Overview
The TL431BIDR2G is a programmable precision shunt voltage reference integrated circuit manufactured by onsemi. This device is part of the TL431 series and is known for its high accuracy and versatility. It operates as a low temperature coefficient zener diode that can be programmed from 2.495V to 36V using two external resistors. The TL431BIDR2G is suitable for a wide range of applications, including digital voltmeters, power supplies, and op-amp circuitry, due to its stable reference voltage and low dynamic impedance.
Key Specifications
| Attribute | Value |
|---|---|
| Shunt Type | Shunt |
| Output Type | Adjustable |
| Accuracy | ±0.4% @ 25°C |
| Reference Voltage | 2.495V |
| Output Voltage Range | 2.48V to 36V |
| Output Impedance | 0.3Ω (typical dynamic impedance: 0.22Ω) |
| Cathode Current | 1mA to 100mA |
| Power Dissipation | 0.7W |
| Operating Temperature Range | -40°C to +85°C |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| Dimensions | 5mm x 4mm x 1.5mm |
| Lead Free | Yes |
| RoHS Compliant | Yes |
Key Features
- Programmable Output Voltage to 36V
- Voltage Reference Tolerance: ±0.4% @ 25°C
- Low Dynamic Output Impedance, 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 Full Rated Operating Temperature Range
- Low Output Noise Voltage
- Pb-Free Packages are Available
Applications
The TL431BIDR2G is widely used in various applications due to its precision and versatility. Some of the key applications include:
- Digital Voltmeters: Provides a stable reference voltage for accurate measurements.
- Power Supplies: Used for voltage regulation and stabilization.
- Op-Amp Circuitry: Acts as a precision voltage reference in operational amplifier circuits.
- Automotive Systems: Suitable for automotive applications due to its robust operating temperature range and reliability.
Q & A
- What is the reference voltage of the TL431BIDR2G?
The reference voltage of the TL431BIDR2G is 2.495V.
- What is the output voltage range of the TL431BIDR2G?
The output voltage range of the TL431BIDR2G is from 2.48V to 36V.
- What is the maximum output current of the TL431BIDR2G?
The maximum output current of the TL431BIDR2G is 100mA.
- What is the operating temperature range of the TL431BIDR2G?
The operating temperature range of the TL431BIDR2G is -40°C to +85°C.
- What package style does the TL431BIDR2G come in?
The TL431BIDR2G comes in an SOIC-8 package.
- Is the TL431BIDR2G RoHS compliant?
Yes, the TL431BIDR2G is RoHS compliant.
- What is the typical dynamic impedance of the TL431BIDR2G?
The typical dynamic impedance of the TL431BIDR2G is 0.22 Ω.
- Can the TL431BIDR2G be used as a positive or negative voltage reference?
Yes, the TL431BIDR2G can be used as either a positive or negative voltage reference.
- What is the power dissipation of the TL431BIDR2G?
The power dissipation of the TL431BIDR2G is 0.7W.
- Is the TL431BIDR2G lead-free?
Yes, the TL431BIDR2G is lead-free.
