Texas Instruments

LM385BDR-1-2

The LM385BDR-1-2 is a voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and accurate reference voltage for various electronic circuits. Here's a brief description, features, and applications of the LM385BDR-1-2:

Description:

The LM385BDR-1-2 is a precision, low-temperature coefficient, and low-dropout (LDO) voltage reference IC. It is available in a compact SOT-23 package, making it suitable for space-constrained applications. The device offers excellent stability and accuracy over a wide temperature range and load current conditions.

Features:

1. Output Voltage: The LM385BDR-1-2 provides a fixed output voltage of 2.048V.
2. Low Temperature Coefficient: The device has a low temperature coefficient, ensuring stable output voltage over a wide temperature range (-40°C to +125°C).
3. Low Dropout Voltage: The LM385BDR-1-2 has a low dropout voltage, making it suitable for applications with low input voltages.
4. High Output Current Capability: The IC can supply a maximum output current of 100mA.
5. Small Package: The SOT-23 package is compact and suitable for space-constrained applications.
6. Low Input Voltage Requirement: The device operates with an input voltage range of 2.7V to 36V, making it suitable for a wide range of applications.
7. Precision: The LM385BDR-1-2 offers excellent precision with a typical initial accuracy of ±1% and a long-term drift of ±0.1% per 1000 hours.

Applications:

1. Voltage Regulation: The LM385BDR-1-2 can be used as a stable voltage reference in voltage regulator circuits.
2. Battery Powered Devices: The low dropout voltage and low current consumption make it suitable for battery-powered applications.
3. Analog-to-Digital Converters (ADCs): The stable and accurate reference voltage is ideal for ADC reference applications.
4. Digital-to-Analog Converters (DACs): The IC can also be used as a reference for DACs to ensure accurate output voltage levels.
5. Microcontroller Reference: The LM385BDR-1-2 can provide a stable reference voltage for microcontrollers and other digital circuits.
6. Sensor Circuits: The stable reference voltage is essential for accurate sensor readings in various sensor applications.
7. Audio Equipment: The low noise and high stability of the LM385BDR-1-2 make it suitable for audio equipment, such as amplifiers and preamplifiers.

In summary, the LM385BDR-1-2 is a versatile and precise voltage reference IC that offers a stable output voltage of 2.048V with excellent temperature stability and low dropout voltage. It is suitable for a wide range of applications, including voltage regulation, battery-powered devices, ADCs, DACs, microcontroller references, sensor circuits, and audio equipment.