Overview
The ADR4550DEZ-R7, produced by Analog Devices Inc., is a high-precision, ultra-low-noise voltage reference designed for a wide range of applications. This component is part of the ADR4550 series and is known for its exceptional stability and noise rejection, making it ideal for precision measurement and control systems. It operates within an input voltage range of 3V to 15V, has a supply current of 950 μA, and is available in an 8-lead LCC package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VOUT) | 5.0 | V |
| Initial Output Voltage Error | ±0.02% (B, C, D grade) | % |
| Temperature Coefficient (TCVOUT) | 0.8 ppm/°C (D grade 0°C to 70°C), 1 ppm/°C (C grade 0°C to 70°C), 2 ppm/°C (B grade −40°C to +125°C), 4 ppm/°C (A grade −40°C to +125°C) | ppm/°C |
| Output Noise (0.1 Hz to 10 Hz) | 1 μV p-p at VOUT of 2.048 V typical | μV p-p |
| Input Voltage Range | 3 V to 15 V | V |
| Operating Temperature Range | 0°C to 70°C (C and D grade), −40°C to +125°C (A and B grade) | °C |
| Supply Current | 950 μA (maximum) | μA |
| Low Dropout Voltage | 300 mV at 2 mA (VOUT ≥ 3 V) | mV |
| Package/Case | 8-lead LCC |
Key Features
- Ultra-low noise and high accuracy, making it suitable for demanding applications.
- Excellent temperature stability with temperature coefficients as low as 0.8 ppm/°C.
- Low output noise of 1 μV p-p at VOUT of 2.048 V typical.
- Initial output voltage error of ±0.02% for B, C, and D grades.
- Low quiescent current of 950 μA and low dropout voltage of 300 mV.
- AEC-Q100 qualified for automotive applications.
- Available in 8-lead LCC package.
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 ADR4550DEZ-R7?
The output voltage of the ADR4550DEZ-R7 is 5.0 V.
- What is the initial output voltage error for the B, C, and D grades?
The initial output voltage error for the B, C, and D grades is ±0.02%.
- What is the temperature coefficient (TCVOUT) for the D grade?
The temperature coefficient (TCVOUT) for the D grade is 0.8 ppm/°C from 0°C to 70°C.
- What is the input voltage range for the ADR4550DEZ-R7?
The input voltage range is from 3 V to 15 V.
- What is the maximum supply current of the ADR4550DEZ-R7?
The maximum supply current is 950 μA.
- In what package is the ADR4550DEZ-R7 available?
The ADR4550DEZ-R7 is available in an 8-lead LCC package.
- Is the ADR4550DEZ-R7 qualified for automotive applications?
Yes, the ADR4550DEZ-R7 is AEC-Q100 qualified for automotive applications.
- What are some typical applications of the ADR4550DEZ-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 low dropout voltage of the ADR4550DEZ-R7?
The low dropout voltage is 300 mV at 2 mA (VOUT ≥ 3 V).
- What is the output noise of the ADR4550DEZ-R7?
The output noise is 1 μV p-p at VOUT of 2.048 V typical.
