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| 型号： | ADR280ARTZ-R2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 1.2V SOT23-3 |
| 设计资源： | 4 mA-to-20 mA Loop-Powered Temperature Monitor Using ADuC7060/1 (CN0145) |
| 标准包装： | 250 |
| 基准类型： | 串联，精度 |
| 输出电压： | 1.2V |
| 容差： | ±0.4% |
| 温度系数： | 40ppm/°C |
| 输入电压： | 2.4 V ~ 5.5 V |
| 通道数： | 1 |
| 电流 - 静态： | 16µA |
| 电流 - 输出： | 100µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 带卷 (TR) |
1.2 V Ultralow Power
High PSRR Voltage Reference
ADR280
FEATURES
1.2 V precision output
Excellent line regulation: 2 ppm/V typical
PIN CONFIGURATIONS
V+ 1
High power supply ripple rejection: –80 dB at 220 Hz
ADR280
3
V–
Ultralow power supply current: 16 μA maximum
Temperature coefficient: 40 ppm/°C maximum
Low noise, 12.5 nV/√Hz typical
Operating supply range, 2.4 V to 5.5 V
Compact 3-lead SOT-23 and SC70 packages
APPLICATIONS
V OUT 2
Figure 1. 3-Lead SOT-23
(RT Suffix)
V OUT 1
List GSM, GPRS, 3G mobile stations
Portable battery-operated electronics
V+ 2
ADR280
3
V–
Low voltage converter references
Wireless devices
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
15
10
Figure 2. 3-Lead SC70
(KS Suffix)
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.
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
5
0
–5
–10
3V T O 5V
the user’s design, but compromises on the cost, form factor, and
flexibility. The ADR280, on the other hand, optimizes the band
–15
–40
–20
0
20 40
TEMPERATURE (°C)
60
80
100
gap core voltage and allows users to tailor the voltage, current,
or transient response by simply adding their preferred op amps.
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 registered trademarks are the property of their respective owners.
Figure 3. Line Regulation vs. Temperature
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2002–2007 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADR280ARTZ-R2 | 制造商:Analog Devices 功能描述:IC SERIES V-REF 1.2V 5mV 3-SOT-23 制造商:Analog Devices 功能描述:IC, SERIES V-REF, 1.2V, 5mV, 3-SOT-23 |
| ADR280ARTZ-R21 | 制造商:AD 制造商全称:Analog Devices 功能描述:1.2 V Ultralow Power High PSRR Voltage Reference |
| ADR280ARTZ-REEL7 | 功能描述:IC VREF SERIES PREC 1.2V SOT23-3 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
| ADR280ARTZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:1.2 V Ultralow Power High PSRR Voltage Reference |
| ADR290 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Noise Micropower Precision Voltage References |
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