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LM385Z Datasheet(PDF) 1 Page - Texas Instruments

Part # LM385Z
Description  LM185/LM285/LM385 Adjustable Micropower Voltage References
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM385Z Datasheet(HTML) 1 Page - Texas Instruments

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LM185-ADJ, LM285-ADJ, LM385-ADJ
www.ti.com
SNVS741F – FEBRUARY 2000 – REVISED APRIL 2013
LM185/LM285/LM385 Adjustable Micropower Voltage References
Check for Samples: LM185-ADJ, LM285-ADJ, LM385-ADJ
Careful design of the LM185 has made the device
1
FEATURES
tolerant of capacitive loading, making it easy to use in
2
Adjustable from 1.24V to 5.30V
almost any reference application. The wide dynamic
Operating Current of 10
μA to 20mA
operating range allows its use with widely varying
supplies with excellent regulation.
1% and 2% Initial Tolerance
1
Ω Dynamic Impedance
The extremely low power drain of the LM185 makes it
useful for micropower circuitry. This voltage reference
Low Temperature Coefficient
can be used to make portable meters, regulators or
general purpose analog circuitry with battery life
DESCRIPTION
approaching shelf life. Further, the wide operating
The LM185/LM285/LM385 are micropower 3-terminal
current allows it to replace older references with a
adjustable
band-gap
voltage
reference
diodes.
tighter tolerance part.
Operating from 1.24 to 5.3V and over a 10
μA to
The LM185 is rated for operation over a
−55°C to
20mA current range, they feature exceptionally low
125°C temperature range, while the LM285 is rated
dynamic impedance and good temperature stability.
−40°C to 85°C and the LM385 0°C to 70°C. The
On-chip trimming is used to provide tight voltage
LM185 is available in a hermetic TO package and a
tolerance. Since the LM185 band-gap reference uses
LCCC
package,
while
the
LM285/LM385
are
only transistors and resistors, low noise and good
available in a low-cost TO-92 package, as well as
long-term stability result.
SOIC.
Connection Diagram
Figure 1. TO-92 Package
Figure 2. TO Package
Bottom View
Bottom View
Figure 3. SOIC Package
Figure 4. 20-LCCC
Top View
Top View
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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