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| 型号： | AD8210YRZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/16页 |
| 文件大小： | 322K |
| 描述： | IC CURRENT MONITOR 0.5% 8SOIC |
| 设计资源： | High Voltage, High Precision Current Sensing with Output Level Shifting Using AD8210 and AD8274 (CN0116) |
| 标准包装： | 1,000 |
| 功能： | 电流监控器 |
| 检测方法： | 高/低端 |
| 精确度： | ±0.5% |
| 输入电压： | -2 V ~ 65 V |
| 电流 - 输出： | 5mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
AD8210
Data Sheet
Rev. D | Page 12 of 16
External Referenced Output
Tying both V
REF
pins together to an external reference produces
an output offset at the reference voltage when there is no
differential input (see Figure 29). When the input is negative
relative to the IN pin, the output moves down from the
reference voltage. When the input is positive relative to the
IN pin, the output increases.
AD8210
OUTPUT
G = +20
R
S
+IN
IN
V
S
V
REF
1
V
REF
2
GND
V
REF
0.1礔
0V d V
REF
d V
S
Figure 29. External Reference Output
Splitting an External Reference
In this case, an external reference is divided by two with
an accuracy of approximately 0.2% by connecting one
VREF pin to ground and the other VREF pin to the reference
voltage (see Figure 30).
Note that Pin V
REF
1 and Pin V
REF
2 are tied to internal precision
resistors that connect to an internal offset node. There is no
operational difference between the pins.
For proper operation, the AD8210 output offset should not be
set with a resistor voltage divider. Any additional external
resistance could create a gain error. A low impedance voltage
source should be used to set the output offset of the AD8210.
AD8210
OUTPUT
G = +20
R
S
+IN
IN
V
S
V
REF
1
V
REF
2
GND
0.1礔
V
REF
0V d V
REF
d V
S
Figure 30. Split External Reference
Splitting the Supply
By tying one reference pin to V+ and the other to the GND pin,
the output is set at midsupply when there is no differential input
(see Figure 31). This mode is beneficial because no external
reference is required to offset the output for bidirectional
current measurement. This creates a midscale offset that is
ratiometric to the supply, meaning that if the supply increases
or decreases, the output still remains at half scale. For example,
if the supply is 5.0 V, the output is at half scale or 2.5 V. If the
supply increases by 10% (to 5.5 V), the output also increases by
10% (2.75 V).
0.1礔
AD8210
OUTPUT
G = +20
R
S
+IN
IN
V
S
V
REF
1
V
REF
2
GND
Figure 31. Split Supply
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8211 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Voltage Current Shunt Monitor |
| AD8211WYRJZ-R7 | 制造商:Analog Devices 功能描述:CURRENT SHUNT MONITOR 5PIN SOT-23 - Tape and Reel |
| AD8211WYRJZ-RL | 制造商:Analog Devices 功能描述: |
| AD8211YRJ | 制造商:Analog Devices 功能描述:CURRENT SHUNT MONITOR 4.5V/US 5SOT23 制造商:Analog Devices 功能描述:CURRENT SHUNT MONITOR, 4.5V/US, 5SOT23 制造商:Analog Devices 功能描述:CURRENT SHUNT MONITOR, 4.5V/US, 5SOT23, No. of Amplifiers:1, Input Offset Voltag 制造商:Analog Devices 功能描述:CURRENT SHUNT MONITOR, 4.5V/US, 5SOT23, No. of Amplifiers:1, Input Offset Voltage:1mV, Amplifier Case Style:SOT-23, No. of Pins:5, Bandwidth:500kHz, CMRR:220dB, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Supply Current:1.2mA, , RoHS Compliant: Yes |
| AD8211YRJZ-R2 | 功能描述:IC CURRENT MONITOR 0.25% SOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN（1.4x1.8） 包装:管件 |
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