Overview
The LM4140CCMX-2.5/NOPB is a high-precision, low-noise, low-dropout voltage reference from Texas Instruments. This device is part of the LM4140 series, which combines high accuracy, low drift, and low noise with low power dissipation in a compact package. The LM4140CCMX-2.5/NOPB is specifically designed for applications requiring high precision and stability, with an output voltage of 2.5V.
The device utilizes EEPROM registers and CMOS DACs for temperature coefficient curvature correction and output voltage accuracy trimming, ensuring high resolution and precision. It operates with a low input voltage, low dropout voltage, and low supply current, making it ideal for battery-powered and portable applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Output Voltage | 2.5 V | - |
| Initial Accuracy | 0.1% | - |
| Temperature Coefficient | 10 ppm/°C (Grade C) | 0°C to 70°C |
| Low Dropout Voltage | 20 mV (Typical) at 1mA | - |
| Supply Current | 230 µA (Typical), ≤1 µA Disable Mode | - |
| Enable Pin Logic | VH = 0.8 × VIN, VL = 0.4 V | - |
| Short-Circuit Current | 8.5 mA to 20 mA | TA = 25°C |
| Operating Temperature Range | 0°C to 70°C | - |
| Package Type | SOIC (8-pin) | - |
| Body Size | 4.90 mm × 3.91 mm | - |
Key Features
- High Initial Accuracy: 0.1%
- Ultra-Low Noise
- Low Temperature Coefficient: 10 ppm/°C (Grade C)
- Low Voltage Operation: 1.8V
- Low Dropout Voltage: 20 mV (Typical) at 1mA
- Supply Current: 230 µA (Typical), ≤1 µA Disable Mode
- Enable Pin for ON/OFF Control
- Custom Voltages From 0.5 V to 4.5 V Available
- Compact 8-pin SOIC Package
Applications
- Portable, Battery-Powered Equipment
- Instrumentation and Test Equipment
- Automotive
- Industrial Process Control
- Data Acquisition Systems
- Medical Equipment
- Precision Scales
- Servo Systems
- Battery Charging
Q & A
- What is the output voltage of the LM4140CCMX-2.5/NOPB?
The output voltage of the LM4140CCMX-2.5/NOPB is 2.5 V.
- What is the initial accuracy of the LM4140CCMX-2.5/NOPB?
The initial accuracy is 0.1%.
- What is the temperature coefficient of the LM4140CCMX-2.5/NOPB?
The temperature coefficient is 10 ppm/°C for Grade C.
- What is the typical supply current of the LM4140CCMX-2.5/NOPB?
The typical supply current is 230 µA, and it can be as low as ≤1 µA in disable mode.
- Does the LM4140CCMX-2.5/NOPB have an enable pin?
- What is the operating temperature range of the LM4140CCMX-2.5/NOPB?
The operating temperature range is 0°C to 70°C.
- What package type is the LM4140CCMX-2.5/NOPB available in?
- What are some typical applications for the LM4140CCMX-2.5/NOPB?
Typical applications include portable, battery-powered equipment, instrumentation and test equipment, automotive, industrial process control, data acquisition systems, medical equipment, precision scales, servo systems, and battery charging.
- Is an output capacitor required for the LM4140CCMX-2.5/NOPB?
- Can the LM4140CCMX-2.5/NOPB be customized for different output voltages?
