Overview
The LM4040CIM3-3.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for space-critical applications and is available in small surface-mount packages such as SOT-23, TO-92, and SC70. The LM4040-N series is known for its high accuracy and stability, making it suitable for a wide range of applications that require precise voltage referencing.
The device is AEC Q-100 qualified for automotive applications, with extended temperature ranges from -40°C to +125°C for Grade 1 and -40°C to +85°C for Grade 3. This ensures reliability in harsh environmental conditions.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100μA | 3.0 | 3.0 | 3.0 | V |
| Reverse Breakdown Voltage Tolerance (Grade C) | IR = 100μA, TA = TJ = 25°C | ±15 mV | ±30 mV | ||
| Minimum Operating Current | TA = TJ = 25°C | 45 μA | 60 μA | μA | |
| Maximum Operating Current | 15 mA | mA | |||
| Average Reverse Breakdown Voltage Temperature Coefficient | IR = 10mA | ±20 ppm/°C | ±100 ppm/°C | ppm/°C | |
| Wideband Noise (10Hz to 10kHz) | IR = 100μA | 35 μVrms | μVrms |
Key Features
- No output capacitor required, ensuring stability with any capacitive load.
- Fixed reverse breakdown voltages available: 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Small packages: SOT-23, TO-92, and SC70, ideal for space-critical applications.
- Wide operating current range: 60μA to 15mA.
- Low output noise: 35μVrms (typical) from 10Hz to 10kHz.
- Low temperature coefficient: 100ppm/°C (maximum).
- AEC Q-100 qualified for automotive applications with extended temperature ranges.
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the primary function of the LM4040CIM3-3.0/NOPB?
The primary function is to provide a precise and stable voltage reference.
- What are the available package types for the LM4040-N series?
The available packages include SOT-23, TO-92, and SC70.
- What is the temperature range for the LM4040CIM3-3.0/NOPB?
The temperature range is -40°C to +125°C for Grade 1 and -40°C to +85°C for Grade 3.
- Does the LM4040CIM3-3.0/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the minimum operating current for the LM4040CIM3-3.0/NOPB?
The minimum operating current is 45 μA at 25°C.
- What is the maximum operating current for the LM4040CIM3-3.0/NOPB?
The maximum operating current is 15 mA.
- What is the typical wideband noise of the LM4040CIM3-3.0/NOPB?
The typical wideband noise is 35 μVrms from 10Hz to 10kHz.
- Is the LM4040CIM3-3.0/NOPB AEC Q-100 qualified?
- What are some common applications of the LM4040-N series?
- What is the reverse breakdown voltage tolerance for Grade C at 25°C?
