Overview
The LM4041BIDCKR is a precision micropower shunt voltage reference designed by Texas Instruments. This component is known for its high accuracy, low power consumption, and stability over a wide range of operating temperatures and currents. It is available in various packages, including SOT-23, TO-92, and SC70, making it versatile for different application needs.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100 μA | 1.225 | - | - | V |
| Output Voltage Tolerance (A Grade, 25°C) | - | - | - | ±0.1% | % |
| Low Output Noise (10 Hz to 10kHz) | - | 20 | - | - | μVrms |
| Operating Current Range | - | 60 μA to 12 mA | 45 μA | 12 mA | μA/mA |
| Temperature Coefficient | - | - | - | 100 ppm/°C | ppm/°C |
| Industrial Temperature Range | - | - | -40°C | +85°C | °C |
| Extended Temperature Range | - | - | -40°C | +125°C | °C |
Key Features
- Precision Output Voltage: The LM4041BIDCKR offers a fixed 1.225 V output voltage with high accuracy, typically ±0.1% at 25°C.
- Low Power Consumption: It operates with a minimum current of 60 μA and a maximum of 12 mA, making it suitable for battery-powered devices.
- Stable Over Temperature: The component has a low temperature coefficient of 100 ppm/°C, ensuring stable output voltage over a wide temperature range.
- No Output Capacitor Required: The LM4041BIDCKR is stable with all capacitive loads and does not require an output capacitor.
- Low Output Noise: It features low output noise of 20 μVrms from 10 Hz to 10 kHz.
- Compact Packages: Available in SOT-23, TO-92, and SC70 packages, making it suitable for various design requirements.
Applications
- Data-Acquisition Systems: Ideal for precision voltage references in data acquisition systems.
- Power Supplies and Power-Supply Monitors: Used in power supply designs to provide a stable reference voltage.
- Instrumentation and Test Equipment: Suitable for instrumentation and test equipment requiring precise voltage references.
- Process Control: Used in process control systems for stable voltage references.
- Energy Management/Metering: Applied in energy management and metering systems for accurate voltage references.
- Automotive Electronics: Used in automotive electronics due to its extended temperature range and high precision.
- Precision Audio Components: Suitable for precision audio components requiring stable voltage references.
- Battery-Powered Equipment: Ideal for battery-powered equipment due to its low power consumption.
Q & A
- What is the typical output voltage of the LM4041BIDCKR?
The typical output voltage is 1.225 V.
- What is the accuracy of the LM4041BIDCKR at 25°C?
The accuracy is typically ±0.1% at 25°C for the A grade.
- What is the minimum operating current of the LM4041BIDCKR?
The minimum operating current is 60 μA.
- What is the maximum operating current of the LM4041BIDCKR?
The maximum operating current is 12 mA.
- Does the LM4041BIDCKR require an output capacitor?
No, it does not require an output capacitor.
- What is the temperature coefficient of the LM4041BIDCKR?
The temperature coefficient is 100 ppm/°C.
- What are the available temperature ranges for the LM4041BIDCKR?
The component is available in both industrial (-40°C to +85°C) and extended (-40°C to +125°C) temperature ranges.
- What are the typical applications of the LM4041BIDCKR?
It is used in data-acquisition systems, power supplies, instrumentation, process control, energy management, automotive electronics, precision audio components, and battery-powered equipment.
- What packages are available for the LM4041BIDCKR?
The component is available in SOT-23, TO-92, and SC70 packages.
- What is the output noise of the LM4041BIDCKR?
The output noise is typically 20 μVrms from 10 Hz to 10 kHz.
