LT1790BIS6-4.096#TRMPBF

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Low Output Noise - Wide Operating Temperature Range

Package: SOT-23-6

Essence: The LT1790BIS6-4.096#TRMPBF is a precision voltage reference IC that provides a stable and accurate output voltage of 4.096V.

Packaging/Quantity: This product is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 4.096V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +125°C
• Output Noise: 5µV RMS (10Hz to 100kHz)
• Quiescent Current: 80µA

Pin Configuration

The LT1790BIS6-4.096#TRMPBF has a total of six pins arranged as follows:

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| | --| VOUT | --| GND | --| NC | --| TRIM | --| VIN | |___________| ```

Functional Features

1. High Accuracy: The LT1790BIS6-4.096#TRMPBF offers excellent initial accuracy of ±0.05%, ensuring precise voltage references in various applications.
2. Low Dropout Voltage: With a dropout voltage of only 300mV, this IC can operate efficiently even when the input voltage is close to the desired output voltage.
3. Low Temperature Coefficient: The temperature coefficient of 10ppm/°C ensures minimal voltage drift over a wide range of operating temperatures.
4. Low Output Noise: The IC provides a low output noise level of 5µV RMS, making it suitable for applications that require high precision and low noise performance.
5. Wide Operating Temperature Range: The LT1790BIS6-4.096#TRMPBF can operate reliably in temperatures ranging from -40°C to +125°C.

Advantages

• High accuracy and stability
• Low dropout voltage allows for efficient operation
• Minimal voltage drift over temperature variations
• Low output noise for precise measurements
• Wide operating temperature range for versatile applications

Disadvantages

• Limited output voltage options (fixed at 4.096V)
• SOT-23-6 package may not be suitable for all applications requiring voltage references

Working Principles

The LT1790BIS6-4.096#TRMPBF utilizes a bandgap reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. These components work together to maintain a consistent voltage reference regardless of changes in ambient temperature.

Detailed Application Field Plans

The LT1790BIS6-4.096#TRMPBF is commonly used in various applications where a precise and stable voltage reference is required. Some potential application fields include:

1. Precision Instrumentation: This IC can be utilized in high-precision measurement equipment such as digital multimeters, oscilloscopes, and data acquisition systems.
2. Analog-to-Digital Converters (ADCs): Voltage references are crucial for accurate ADC conversions. The LT1790BIS6-4.096#TRMPBF can provide a reliable reference voltage for ADCs in applications like sensor interfaces and industrial control systems.
3. Power Management: Voltage references are essential in power management circuits to ensure stable and accurate voltage regulation. This IC can be employed in battery-powered devices, voltage regulators, and power supply modules.

Detailed and Complete Alternative Models

1. LT1790AIS6-4.096#TRMPBF: Similar to the LT1790BIS6-4.096#TRMPBF, this model offers a 4.096V output voltage with high accuracy and low temperature coefficient.
2. LT6657AHMS6-4.096#PBF: This alternative model also provides a 4.096V output voltage and features excellent initial accuracy and low noise performance.
3. MAX6190AESA+: With a 4.096V output voltage, this model offers high accuracy and low dropout voltage, suitable for precision applications.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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