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參數(shù)資料
| 型號： | AD8625 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 16 A SPDT MINIATURE POWER RELAY |
| 中文描述： | 精密低功耗單電源結型場效應管放大器 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 568K |
| 代理商： | AD8625 |
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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PDF描述 |
|---|---|
| AD8626 | Precision Low Power Single-Supply JFET Amplifier |
| AD8625AR | Precision Low Power Single-Supply JFET Amplifier |
| AD8625AR-REEL | Precision Low Power Single-Supply JFET Amplifier |
| AD8625AR-REEL7 | Precision Low Power Single-Supply JFET Amplifier |
| AD8625ARU | Precision Low Power Single-Supply JFET Amplifier |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD8625_13 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Power Single-Supply JFET Amplifiers |
| AD8625AR | 功能描述:IC OPAMP JFET 5MHZ QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| AD8625AR-REEL | 功能描述:IC OPAMP JFET 5MHZ QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| AD8625AR-REEL7 | 功能描述:IC OPAMP JFET 5MHZ QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| AD8625ARU | 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R O/P 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R O/P ±13V/26V 14-Pin TSSOP |
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