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| 型號(hào)： | AD8219BRMZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 332K |
| 描述： | IC CURRENT MONITOR UNI-DIR 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 功能： | 電流監(jiān)控器 |
| 檢測(cè)方法： | 高端 |
| 精確度： | ±0.3% |
| 輸入電壓： | 4 V ~ 80 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
Zero Drift, Unidirectional
Current Shunt Monitor
AD8219
Rev. A
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.
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
?011 Analog Devices, Inc. All rights reserved.
FEATURES
High common-mode voltage range
4 V to 80 V operating
0.3 V to +85 V survival
Buffered output voltage
Gain = 60 V/V
Wide operating temperature range: 40癈 to +125癈
Excellent ac and dc performance
?00 nV/癈 typical offset drift
?0 礦 typical offset
? ppm/癈 typical gain drift
110 dB typical CMRR at dc
APPLICATIONS
High-side current sensing
48 V telecom
Power management
Base stations
Unidirectional motor control
Precision high voltage current sources
FUNCTIONAL BLOCK DIAGRAM
LDO
R2
R1
AD8219
R4
R3
+IN
S
IN
OUT
GND
Figure 1.
GENERAL DESCRIPTION
The AD8219 is a high voltage, high resolution, current shunt
amplifier. It features a set gain of 60 V/V, with a maximum
?.3% gain error over the entire temperature range. The
buffered output voltage directly interfaces with any typical
converter. The AD8219 offers excellent input common-mode
rejection from 4 V to 80 V . The AD8219 performs unidirectional
current measurements across a shunt resistor in a variety of
industrial and telecom applications including motor control,
power management, and base station power amplifier bias
control.
The AD8219 offers breakthrough performance throughout
the 40癈 to +125癈 temperature range. It features a zero
drift core, which leads to a typical offset drift of ?00 nV/癈
throughout the operating temperature and common-mode
voltage range. Special attention is devoted to output linearity
being maintained throughout the input differential voltage range,
regardless of the common-mode voltage present, while the
typical input offset voltage is ?0 糣.
The AD8219 is offered in a 8-lead MSOP package.
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