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參數(shù)資料
| 型號(hào)： | AD8216WYRZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP 65V DIFF BIDIRECT 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 15 V/µs |
| -3db帶寬： | 3MHz |
| 電壓 - 輸入偏移： | 500µV |
| 電流 - 電源： | 1mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
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AD8216
Data Sheet
Rev. B | Page 10 of 16
THEORY OF OPERATION
The AD8216 is a single-supply difference amplifier typically used
to accurately amplify a small differential current shunt voltage in
the presence of a rapidly changing common-mode voltage.
The AD8216 consists of an amplifier (A1), a resistor network,
a small voltage reference, and a bias circuit (not shown),
see Figure 23.
The set of input attenuators preceding A1 consist of RA, RB, and
RC, which feature a combined series resistance of approximately
200 kΩ ± 20%. The purpose of these resistors is to attenuate the
input voltage to match the input voltage range of A1. This
balanced resistor network attenuates the common-mode signal
by a ratio of 1/18. A1 amplifier inputs are held within the power
supply range, even if Pin 1 and Pin 8 exceed the supply or fall
below common (ground). A reference voltage of 250 mV biases
the attenuator above ground, which allows the amplifier to
operate in the presence of negative common-mode voltages.
The input resistor network also attenuates normal (differential)
mode voltages. Therefore, Amplifier A1 features a gain of
54 V/V to provide a total system gain of 3V/V.
Total Gain (V/V) = 1/18 (V/V) × 54 (V/V) = 3 V/V
The reference inputs, VREF1 and VREF2, are tied through resistors
to the positive input of A1, which allows the output offset to be
adjusted anywhere in the output operating range. The gain is
1 V/V from the reference pins to the output when the reference
pins are used in parallel. When they are used to divide the supply,
the gain is 0.5 V/V.
The ratios of RA, RB, RC, and RF are trimmed to a high level of
precision to allow the CMRR to exceed 80 dB. This performance is
accomplished by laser trimming the resistor ratio matching to
better than 0.01%.
AD8216
+IN
–IN
250mV
GND
A1
RA
RB
RF
RC
VOUT
RREF
VREF1
VREF2
07
06
2-
0
28
Figure 23. Simplified Schematic
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8216YRZ | 功能描述:IC AMP DIFF 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| AD8216YRZ | 制造商:Analog Devices 功能描述:IC DIFFERENTIAL AMP 3MHZ 15V/S SOIC8 |
| AD8216YRZ-R7 | 功能描述:IC AMP DIFF 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8216YRZ-RL | 功能描述:IC AMP DIFF 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)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(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| AD8217 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Resolution, Zero-Drift Current Shunt Monitor |
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