Datasheet > ADR280AKSZ-REEL71

ADR280AKSZ-REEL71

更新时间： 2024-02-06 08:48:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	849K
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1.2 V Ultralow Power High PSRR Voltage Reference

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1.2 V Ultralow Power

High PSRR Voltage Reference

ADR280

FEATURES

PIN CONFIGURATIONS

1.2 V precision output

V+

Excellent line regulation: 2 ppm/V typical

High power supply ripple rejection: –80 dB at 220 Hz

Ultralow power supply current: 16 μA maximum

Temperature coefficient: 40 ppm/°C maximum

Low noise, 12.5 nV/√Hz typical

ADR280

V–

OUT

Figure 1. 3-Lead SOT-23

(RT Suffix)

Operating supply range, 2.4 V to 5.5 V

Compact 3-lead SOT-23 and SC70 packages

OUT

V+

APPLICATIONS

ADR280

V–

List GSM, GPRS, 3G mobile stations

Portable battery-operated electronics

Low voltage converter references

Wireless devices

Figure 2. 3-Lead SC70

(KS Suffix)

GENERAL DESCRIPTION

The ADR280 is a 1.2 V 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 that

have an analog baseband IC with on-board baseband, audio

codecs, voltage regulators, and battery chargers rely on the

ability of the ADR280 to reject input battery voltage variations

during RF power amplifier activity.

3V TO 5V

–5

–10

–15

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.

–40

–20

100

TEMPERATURE (°C)

Figure 3. Line Regulation vs. Temperature

The ADR280 operates on a wide supply voltage range from

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

SC70 packages. The device is specified over the extended indus-

trial temperature range of −40°C to +85°C.

Rev. C

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 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 www.analog.com

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与ADR280AKSZ-REEL71相关器件

型号	品牌	获取价格	描述	数据表
ADR280ART-R	ADI	获取价格	暂无描述
ADR280ART-R2	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
ADR280ART-REEL	ADI	获取价格	1.2 V Ultralow Power High PSRR Voltage Reference
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
ADR290	ADI	获取价格	Low Noise Micropower Precision Voltage References
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

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