of the ADR4530BRZ-R7 for the B grade?
The temperature coefficient (TCVOUT) for the B grade is 2 ppm/°C.
- What is the long-term drift of the ADR4530BRZ-R7?
The long-term drift is typically 25 ppm over 1000 hours at 60°C.
