ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC VREF SHUNT 1% 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：1.235V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
Download product information
Overview
The LM385BDR-1-2 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a nominal output voltage of 1.235 V with an initial accuracy of ±1%. The device operates within a temperature range of 0°C to +70°C and features a maximum shunt current of 20 mA. It utilizes an 8-SOIC surface-mount package and exhibits a temperature coefficient of 20 ppm/°C.
Feature Summary
- Provides stable 1.235 V reference for precision circuits
- Low power consumption suitable for battery applications
- High accuracy with ±1% initial tolerance
Applications
- Portable instrumentation requiring low power
- Battery-powered measurement systems
- Precision data acquisition front ends
Procurement Notes
Verify the specific suffix 'BDR' against official Texas Instruments documentation to confirm the exact package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 1.235 V reference with high precision is required in a compact surface-mount format. Consider the 20 ppm/°C temperature coefficient for stability needs. Verify that the 20 mA maximum shunt current meets the circuit's biasing requirements.
Part Context
This part belongs to the LM385 family of micropower shunt voltage references from Texas Instruments. It serves as a cost-effective solution for applications needing a stable voltage baseline without the complexity of adjustable references or higher-power linear regulators.
Replacement Considerations
LM385BDTR-1-2
FAQ
What is the operating temperature range?
The device operates between 0°C and +70°C.
Is this an adjustable reference?
No, it is a fixed-output shunt reference providing 1.235 V.
