Overview
The LM4041BIM3X-1.2/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments (originally National Semiconductor). This device is designed for space-critical applications and is available in sub-miniature SOT-23 and SC70 surface-mount packages. The LM4041-N series is known for its high accuracy and stability, making it suitable for a wide range of applications where precise voltage reference is required.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100 μA | 1.225 | - | ±1.2 (A grade), ±2.4 (B grade) | V |
| Output Voltage Tolerance (A grade, 25°C) | - | - | - | ±0.1% | % |
| Low Output Noise (10 Hz to 10kHz) | - | - | - | 20 μVrms | μVrms |
| Operating Current Range | - | 60 μA | - | 12 mA | mA |
| Industrial Temperature Range | - | -40°C | - | +85°C | °C |
| Extended Temperature Range | - | -40°C | - | +125°C | °C |
| Temperature Coefficient | - | - | - | 100 ppm/°C | ppm/°C |
Key Features
- Small packages: SOT-23, TO-92, and SC70
- No output capacitor required
- Tolerates capacitive loads
- Reverse breakdown voltage options of 1.225 V and adjustable
- High accuracy with output voltage tolerance of ±0.1% (A grade) at 25°C
- Low output noise of 20 μVrms (10 Hz to 10kHz)
- Wide operating current range of 60 μA to 12 mA
- Low temperature coefficient of 100 ppm/°C (max)
- Qualified for automotive applications with AEC Q-100 Grade 1 and Grade 3 qualifications
Applications
- Portable, Battery-Powered Equipment
- Data Acquisition Systems
- Instrumentation
- Process Control
- Energy Management
- Automotive
- Precision Audio Components
Q & A
- What is the minimum operating current of the LM4041BIM3X-1.2/NOPB?
The minimum operating current is 60 μA.
- What are the available package types for the LM4041-N?
The LM4041-N is available in SOT-23, TO-92, and SC70 packages.
- Does the LM4041-N require an external capacitor for stability?
No, the LM4041-N does not require an external capacitor for stability, but it remains stable if one is used.
- What is the temperature range for the industrial grade LM4041-N?
The industrial temperature range is -40°C to +85°C.
- What is the maximum reverse breakdown voltage tolerance for the A grade LM4041-N?
The maximum reverse breakdown voltage tolerance for the A grade is ±0.1% at 25°C.
- What is the typical output noise of the LM4041-N over the 10 Hz to 10kHz frequency range?
The typical output noise is 20 μVrms.
- Is the LM4041-N qualified for automotive applications?
- What is the maximum operating current of the LM4041-N?
The maximum operating current is 12 mA.
- What is the thermal hysteresis of the LM4041-N?
The thermal hysteresis is 0.08% over the temperature range from -40°C to +125°C.
- What is the long-term stability of the reverse breakdown voltage?
The long-term stability is 120 ppm over 1000 hours at 25°C ±0.1°C.
