TSZ121ILT

Product Overview

Category: Integrated Circuit (IC)

Use: TSZ121ILT is a voltage reference IC that provides a stable and accurate voltage output for various electronic applications.

Characteristics: - High precision - Low temperature coefficient - Low power consumption - Wide operating voltage range

Package: The TSZ121ILT is available in a small surface-mount SOT-23 package, which is widely used in compact electronic devices.

Essence: This voltage reference IC ensures a reliable and consistent voltage output, making it suitable for precision measurement and control systems.

Packaging/Quantity: The TSZ121ILT is typically sold in reels containing 3000 units per reel.

Specifications

• Output Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±10ppm/°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TSZ121ILT has three pins:

1. VOUT: Output pin, provides the stable voltage reference.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the supply voltage.

Functional Features

• High Precision: The TSZ121ILT offers excellent accuracy and stability, ensuring precise voltage references for critical applications.
• Low Temperature Coefficient: Its low temperature coefficient minimizes voltage variations with temperature changes, enhancing reliability.
• Low Power Consumption: With a low quiescent current, this IC helps conserve power in battery-operated devices.
• Wide Operating Voltage Range: The TSZ121ILT can operate within a wide range of supply voltages, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Low power consumption - Wide operating voltage range - Small package size for space-constrained designs

Disadvantages: - Limited output voltage range (1.2V to 5.0V) - Relatively higher initial cost compared to standard voltage references

Working Principles

The TSZ121ILT utilizes a bandgap reference circuit to generate a stable voltage output. It compensates for temperature variations by employing a feedback mechanism that adjusts the internal voltage reference accordingly. This ensures a consistent output voltage regardless of temperature changes.

Detailed Application Field Plans

The TSZ121ILT finds applications in various fields, including:

1. Precision Measurement Instruments: Used as a voltage reference in multimeters, oscilloscopes, and other measurement devices.
2. Industrial Control Systems: Provides accurate voltage references for control systems used in manufacturing processes.
3. Communication Equipment: Ensures stable voltage references in telecommunication devices, such as routers and modems.
4. Automotive Electronics: Used in automotive systems requiring precise voltage references, such as engine control units and sensor circuits.

Detailed and Complete Alternative Models

1. LM4040: A popular alternative with similar specifications and performance characteristics.
2. REF3030: Offers a wider output voltage range and lower temperature coefficient than the TSZ121ILT.
3. MAX619: Provides ultra-low power consumption and high accuracy for battery-powered applications.

These alternative models offer comparable functionality and can be considered based on specific requirements and design constraints.

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