LM385M3X-2.5/NOPB

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage of 2.5V - Low temperature coefficient - Low power consumption

Package: SOT-23

Essence: The LM385M3X-2.5/NOPB is a low voltage precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM385M3X-2.5/NOPB is available in a SOT-23 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

The LM385M3X-2.5/NOPB has the following specifications:

• Output Voltage: 2.5V ± 0.5%
• Temperature Coefficient: 100 ppm/°C (maximum)
• Supply Voltage Range: 1.9V to 5.5V
• Quiescent Current: 120 µA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM385M3X-2.5/NOPB has three pins arranged as follows:

```

---

| | --| |-- |____| | | |__| ```

Pin 1: Vout (Output Voltage) Pin 2: GND (Ground) Pin 3: Vin (Input Voltage)

Functional Features

• Precise Voltage Reference: The LM385M3X-2.5/NOPB provides a stable and accurate output voltage of 2.5V, making it suitable for applications requiring precise voltage references.
• Low Temperature Coefficient: The IC has a low temperature coefficient of 100 ppm/°C, ensuring minimal output voltage variation with temperature changes.
• Low Power Consumption: With a maximum quiescent current of 120 µA, the LM385M3X-2.5/NOPB consumes very little power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low temperature coefficient - Small package size - Low power consumption

Disadvantages: - Limited output voltage options (fixed at 2.5V) - Not suitable for high voltage applications

Working Principles

The LM385M3X-2.5/NOPB is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable reference voltage. The internal circuitry compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The LM385M3X-2.5/NOPB finds applications in various electronic systems that require a precise voltage reference. Some common application fields include:

1. Analog-to-Digital Converters (ADCs): The IC can be used as a reference voltage for ADCs, ensuring accurate conversion of analog signals to digital values.
2. Voltage Regulators: It can serve as a stable reference voltage for voltage regulators, improving their accuracy and stability.
3. Sensor Calibration: The LM385M3X-2.5/NOPB can be employed in sensor calibration circuits to provide a reliable and consistent reference voltage for accurate sensor measurements.
4. Oscillators and Timers: It can be utilized as a reference voltage in oscillator and timer circuits, enabling precise timing and frequency generation.

Detailed and Complete Alternative Models

1. LM4040: This series of voltage reference ICs offers various output voltage options and package sizes, providing flexibility for different applications.
2. LT6654: These precision voltage references offer low temperature coefficient and high accuracy, making them suitable for demanding applications.
3. REF50xx: This family of voltage references provides high precision and low noise performance, ideal for sensitive analog circuits.

These alternative models offer similar functionality to the LM385M3X-2.5/NOPB and can be considered based on specific application requirements.

Word count: 448 words