ADR280ART-REEL

更新时间： 2024-09-26 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		电源电路参考电压源光电二极管
页数	文件大小	规格书
8页	472K
描述
1.2 V Ultralow Power High PSRR Voltage Reference

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ADR280ART-REEL 数据手册

1.2 V Ultralow Power

High PSRR Voltage Reference

ADR280

FEATURES

PIN CONFIGURATIONS

1.2V Precision Output

3-Lead SOT-23

(RT Sufﬁx)

Excellent Line Regulation, 2 ppm/VTypical

High Power Supply Ripple Rejection, –80 dB at 220 Hz

Ultralow Power, Supply Current 16 A Maximum

Temperature Coefﬁcient, 40 ppm/^oC Maximum

Low Noise, 12.5 nV/÷HzTypical

V+

V–

ADR280

Operating Supply Range, 2.4V to 5.5V

Compact 3-Lead SOT-23 and SC70 Packages

OUT

APPLICATIONS

GSM, GPRS, 3G Mobile Stations

Portable Battery-Operated Electronics

LowVoltage Converter References

Wireless Devices

3-Lead SC70

(KS Sufﬁx)

OUT

V–

ADR280

GENERAL DESCRIPTION

The ADR280 is a 1.2V band gap core reference with excellent

line regulation and power supply rejection designed speciﬁcally

for applications experiencing heavy dynamic supply variations,

such as data converter references in GSM, GPRS, and 3G

mobile station applications. Devices such as the AD6535, which

has an analog baseband IC with on-board baseband and audio

codecs, voltage regulators, and battery charger, rely on the

ADR280’s ability to reject input battery voltage variations during

RF power ampliﬁer activity.

V+

In addition to mobile stations, the ADR280 is suitable for a

variety of general-purpose applications. Most band gap refer-

ences include internal gain for speciﬁc outputs, which simpliﬁes

the user’s design but compromises on the cost, form factor, and

ﬂexibility.The ADR280, on the other hand, optimizes the band

gap core voltage and allows users to tailor the voltage, current, or

transient response by simply adding their preferred op amps.

3VTO 5V

–5

–10

–15

The ADR280 operates on a wide supply voltage range from 2.4V

to 5.5V. It is available in compact 3-lead SOT-23 and SC70

packages.The device is speciﬁed over the extended industrial

temperature range of –40°C to +85°C.

–40

–20

100

TEMPERATURE (C)

Figure 1. Line Regulation vs.Temperature

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed byAnalog Devices for its

use, nor for any infringements of patents or other rights of third parties

that may result from its use. No license is granted by implication or oth-

erwise under any patent or patent rights of Analog Devices.Trademarks

andregisteredtrademarksarethepropertyoftheirrespectivecompanies.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

12 3 4 5 6 7 8

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与ADR280ART-REEL相关器件

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ADR280ART-REEL7	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
ADR280ARTZ-R2	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
ADR280ARTZ-R21	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
ADR280ARTZ-REEL71	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
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ADR290ER	ADI	获取价格	Low Noise Micropower Precision Voltage References
ADR290ER-REEL	ADI	获取价格	Low Noise Micropower Precision Voltage References
ADR290ER-REEL7	ADI	获取价格	Low Noise Micropower Precision Voltage References
ADR290ER-RELL	ADI	获取价格	Low Noise Micropower Precision Voltage References
ADR290FR	ADI	获取价格	Low Noise Micropower Precision Voltage References

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