Overview
The LT1461DHS8-5#TRPBF is a low dropout micropower band-gap reference voltage regulator produced by Analog Devices Inc. This component is part of the LT1461 family, known for its high accuracy, low drift, and low supply current. It is designed to provide a stable output voltage with minimal variation over a wide range of operating conditions.
The LT1461DHS8-5#TRPBF is particularly suited for precision applications where high stability and low noise are critical. It operates over a temperature range of –40°C to 125°C, making it versatile for various environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Voltage | 4.96 | 5.0 | 5.04 | V |
| Output Voltage Temperature Coefficient | 12 | 20 | ppm/°C | |
| Line Regulation (VIN = VOUT + 0.5V to 20V) | 15 | 50 | ppm/V | |
| Load Regulation (0 to 50mA) | 12 | 30 | ppm/mA | |
| Dropout Voltage (IOUT = 50mA) | 1.5 | V | ||
| Supply Current | 120 | μA | ||
| Operating Temperature Range | –40 | 125 | °C | |
| Package Type | 8-Lead SOIC (Narrow 0.15 Inch) |
Key Features
- High Accuracy: The LT1461DHS8-5#TRPBF offers high output voltage accuracy with a maximum deviation of ±0.04% to ±0.15% depending on the grade.
- Low Drift: It features a low temperature coefficient, ensuring minimal output voltage change over the operating temperature range.
- Low Supply Current: The device operates with a low supply current of typically 120 μA, making it suitable for power-sensitive applications.
- Low Dropout Voltage: The dropout voltage is as low as 1.5 V at 50 mA output current, ensuring efficient operation.
- Wide Operating Temperature Range: The component is functional over a temperature range of –40°C to 125°C, making it versatile for various environments).
- ESD Protection: The device includes extensive internal ESD protection, though proper handling precautions are still recommended.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and stability, such as precision voltage sources, calibration circuits, and measurement instruments).
- Automotive Systems: Suitable for automotive applications due to its wide operating temperature range and high reliability).
- Industrial Control Systems: Used in industrial control systems where stable reference voltages are crucial for accurate measurements and control).
- Medical Devices: Applicable in medical devices that require precise voltage references for diagnostic and therapeutic equipment).
Q & A
- What is the output voltage of the LT1461DHS8-5#TRPBF?
The output voltage of the LT1461DHS8-5#TRPBF is 5.0 V with a tolerance of ±0.04% to ±0.15% depending on the grade).
- What is the operating temperature range of the LT1461DHS8-5#TRPBF?
The operating temperature range is –40°C to 125°C).
- What is the typical supply current of the LT1461DHS8-5#TRPBF?
The typical supply current is 120 μA).
- What is the dropout voltage of the LT1461DHS8-5#TRPBF at 50 mA output current?
The dropout voltage is approximately 1.5 V at 50 mA output current).
- Does the LT1461DHS8-5#TRPBF have ESD protection?
Yes, the device includes extensive internal ESD protection, but proper handling precautions are still recommended.
- What package type is the LT1461DHS8-5#TRPBF available in?
The component is available in an 8-Lead SOIC (Narrow 0.15 Inch) package).
- Is the LT1461DHS8-5#TRPBF suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide operating temperature range and high reliability).
- What are some common applications of the LT1461DHS8-5#TRPBF?
Common applications include precision instrumentation, industrial control systems, medical devices, and automotive systems).
- How accurate is the output voltage of the LT1461DHS8-5#TRPBF?
The output voltage accuracy is ±0.04% to ±0.15% depending on the grade).
- What is the temperature coefficient of the LT1461DHS8-5#TRPBF?
The temperature coefficient is typically 12 ppm/°C to 20 ppm/°C).
