Overview
The ADR430BRZ is a part of the ADR430/ADR431/ADR433/ADR434/ADR435 series, a family of XFET® voltage references developed by Analog Devices Inc. These voltage references are renowned for their low noise, high accuracy, and minimal temperature drift performance. The ADR430BRZ specifically provides a stable 2.048V output voltage, making it an ideal component for applications requiring precise voltage referencing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Output Voltage Tolerance (A Grade) | ±1% | |
| Temperature Coefficient (A Grade) | 3 ppm/°C | |
| Output Current Capacity (Source) | 30 mA | |
| Output Current Capacity (Sink) | -20 mA | |
| Quiescent Current (No Load) | 580 - 800 µA | |
| Voltage Noise (0.1 Hz to 10 Hz) | 3.5 µV p-p | |
| Voltage Noise Density at 1 kHz | 80 nV/√Hz | |
| Turn-On Settling Time (CL = 0 µF) | 10 µs | |
| Long-Term Stability (1000 hours) | 40 ppm | |
| Supply Voltage Operating Range | 4.5 - 18 V | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | 8-Lead SOIC |
Key Features
- Low noise performance: 3.5 µV p-p from 0.1 Hz to 10 Hz and 80 nV/√Hz at 1 kHz.
- High accuracy with minimal temperature drift: 3 ppm/°C for A grade.
- No external capacitor required for operation.
- Current sink and source capability: up to 30 mA source and -20 mA sink.
- Trim terminal for adjusting output voltage over a ±0.5% range.
- Low quiescent current: 580 - 800 µA.
- Fast turn-on settling time: 10 µs with CL = 0 µF.
- Long-term stability: 40 ppm over 1000 hours.
- Wide supply voltage operating range: 4.5 V to 18 V.
- Extended industrial temperature range: -40°C to +125°C.
Applications
The ADR430BRZ is suitable for various applications requiring high precision and low noise voltage referencing, such as:
- High-precision measurement and instrumentation systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Industrial control and automation systems.
- Telecommunications and data acquisition systems.
Q & A
- What is the output voltage of the ADR430BRZ?
The output voltage of the ADR430BRZ is 2.048V.
- What is the temperature coefficient of the ADR430BRZ?
The temperature coefficient for the A grade is 3 ppm/°C.
- Does the ADR430BRZ require an external capacitor for operation?
No, the ADR430BRZ does not require an external capacitor for operation.
- What is the maximum output current that the ADR430BRZ can source?
The ADR430BRZ can source up to 30 mA of output current.
- What is the quiescent current of the ADR430BRZ?
The quiescent current of the ADR430BRZ is between 580 µA and 800 µA.
- What is the voltage noise performance of the ADR430BRZ?
The voltage noise performance is 3.5 µV p-p from 0.1 Hz to 10 Hz and 80 nV/√Hz at 1 kHz.
- What is the turn-on settling time of the ADR430BRZ?
The turn-on settling time is 10 µs with CL = 0 µF.
- What is the long-term stability of the ADR430BRZ?
The long-term stability is 40 ppm over 1000 hours.
- What is the operating temperature range of the ADR430BRZ?
The operating temperature range is -40°C to +125°C.
- In what package types is the ADR430BRZ available?
The ADR430BRZ is available in 8-Lead SOIC packages.
