参数资料
| 型号： | AD8205YRZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF 8SOIC |
| 产品培训模块： | Current Sense Amplifiers |
| 标准包装： | 2,500 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 转换速率： | 0.5 V/µs |
| -3db带宽： | 50kHz |
| 电压 - 输入偏移： | 2000µV |
| 电流 - 电源： | 2mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 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) |
AD8205
Data Sheet
Rev. | Page 10 of 12
EXTERNAL REFERENCE OUTPUT
Tying both pins together and to a reference produces an output
at the reference voltage when there is no differential input (see
Figure 16). The output moves down from the reference voltage
when the input is negative relative to the IN pin and up when
the input is positive relative to the IN pin.
04315-0-015
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
VREF1
VREF2
2.5V VOLTAGE
REFERENCE
Figure 16. External Reference Output
SPLITTING THE SUPPLY
By tying one reference pin to V+ and the other to the ground
pin, the output is set at half of the supply when there is no
differential input (see Figure 17). The benefit is that no external
reference is required to offset the output for bidirectional
current measurement. This creates a midscale offset that is
ratiometric to the supply, which means that if the supply increases
or decreases, the output remains at half the supply. 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 goes to 2.75 V.
04315-0-016
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
VREF1
VREF2
Figure 17. Split Supply
SPLITTING AN EXTERNAL REFERENCE
In this case, an external reference is divided by 2 with an
accuracy of approximately 0.5% by connecting one VREF pin to
04315-0-017
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
VREF1
VREF2
5V
VOLTAGE
REFERENCE
Figure 18. Split External Reference
D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8206 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Supply, 42 V System Difference Amplifier |
| AD8206_05 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Supply, 42 V System Difference Amplifier |
| AD8206_12 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Common-Mode Voltage, Bidirectional Current Shunt Amplifier |
| AD8206AR | 制造商:Analog Devices 功能描述:SINGLE SUPPLY 42V SYSTEM DIFFERENCE AMPLIFIER - Bulk |
| AD8206WHRZ | 功能描述:差分放大器 SGL-Supply 42V Systm RoHS:否 制造商:Analog Devices 通道数量:1 Channel 带宽:900 MHz 可用增益调整:5.6 dB to 20 dB 输入补偿电压:1 mV at 5 V 共模抑制比（最小值）:67 dB 工作电源电压:11 V 电源电流:28 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
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