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LM185-2.5

Micropower Voltage Reference; ? 20μA to 20mA Operating Range\n\n? Guaranteed 1% Initial Voltage Tolerance\n\n? Guaranteed 1? Dynamic Impedance\n\n? Very Low Power Consumption;

The H (Metal Can), J (Ceramic), and K (Metal Can) Packages Are Now Obsolete.\n\nThe LM185-2.5 is a two-terminal band gap reference diode that has been designed for applications which require precision performance with micropower operation. The device provides guaranteed operation specifications at currents as low as 20μA. The nominal voltage is 2.5V with both 1% and 2% tolerances available. Some additional features are: maximum dynamic impedance of 1?, low noise and excellent stability over time and temperature. The advanced design, processing and testing techniques make Linear’s LM185-2.5 a superior choice over previous designs. A circuit for cold junction compensation of a thermocouple is shown below.\n\nFor applications requiring guaranteed temperature drift, see the LT1034 data sheet.\n\nApplications\n\n\n\n? Portable Meter References\n\n? Portable Test Instruments\n\n? Battery-Operated Systems\n\n? Panel Meters\n\n? Current Loop Instrumentation\n\n\n\n

LM185-2.5

Micropower Voltage Reference Diode

LM185-2.5

Micropower Voltage Reference

LM185-2.5

Micropower Voltage Reference

LM185-2.5-MD8.A

Micropower Voltage Reference Diode

1FEATURES 2?OperatingCurrentof20μAto20mA ?0.6ΩDynamicImpedance(Agrade) ?LowTemperatureCoefficient ?LowVoltageReference—2.5V DESCRIPTION TheLM185-2.5aremicropower2-terminalband-gap voltageregulatordiodes.Operatingovera20μAto 20mAcurrentrange,theyfeatur

LM185-2.5-N

微功耗電壓基準(zhǔn)二極管; ? ±20 mV (±0.8%) max. Initial Tolerance (A Grade)\n? Operating Current of 20 μA to 20 mA\n? 0.6Ω Dynamic Impedance (A Grade)\n? Low Temperature Coefficient\n? Low Voltage Reference—2.5V\n? 1.2V Device and Adjustable Device Also Available—LM185-1.2 Series and LM185 Series, respectively\n;

The LM185-2.5-N/LM285-2.5-N/LM385-2.5-N are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 20 μA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM-185-2.5-N band-gap reference uses only transistors and resistors, low noise and good long term stability result.\nCareful design of the LM185-2.5-N has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation.\nThe extremely low power drain of the LM185-2.5-N makes it useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further, the wide operating current allows it to replace older references with a tighter tolerance part. For applications requiring 1.2V see LM185-1.2.\nThe LM185-2.5-N is rated for operation over a ?55°C to 125°C temperature range while the LM285-2.5-N is rated ?40°C to 85°C and the LM385-2.5-N 0°C to 70°C. The LM185-2.5-N/LM285-2.5-N are available in a hermetic TO package and the LM285-2.5-N/LM385-2.5-N are also available in a low-cost TO-92 molded package, as well as SOIC and SOT-23. The LM185-2.5-N is also available in a hermetic leadless chip carrier package.\n\n

LM185-2.5QML

微功耗電壓基準(zhǔn)二極管; ? Operating Current of 20 μA to 20 mA\n? 0.6Ω Dynamic Impedance (A grade)\n? Low Temperature Coefficient\n? Low Voltage Reference—2.5V;

The LM185-2.5 are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 20 μA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM185-2.5 band-gap reference uses only transistors and resistors, low noise and good long term stability result. Careful design of the LM185-2.5 has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation. The extremely low power drain of the LM185-2.5 makes it useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further, the wide operating current allows it to replace older references with a tighter tolerance part. For applications requiring 1.2V see LM185-1.2.

LM185-2.5QML

Micropower Voltage Reference Diode

1FEATURES 2?OperatingCurrentof20μAto20mA ?0.6ΩDynamicImpedance(Agrade) ?LowTemperatureCoefficient ?LowVoltageReference—2.5V DESCRIPTION TheLM185-2.5aremicropower2-terminalband-gap voltageregulatordiodes.Operatingovera20μAto 20mAcurrentrange,theyfeatur

LM185-2.5QML-SP

Micropower Voltage Reference Diode

1FEATURES 2?OperatingCurrentof20μAto20mA ?0.6ΩDynamicImpedance(Agrade) ?LowTemperatureCoefficient ?LowVoltageReference—2.5V DESCRIPTION TheLM185-2.5aremicropower2-terminalband-gap voltageregulatordiodes.Operatingovera20μAto 20mAcurrentrange,theyfeatur

LM185-2.5_15

Micropower Voltage Reference