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參數資料
| 型號： | AD8218BRMZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 354K |
| 描述： | IC CURRENT MONITOR BI-DIR 8MSOP |
| 標準包裝： | 1,000 |
| 功能： | 電流監(jiān)控器 |
| 檢測方法： | 高端 |
| 精確度： | ±0.35% |
| 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） |
| 供應商設備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
Zero Drift, Bidirectional
Current Shunt Monitor
Data Sheet
AD8218
Rev. B
Document Feedback
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?0112013 Analog Devices, Inc. All rights reserved.
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FEATURES
High common-mode voltage range
4 V to 80 V operating
0.3 V to +85 V survival
Buffered output voltage
Gain = 20 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
Bidirectional motor control
Precision high voltage current sources
FUNCTIONAL BLOCK DIAGRAM
LDO
R2
R1
AD8218
R4
R3
+IN
IN
OUT
NB
REF
GND
V
S
Figure 1.
GENERAL DESCRIPTION
The AD8218 is a high voltage, high resolution current shunt
amplifier. It features a set gain of 20 V/V, with a maximum
?.35% gain error over the entire temperature range. The
buffered output voltage directly interfaces with any typical
converter. The AD8218 offers excellent input common-mode
rejection from 4 V to 80 V . The AD8218 performs bidirectional
current measurements across a shunt resistor in a variety of
industrial and telecom applications, including motor control,
battery management, and base station power amplifier bias
control.
The AD8218 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 range and the common-mode voltage
range. Special attention is devoted to output linearity being
maintained throughout the input differential voltage range of
0 mV to ~250 mV. The AD8218 also includes an internal 80 mV
reference that can be enabled for optimal dynamic range in
unidirectional current sense applications. The typical input
offset voltage is ?0 礦.
The AD8218 is offered in an 8-lead MSOP package and an
8-lead LFCSP package.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8218BRMZ-RL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Zero Drift, Bidirectional Current Shunt Monitor |
| AD8219 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Zero Drift, Unidirectional Current Shunt Monitor |
| AD8219BRMZ | 功能描述:IC CURRENT MONITOR UNI-DIR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 功能:電流開關 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應商設備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
| AD8219BRMZ_PROMO | 制造商:Analog Devices 功能描述:IC CURRENT MONITOR UNI-DIR |
| AD8219BRMZ-RL | 功能描述:IC CURRENT MONITOR UNI-DIR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 功能:電流開關 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應商設備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
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