Manufacturer Part Number
LM385BD-1-2
Manufacturer
Texas Instruments
Introduction
The LM385BD-1-2 is a fixed 1.235V voltage reference IC from Texas Instruments.
Product Features and Performance
Fixed 1.235V output voltage
Wide operating temperature range of 0°C to 70°C
Low temperature coefficient of 20ppm/°C typical
Tight voltage tolerance of ±1%
Low noise of 60Vrms from 10Hz to 10kHz
Capable of sourcing up to 20mA of output current
Shunt reference type
Product Advantages
Stable and precise voltage reference
Wide temperature range operation
Small 8-SOIC package for space-constrained designs
Low noise for sensitive analog applications
Key Technical Parameters
Output Voltage: 1.235V (fixed)
Output Current: 20mA
Temperature Coefficient: 20ppm/°C typical
Voltage Tolerance: ±1%
Noise (10Hz to 10kHz): 60Vrms
Cathode Current: 15A
Operating Temperature: 0°C to 70°C
Quality and Safety Features
RoHS3 compliant
8-SOIC (0.154", 3.90mm Width) package
Compatibility
Compatible with a wide range of electronic circuits and systems requiring a stable voltage reference
Application Areas
Precision analog and mixed-signal circuits
Sensor and instrumentation applications
Voltage regulation and reference circuits
General-purpose voltage reference applications
Product Lifecycle
The LM385BD-1-2 is an active and widely available product from Texas Instruments.
Replacements and upgrades may be available, but the LM385 series remains a popular and well-supported voltage reference solution.
Key Reasons to Choose This Product
Stable and precise 1.235V voltage reference
Wide operating temperature range
Small 8-SOIC package for space-constrained designs
Low noise performance for sensitive analog applications
Proven reliability and long-term availability from Texas Instruments
RoHS3 compliance for use in modern electronic systems
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