Datasheet > ADR121

ADR121

更新时间： 2024-09-23 04:04:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	588K
描述
Precision, Micropower LDO Voltage References in TSOT

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ADR121 数据手册

Precision, Micropower LDO Voltage

References in TSOT

ADR121/ADR125/ADR127

FEATURES

PIN CONFIGURATION

Initial accuracy

A grade: 0.24%

B grade: 0.12%

Maximum tempco

GND

ADR12x

TOP VIEW

(Not to Scale)

OUT

A grade: 25 ppm/°C

B grade: 9 ppm/°C

NC = NO CONNECT

MUST BE LEFT FLOATING

Low dropout: 300 mV for ADR121, ADR125

High output current: +5 mA/−2 mA

Low typical operating current: 85 μA

Input range: 2.7 V to 18 V

Temperature range: −40°C to +125°C

Tiny TSOT (UJ-6) package

Figure 1.

APPLICATIONS

Battery-powered instrumentation

Portable medical equipment

Data acquisition systems

Automotive

GENERAL DESCRIPTION

The ADR121/ADR125/ADR127 are a family of micropower,

high precision, series mode, band gap references with sink and

source capability. The parts feature high accuracy and low

power consumption in a tiny package. The ADR12x design

includes a patented temperature drift curvature correction

technique that minimizes the nonlinearities in the output

voltage vs. temperature characteristics.

The ADR12x is a low dropout voltage reference, requiring only

300 mV for ADR121/ADR125 and 1.45 V for ADR127 above

the nominal output voltage on the input to provide a stable

output voltage. This low dropout performance coupled with the

low 85 μA operating current makes the ADR12x ideal for

battery-powered applications.

Available in an extended industrial temperature range of −40°C

to +125°C, the ADR12x is housed in the tiny TSOT (UJ-6)

package.

Rev. 0

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 ofthird parties that may result fromits 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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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