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Product Detailed Parameters
- Description：IC VREF SERIES 0.06% 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX873AESA+T is a precision voltage reference providing a fixed +2.5V output in an 8-pin SOIC package. It features a maximum initial accuracy of ±0.06% and a temperature coefficient of 7ppm/°C over the -40°C to +85°C range. The device operates from a supply voltage of +4.5V to +18V, drawing a maximum quiescent current of 450µA. It sources up to 10mA and sinks up to 2mA, with line regulation at 4ppm/V and load regulation at 15ppm/mA. A dedicated TEMP pin outputs a voltage proportional to die temperature.
Feature Summary
- Provides a stable +2.5V reference with high initial accuracy and low temperature drift for precision applications.
- Includes a temperature-proportional output pin (TEMP) for compensation or monitoring circuits.
- Features a TRIM pin allowing adjustment of the output voltage over a ±6% range using external components.
Applications
- 12-bit ADCs and DACs
- Digital Multimeters
- Portable Data-Acquisition Systems
Procurement Notes
Verify the specific suffix '+T' indicates tape-and-reel packaging when sourcing. Confirm that the 'E' designation corresponds to the extended industrial temperature range (-40°C to +85°C). Ensure the ordering part number matches the exact accuracy grade required, as variations exist within the MAX873 family.
Selection Notes
Select this component for systems requiring a low-power, high-precision 2.5V reference. It is suitable for battery-operated devices due to its low quiescent current. Consider the available trim range if precise factory calibration is insufficient for the application requirements.
Part Context
This part belongs to the MAX873/MAX875/MAX876 series of low-power, low-drift precision voltage references. While sharing similar architecture and features, the MAX873 is distinctively configured for a +2.5V output, whereas other variants in the series provide +5V or +10V outputs.
Replacement Considerations
Direct replacements include MAX873BESA+T, which offers lower accuracy but higher temperature stability. Other compatible parts in the series are MAX875AESA+T (+5V) and MAX876AESA+T (+10V), provided the voltage requirement can be adjusted.
