Overview
The LT1790BCS6-2.5#TRPBF is a micropower low dropout series reference from Analog Devices Inc. This component is part of the LT1790 family, which combines high accuracy, low drift, and low power dissipation in a small SOT-23 package. It is designed for applications requiring precise voltage references with minimal power consumption and thermal hysteresis.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Voltage | 2.5V | V |
| Initial Accuracy | 0.05% (Typical) | % |
| Temperature Coefficient | 10 ppm/°C (Typical) | ppm/°C |
| Temperature Range | 0°C to 70°C | °C |
| Supply Current | 60 µA (Max) | µA |
| Dropout Voltage | Minimum Operating Voltage: 2.15V (VIN, ∆VOUT = 0.1%, IOUT = 5mA) | V |
| Package Type | 6-Lead TSOT-23 | |
| Line Regulation | 50 ppm/V (Typical) | ppm/V |
| Load Regulation | 100 ppm/mA (Typical, IOUT Source = 5mA) | ppm/mA |
Key Features
- High accuracy and low drift due to curvature compensation and post-package trimming.
- Low power dissipation with a maximum supply current of 60 µA.
- Low dropout voltage, making it suitable for battery-operated systems.
- Ability to sink and source current, allowing operation as a negative voltage reference.
- Excellent line and load regulation.
- Low thermal hysteresis of 40 ppm (Typical) from –40°C to 85°C.
- Compact 6-Lead TSOT-23 package with a low profile of 1mm.
Applications
- Battery-operated equipment due to its low power consumption and small size.
- Handheld instruments where precise voltage references are necessary.
- Industrial control systems requiring stable voltage references.
- Data acquisition systems where high accuracy is crucial.
- Negative voltage references with the same performance as positive references.
Q & A
- What is the output voltage of the LT1790BCS6-2.5#TRPBF? The output voltage is 2.5V.
- What is the typical initial accuracy of the LT1790BCS6-2.5#TRPBF? The typical initial accuracy is 0.05%.
- What is the temperature coefficient of the LT1790BCS6-2.5#TRPBF? The temperature coefficient is 10 ppm/°C (Typical).
- What is the maximum supply current of the LT1790BCS6-2.5#TRPBF? The maximum supply current is 60 µA.
- Can the LT1790BCS6-2.5#TRPBF operate as a negative voltage reference? Yes, it can operate as a negative voltage reference with the same performance as a positive reference.
- What is the package type of the LT1790BCS6-2.5#TRPBF? The package type is 6-Lead TSOT-23.
- What is the typical line regulation of the LT1790BCS6-2.5#TRPBF? The typical line regulation is 50 ppm/V.
- What is the typical load regulation of the LT1790BCS6-2.5#TRPBF? The typical load regulation is 100 ppm/mA (IOUT Source = 5mA).
- What are some common applications of the LT1790BCS6-2.5#TRPBF? Common applications include battery-operated equipment, handheld instruments, industrial control systems, and data acquisition systems.
- What is the thermal hysteresis of the LT1790BCS6-2.5#TRPBF? The thermal hysteresis is 40 ppm (Typical) from –40°C to 85°C.
