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參數資料
| 型號： | AD8210_06 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Voltage, Bidirectional Current Shunt Monitor |
| 中文描述： | 高壓，雙向電流并聯監視器 |
| 文件頁數： | 10/16頁 |
| 文件大?。?/td> | 287K |
| 代理商： | AD8210_06 |
AD8210
THEORY OF OPERATION
In typical applications, the AD8210 amplifies a small differential
input voltage generated by the load current flowing through a
shunt resistor. The AD8210 rejects high common-mode voltages
(up to 65 V) and provides a ground referenced buffered output
that interfaces with an analog-to-digital converter. Figure 26
shows a simplified schematic of the AD8210.
Rev. 0 | Page 10 of 16
The AD8210 is comprised of two main blocks, a differential
amplifier and an instrumentation amplifier. A load current
flowing through the external shunt resistor produces a voltage
at the input terminals of the AD8210. The input terminals are
connected to the differential amplifier (A1) by Resistor R1 and
Resistor R2. A1 nulls the voltage appearing across its own input
terminals by adjusting the current through R1 and R2 with
Transistor Q1 and Transistor Q2. When the input signal to the
AD8210 is 0 V, the currents in R1 and R2 are equal. When the
differential signal is nonzero, the current increases through one
of the resistors and decreases in the other. The current
difference is proportional to the size and polarity of the input
signal.
The differential currents through Q1 and Q2 are converted into
a differential voltage by R3 and R4. A2 is configured as an
instrumentation amplifier. The differential voltage is converted
into a single-ended output voltage by A2. The gain is internally
set with precision trimmed, thin film resistors to 20 V/V.
The output reference voltage is easily adjusted by the V
REF
1 pin
and V
REF
2 pin. In a typical configuration, V
REF
1 is connected to
V
CC
while V
REF
2 is connected to GND. In this case, the output is
centered at V
CC
/2 when the input signal is 0 V.
I
SHUNT
R
SHUNT
AD8210
V
OUT
= (I
SHUNT
× R
SHUNT
) × 20
A2
R1
R2
V
S
V
REF
1
V
REF
2
GND
0
A1
R3
R4
Q1
Q2
Figure 26. Simplified Schematic
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相關代理商/技術參數 |
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| AD8210WYC-P3 | 功能描述:IC CURRENT SHUNT MONITOR 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/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 |
| AD8210WYRZ | 功能描述:IC CURRENT MONITOR 0.5% 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/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 |
| AD8210WYRZ-R7 | 功能描述:IC CURRENT MONITOR 0.5% 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/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 |
| AD8210WYRZ-RL | 功能描述:IC CURRENT MONITOR 0.5% 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/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 |
| AD8210YR-R7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Voltage, Bidirectional Current Shunt Monitor |
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