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參數資料
| 型號： | AD8205 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single-Supply 42 V System Difference Amplifier |
| 中文描述： | 單電源42 V系統差分放大器 |
| 文件頁數： | 10/12頁 |
| 文件大小： | 308K |
| 代理商： | AD8205 |
AD8205
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.
Rev. 0 | Page 10 of 12
0
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
V
REF
1
V
REF
2
2.5VREFERENCE
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.
0
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
V
REF
1
V
REF
2
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 V
REF
pin to
ground and the other V
REF
pin to the reference (see Figure 18).
0
AD8205
+IN
–IN
NC
NC = NO CONNECT
GND
V+
OUT
V
REF
1
V
REF
2
5V
VOLTAGE
REFERENCE
Figure 18. Split External Reference
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8205AR | 制造商:Analog Devices 功能描述:- Bulk |
| AD8205WHRZ | 制造商:Analog Devices 功能描述:42VSNGLSUPPLYDIFFAMP - Rail/Tube 制造商:Analog Devices 功能描述:IC OPAMP DIFF 50KHZ 8SOIC 制造商:Analog Devices 功能描述:42V Sngl Supply Diff Amp |
| AD8205WHRZ-RL | 制造商:Analog Devices 功能描述:42VSNGLSUPPLYDIFFAMP - Tape and Reel 制造商:Analog Devices 功能描述:IC OPAMP DIFF 50KHZ 8SOIC 制造商:Analog Devices 功能描述:42V Sngl Supply Diff Amp |
| AD8205WYRZ | 功能描述:IC AMP DIFF 42V SGL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:100 系列:- 放大器類型:通用 電路數:1 輸出類型:- 轉換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SO 包裝:管件 |
| AD8205WYRZ-R7 | 功能描述:IC AMP DIFF 42V SGL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數:2 輸出類型:滿擺幅 轉換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
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