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LM385MX-1.2/NOPB

1.235-V, 0°C to 70°C, micropower voltage reference diode

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LM385MX-1.2/NOPB General Description

The LM185-1.2-N/LM285-1.2-N/LM385-1.2-N are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 10μA to 20mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM185-1.2-N band-gap reference uses only transistors and resistors, low noise and good long term stability result.

Careful design of the LM185-1.2-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.

The extremely low power drain of the LM185-1.2-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.

The LM185-1.2-N is rated for operation over a −55°C to 125°C temperature range while the LM285-1.2-N is rated −40°C to 85°C and the LM385-1.2-N 0°C to 70°C. The LM185-1.2-N/LM285-1.2-N are available in a hermetic TO package and the LM285-1.2-N/LM385-1.2-N are also available in a low-cost TO-92 molded package, as well as SOIC and SOT-23.

lm385mx-1-2-nopb lm385mx-1-2-nopb

Key Features

  • ±1% and 2% Initial Tolerance
  • Operating Current of 10μA to 20mA
  • 1Ω Dynamic Impedance
  • Low Temperature Coefficient
  • Low Voltage Reference—1.235V
  • 2.5V Device and Adjustable Device Also Available
  • LM185-2.5 Series and LM185 Series, respectively

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lm385mx-1-2-nopb lm385mx-1-2-nopb
lm385mx-1-2-nopb

Specifications

VO (V) 1.235 Initial accuracy (max) (%) 1, 2
VO adj (min) (V) 1.235 VO adj (max) (V) 1.235
Iz for regulation (min) (µA) 15 Reference voltage (V) Fixed
Rating Catalog Temp coeff (max) (ppm/°C) 150
Operating temperature range (°C) 0 to 70 Iout/Iz (max) (mA) 20
feature-reference-type Precision feature-topology Shunt
feature-initial-accuracy 2% feature-maximum-temperature-coefficient 150ppm/°C
feature-output-voltage-v 1.235 feature-maximum-input-voltage-v
feature-maximum-output-current-ma 20 feature-packaging Tape and Reel
feature-rad-hard feature-pin-count 8
feature-cecc-qualified No feature-esd-protection Yes
feature-escc-qualified feature-military No
feature-aec-qualified No feature-aec-qualified-number
feature-eccn-code EAR99 feature-svhc No
feature-svhc-exceeds-threshold No

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Ratings and Reviews

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L**m 04/30/2024

It took 50 days even though almost 20 were customs. Something that happens commonly in mexico. all right. Exactly what i asked for.

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Availability: 6404 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $0.244 $0.24
200+ $0.094 $18.80
500+ $0.091 $45.50
1000+ $0.089 $89.00

The prices below are for reference only.

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