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LM285-1.2 Scheda tecnica(PDF) 1 Page - Texas Instruments

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Il numero della parte LM285-1.2
Spiegazioni elettronici  Micropower Voltage References
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LM285-1.2 Scheda tecnica(HTML) 1 Page - Texas Instruments

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LM285-1.2, LM385-1.2, LM385B-1.2
SLVS075J – APRIL 1989 – REVISED JANUARY 2015
LMx85-1.2, LM385B-1.2 Micropower Voltage References
1 Features
3 Description
These micropower, two-terminal, band-gap voltage
1
Operating Current Range
references operate over a 10-
μA to 20-mA current
LM285-1.2: 10
μA to 20 mA
range
and
feature
exceptionally
low
dynamic
LM385-1.2: 15
μA to 20 mA
impedance and good temperature stability. On-chip
trimming provides tight voltage tolerance. The band-
LM385B-1.2: 15
μA to 20 mA
gap reference for these devices has low noise and
1% and 2% Initial Voltage Tolerance
long-term stability.
Reference Impedance
The
design
makes
these
devices
exceptionally
LM385-1.2: 1
Ω MAX at 25°C
tolerant of capacitive loading and, thus, easier to use
All devices: 1.5
Ω MAX over Full
in most reference applications. The wide dynamic
Temperature Range
operating temperature range accommodates varying
current supplies, with excellent regulation.
Very Low Power Consumption
Interchangeable with Industry Standard
The extremely low power drain of this series makes
them useful for micropower circuitry. These voltage
LM285-1.2 and LM385-1.2
references can be used to make portable meters,
regulators, or general-purpose analog circuitry, with
2 Applications
battery life approaching shelf life. The wide operating
Portable Meter References
current range allows them to replace older references
with tighter-tolerance parts.
Portable Test Instruments
Battery-Operated Systems
Device Information(1)
Current-Loop Instrumentation
PART NUMBER
PACKAGE (PIN)
BODY SIZE (NOM)
Panel Meters
SOIC (8)
4.90 mm × 3.91 mm
SOP (8)
6.20 mm × 5.30 mm
LMx85-1.2
TSSOP (8)
3.00 mm × 4.40 mm
TO-226 (3)
4.30 mm × 4.30 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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