REF192FSZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low temperature coefficient
• Package: SOT-23-5
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Available in tape and reel packaging, 3000 units per reel

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Supply Voltage Range: 2.7V to 30V
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF192FSZ is a 5-pin IC with the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. VIN: Input Voltage
5. VDD: Supply Voltage

Functional Features

• High Precision: The REF192FSZ provides a highly accurate output voltage of 1.2V with an initial accuracy of ±0.1%.
• Low Dropout Voltage: With a dropout voltage of only 200mV, this voltage reference can operate efficiently even with low input voltages.
• Low Temperature Coefficient: The temperature coefficient of 10ppm/°C ensures minimal variation in the output voltage over a wide temperature range.
• Wide Supply Voltage Range: The REF192FSZ can operate within a supply voltage range of 2.7V to 30V, making it suitable for various applications.
• Low Quiescent Current: With a quiescent current of only 60µA, this IC minimizes power consumption.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low dropout voltage - Wide supply voltage range - Low temperature coefficient - Low quiescent current

Disadvantages: - Limited output voltage options (fixed at 1.2V) - Not suitable for applications requiring higher output voltages

Working Principles

The REF192FSZ is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable reference voltage. The internal circuitry compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The REF192FSZ is commonly used in various electronic applications that require a stable and accurate voltage reference. Some typical application fields include:

1. Precision Instrumentation: Used as a reference voltage source in high-precision measurement devices such as multimeters and oscilloscopes.
2. Analog-to-Digital Converters (ADCs): Provides a precise reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Voltage Regulators: Used as a reference voltage for voltage regulators, maintaining a stable output voltage.
4. Sensor Interfaces: Provides a stable reference voltage for sensor interfaces, enhancing measurement accuracy.

Detailed and Complete Alternative Models

1. REF193FSZ: Similar to REF192FSZ but with an output voltage of 2.5V.
2. REF194FSZ: Similar to REF192FSZ but with an output voltage of 4.096V.
3. REF195FSZ: Similar to REF192FSZ but with an output voltage of 5V.

These alternative models offer different output voltage options while maintaining similar characteristics and package types.

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