Overview
The NCV431AIDR2G from onsemi is a programmable precision voltage reference integrated circuit. It operates as a three-terminal shunt regulator, offering a wide range of programmable output voltages from 2.5 V to 36 V using two external resistors. This device is particularly useful for applications requiring stable voltage references, such as digital voltmeters, power supplies, and op-amp circuitry. The NCV431AIDR2G is part of the TL431 series and is designed for automotive and other applications that require AEC-Q100 compliance.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reference Input Voltage | Vref | 2.44 - 2.495 - 2.55 | V |
| Voltage Reference Tolerance | - | ±0.4% (Typ @ 25°C) | % |
| Dynamic Output Impedance | ZKA | 0.22 Ω (Typ) | Ω |
| Sink Current Capability | IK | 1.0 mA to 100 mA | mA |
| Temperature Coefficient | - | 50 ppm/°C (Typ) | ppm/°C |
| Cathode to Anode Voltage | VKA | 37 V | V |
| Operating Junction Temperature | TJ | 150 °C | °C |
| Operating Ambient Temperature Range | TA | -40 °C to 125 °C | °C |
| Package Type | - | SOIC-8 | - |
Key Features
- Programmable output voltage from 2.5 V to 36 V using two external resistors.
- Low dynamic output impedance of 0.22 Ω typical.
- Sink current capability of 1.0 mA to 100 mA.
- Equivalent full-range temperature coefficient of 50 ppm/°C typical.
- Temperature compensated for operation over the full rated operating temperature range.
- Low output noise voltage.
- Pb-free packages available.
- AEC-Q100 compliant for automotive and other demanding applications.
Applications
- Digital voltmeters and multimeters.
- Power supplies and voltage regulators.
- Op-amp circuitry and analog systems.
- Automotive electronics requiring AEC-Q100 compliance.
- Industrial control systems and instrumentation.
Q & A
- What is the NCV431AIDR2G used for?
The NCV431AIDR2G is used as a programmable precision voltage reference in various applications, including digital voltmeters, power supplies, and op-amp circuitry.
- What is the programmable output voltage range of the NCV431AIDR2G?
The output voltage can be programmed from 2.5 V to 36 V using two external resistors.
- What is the typical dynamic output impedance of the NCV431AIDR2G?
The typical dynamic output impedance is 0.22 Ω.
- What is the sink current capability of the NCV431AIDR2G?
The sink current capability ranges from 1.0 mA to 100 mA.
- What is the temperature coefficient of the NCV431AIDR2G?
The equivalent full-range temperature coefficient is 50 ppm/°C typical.
- What is the operating temperature range of the NCV431AIDR2G?
The operating ambient temperature range is -40 °C to 125 °C.
- Is the NCV431AIDR2G AEC-Q100 compliant?
- What package type is the NCV431AIDR2G available in?
The NCV431AIDR2G is available in an SOIC-8 package.
- What are some common applications of the NCV431AIDR2G?
- Does the NCV431AIDR2G have low output noise voltage?
