ZRA125 Zetex Semiconductors, ZRA125 Datasheet

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ZRA125

Manufacturer Part Number
ZRA125
Description
PRECISION 1.25 VOLT MICROPOWER VOLTAGE REFERENCE
Manufacturer
Zetex Semiconductors
Datasheet
PRECISION 1.25 VOLT MICROPOWER VOLTAGE REFERENCE
DESCRIPTION
The ZRA125 uses a bandgap circuit design to achieve a
precision micropower voltage reference of 1.25 volts.
The device is available in small outline surface mount
packages, ideal for applications where space saving is
important.
The ZRA125 design provides a stable voltage without
an external capacitor and is stable with capacitive
loads. The ZRA125 is recommended for operation
between 50 A and 5mA and so is ideally suited to low
power and battery powered applications.
Excellent performance is maintained to a suggested
absolute maximum of 25mA, however the rugged
design and 20 volt processing allows the reference to
withstand transient effects and currents up to 200mA.
Superior switching capability allows the device to
reach stable operating conditions in only a few
microseconds.
SCHEMATIC DIAGRAM
ISSUE 3 - MARCH 2004
1
FEATURES
APPLICATIONS
No stabilizing capacitor required
Typical T
Typical slope resistance 0.65
± 3% and 2% tolerance
Industrial temperature range
Operating current 50 A to 5mA
Transient response, stable in less than 10 s
Small outline SOT23 package
Battery powered and portable equipment
Metering and measurement systems
Instrumentation
Data acquisition systems
Precision power supplies
Test equipment
C
30ppm/°C
S E M I C O N D U C T O R S
ZRA125

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ZRA125 Summary of contents

Page 1

... PRECISION 1.25 VOLT MICROPOWER VOLTAGE REFERENCE DESCRIPTION The ZRA125 uses a bandgap circuit design to achieve a precision micropower voltage reference of 1.25 volts. The device is available in small outline surface mount packages, ideal for applications where space saving is important. The ZRA125 design provides a stable voltage without an external capacitor and is stable with capacitive loads ...

Page 2

... ZRA125 ABSOLUTE MAXIMUM RATINGS Reverse current 25mA Forward current 25mA Operating temperature -40 to 85°C Storage temperature -55 to 150°C POWER DISSAPATION (T = 25°C) amb SOT23 330mW ELECTRICAL CHARACTERISTICS (at T SYMBOL PARAMETER V Reverse breakdown voltage R I Minimum operating current MIN I Recommended operating ...

Page 3

... ISSUE 3 - MARCH 2004 TYPICAL CHARACTERISTICS 3 ZRA125 ...

Page 4

... ZRA125 CONNECTION DIAGRAM Package Suffix - F TOP VIEW Pin 1 floating or connected to pin 2 ORDERING INFORMATION Part Number Tol % ZRA125F02TA 2 ZRA125F03TA Package Part Mark Reel Size SOT23 12B 7” SOT23 12A 7” 4 Quantity per reel 3,000 3,000 ...

Page 5

... Metroplaza Tower 1 Hing Fong Road, Kwai Fong Hong Kong Telephone: (852) 26100 611 Fax: (852) 24250 494 asia.sales@zetex.com 5 ZRA125 Corporate Headquaters Zetex plc Fields New Road, Chadderton Oldham, OL9 8NP United Kingdom Telephone (44) 161 622 4444 Fax: (44) 161 622 4446 hq@zetex ...

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