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Product Detailed Parameters
- Description：IC VREF SHUNT 1% TO92-3
- Series：-
- Mfr：onsemi
- 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：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The LM285Z-1.2RAG is a micropower shunt voltage reference manufactured by onsemi, designed to provide a stable 1.235 V output. It operates within a current range of 10 µA to 20 mA and supports a maximum shunt current of 30 mA. The device features an initial accuracy of 1% and a temperature coefficient of 80 PPM/°C. It is housed in a TO-92-3 (TO-226) through-hole package and functions reliably across a temperature range of -40°C to +85°C.
Feature Summary
- Provides a fixed 1.235 V reference voltage with high precision.
- Operates efficiently at low currents suitable for battery-powered applications.
- Maintains stability over wide temperature variations.
Applications
- Portable instrumentation circuits
- Analog-to-digital converter (ADC) references
- Digital-to-analog converter (DAC) biasing
Procurement Notes
Verify the specific suffix RAG corresponds to the required tape-and-reel packaging format. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation. Ensure the TO-92-3 through-hole package aligns with the target PCB footprint requirements before finalizing procurement orders.
Selection Notes
Select this component when a precise 1.235 V reference is needed in a through-hole configuration. The 1% accuracy and 80 PPM/°C temperature coefficient make it suitable for general-purpose analog circuits. Consider the 10 µA minimum operating current for low-power design constraints.
Part Context
This part belongs to the LM285 series of two-terminal shunt voltage references. It shares architectural similarities with other LM285 variants but is distinguished by its specific 1.235 V output voltage and TO-92-3 plastic package. The series is widely used in industrial and consumer electronics requiring stable voltage benchmarks.
Replacement Considerations
LM285Z-1.2RPG: Alternative reel packaging variant from onsemi. LM285Z-1.2/NOPB: Texas Instruments equivalent in TO-92-3 package. LM385AZ-1.2: National Semiconductor/TI alternative with similar electrical characteristics.
