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參數(shù)資料
| 型號(hào)： | LT1715CMS |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR 150MHZ DUAL 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | UltraFast™ |
| 類型： | 通用 |
| 元件數(shù)： | 2 |
| 輸出類型： | CMOS，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 12 V |
| 電壓 - 輸入偏移（最小值）： | 2.5mV @ ±5V |
| 電流 - 輸入偏壓（最小值）： | 6µA @ ±5V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 2mA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 70dB CMRR，80dB PSRR |
| 傳輸延遲（最大）： | 9ns |
| 磁滯： | 6mV |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 管件 |
LT1715
15
1715fa
ECL, and particularly PECL, is valuable technology for high
speed system design, but it must be used with care. With
less than a volt of swing, the noise margins need to be
evaluated carefully. Note that there is some degradation of
noise margin due to the ±5% resistor selections shown.
With 10KH/E, there is no temperature compensation of
the logic levels, whereas the LT1715 and the circuits
shown give levels that are stable with temperature. This
will lower the noise margin over temperature. In some
congurations it is possible to add compensation with
diode or transistor junctions in series with the resistors
of these networks.
For more information on ECL design, refer to the ECLiPS
data book (DL140), the 10KH system design handbook
(HB205) and PECL design (AN1406), all from Motorola,
now ON Semiconductor.
Circuit Description
The block diagram of the LT1715 is shown in Figure 9.
The circuit topology consists of a differential input stage,
again stage with hysteresis and a complementary com-
mon-emitter output stage. All of the internal signal paths
utilize low voltage swings for high speed at low power.
APPLICATIONS INFORMATION
The input stage topology maximizes the input dynamic
range available without requiring the power, complexity
and die area of two complete input stages such as are
found in rail-to-rail input comparators. With a single
2.7V supply, the LT1715 still has a respectable 1.6V of
input common mode range. The differential input volt-
age rangeis rail-to-rail, without the large input currents
found incompeting devices. The input stage also features
phase reversal protection to prevent false outputs when
the inputs are driven below the –100mV common mode
voltage limit.
The internal hysteresis is implemented by positive, nonlin-
ear feedback around a second gain stage. Until this point,
the signal path has been entirely differential. The signal
path is then split into two drive signals for the upper and
lower output transistors. The output transistors are con-
nected common emitter for rail-to-rail output operation.
The Schottky clamps limit the output voltages at about
300mV from the rail, not quite the 50mV or 15mV of Linear
Technology’s rail-to-rail ampliers and other products. But
the output of a comparator is digital, and this output stage
can drive TTL or CMOS directly. It can also drive ECL, as
described earlier, or analog loads.
Figure 9. LT1715 Block Diagram
–
+
–
+
–
+
–
+
+IN
–IN
AV1
VCC
VEE
AV2
NONLINEAR STAGE
OUT
GND
1715 F09
+VS
+
Σ
+
Σ
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參數(shù)描述 |
|---|---|
| LT1715CMS#PBF | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 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:50 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:開路漏極 電壓 - 電源，單路/雙路(±):2.5 V ~ 11 V，±1.25 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:10mV @ 5V 電流 - 輸入偏壓（最小值）:- 電流 - 輸出（標(biāo)準(zhǔn)）:0.015mA @ 5V 電流 - 靜態(tài)（最大值）:8.5µA CMRR, PSRR（標(biāo)準(zhǔn)）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:- 磁滯:- 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 安裝類型:表面貼裝 包裝:管件 產(chǎn)品目錄頁面:1386 (CN2011-ZH PDF) |
| LT1715CMS#PBF | 制造商:Linear Technology 功能描述:High Speed Comparator IC |
| LT1715CMS#PBF | 制造商:Linear Technology 功能描述:IC HIGH SPEED COMPARATOR |
| LT1715CMS#TR | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 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:- 類型:通用 元件數(shù):1 輸出類型:CMOS，推挽式，滿擺幅，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 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
| LT1715CMS#TRPBF | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 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:- 類型:通用 元件數(shù):1 輸出類型:CMOS，推挽式，滿擺幅，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 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
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