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2

1161 Ringwood Ct, #110, San Jose, CA 95131, U. S. A. Tel.: (408) 748-9100, Fax: (408) 770-9187

www.analogtechnologies.com

Analog Technologies

ATREF500

High Precision Voltage Reference

SELECTION GUIDE

Table 1. Selection Guide.

Part #

Initial

Accuracy

Temperature

Coefficient

(ppm/

°C)

ATREF500

2.048

±1

1

ATREF501

2.500

±1

1

ATREF502

3.000

±1

1

ATREF503

4.096

±1

1

ATREF504

5.000

±1

1

SPECIFICATIONS

Table 2. Pin Function Descriptions

Pin

#

Pin Name

Type

Description

1

VOUT

Analog Output

Output voltage.

2

GND

Signal Ground

Signal ground pin.

3

VIN

Power Input

Power supply voltage.

Table 3. Characteristics.

Parameter

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Power Supply Input

Input Voltage Range

18

V

Input Current

10

18

20

mA

Voltage Output

Output Voltage

2.048

5

V

Output Current

5

10

10

mA

Temperature Drift

1

ppm/°C

Operating Temp. Range

‒

40

125

°C