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Zetex Semiconductors - SOT23 MICROPOWER (4uA) 1.22V VOLTAGE REFERENCE

Numéro de référence ZXRE1004
Description SOT23 MICROPOWER (4uA) 1.22V VOLTAGE REFERENCE
Fabricant Zetex Semiconductors 
Logo Zetex Semiconductors 





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ZXRE1004 fiche technique
SOT23 MICROPOWER (4A) 1.22V VOLTAGE REFERENCE
ZXRE1004
DESCRIPTION
The ZXRE1004 is a 1.22 volt bandgap reference circuit
designed for ultra low current operation, typically 4A.
The device is available in a SOT23 surface mount
package offering the ultimate in space and power
saving. These features make the ZXRE1004 particularly
suitable for portable and battery powered applications.
SOT23 tolerance selection is available to 0.5% for
precision applications. Excellent performance is
maintained over the 8A to 20mA operating current
range with a typical temperature coefficient of only
20ppm/°C. The device has been designed to be highly
tolerant of capacitive loads so maintaining excellent
stability.
As well as the SOT23, the ZXRE1004 can offer a pin for
pin compatible alternative to the REF1004, LT1004 and
LM185/385 series of voltage references with SO8 and
E-Line (TO92 style) equivalents .
FEATURES
 High performance alternative to REF1004,
LT1004 and LM185/385 references
 4A typical knee current
 Small outline SOT23 package
 SO8 and E-Line alternatives available
 20ppm/°C typical temperature coefficient
 Unconditionally stable
 0.5%, 1%, 2% and 3% tolerance
 Contact Zetex marketing for availability of tighter
tolerance devices
APPLICATIONS
 Battery powered equipment
 Precision power supplies
 Portable instrumentation
 Portable communications devices
 Notebook and palmtop computers
 Data acquisition systems
 A/D and D/A converters
 Test equipment
SCHEMATIC DIAGRAM
APPLICATIONS CIRCUIT
VR
1.5V
27k
1.22V
ISSUE 2 - JUNE 1999
Gnd Ultra low quiescent reference from a 1.5V battery
source.
1

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