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參數(shù)資料
| 型號(hào)： | LT1016CN8 |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 2/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR 10NS HI-SPEED 8DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | UltraFast™ |
| 類(lèi)型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類(lèi)型： | CMOS，補(bǔ)充型，TTL |
| 電壓 - 輸入偏移（最小值）： | 3mV @ ±5V |
| 電流 - 輸入偏壓（最小值）： | 10µA @ ±5V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 35mA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 96dB CMRR，75dB PSRR |
| 傳輸延遲（最大）： | 14ns |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 安裝類(lèi)型： | 通孔 |
| 包裝： | 管件 |
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LT1016
10
1016fc
applicaTions inForMaTion
In Figure 7 the probes are properly selected and applied
but the LT1016’s output rings and distorts badly. In this
case, the probe ground lead is too long. For general pur-
pose work most probes come with ground leads about six
inches long. At low frequencies this is fine. At high speed,
the long ground lead looks inductive, causing the ringing
shown.Highqualityprobesarealwayssuppliedwithsome
short ground straps to deal with this problem. Some come
with very short spring clips which fix directly to the probe
tip to facilitate a low impedance ground connection. For
fast work, the ground connection to the probe should not
exceed one inch in length. Keep the probe ground con-
nection as short as possible.
Figure 8 shows the LT1016’s output (Trace B) oscillating
near 40MHz as it responds to an input (Trace A). Note that
the input signal shows artifacts of the oscillation. This
example is caused by improper grounding of the com-
parator. In this case, the LT1016’s GND pin connection is
one inch long. The ground lead of the LT1016 must be as
shortaspossibleandconnecteddirectlytoalowimpedance
ground point. Any substantial impedance in the LT1016’s
ground path will generate effects like this. The reason for
this is related to the necessity of bypassing the power
supplies. The inductance created by a long device ground
leadpermitsmixingofgroundcurrents,causingundesired
effects in the device. The solution here is simple. Keep the
LT1016’s ground pin connection as short (typically 1/4
inch) as possible and run it directly to a low impedance
ground. Do not use sockets.
Figure 9 addresses the issue of the “l(fā)ow impedance
ground,” referred to previously. In this example, the
output is clean except for chattering around the edges.
This photograph was generated by running the LT1016
without a “ground plane.” A ground plane is formed by
using a continuous conductive plane over the surface of
the circuit board. The only breaks in this plane are for the
circuit’snecessarycurrentpaths.Thegroundplaneserves
two functions. Because it is flat (AC currents travel along
the surface of a conductor) and covers the entire area of
the board, it provides a way to access a low inductance
ground from anywhere on the board. Also, it minimizes
the effects of stray capacitance in the circuit by referring
them to ground. This breaks up potential unintended and
harmfulfeedbackpaths.Alwaysuseagroundplanewiththe
LT1016 when input signal levels are low or slow moving.
Figure 9. Transition Instabilities Due to No Ground Plane
Figure 7. Typical Results Due to Poor Probe Grounding
Figure 8. Excessive LT1016 Ground Path
Resistance Causes Oscillation
1V/DIV
20ns/DIV
1016 F07
TRACE A
1V/DIV
TRACE B
2V/DIV
100ns/DIV
1016 F08
2V/DIV
100ns/DIV
1016 F09
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1016CN8#PBF | 功能描述:IC COMPARATOR 10NS HI-SPEED 8DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 比較器 系列:UltraFast™ 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:通用 元件數(shù):1 輸出類(lèi)型:CMOS，開(kāi)路集電極，TTL 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:7mV @ 5V 電流 - 輸入偏壓（最小值）:0.25µA @ 5V 電流 - 輸出（標(biāo)準(zhǔn)）:84mA @ 5V 電流 - 靜態(tài)（最大值）:120µA CMRR, PSRR（標(biāo)準(zhǔn)）:- 傳輸延遲（最大）:600ns 磁滯:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類(lèi)型:表面貼裝 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1268 (CN2011-ZH PDF) 其它名稱(chēng):*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LT1016CN8PBF | 制造商:Linear Technology 功能描述:LT1016CN8PBF |
| LT1016CP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LT1016CS8 | 功能描述:IC COMPARATOR 10NS HI-SPD 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:通用 元件數(shù):1 輸出類(lèi)型:CMOS，推挽式，滿(mǎn)擺幅，TTL 電壓 - 電源，單路/雙路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 電壓 - 輸入偏移（最小值）:5mV @ 5.5V 電流 - 輸入偏壓（最小值）:1pA @ 5.5V 電流 - 輸出（標(biāo)準(zhǔn)）:- 電流 - 靜態(tài)（最大值）:24µA CMRR, PSRR（標(biāo)準(zhǔn)）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:450ns 磁滯:±3mV 工作溫度:-40°C ~ 85°C 封裝/外殼:6-WFBGA，CSPBGA 安裝類(lèi)型:表面貼裝 包裝:管件 其它名稱(chēng):Q3554586 |
| LT1016CS8#PBF | 功能描述:IC COMPARATOR 10NS HI-SPD 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 比較器 系列:UltraFast™ 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:通用 元件數(shù):1 輸出類(lèi)型:CMOS，開(kāi)路集電極，TTL 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:7mV @ 5V 電流 - 輸入偏壓（最小值）:0.25µA @ 5V 電流 - 輸出（標(biāo)準(zhǔn)）:84mA @ 5V 電流 - 靜態(tài)（最大值）:120µA CMRR, PSRR（標(biāo)準(zhǔn)）:- 傳輸延遲（最大）:600ns 磁滯:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類(lèi)型:表面貼裝 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1268 (CN2011-ZH PDF) 其它名稱(chēng):*LMV331M5*LMV331M5/NOPBLMV331M5CT |
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