Overview
The LM4040DIM3X2.5/NOPB is a precision micropower shunt voltage reference from Texas Instruments, designed for space-critical applications. This device is part of the LM4040-N series and is available in small surface-mount packages such as SOT-23, TO-92, and SC70. The LM4040DIM3X2.5/NOPB is specifically configured with a fixed reverse breakdown voltage of 2.5V and is suitable for a wide range of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Test Conditions | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100μA | 2.5 | ±0.5% (Grade C) | V |
| Output Voltage Tolerance | TA = 25°C | ±12 mV | ±29 mV (TMIN to TMAX) | mV |
| Minimum Operating Current | TA = 25°C | 60 μA | 65 μA (TMIN to TMAX) | μA |
| Maximum Operating Current | 15 mA | mA | ||
| Temperature Coefficient | IR = 10mA | ±20 ppm/°C | ±100 ppm/°C (TMIN to TMAX) | ppm/°C |
| Wideband Noise | 10Hz ≤ f ≤ 10kHz, IR = 100μA | 35 μVrms | μVrms | |
| Operating Temperature Range | −40°C to +85°C (Industrial Grade 3) | °C |
Key Features
- No output capacitor required for stability.
- Tolerates capacitive loads.
- 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.
- Low output noise: 35 μVrms (typical) from 10Hz to 10kHz.
- Wide operating current range: 60 μA to 15 mA.
- Low temperature coefficient: ±20 ppm/°C (typical).
- AEC Q-100 qualified for automotive applications (Extended Grade 1: −40°C to +125°C, Industrial Grade 3: −40°C to +85°C).
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the typical output voltage tolerance of the LM4040DIM3X2.5/NOPB at 25°C?
The typical output voltage tolerance is ±12 mV at 25°C for Grade C.
- What are the available package types for the LM4040-N series?
The LM4040-N series is available in SOT-23, TO-92, and SC70 packages.
- Does the LM4040DIM3X2.5/NOPB require an external stabilizing capacitor?
No, the LM4040-N series does not require an external stabilizing capacitor for stability.
- What is the operating current range of the LM4040DIM3X2.5/NOPB?
The operating current range is from 60 μA to 15 mA.
- What is the temperature coefficient of the LM4040DIM3X2.5/NOPB?
The temperature coefficient is ±20 ppm/°C (typical) at an operating current of 10 mA.
- Is the LM4040DIM3X2.5/NOPB suitable for automotive applications?
- What is the wideband noise specification of the LM4040DIM3X2.5/NOPB?
The wideband noise is 35 μVrms from 10Hz to 10kHz at an operating current of 100 μA.
- What are some common applications of the LM4040-N series?
- How does the LM4040DIM3X2.5/NOPB handle capacitive loads?
- What is the maximum junction temperature for the LM4040DIM3X2.5/NOPB?
