Advanced Monolithic Systems, Inc.

6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

Advanced

AMS1009

Monolithic

VOLTAGE REFERENCE DIODE

Systems

FEATURES

APPLICATIONS

•• ±5 mV (±0.2%) Max. Initial Tolerance (A grade)

•• Power Supplies

•• Wide Operating Current Range

•• Instrumentation

•• Low Voltage Reference 2.5V

•• 8 Bit A/D, D/A Reference

•• Max. 0.6Ω

Ω Dynamic Impedance (A grade)

•• Current Loop Measurement and Control Systems

•• Low Temperature Coefficient

•• Reference for 5V Systems

GENERAL DESCRIPTION

The AMS1009 is a precision band-gap voltage reference diode. This voltage reference features a very low dynamic impedance

and good temperature coefficient, operating over a wide current range of 400µA to 10mA. On-chip trimming is used to

provide tight tolerance and minimize temperature drift. A third terminal allows the reference voltage to be adjusted to

±5% to

calibrate out system errors.

The AMS1009 is used as a precision 2.5V low voltage reference for digital voltmeters, power supplies or op amp circuitry,

and the 2.5V make it easy to obtain a stable reference from 5V logic supplies.

The AMS1009 is available in TO-92 and SO-8 packages operating over a 0

°C to 70°C temperature range.

ORDERING INFORMATION:

TOL.

PACKAGE TYPE

OPERATING

TO-92

8 LEAD SOIC

TEMPERATURE RANGE

±

5mV

AMS1009AN

AMS1009AS

0 to 70

° C

±

10mV

AMS1009BN

AMS1009BS

0 to 70

° C

PIN CONNECTIONS

TO-92

8L SOIC

Plastic Package (N)

SO Package (S)

1

2

3

1

2

8

4

3

7

5

6

N/C ADJ

N/C

N/C N/C

N/C

+

-

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