spx385am1-l-2-5-tr Exar Corporation, spx385am1-l-2-5-tr Datasheet

spx385am1-l-2-5-tr

Manufacturer Part Number

spx385am1-l-2-5-tr

Description

2.5 -micropower Voltage Reference

Manufacturer

Exar Corporation

Datasheet

1.SPX385AM1-L-2-5-TR.pdf (9 pages)

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FEATURES

APPLICATIONS

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.

Date: 02/29/2008

Figure 1: Block Diagram

Temp Co 140ppm/°C

Battery Operating Equipment

Adjustable Supplies

Switching Power Supplies

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

500k

SPX385-2.5 Micropower Voltage Reference

1.25V

Micropower Voltage Reference

Refer to page 4 for pinouts.

Cathode (K)

Error Amplifiers

Single Supply Amplifier

Monitors / VCR / TV

Personal Computers

Anode (A)

Now Available in Lead Free Packaging

Cathode

3 Pin SOT-23

SPX385

SPX385-2.5

N/C

BLOCK DIAGRAM

DESCRIPTION

Anode

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