Overview
The ADR435ARM is a high-performance voltage reference IC produced by Analog Devices Inc. It is part of the ADR430/ADR431/ADR433/ADR434/ADR435 family, which features low noise, high accuracy, and low temperature drift performance. This IC utilizes Analog Devices' XFET (extra implanted junction FET) technology to minimize voltage change vs. temperature nonlinearity, making it an ideal choice for precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5.0 V |
| Accuracy | ±6 mV (ADR435A), ±2 mV (ADR435B) |
| Temperature Coefficient | 10 ppm/°C (ADR435A), 3 ppm/°C (ADR435B) |
| Operating Temperature Range | −40°C to +125°C |
| Output Current | Up to +30 mA source, up to −20 mA sink |
| Supply Voltage Range | 7.0 V to 18 V |
| Package Type | 8-lead MSOP, 8-lead narrow SOIC |
| Operating Current | 800 μA |
| Trim Terminal Adjustment | ±0.5% range |
Key Features
- Low noise and high accuracy voltage reference
- XFET technology for minimized temperature drift
- Low supply voltage headroom of 2 V
- High output current capability: up to +30 mA source and −20 mA sink
- Trim terminal for adjusting output voltage over a ±0.5% range
- Extended industrial temperature range: −40°C to +125°C
- Available in 8-lead MSOP and 8-lead narrow SOIC packages
Applications
- Precision data acquisition systems
- High resolution data converters
- Medical instruments
- Industrial process control systems
- Optical control circuits
- Precision instruments
Q & A
- What is the output voltage of the ADR435ARM?
The output voltage of the ADR435ARM is 5.0 V. - What is the temperature coefficient of the ADR435ARM?
The temperature coefficient is 10 ppm/°C for the ADR435A and 3 ppm/°C for the ADR435B. - What is the operating temperature range of the ADR435ARM?
The operating temperature range is −40°C to +125°C. - What is the maximum output current of the ADR435ARM?
The ADR435ARM can source up to +30 mA and sink up to −20 mA. - What package types are available for the ADR435ARM?
The ADR435ARM is available in 8-lead MSOP and 8-lead narrow SOIC packages. - How does the XFET technology benefit the ADR435ARM?
The XFET technology minimizes voltage change vs. temperature nonlinearity, ensuring low noise and high accuracy. - Can the output voltage of the ADR435ARM be adjusted?
Yes, the output voltage can be adjusted over a ±0.5% range using the trim terminal. - What are some typical applications of the ADR435ARM?
Typical applications include precision data acquisition systems, high resolution data converters, medical instruments, industrial process control systems, and precision instruments. - What is the supply voltage range for the ADR435ARM?
The supply voltage range is 7.0 V to 18 V. - How much current does the ADR435ARM consume during operation?
The ADR435ARM consumes 800 μA during operation.
