The LM136AH-2.5Q is a precision 2.5V shunt voltage reference from National Semiconductor (now Texas Instruments). It is a two-terminal shunt regulator designed for applications requiring a stable and accurate voltage reference. This device is particularly useful in instrumentation, A/D and D/A conversion, and other precision circuits where a reliable voltage reference is crucial.

Applications:

• Precision Voltage References: Provides a stable voltage source for calibration and testing equipment.
• Analog-to-Digital Converters (ADCs): Used as a reference voltage for ADCs to ensure accurate conversion.
• Digital-to-Analog Converters (DACs): Provides a reference voltage for DACs to generate precise analog outputs.
• Instrumentation Amplifiers: Used as a stable voltage source in instrumentation amplifiers for accurate signal amplification.
• Power Supplies: Improves the stability and accuracy of regulated power supplies.

Features:

• Precision 2.5V Output: Provides a stable and accurate 2.5V reference voltage.
• Low Temperature Coefficient: Maintains stable performance over a wide temperature range.
• Wide Operating Current Range: Operates effectively with varying current levels.
• Low Dynamic Impedance: Ensures stable output voltage with changes in load current.
• Tight Initial Tolerance: Provides a precise voltage reference right out of the box.
• TO-46 Package: Compact package for easy integration into various circuit designs.

Benefits:

• High Accuracy: Provides a highly accurate voltage reference, ensuring precision in applications.
• Stable Performance: Maintains stable voltage output over temperature and load variations.
• Easy to Use: Simple two-terminal configuration simplifies circuit design and implementation.
• Reliable: Designed for long-term stability and reliable performance.
• Cost-Effective: Provides a high-performance voltage reference at a competitive price.

Technical Specifications:

• Nominal Voltage: 2.5V
• Initial Tolerance: ±5%
• Temperature Coefficient: Typically 20 ppm/°C
• Operating Current Range: 400µA to 10mA
• Dynamic Impedance: Typically 1Ω
• Package: TO-46