參數(shù)資料
型號(hào)： AD8065AR
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)： 21/28頁
文件大?。?/td> 364K
代理商： AD8065AR
AD8065/AD8066
LAYOUT, GROUNDING, AND BYPASSING CONSIDERATIONS
POWER SUPPLY BYPASSING
Power supply pins are actually inputs and care must be taken so
that a noise-free stable dc voltage is applied. The purpose of
bypass capacitors is to create low impedances from the supply
to ground at all frequencies, thereby shunting or filtering most
of the noise.
Rev. E | Page 21 of 28
Decoupling schemes are designed to minimize the bypassing
impedance at all frequencies with a parallel combination of
capacitors. 0.1 μF (X7R or NPO) chip capacitors are critical
and should be as close as possible to the amplifier package.
The 4.7 μF tantalum capacitor is less critical for high frequency
bypassing, and, in most cases, only one is needed per board, at
the supply inputs.
GROUNDING
A ground plane layer is important in densely packed PC boards
to spread the current minimizing parasitic inductances.
However, an understanding of where the current flows in a
circuit is critical to implementing effective high speed circuit
design. The length of the current path is directly proportional to
the magnitude of parasitic inductances and therefore the high
frequency impedance of the path. High speed currents in an
inductive ground return will create an unwanted voltage noise.
V
THRESHOLD
VBIAS
S
V
P
TO REST OF AMP
V
CC
S
V
N
R1
Q2
Q5
Q3
Q1
Q6
Q7
Q4
R5
D1
R6
R3
R4
R2
R8
R7
D2
D3
D4
–V
EE
I
T1
I
T2
0
Figure 56. Simplified Input Stage
相關(guān)PDF資料
PDF描述
AD8065AR-REEL High Performance, 145 MHz FastFET⑩ Op Amps
AD8065AR-REEL7 High Performance, 145 MHz FastFET⑩ Op Amps
AD8065ART-R2 High Performance, 145 MHz FastFET⑩ Op Amps
AD8065ART-REEL High Performance, 145 MHz FastFET⑩ Op Amps
AD8065ART-REEL7 High Performance, 145 MHz FastFET⑩ Op Amps
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8065AR-EBZ 功能描述:BOARD EVAL FOR AD8065AR RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)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:-
AD8065AR-REEL 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P ±12V/24V 8-Pin SOIC N T/R
AD8065AR-REEL7 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P ±12V/24V 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:SOIC HI PERF HI SPD FET AMP W/ DISABLE - Tape and Reel
AD8065ART-EBZ 功能描述:BOARD EVAL FOR AD8065ART RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)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:-
AD8065ART-R2 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P ±12V/24V 5-Pin SOT-23 T/R 制造商:Analog Devices 功能描述:OP AMP SGL VOLT FDBK R-R O/P 12V/24V 5PIN SOT-23 - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:SOT23 HI PERF HI SPD FET AMP W/ DISABLE - Bulk 制造商:Analog Devices 功能描述:IC OP-AMP HIGH PERFORMANCE
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