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參數(shù)資料
| 型號(hào)： | AD8626AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Precision Low Power Single-Supply JFET Amplifier |
| 中文描述： | DUAL OP-AMP, 1350 uV OFFSET-MAX, 5 MHz BAND WIDTH, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 568K |
| 代理商： | AD8626AR |
AD8627/AD8626/AD8625
Rev. B | Page 16 of 20
0
AD5551/AD5552
AD8627
DGND
*AD5552 ONLY
V
DD
V
REFF
*
V
REFS
*
OUT
SCLK
DIN
CS
AGND
5V
2.5V
UNIPOLAR
OUTPUT
LDAC*
0.1
μ
F
10
μ
F
0.1
μ
F
SERIAL
INTERFACE
5V
Figure 46. Unipolar Output
In applications with full 4-quadrant multiplying capability or a
bipolar output swing, the circuit in Figure 47 can be used. In
this circuit, the first and second amplifiers provide a total gain
of 2, which increases the output voltage span to 20 V. Biasing the
external amplifier with a 10 V offset from the reference voltage
results in a full 4-quadrant multiplying circuit.
0
ONE CHANNEL
AD5544
1/2
AD8626
DIGITAL INTERFACE CONNECTIONS
OMITTED FOR CLARITY
V
SS
A
GND
F
A
GND
X
V
DD
V
REF
X
R
FB
X
ADR01
VREF
10V
1/2
AD8626
–13V
+13V
–10V < V
OUT
< +10V
10k
5k
10k
V
OUT
Figure 47. 4-Quadrant Multiplying Application Circuit
EIGHT-POLE SALLEN KEY LOW-PASS FILTER
The AD862x’s high input impedance and dc precision make it a
great selection for active filters. Due to the very low bias current
of the AD862x, high value resistors can be used to construct low
frequency filters. The AD862x’s picoamp-level input currents
contribute minimal dc errors. Figure 49 shows an example, a
10 Hz, 8-pole Sallen Key filter constructed using the AD862x.
Different numbers of the AD862x can be used depending on
the desired response, which is shown in Figure 48. The high
value used for R1 minimizes interaction with signal source
resistance. Pole placement in this version of the filter minimizes
the Q associated with the lower pole section of the filter. This
eliminates any peaking of the noise contribution of resistors in
the preceding sections, minimizing the inherent output voltage
noise of the filter.
0
V2
V4
V3
V1
FREQUENCY (Hz)
V
0.1
0
0.4
0.8
1.2
1
10
100
1k
Figure 48. Frequency Response Output at Different Stages
of the Low-Pass Filter
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8626ARM | 制造商:Analog Devices 功能描述:OP AMP DUAL GP R-R O/P 13V/26V 8MSOP - Bulk |
| AD8626ARM-R2 | 功能描述:IC OPAMP JFET 5MHZ DUAL LP 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°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) |
| AD8626ARM-REEL | 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P ±13V/26V 8-Pin MSOP T/R 制造商:Rochester Electronics LLC 功能描述:DUAL PRECISION SINGLE SUPPLY DI-JET AMP - Tape and Reel |
| AD8626ARMZ | 功能描述:IC OPAMP JFET 5MHZ DUAL LP 8MSOP 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:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| AD8626ARMZ-R2 | 功能描述:IC OPAMP JFET 5MHZ DUAL LP 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°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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