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| 型号： | AD8215WYRZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/16页 |
| 文件大小： | 227K |
| 描述： | IC CURRENT MONITOR 0.15% 8SOIC |
| 标准包装： | 1,000 |
| 功能： | 电流监控器 |
| 检测方法： | 高/低端 |
| 精确度： | ±0.15% |
| 输入电压： | -2 V ~ 65 V |
| 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) |
AD8215
Data Sheet
Rev. A | Page 10 of 16
THEORY OF OPERATION
In typical applications, the AD8215 amplifies a small differential
input voltage generated by the load current flowing through a
shunt resistor. The AD8215 rejects high common-mode voltages
(up to 65 V) and provides a ground-referenced, buffered output
that interfaces with an analog-to-digital converter (ADC). Figure
26 shows a simplified schematic of the AD8215.
V+
OUT =
(I
SHUNT
?R
SHUNT
) ?20
G = +20
AD8215
A1
R1
R
OUT
I
IN
R
PROPRIETARY
OFFSET
CIRCUITRY
GND
I
SHUNT
R
SHUNT
Figure 26. Simplified Schematic
A load current flowing through the external shunt resistor
produces a voltage at the input terminals of the AD8215. The
input terminals are connected to A1 by R and R1. The inverting
terminal, which has very high input impedance, is held to
(VCM) (ISHUNT ?RSHUNT)
because negligible current flows through R. A1 forces the
noninverting input to the same potential. Therefore, the current
that flows through R1 is equal to
I
IN
= (I
SHUNT
?R
SHUNT
)/R1
This current (I
IN
) is converted back to a voltage via R
OUT
. The
output buffer amplifier has a gain of 20 V/V and offers excellent
accuracy as the internal gain setting resistors are precision trimmed
to within 0.01% matching. The resulting output voltage is equal to
OUT = (ISHUNT ?RSHUNT) ?20
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相关代理商/技术参数 |
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| AD8215WYRZ-RL | 功能描述:IC CURRENT MONITOR 0.15% 8SOIC 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 |
| AD8215YRZ | 功能描述:IC CURRENT MONITOR 0.15% 8SOIC 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 |
| AD8215YRZ-R7 | 功能描述:IC CURRENT MONITOR 0.15% 8SOIC 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 |
| AD8215YRZ-RL | 功能描述:IC CURRENT MONITOR 0.15% 8SOIC 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 |
| AD8216 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Bandwidth, Bidirectional 65 V Difference Amplifier |
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