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ZREF12

Zetex Semiconductors
Part Number ZREF12
Manufacturer Zetex Semiconductors
Description PRECISION 1.25 VOLT MICROPOWER VOLTAGE REFERENCE
Published Apr 17, 2005
Detailed Description PRECISION 1.25 VOLT MICROPOWER VOLTAGE REFERENCE ISSUE 2 - MARCH 1998 DEVICE DESCRIPTION The ZREF12 uses a bandgap circu...
Datasheet PDF File ZREF12 PDF File

ZREF12
ZREF12

Overview
PRECISION 1.
25 VOLT MICROPOWER VOLTAGE REFERENCE ISSUE 2 - MARCH 1998 DEVICE DESCRIPTION The ZREF12 uses a bandgap circuit design to achieve a precision micropower voltage reference of 1.
24 volts.
The device is available in a small outline surface mount package, ideal for applications where space saving is important, as well as packages for through hole requirements.
The ZREF12 design provides a stable voltage without an external capacitor and is stable with capacitive loads.
The ZREF12 is recommended for operation between 50µA and 5mA and so is ideally suited to low power and battery powered applications.
Excellent performance is maintained to an 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.
ZREF12 FEATURES • • • • • • • • • • • • • • • Small outline SO8 and TO92 style packages No stabilising capacitor required Typical TC 30ppm/°C Typical slope resistance 0.
65Ω ± 1% tolerance Industrial temperature range (Military temperature range available on request) Operating current 50µA to 5mA Transient response, stable in less than 10µs Alternative package options and tolerances available Battery powered and portable equipment.
Metering and measurement systems.
Instrumentation.
Precision power supplies.
Test equipment.
Data acquisition systems APPLICATIONS SCHEMATIC DIAGRAM V R G nd 4-267 ZREF12 ABSOLUTE MAXIMUM RATING Reverse Current Forward Current Operating Temperature Storage Temperature 25mA 25mA -40 to 85°C -55 to 125°C Power Dissipation (Tamb=25°C) E-Line, 3 pin (TO92) 500mW E-Line, 2 pin (TO92) 500mW SO8 625mW ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) Tamb=25°C SYMBOL PARAMETER CONDITIONS MIN VR IMIN IR TC † RS § ZR Reverse Breakdown Voltage Minimum Operating Current Recommended Operating Current Average Reverse ...


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