TS821ILT datasheet(1/9 Pages) STMICROELECTRONICS

Part #	TS821ILT

Description	1.225V micropower shunt voltage reference

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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July 2007

Rev 2

1/9

9

TS821

1.225V micropower shunt voltage reference

Features

■ 1.225V typical output voltage

■ Ultra low operating current: 45

μA maximum at

25°C

■ High precision @ 25°C

– +/- 2% (standard version)

– +/- 1% (A grade)

– +/- 0.5% (B grade)

■ High stability when used with capacitive loads

■ Industrial temperature range: -40°C to +85°C

■ 120ppm/°C maximum temperature coefficient

Applications

■ Computers

■ Instrumentation

■ Battery chargers

■ Switch mode power supply

■ Battery operated equipment

Description

The TS821 is a low power shunt voltage reference

providing a stable 1.225V output voltage over the

industrial temperature range (-40°C to +85°C).

Availabe in SOT23-3 surface mount package, it

can be designed in applications where space

saving is critical.

The low operating current is a key advantage for

power restricted designs. In addition, the TS821 is

very stable and can be used in a broad range of

application conditions.

L

SOT23-3L

(Plastic micropackage)

Pin connections

(Top view)

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