LT1021DCS8-5#PBF

Product Overview

Category

The LT1021DCS8-5#PBF belongs to the category of voltage references.

Use

It is primarily used as a precision reference for various electronic applications.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range

Package

The LT1021DCS8-5#PBF comes in an 8-pin surface mount package (SOIC-8).

Essence

This product serves as a reliable and precise voltage reference for electronic circuits.

Packaging/Quantity

The LT1021DCS8-5#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Output Noise: 2.5μVrms (0.1Hz to 10Hz)
• Operating Temperature Range: -40°C to 125°C
• Supply Voltage Range: 7V to 40V

Detailed Pin Configuration

The LT1021DCS8-5#PBF has the following pin configuration:

```

---

| | --| VOUT |-- --| GND |-- --| TRIM |-- --| ADJ |-- --| NC |-- --| VIN |-- |_______| ```

Functional Features

• High precision voltage reference
• Low temperature coefficient ensures stability over a wide temperature range
• Low output noise for accurate measurements
• Wide supply voltage range allows for versatile applications

Advantages

• Excellent accuracy and stability
• Low temperature coefficient minimizes errors due to temperature variations
• Low output noise ensures precise measurements
• Wide operating temperature range enables use in various environments

Disadvantages

• Relatively higher cost compared to other voltage references
• Limited availability in certain regions

Working Principles

The LT1021DCS8-5#PBF utilizes a bandgap reference circuit to generate a stable and accurate voltage output. It compensates for temperature changes by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LT1021DCS8-5#PBF finds applications in various fields, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Analog-to-digital converters (ADCs)
4. Voltage regulators
5. Industrial control systems

Detailed and Complete Alternative Models

1. LT6657BCS6-5#TRMPBF

   • Output Voltage: 5.0V
   • Initial Accuracy: ±0.025%
   • Temperature Coefficient: 3ppm/°C
   • Output Noise: 0.8μVrms (0.1Hz to 10Hz)

2. MAX6190AESA+

   • Output Voltage: 5.0V
   • Initial Accuracy: ±0.04%
   • Temperature Coefficient: 20ppm/°C
   • Output Noise: 1.5μVrms (0.1Hz to 10Hz)

3. REF5050AIDGKT

   • Output Voltage: 5.0V
   • Initial Accuracy: ±0.05%
   • Temperature Coefficient: 15ppm/°C
   • Output Noise: 2.0μVrms (0.1Hz to 10Hz)

These alternative models provide similar functionality and can be considered as substitutes for the LT1021DCS8-5#PBF.

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