LM4051AEM3-1.2+T

Product Overview

Category

The LM4051AEM3-1.2+T belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy: The LM4051AEM3-1.2+T provides a highly accurate output voltage.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stable performance across different temperatures.
• Low power consumption: This voltage reference consumes minimal power, making it suitable for battery-powered applications.
• Small package size: The LM4051AEM3-1.2+T is available in a compact SOT-23 package, allowing for space-efficient designs.
• Wide operating range: It operates within a wide voltage range, making it versatile for different applications.

Package and Quantity

The LM4051AEM3-1.2+T is packaged in a SOT-23 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4051AEM3-1.2+T has three pins arranged as follows:

```

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| | --| V+ |-- --| |-- |____| ```

Pin 1: V+ (Input voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output voltage)

Functional Features

• Precision voltage reference: The LM4051AEM3-1.2+T provides a stable and accurate output voltage, ensuring reliable performance in various applications.
• Low power consumption: It consumes minimal power, making it suitable for battery-powered devices and energy-efficient designs.
• Temperature stability: With a low temperature coefficient, this voltage reference maintains its accuracy across different operating temperatures.
• Fast response time: The LM4051AEM3-1.2+T exhibits a fast response time, enabling quick and precise voltage regulation.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low power consumption
• Compact package size
• Wide operating voltage range
• Fast response time

Disadvantages

• Limited output voltage options (fixed at 1.2V)
• Not suitable for applications requiring adjustable output voltage

Working Principles

The LM4051AEM3-1.2+T utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It employs a combination of active and passive components to achieve the desired voltage reference characteristics. By carefully controlling the internal circuitry, it compensates for temperature variations and other factors that may affect the output voltage accuracy.

Detailed Application Field Plans

The LM4051AEM3-1.2+T finds application in various fields, including:

1. Precision measurement instruments: It is used as a voltage reference in multimeters, oscilloscopes, and other precision measurement devices.
2. Analog-to-digital converters (ADCs): This voltage reference ensures accurate conversion of analog signals into digital data.
3. Power management systems: It is employed in voltage regulators and power supplies to maintain stable output voltages.
4. Sensor calibration: The LM4051AEM3-1.2+T is utilized in sensor calibration circuits to provide a reliable reference voltage for accurate sensor readings.
5. Portable electronic devices: It is suitable for battery-powered devices such as smartphones, tablets, and portable audio players, where low power consumption and compact size are crucial.

Detailed and Complete Alternative Models

1. LM4040AEM3-1.2: This voltage reference offers similar characteristics to the LM4051AEM3-1.2+T but with a different pin configuration.
2. LT1236CDE-1.2: A precision voltage reference with adjustable output voltage, providing flexibility in various applications.
3. MAX6126AASA25: This voltage reference offers ultra-low noise performance, making it ideal for sensitive analog circuits.

These alternative models can be considered based on specific application requirements and design constraints.

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