LM385BXZ/NOPB

Product Overview

Category

The LM385BXZ/NOPB belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating temperature range
• Low power consumption

Package

The LM385BXZ/NOPB is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a reliable and precise voltage reference, ensuring accurate voltage levels in electronic circuits.

Packaging/Quantity

The LM385BXZ/NOPB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Voltage Reference Type: Precision
• Output Voltage: 1.235V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 30V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM385BXZ/NOPB has three pins:

1. Vout: Output voltage pin
2. GND: Ground pin
3. Vin: Input voltage pin

Functional Features

• Precise output voltage regulation
• Low power consumption
• Excellent temperature stability
• Wide supply voltage range
• Short-circuit protection

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Small package size allows for space-saving designs.
• Wide operating temperature range enables usage in various environments.
• Low power consumption reduces energy requirements.

Disadvantages

• Limited output voltage options (only 1.235V).
• Not suitable for applications requiring higher output voltages.

Working Principles

The LM385BXZ/NOPB utilizes a bandgap voltage reference circuit to generate a precise and stable output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor.

Detailed Application Field Plans

The LM385BXZ/NOPB finds applications in various fields, including:

1. Precision analog circuits
2. Voltage regulators
3. Data acquisition systems
4. Battery-powered devices
5. Industrial control systems
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. LM4040CIZ-1.2: 1.2V precision shunt voltage reference
2. LT1004CZ-1.2: 1.2V precision reference with low temperature drift
3. REF102CU: 1.235V precision voltage reference with ultra-low power consumption

These alternative models offer similar functionality and can be considered as substitutes for the LM385BXZ/NOPB.

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