FUNCTIONAL BLOCK DIAGRAM

REV. C

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a

High Precision

5 V Reference

AD586

FEATURES

Laser Trimmed to High Accuracy:

5.000 V

2.0 mV (M Grade)

Trimmed Temperature Coefficient:

2 ppm/ C max, 0 C to +70 C (M Grade)

5 ppm/ C max, –40 C to +85 C (B & L Grades)

10 ppm/ C max, –55 C to +125 C (T Grade)

Low Noise, 100 nV/

√Hz

Noise Reduction Capability

Output Trim Capability

MIL-STD-883 Compliant Versions Available

Industrial Temperature Range SOICs Available

Output Capable of Sourcing or Sinking 10 mA

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

PRODUCT DESCRIPTION

The AD586 represents a major advance in the state-of-the-art in

monolithic voltage references. Using a proprietary ion-implanted

buried Zener diode and laser wafer trimming of high stability

thin-film resistors, the AD586 provides outstanding perfor-

mance at low cost.

The AD586 offers much higher performance than most other

5 V references. Because the AD586 uses an industry standard

pinout, many systems can be upgraded instantly with the

AD586. The buried Zener approach to reference design pro-

vides lower noise and drift than bandgap voltage references. The

AD586 offers a noise reduction pin which can be used to further

reduce the noise level generated by the buried Zener.

The AD586 is recommended for use as a reference for 8-, 10-,

12-, 14- or 16-bit D/A converters which require an external

precision reference. The device is also ideal for successive

approximation or integrating A/D converters with up to 14 bits

of accuracy and, in general, can offer better performance than

the standard on-chip references.

The AD586J, K, L and M are specified for operation from 0

°C

to +70

°C, the AD586A and B are specified for –40°C to +85°C

operation, and the AD586S and T are specified for –55

°C to

+125

°C operation. The AD586J, K, L and M are available in an

8-pin plastic DIP. The AD586J, K, L, A and B are available in

an 8-pin plastic surface mount small outline (SO) package. The

AD586J, K, L, S and T are available in an 8-pin cerdip package.

PRODUCT HIGHLIGHTS

1. Laser trimming of both initial accuracy and temperature

coefficients results in very low errors over temperature with-

out the use of external components. The AD586M has a

maximum deviation from 5.000 V of

±2.45 mV between

0

°C and +70°C, and the AD586T guarantees ±7.5 mV

maximum total error between –55

°C and +125°C.

2. For applications requiring higher precision, an optional fine-

trim connection is provided.

3. Any system using an industry standard pinout reference can

be upgraded instantly with the AD586.

4. Output noise of the AD586 is very low, typically 4

µV p-p. A

noise reduction pin is provided for additional noise filtering

using an external capacitor.

5. The AD586 is available in versions compliant with MIL-

STD-883. Refer to the Analog Devices Military Products

Databook or current AD586/883B data sheet for detailed

specifications.