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Maxim Integrated Fixed Shunt Voltage Reference 1% 3-Pin SC-70 Surface Mount 3.3V 15mA LM4040DEX3-3.3+T
Specifications
| Country of Origin | United States |
|---|---|
| Brand | Maxim Integrated |
| Height | 1mm |
| Length | 2.2mm |
| Model | LM4040DEX3-3.3+T |
| Mount Type | Surface |
| Output type | Fixed |
| Series | LM4040 |
| Temperature Coefficient | 15 ppm/°C |
| Output Current | 15mA |
| Topology | Shunt |
| Maximum Operating Temperature | 125°C |
| Package Type | SC-70 |
| Minimum Operating Temperature | -40°C |
| Reference Type | Fixed |
| Maximum Input Voltage | 3.33V |
| Minimum Input Voltage | 3.27V |
| Pin Count | 3 |
| Automotive Standard | AEC-Q100 |
| Reference Voltage | 3.3V |
| Initial Accuracy | 1 % |
| Wide Operating Current Range | 60μA to 15mA |
Key Features
- This device provides a precise 3.3V voltage reference with 1% initial accuracy.
- It supports an output current up to 15mA suitable for power management applications.
- Temperature coefficient is a low 15 ppm/°C, guaranteeing stability from -40°C to +125°C.
- The ultra-small 3-pin SC-70 package has a height of 1mm and length of 2.2mm for space-critical designs.
- The device operates with a wide current range from 60μA to 15mA and features a shunt topology.
- Meets automotive standard AEC-Q100, ensuring reliability in demanding environments.
- The fixed output voltage and no output capacitor requirement simplify circuit design.
- Ideal for industrial, laboratory, automotive, and instrumentation voltage reference needs.
Product Description
Maxim Integrated LM4040DEX3-3.3+T is a precision fixed shunt voltage reference designed for applications requiring a stable 3.3V output voltage and up to 15mA output current. It comes in an ultra-compact 3-pin SC-70 surface mount package, measuring only 1mm in height and 2.2mm in length, making it well suited for space-critical electronic designs.
The device offers initial accuracy of 1% with laser-trimmed resistors and a temperature coefficient of 15 ppm/°C, maintaining stable performance over a wide temperature range from -40°C to +125°C. Its shunt topology and wide operating current from 60μA to 15mA provide flexibility and ease of use in power management and precision measurement circuits.
Compliant with the automotive AEC-Q100 standard, this voltage reference ensures reliability and robustness in automotive and industrial environments. The LM4040DEX3-3.3+T requires no output capacitors and tolerates capacitive loads, simplifying the design and reducing component count.
This product is ideal for use in industrial control systems, laboratory test equipment, automotive sensors, and other situations demanding accurate voltage referencing. The fixed 3.3V output voltage enables straightforward integration into various analog and digital circuits.
High precision fixed 3.3V voltage reference with 1% initial accuracy. Wide operating temperature from -40°C to +125°C. Compact SC-70 surface mount package reduces PCB space requirements. Wide operating current range: 60μA to 15mA.
Automotive AEC-Q100 qualified for demanding applications. No external output capacitors required; tolerant to capacitive loads. Laser-trimmed resistors ensure tight voltage accuracy. Shunt topology provides stable output current supply.
Set contains 1 fixed shunt voltage reference device: LM4040DEX3-3.3+T in SC-70 package. Explore more Voltage Reference products and precision semiconductors on EnvMart to find solutions tailored for industrial, laboratory, automotive, and power management needs.
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Frequently Asked Questions
This model provides a fixed output voltage of 3.3V.
The maximum output current is 15mA, suitable for various power management applications.
It operates over a wide temperature range from -40°C to +125°C.
The SC-70 package has a height of 1mm and a length of 2.2mm, making it compact for space-critical designs.
The temperature coefficient is 15 ppm/°C, ensuring stable performance across the specified temperature range.
Yes, it meets the automotive standard AEC-Q100, ensuring reliability in demanding environments.
This model uses a shunt topology, which provides a stable output current supply.
The minimum input voltage is 3.27V and the maximum input voltage is 3.33V.
This device features a 3-pin configuration, suitable for surface mount applications.
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