ADR421ARMZ-REEL7

Product Overview

Category

The ADR421ARMZ-REEL7 belongs to the category of integrated circuit (IC) voltage references.

Use

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

Characteristics

• High accuracy: The ADR421ARMZ-REEL7 offers exceptional voltage accuracy, ensuring reliable and precise voltage references.
• Low temperature coefficient: It exhibits a low temperature coefficient, making it suitable for applications requiring stable voltage references over a wide temperature range.
• Low power consumption: This IC voltage reference consumes minimal power, making it energy-efficient.
• Small package size: The ADR421ARMZ-REEL7 is available in a compact package, allowing for easy integration into space-constrained designs.
• Wide operating voltage range: It operates within a wide voltage range, providing flexibility in different applications.

Package and Quantity

The ADR421ARMZ-REEL7 is packaged in a small outline integrated circuit (SOIC) package. It is typically supplied in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 3 ppm/°C
• Supply Voltage Range: 4.5V to 18V
• Quiescent Current: 1.5 mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ADR421ARMZ-REEL7 has the following pin configuration:

```

---

| | --| VOUT | --| GND | --| VIN | |___________| ```

Functional Features

• High precision: The ADR421ARMZ-REEL7 provides a stable and accurate voltage reference, ensuring precise measurements and reliable performance.
• Low noise: It exhibits low output noise, making it suitable for applications that require minimal interference.
• Fast response time: This IC voltage reference offers a fast response time, enabling quick stabilization of the output voltage.
• Low power consumption: It consumes minimal power, making it ideal for battery-powered devices or energy-efficient designs.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Compact package size
• Wide operating voltage range
• Low power consumption

Disadvantages

• Limited output voltage options (fixed at 2.5V)
• Relatively higher cost compared to some other voltage references

Working Principles

The ADR421ARMZ-REEL7 utilizes advanced semiconductor technology to generate a stable and precise voltage reference. It employs internal circuitry to maintain a constant output voltage regardless of changes in input voltage or environmental conditions. The device incorporates temperature compensation techniques to minimize the impact of temperature variations on the output voltage.

Detailed Application Field Plans

The ADR421ARMZ-REEL7 finds application in various fields, including:

1. Precision instrumentation: It is used as a voltage reference in high-precision measurement equipment, such as digital multimeters and oscilloscopes.
2. Analog-to-digital converters (ADCs): The ADR421ARMZ-REEL7 provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Power management systems: It is utilized in power management circuits to provide a stable voltage reference for voltage regulators and control circuits.
4. Sensor calibration: The ADR421ARMZ-REEL7 is employed in sensor calibration circuits to establish a precise reference voltage for accurate sensor readings.

Detailed Alternative Models

1. ADR431ARMZ-REEL7: This model offers similar characteristics and specifications to the ADR421ARMZ-REEL7 but with a different output voltage option of 4.096V.
2. ADR441BRZ: This alternative model provides a higher output voltage of 4.096V and is available in a small outline transistor (SOT) package.
3. ADR4520BRZ: This model offers a lower initial accuracy of ±0.1% but provides a wider operating temperature range of -55°C to +125°C.

These alternative models can be considered based on specific application requirements and desired voltage levels.

In conclusion, the ADR421ARMZ-REEL7 is a high-precision IC voltage reference with excellent accuracy, low temperature coefficient, and low power consumption. Its compact size and wide operating voltage range make it suitable for various electronic applications. However, it has limited output voltage options and may have a relatively higher cost compared to some alternatives.