LM4128DMF-3.3/NOPB

Product Overview

Category

The LM4128DMF-3.3/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Low quiescent current

Package

The LM4128DMF-3.3/NOPB comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

This voltage reference is designed to provide a stable and accurate voltage output for precise circuit operation.

Packaging/Quantity

The LM4128DMF-3.3/NOPB is typically available in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 3.3V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4128DMF-3.3/NOPB has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High precision voltage reference
• Stable output voltage over a wide range of operating conditions
• Low power consumption
• Fast start-up time
• Excellent line and load regulation

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes voltage drift with temperature changes.
• Low dropout voltage allows operation in low-power scenarios.
• Small package size enables use in space-constrained designs.

Disadvantages

• Limited output voltage options (only 3.3V in this case).
• Higher cost compared to less precise voltage references.

Working Principles

The LM4128DMF-3.3/NOPB utilizes a bandgap reference circuit to generate a stable voltage output. It compensates for temperature variations and provides a constant voltage reference for other components in the circuit.

Detailed Application Field Plans

The LM4128DMF-3.3/NOPB finds applications in various fields, including:

1. Precision analog circuits
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered applications
6. Medical equipment
7. Automotive electronics

Detailed and Complete Alternative Models

1. LM4040AIM3-3.3/NOPB: 3.3V precision shunt voltage reference
2. LT1461AIS8-3.3/NOPB: 3.3V micropower precision series voltage reference
3. MAX6126AASA33+: 3.3V ultra-low-noise precision voltage reference

These alternative models offer similar functionality and can be considered as substitutes for the LM4128DMF-3.3/NOPB in specific applications.

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