BLR150 – High Precision Voltage Reference, 5.0V Output, 12V Max Input, ?40?~125?, 5ppm Typ / 10ppm Max Drift, 0.05% Initial Accuracy, 37µVpp Noise, SOIC8

The BLR High Precision Voltage Reference Series is a family of fixed-output precision reference ICs designed to deliver ultra-stable, low-noise reference voltages for high-accuracy analog systems. Covering output voltages from 2.048V to 5.0V, the series includes both standard precision and ultra-low drift variants to meet the demands of industrial, instrumentation, and data acquisition applications.

With excellent temperature stability, low initial accuracy error, and low output noise, BLR voltage references provide reliable and repeatable performance for ADC, DAC, and precision signal-conditioning circuits. All devices are housed in SOIC8 packages, ensuring easy PCB integration and strong thermal performance.

Key Specifications (Series)

• Device Type: High Precision Voltage Reference IC

• Output Voltage Options: 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, 5.0V

• Input Voltage (Max.): 5.5V or 12V (device dependent)

• Temperature Drift:

  • Standard Series: 5ppm/°C typ.

  • Ultra-Low Drift Series: 3ppm/°C typ.

• Initial Accuracy:

  • Standard Series: 0.05% max.

  • Ultra-Low Drift Series: 0.02% max.

• Output Noise: As low as 16µVpp (0.1Hz–10Hz)

• Operating Temperature Range: -40°C to +125°C

• Package: SOIC8

Applications

• Precision ADC and DAC reference circuits

• Industrial measurement and control systems

• Data acquisition (DAQ) systems

• Instrumentation and calibration equipment

• Power monitoring and sensing systems

• High-accuracy analog front-end designs

Features

• Fixed precision voltage outputs

• Low noise and excellent long-term stability

• Low temperature coefficient for high accuracy

• Wide operating temperature range

• Robust SOIC8 package for industrial reliability

• Optimized for precision analog and mixed-signal systems