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參數(shù)資料
| 型號： | AD8066AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | High Performance, 145 MHz FastFET⑩ Op Amps |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 24/28頁 |
| 文件大小： | 364K |
| 代理商： | AD8066AR |
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AD8065/AD8066
Rev. E | Page 24 of 28
V
CC
V
EE
1/2
AD8066
4.7
μ
F
0.1
μ
F
R
S1
4.7
μ
F
0.1
μ
F
V
N
2.2pF
500
R2
V
P
1/2
AD8066
4.7
μ
F
0.1
μ
F
4.7
μ
F
0.1
μ
F
AD8065
4.7
μ
F
0.1
μ
F
4.7
μ
F
0.1
μ
F
V
O
R
G
V
CC
V
EE
V
CC
V
EE
500
R4
R
S2
500
R1
500
R3
R
F
= 500
2.2pF
R
F
= 500
0
Figure 60. High Speed Instrumentation Amplifier
HIGH SPEED JFET INPUT INSTRUMENTATION
AMPLIFIER
Figure 60 shows an example of a high speed instrumentation
amplifier with high input impedance using the
AD8065/AD8066. The dc transfer function is
(
)
1
=
G
P
N
OUT
V
R
V
V
1000
For G = +1, it is recommended that the feedback resistors for
the two preamps be set to a low value (for instance 50 for 50
source impedance). The bandwidth for G = +1 will be 50
MHz. For higher gains, the bandwidth will be set by the preamp,
equaling
(
G
CR
3dB
R
f
Inamp
×
×
=
2
) (
)
F
R
Common-mode rejection of the inamp will be primarily
determined by the match of the resistor ratios R1:R2 to R3:R4. It
can be estimated
(
1
)
(
)
2
1
δ
δ
2
1
+
δ
δ
=
CM
O
V
V
The summing junction impedance for the preamps is equal to
R
F
|| 0.5(
R
G
). This is the value to be used for matching purposes.
VIDEO BUFFER
The output current capability and speed of the AD8065 make it
useful as a video buffer, shown in Figure 61.
The G = +2 configuration compensates for the voltage division
of the signal due to the signal termination. This buffer
maintains 0.1 dB flatness for signals up to 7 MHz, from low
amplitudes up to 2 V p-p (Figure 7). Differential gain and phase
have been measured to be 0.02% and 0.028° at ±5 V supplies.
+V
S
–V
S
4.7
μ
F
0.1
μ
F
2.2pF
499
249
75
499
V
I
–
AD8065
4.7
μ
F
0.1
μ
F
75
V
O
–
+
+
0
Figure 61. Video Buffer
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8066AR-EBZ | 功能描述:BOARD EVAL FOR AD8066AR RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| AD8066ARM | 功能描述:IC OPAMP VF R-R DUAL LN LP 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:FastFET™ 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 |
| AD8066ARM-EBZ | 功能描述:BOARD EVAL FOR AD8066ARM RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| AD8066ARM-REEL | 制造商:Analog Devices 功能描述:OP Amp Dual Volt Fdbk R-R O/P ±12V/24V 8-Pin MSOP T/R |
| AD8066ARM-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Dual Volt Fdbk R-R O/P ±12V/24V 8-Pin MSOP T/R |
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