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SPX385AS-2.5

Description
Micropower Voltage Reference
CategoryPower/power management    The power supply circuit   
File Size138KB,9 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric View All

SPX385AS-2.5 Overview

Micropower Voltage Reference

SPX385AS-2.5 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
package instructionSOP, SOP8,.25
Reach Compliance Codeunknow
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output voltage2.525 V
Minimum output voltage2.475 V
Nominal output voltage2.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height1.75 mm
surface mountYES
technologyBIPOLAR
Maximum voltage temperature coefficient100 ppm/°C
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
Fine-tuning/adjustable outputYES
Maximum voltage tolerance1%
width3.9 mm
Base Number Matches1
SPX385-2.5
Micropower Voltage Reference
FEATURES
Trimmed Bandgap ............................ 1% and 2%
Wide Operating Current ............... 20µA to 20mA
Extended Temperature Range ... -40°C to +85°C
Dynamic Impedance .............................. 1Ω max
Offered in SOT-23, TO-92, SOIC, and SOT-89
Improved Replacement for LM185/285/385-2.5V,
AS385-2.5
Low Cost Solution
APPLICATIONS
Battery Operating Equipment
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
N/C
SPX385
3 Pin SOT-23
Cathode
Anode
Refer to page 4 for pinouts.
DESCRIPTION
The SPX385-2.5 is a micropower 2-terminal band-gap voltage reference with a very wide
operating current range from 20µA to 20mA that provides a stable voltage. The high stability of
this device is primarily the result of the low temperature coefficient Thin Film Resistor process and
Laser Trimming of the output voltage at the wafer level.
The SPX385-2.5 is available in a SOT-23, TO-92, SOIC-8 and SOT-89 package with an operating
temperature range of -40°C to 85°C. A 1.2 and 5 volt device is also available - SPX385-1.2 and
SPX385-5.
BLOCK DIAGRAM
Cathode (K)
500k
+
-
500k
1.25V
Figure 1: Block Diagram
Date:05/21/04
Anode (A)
SPX385-2.5 Micropower Voltage Reference
© Copyright 2004 Sipex Corporation
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