ADR441TRZ-EP

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - High accuracy - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating range

Package: SOT-23-3

Essence: The ADR441TRZ-EP is a precision voltage reference that provides a stable output voltage with high accuracy and low temperature coefficient. It is commonly used in various electronic devices to ensure precise voltage levels for accurate measurements and reliable operation.

Packaging/Quantity: The ADR441TRZ-EP is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Noise: 4μVp-p
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 120μA

Detailed Pin Configuration

The ADR441TRZ-EP has three pins:

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

Functional Features

• High accuracy: The ADR441TRZ-EP offers excellent initial accuracy of ±0.05%, ensuring precise voltage references.
• Low temperature coefficient: With a temperature coefficient of 10ppm/°C, the ADR441TRZ-EP maintains stability over a wide temperature range.
• Low dropout voltage: The low dropout voltage of 300mV allows the ADR441TRZ-EP to operate efficiently even with low input voltages.
• Low noise: The ADR441TRZ-EP has low output noise of 4μVp-p, minimizing interference in sensitive applications.
• Wide operating range: It can operate within a wide temperature range of -40°C to +125°C and a supply voltage range of 2.7V to 18V.

Advantages and Disadvantages

Advantages: - High accuracy ensures precise voltage references. - Low temperature coefficient maintains stability over a wide temperature range. - Low dropout voltage allows efficient operation with low input voltages. - Low noise minimizes interference in sensitive applications. - Wide operating range provides flexibility in various environments.

Disadvantages: - Limited output voltage options (only 2.5V). - SOT-23-3 package may not be suitable for all applications requiring voltage references.

Working Principles

The ADR441TRZ-EP is based on bandgap reference technology. It utilizes the inherent properties of semiconductor materials to generate a stable reference voltage. By carefully designing the internal circuitry, the ADR441TRZ-EP achieves high accuracy and low temperature coefficient.

Detailed Application Field Plans

The ADR441TRZ-EP finds applications in various fields where precise voltage references are required. Some common application areas include:

1. Precision measurement instruments: The ADR441TRZ-EP ensures accurate voltage levels for precise measurements in devices such as multimeters, oscilloscopes, and data acquisition systems.
2. Analog-to-digital converters (ADCs): It provides a stable reference voltage for ADCs, enabling accurate conversion of analog signals into digital data.
3. Power management systems: The ADR441TRZ-EP is used in power management circuits to maintain stable voltage levels for efficient operation of electronic devices.
4. Sensor interfaces: It is employed in sensor interface circuits to provide accurate reference voltages for reliable sensor readings.

Detailed and Complete Alternative Models

1. ADR431BRZ-EP: This voltage reference offers similar characteristics and performance as the ADR441TRZ-EP but with a different output voltage option of 2.048V.
2. ADR443BRZ-EP: Another alternative model with an output voltage of 4.096V, suitable for applications requiring higher reference voltages.
3. ADR4525BRZ-EP: This voltage reference provides a precise output voltage of 2.5V with ultra-low noise, making it ideal for sensitive applications.

These alternative models offer flexibility in choosing the appropriate voltage reference based on specific application requirements.

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