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參數(shù)資料
| 型號： | AD8066ARM |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/29頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF R-R DUAL LN LP 8MSOP |
| 設(shè)計資源： | Precision, Bipolar Configuration for the AD5426/32/43 8-Bit to12-Bit DACs (CN0036) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | FastFET™ |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 180 V/µs |
| -3db帶寬： | 145MHz |
| 電流 - 輸入偏壓： | 3pA |
| 電壓 - 輸入偏移： | 400µV |
| 電流 - 電源： | 6.6mA |
| 電流 - 輸出 / 通道： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 24 V，±2.5 V ~ 12 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 管件 |
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AD8065/AD8066
Rev. J | Page 20 of 28
THEORY OF OPERATION
The AD8065/AD8066 are voltage feedback operational amplifiers
that combine a laser-trimmed JFET input stage with the Analog
Devices eXtra Fast Complementary Bipolar (XFCB) process,
resulting in an outstanding combination of precision and speed.
The supply voltage range is from 5 V to 24 V. The amplifiers feature
a patented rail-to-rail output stage capable of driving within 0.5 V
of either power supply while sourcing or sinking up to 30 mA.
Also featured is a single-supply input stage that handles common-
mode signals from below the negative supply to within 3 V of the
positive rail. Operation beyond the JFET input range is possible
because of an auxiliary bipolar input stage that functions with
input voltages up to the positive supply. The amplifiers operate as
if they have a rail-to-rail input and exhibit no phase reversal
behavior for common-mode voltages within the power supply.
With voltage noise of 7 nV/√Hz and 88 dBc distortion for
1 MHz, 2 V p-p signals, the AD8065/AD8066 are a great choice
for high resolution data acquisition systems. Their low noise,
sub-pA input current, precision offset, and high speed make
them superb preamps for fast photodiode applications. The
speed and output drive capability of the AD8065/AD8066 also
make them useful in video applications.
CLOSED-LOOP FREQUENCY RESPONSE
The AD8065/AD8066 are classic voltage feedback amplifiers
with an open-loop frequency response that can be approximated as
the integrator response shown in Figure 53. Basic closed-loop
frequency response for inverting and noninverting configurations
can be derived from the schematics shown.
NONINVERTING CLOSED-LOOP FREQUENCY
RESPONSE
Solving for the transfer function
()
G
crossover
G
F
G
crossover
I
O
R
f
s
R
f
V
×
π
+
×
π
=
2
where fcrossover is the frequency where the amplifier’s open-loop
gain equals 0 db
At dc
G
F
I
O
R
V
+
=
Closed-loop 3 dB frequency
G
F
G
crossover
3dB
R
f
+
×
=
INVERTING CLOSED-LOOP FREQUENCY
RESPONSE
()
G
crossover
G
F
crossover
I
O
R
f
R
s
R
f
V
×
π
+
×
π
=
2
At dc
G
F
I
O
R
V
=
Closed-loop 3 dB frequency
G
F
G
crossover
dB
R
f
+
×
=
3
RF
A
VO
RG
VI
VE
FREQUENCY (MHz)
80
60
0.01
100
OP
E
N
-LOOP
GAI
N
(A)
(dB)
0.1
10
1
40
20
0
fcrossover = 65MHz
A = (2
π× fcrossover)/s
RF
VE
A
VO
RG
VI
02916-E
-053
Figure 53. Open-Loop Gain vs. Frequency and Basic Connections
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AD8066ARMZ | 功能描述:IC OPAMP VF R-R DUAL LN LP 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:FastFET™ 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°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:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8066ARMZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
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