Overview
The ADR4550DEZ-R7 is a high-precision, low-power, and low-noise voltage reference produced by Analog Devices Inc. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its excellent temperature stability and noise performance. The ADR4550DEZ-R7 specifically provides a 5.0V output voltage and is available in an 8-lead LCC (Leadless Chip Carrier) package.
This voltage reference is designed using an innovative core topology that ensures high accuracy and industry-leading temperature stability. It features a maximum initial error of ±0.02% for B, C, and D grades, making it suitable for applications requiring high precision.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.0 | V |
| Maximum Initial Error (B, C, D Grade) | ±0.02% | |
| Temperature Coefficient (TCVOUT) | 0.8 ppm/°C (D grade), 1 ppm/°C (C grade), 2 ppm/°C (B grade), 4 ppm/°C (A grade) | |
| Operating Temperature Range | −40°C to +125°C (A, B grades), 0°C to +70°C (C, D grades) | |
| Input Voltage Range | 3 V to 15 V | |
| Maximum Operating Current | 950 μA | |
| Low Dropout Voltage | 300 mV at 2 mA | |
| Output Noise (0.1 Hz to 10 Hz) | 1 μV p-p | |
| Output Current Capacity | +10 mA source / −10 mA sink | |
| Package Type | 8-lead LCC (Leadless Chip Carrier) |
Key Features
- High precision with ±0.02% maximum initial error for B, C, and D grades.
- Excellent temperature stability with temperature coefficients as low as 0.8 ppm/°C.
- Low output noise, with 1 μV p-p noise from 0.1 Hz to 10 Hz.
- Low power consumption with a maximum operating current of 950 μA.
- Low dropout voltage of 300 mV at 2 mA.
- Low thermally induced output voltage hysteresis and long-term output voltage drift.
- AEC-Q100 qualified for automotive applications (specific models).
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 5.0V.
- What are the temperature ranges for the ADR4550DEZ-R7?
The temperature ranges are −40°C to +125°C for A and B grades, and 0°C to +70°C for C and D grades.
- What is the maximum initial error for the B, C, and D grades of the ADR4550DEZ-R7?
The maximum initial error is ±0.02% for B, C, and D grades.
- What is the maximum operating current of the ADR4550DEZ-R7?
The maximum operating current is 950 μA.
- What is the low dropout voltage of the ADR4550DEZ-R7?
The low dropout voltage is 300 mV at 2 mA.
- What is the output noise of the ADR4550DEZ-R7 from 0.1 Hz to 10 Hz?
The output noise is 1 μV p-p from 0.1 Hz to 10 Hz.
- What are the 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 package type is the ADR4550DEZ-R7 available in?
The ADR4550DEZ-R7 is available in an 8-lead LCC (Leadless Chip Carrier) package.
- Is the ADR4550DEZ-R7 qualified for automotive applications?
Specific models like the ADR4525W are AEC-Q100 qualified for automotive applications, but the ADR4550DEZ-R7 itself is not specifically mentioned as automotive qualified.
- What is the input voltage range for the ADR4550DEZ-R7?
The input voltage range is from 3 V to 15 V.
