Overview
The LM4040B50IDBZRG4 is a high-precision, micropower shunt voltage reference designed and manufactured by Texas Instruments. This device provides a fixed voltage reference of 5.0V with an impressive accuracy of ±0.1% at 25°C and ±0.2% over the entire industrial temperature range of −40°C to +85°C. It is a versatile component suitable for a wide range of applications, including portable and battery-powered electronics, power supplies, and data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Type | Precision Shunt |
| Voltage - Output | 5V |
| Tolerance | ±0.2% |
| Temperature Coefficient | 100ppm/°C |
| Current - Output | 15mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23-3 |
| Number of Channels | 1 |
| Current - Cathode | 60 μA to 15 mA |
| ESD Protection | Yes |
Key Features
- High precision fixed voltage reference with ±0.2% tolerance over the entire operating temperature range.
- Low noise: 80 μVrms (10Hz to 10kHz).
- Operating temperature range: -40°C ~ 85°C.
- Current output: 15 mA.
- Low power consumption, drawing minimal quiescent current, making it ideal for battery-operated and energy-efficient designs.
- Robust electrostatic discharge (ESD) protection.
- Small SOT-23 package, beneficial for space-constrained applications.
- Wide operating current range of 60 μA to 15 mA, allowing flexibility in various operating conditions.
Applications
- Precision voltage references.
- High-reliability applications.
- Aerospace and defense industries.
- Automotive industry.
- Industrial control systems.
- Portable and battery-powered electronics.
- Power supplies and data acquisition systems.
Q & A
- What is the nominal output voltage of the LM4040B50IDBZRG4? The nominal output voltage is 5V.
- What is the tolerance of the LM4040B50IDBZRG4 over the operating temperature range? The tolerance is ±0.2% over the entire industrial temperature range of −40°C to +85°C.
- What is the maximum output current of the LM4040B50IDBZRG4? The maximum output current is 15 mA.
- What is the operating temperature range of the LM4040B50IDBZRG4? The operating temperature range is -40°C ~ 85°C.
- Does the LM4040B50IDBZRG4 have ESD protection? Yes, it has robust electrostatic discharge (ESD) protection.
- What package type does the LM4040B50IDBZRG4 come in? It comes in a SOT-23-3 package.
- What are some typical applications of the LM4040B50IDBZRG4? Typical applications include precision voltage references, high-reliability applications, aerospace, automotive, and industrial control systems.
- How much noise does the LM4040B50IDBZRG4 generate? It generates 80 μVrms noise (10Hz to 10kHz).
- Is the LM4040B50IDBZRG4 suitable for battery-operated devices? Yes, it is suitable due to its low power consumption and minimal quiescent current.
- What is the temperature coefficient of the LM4040B50IDBZRG4? The temperature coefficient is 100ppm/°C.
