Date: 2/11/06

SPX385-5.0 Micropower Voltage Reference

© Copyright 2005 Sipex Corporation

1

FEATURES

■ Trimmed Bandgap ..........................................1%

■ Wide Operating Current ............... 50µA to 20mA

■ Extended Temperature Range ... -40°C to +85°C

■ Dynamic Impedance .............................. 1Ω max

■ Offered in Small SOT-23, TO-92, NSOIC, and

SOT-89

■ Low Cost Solution

5V Micropower Voltage Reference

SPX385-5.0

The SPX385-5.0 is a micropower 2-terminal band-gap voltage reference with a very wide

operating current range from 50µA to 20mA that provides a stable voltage.

The SPX385-5.0 is available in SOT-23, TO-92, NSOIC, and SOT-89 packages with an

operating temperature range of -40°C to 85°C. A 1.2 and 2.5 volt device are also available -

SPX385-1.2, SPX385-2.5.

Figure 1: Block Diagram

APPLICATIONS

■ Battery Operated Equipment

■ Adjustable Supplies

■ Switching Power Supplies

■ Error Amplifiers

■ Single Supply Amplifier

Anode (A)

Cathode (K)

1.25V

+

-

1.5M

500k

DESCRIPTION

BLOCK DIAGRAM

■ Monitors / VCR / TV

■ Personal Computers

■ Power use meter

SPX385

3 Pin SOT-23

Cathode

N/C

Anode

1

2

3

4

5

6

7

8

8 Pin nSOIC

NC

SPX385

NC

NC

Anode

NC

NC

NC

Cathode

Now Available in Lead Free Packaging