zxre1004 Zetex Semiconductors plc., zxre1004 Datasheet

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zxre1004

Manufacturer Part Number
zxre1004
Description
Zxre1004 - Sot23 Micropower 4?a 1.22v Voltage Reference
Manufacturer
Zetex Semiconductors plc.
Datasheet

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SOT23 MICROPOWER (4µA) 1.22V VOLTAGE REFERENCE
DESCRIPTION
The ZXRE1004 is a 1.22 volt bandgap reference circuit
designed for ultra low current operation, typically 4 µ A.
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
FEATURES
SCHEMATIC DIAGRAM
APPLICATIONS
ISSUE 3 - JANUARY 2003
High performance alternative to REF1004, LT1004
and LM185/385 references
4 µ A typical knee current
Small outline SOT23 package
E-Line alternative available
20ppm/°C typical temperature coefficient
Unconditionally stable
0.5%, 1%, 2% and 3% tolerance
Contact Zetex marketing for availability of tighter
tolerance devices
V
G
R
nd
1
APPLICATIONS CIRCUIT
Ultra low quiescent reference from a 1.5V battery
source.
maintained over the 8 µ A 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 an E-Line
(TO92 style) equivalent.
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
1.5V
27k
1.22V
ZXRE1004

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zxre1004 Summary of contents

Page 1

... 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 an E-Line (TO92 style) equivalent. ...

Page 2

... ZXRE1004 ABSOLUTE MAXIMUM RATINGS Reverse Current 30mA Forward Current 10mA Operating temperature. -40 to 85°C Storage temperature. -55 to 125°C ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) T SYMBOL PARAMETER V Reverse Breakdown Voltage R I Minimum Knee Current MIN I Recommended Operating R Current Range T † ...

Page 3

... Slope Resistance v Frequency 120 140 ZXRE1004 - Temperature (°C) Temperature Drift 20mA 1mA 100µA 0 100 Frequency (kHz 100 Reference Current (µA) Noise Voltage ...

Page 4

... E-Line ZXRE1004FR † 3 E-Line †Contact Zetex marketing for availability of these package options NOTE: for tape and reel options add suffix TA to the part number eg ZXRE1004DFTA Connection Diagrams SOT23 Package Suffix – F Top View – Pin 1 floating or connected to pin 2 Zetex plc. Fields New Road, Chadderton, Oldham, OL9-8NP, United Kingdom. ...

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