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參數(shù)資料
| 型號： | LT1016IS8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 20/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR 10NS HI SPD 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | UltraFast™ |
| 類型： | 帶鎖銷 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，補充型，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： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
LT1016
9
1016fc
applicaTions inForMaTion
In Figure 4 the LT1016’s supplies are bypassed, but it still
oscillates. In this case, the bypass units are either too far
fromthedeviceorarelossycapacitors.Usecapacitorswith
good high frequency characteristics and mount them as
close as possible to the LT1016. An inch of wire between
the capacitor and the LT1016 can cause problems. If op-
eration in the linear region is desired, the LT1016 must
be over a ground plate with good RF bypass capacitors
(≥0.01F) having lead lengths less than 0.2 inches. Do
not use sockets.
In Figure 5 the device is properly bypassed but a new
problem pops up. This photo shows both outputs of the
comparator. Trace A appears normal, but Trace B shows an
excursion of almost 8V—quite a trick for a device running
from a 5V supply. This is a commonly reported problem
in high speed circuits and can be quite confusing. It is
not due to suspension of natural law, but is traceable to
a grossly miscompensated or improperly selected oscil-
loscope probe. Use probes that match your oscilloscope’s
input characteristics and compensate them properly.
Figure 6 shows another probe-induced problem. Here,
the amplitude seems correct but the 10ns response time
LT1016 appears to have 50ns edges! In this case, the
probe used is too heavily compensated or slow for the
oscilloscope. Never use 1× or “straight” probes. Their
bandwidth is 20MHz or less and capacitive loading is
high. Check probe bandwidth to ensure it is adequate for
the measurement. Similarly, use an oscilloscope with
adequate bandwidth.
Figure 4. LT1016 Response with Poor Bypassing
Figure 5. Improper Probe Compensation Causes
Seemingly Unexplainable Amplitude Error
Figure 6. Overcompensated or Slow Probes
Make Edges Look Too Slow
2V/DIV
100ns/DIV
1016 F04
TRACE A
2V/DIV
TRACE B
2V/DIV
10ns/DIV
1016 F05
1V/DIV
50ns/DIV
1016 F06
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1016M | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ultra Fast Precision Comparator |
| LT1016MH | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ultra Fast Precision Comparator |
| LT1016MJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Comparator |
| LT1016MJ8 | 制造商:Linear Technology 功能描述:Comparator Single ±5V/10V 8-Pin CDIP 制造商:Linear Technology 功能描述:Voltage Comparator, Single, 8 Pin, Ceramic, DIP |
| LT1016MJG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Comparator |
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