REF192ESZREEL7 Analog Devices, REF192ESZREEL7 Datasheet

REF192ESZREEL7

Manufacturer Part Number

REF192ESZREEL7

Description

SOP8

Manufacturer

Analog Devices

Datasheet

1.REF196GSZ.pdf (28 pages)

Specifications of REF192ESZREEL7

Date_code

09+

Current page: 1 of 28
Download datasheet (2Mb)

FEATURES

Initial accuracy: ±2 mV max

Temperature coefficient: 5 ppm/°C max

Low supply current: 45 μA max

Sleep mode: 15 μA max

Low dropout voltage

Load regulation: 4 ppm/mA

Line regulation: 4 ppm/V

High output current: 30 mA

Short-circuit protection

APPLICATIONS

Portable instruments

A/D and D/A converters

Smart sensors

Solar-powered applications

Loop-current-powered instruments

GENERAL DESCRIPTION

The REF19x series precision band gap voltage references use a

patented temperature drift curvature correction circuit and

laser trimming of highly stable, thin-film resistors to achieve a

very low temperature coefficient and high initial accuracy.

The REF19x series is made up of micropower, low dropout

voltage (LDV) devices, providing stable output voltage from

supplies as low as 100 mV above the output voltage and

consuming less than 45 μA of supply current. In sleep mode,

which is enabled by applying a low TTL or CMOS level to the

SLEEP pin, the output is turned off and supply current is

further reduced to less than 15 μA.

The REF19x series references are specified over the extended

industrial temperature range (−40°C to +85°C) with typical

performance specifications over −40°C to +125°C for

applications, such as automotive.

All electrical grades are available in an 8-lead SOIC package; the

PDIP and TSSOP packages are available only in the lowest

electrical grade. Products are also available in die form.

Rev. H

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

Precision Micropower, Low Dropout

TEST PINS

Test Pin 1 and Test Pin 5 are reserved for in-package Zener zap.

To achieve the highest level of accuracy at the output, the Zener

zapping technique is used to trim the output voltage. Since each

unit may require a different amount of adjustment, the resis-

tance value at the test pins varies widely from pin to pin and

from part to part. The user should leave Pin 1 and Pin 5

unconnected.

Table 1. Nominal Output Voltage

Part Number

REF191

REF192

REF193

REF194

REF195

REF196

REF198

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

Tel: 781.329.4700

Fax: 781.461.3113

Figure 1. 8-Lead SOIC and TSSOP Pin Configuration

SLEEP

Figure 2. 8-Lead PDIP Pin Configuration

NOTES

1. NC = NO CONNECT.

2. TP PINS ARE FACTORY TEST

NOTES

1. NC = NO CONNECT.

2. TP PINS ARE FACTORY TEST

GND

POINTS, NO USER CONNECTION.

(S Suffix and RU Suffix)

Nominal Output Voltage (V)

2.048

2.50

3.00

4.50

5.00

3.30

4.096

Voltage References

(Not to Scale)

REF19x

SERIES

TOP VIEW

REF19x

SERIES

TOP VIEW

(P Suffix)

REF19x Series

OUTPUT

www.analog.com

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