MCP1525 2.5V Precision Voltage Reference TO-92 (MCP1525 IC)
The MCP1525 is a low-power, high-precision series voltage reference designed to provide a stable 2.5V output for 3V to 5V systems. Housed in a compact 3-pin TO-92 package, it utilizes an advanced CMOS circuit design with EEPROM trimming to achieve an initial tolerance of 1% and a temperature stability of 50ppm/C. Unlike standard Zener references, the MCP1525 offers superior stability over time and temperature while consuming very little current, making it ideal for battery-powered applications.
This IC is commonly used in India for data acquisition systems, handheld instruments, and high-precision power supplies. It is a preferred choice for Arduino and ESP32 developers who need a reliable voltage reference for analog-to-digital (A/D) and digital-to-analog (D/A) converters to ensure accurate sensor readings in environments with fluctuating supply voltages.
Key Features
- High Precision: Fixed 2.5V output with a tight +/-1% initial accuracy.
- Low Power Consumption: Operates with a maximum quiescent current of only 100uA.
- Wide Input Range: Supports a supply voltage from 2.7V to 5.5V.
- Excellent Stability: Low temperature drift of 50ppm/C and high line/load regulation.
- Output Drive: Capable of driving loads up to 2mA.
- Compact Footprint: Space-saving TO-92 through-hole package for easy breadboarding.
- Industrial Grade: Rated for a temperature range of -40 to +85 degrees Celsius.
Specifications
- IC Type: Series Voltage Reference
- Output Voltage: 2.5V
- Initial Accuracy: +/- 1% (Max)
- Temperature Coefficient: 50 ppm/C (Max)
- Input Voltage Range: 2.7V to 5.5V
- Output Current Drive: +/- 2mA
- Quiescent Current: 100uA (Max at 25C)
- Dropout Voltage: 137mV
- Package Type: TO-92-3
- Mounting Type: Through-Hole
Interfaces (Facing Flat Side, Leads Down)
- Pin 1 (VSS): Ground
- Pin 2 (VOUT): 2.5V Reference Output
- Pin 3 (VIN): Positive Supply Voltage (2.7V to 5.5V)
