Overview
The LM4041BIDBZT is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed to provide a stable output voltage with high accuracy and low temperature coefficient, making it suitable for a variety of applications requiring precise voltage referencing.
The LM4041 series offers both fixed and adjustable output voltage options, with the LM4041BIDBZT specifically providing an adjustable output from 1.225V to 10V. It is known for its ultra-low operating current and high precision, which are critical in many modern electronic systems.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | 1.225 | - | ±0.2% (LM4041B) | V |
| Continuous Cathode Current | -10 | - | 25 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| Temperature Coefficient | - | - | 100 ppm/°C | - |
| Package Thermal Impedance (θJA) | - | - | 156 °C/W (SOT-23) | - |
| Operating Current | - | 40 µA @ 25°C | - | - |
Key Features
- High Precision: Initial accuracy of ±0.1% @ 25°C, with options for ±0.2%, ±0.5%, and ±1% accuracy.
- Adjustable Output Voltage: Output voltage adjustable from 1.225V to 10V.
- Low Operating Current: Ultra-low operating current of 40 µA at 25°C.
- Low Temperature Coefficient: Maximum temperature coefficient of 100 ppm/°C.
- Stable with Capacitive Loads: Stable operation even with capacitive loads.
- Wide Temperature Range: Available in industrial (-40°C to +85°C) and extended (-40°C to +125°C) temperature ranges.
- Compact Packaging: Available in SOT23-3L and SOT323-5L surface mount packages.
Applications
- Computers: Used in voltage regulation and reference circuits within computer systems.
- Battery Chargers: Provides stable voltage references for battery charging applications.
- Switch Mode Power Supplies: Used for precise voltage regulation in switch-mode power supplies.
- Battery Operated Equipment: Suitable for battery-powered devices requiring low power consumption and high precision voltage references.
- Data Acquisition Systems: Used in data acquisition systems for precise voltage referencing.
- Energy Management: Applied in energy management systems for accurate voltage monitoring and control.
- Instrumentation: Used in various instrumentation applications requiring stable and precise voltage references.
Q & A
- What is the typical output voltage of the LM4041BIDBZT?
The typical output voltage of the LM4041BIDBZT is 1.225V, but it is adjustable up to 10V.
- What is the operating current of the LM4041BIDBZT at 25°C?
The operating current is typically 40 µA at 25°C).
- What is the temperature coefficient of the LM4041BIDBZT?
The maximum temperature coefficient is 100 ppm/°C).
- What are the available temperature ranges for the LM4041BIDBZT?
The LM4041BIDBZT is available in industrial (-40°C to +85°C) and extended (-40°C to +125°C) temperature ranges).
- What packages are available for the LM4041BIDBZT?
The LM4041BIDBZT is available in SOT23-3L and SOT323-5L surface mount packages).
- What is the maximum continuous cathode current for the LM4041BIDBZT?
The maximum continuous cathode current is 25 mA).
- What is the storage temperature range for the LM4041BIDBZT?
The storage temperature range is -65°C to 150°C).
- Is the LM4041BIDBZT stable with capacitive loads?
Yes, the LM4041BIDBZT is stable when used with capacitive loads).
- What are some common applications of the LM4041BIDBZT?
Common applications include computers, battery chargers, switch mode power supplies, battery operated equipment, data acquisition systems, energy management, and instrumentation).
- What is the package thermal impedance (θJA) for the SOT-23 package of the LM4041BIDBZT?
The package thermal impedance (θJA) for the SOT-23 package is 156 °C/W).
