REF196GSZ Analog Devices, REF196GSZ Datasheet

REF196GSZ

Manufacturer Part Number

REF196GSZ

Description

Manufacturer

Analog Devices

Datasheets

1.REF191.pdf (28 pages)

2.REF196GSZ.pdf (28 pages)

Specifications of REF196GSZ

1148

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FEATURES

Initial accuracy: ±2 mV maximum

Temperature coefficient: 5 ppm/°C maximum

Low supply current: 45 μA maximum

Sleep mode: 15 μA maximum

Low dropout voltage

Load regulation: 4 ppm/mA

Line regulation: 4 ppm/V

High output current: 30 mA

Short-circuit protection

APPLICATIONS

Portable instruments

ADCs and DACs

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_N package;

the PDIP and TSSOP packages are available only in the lowest

electrical grade. Products are also available in die form.

Rev. I

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

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

Tel: 781.329.4700

Fax: 781.461.3113

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 resistance

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

Figure 1. 8-Lead SOIC_N and TSSOP Pin Configuration

Figure 2. 8-Lead PDIP Pin Configuration

SLEEP

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.

Voltage References

(S Suffix and RU Suffix)

Nominal Output Voltage (V)

2.048

2.50

3.00

4.50

5.00

3.30

4.096

(Not to Scale)

REF19x

SERIES

TOP VIEW

REF19x

SERIES

TOP VIEW

(P Suffix)

REF19x Series

OUTPUT

www.analog.com

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