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參數(shù)資料
| 型號： | LT1711IMS8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 0K |
| 描述： | IC COMP R-RINOUT SINGLE 8-MSOP |
| 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，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.4 V ~ 12 V，±2.4 V ~ 6 V |
| 電壓 - 輸入偏移（最小值）： | 5mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 5µA @ 5V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 22mA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 75dB CMRR，85dB PSRR |
| 傳輸延遲（最大）： | 6ns |
| 磁滯： | 100mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | LT1711IMS8TR |
12
LT1711/LT1712
PART NUMBER
DESCRIPTION
COMMENTS
LT1016
UltraFast Precision Comparator
Industry Standard 10ns Comparator
LT1116
12ns Single Supply Ground Sensing Comparator
Single Supply Version of the LT1016
LT1394
7ns, UltraFast Single Supply Comparator
6mA Single Supply Comparator
LT1671
60ns, Low Power, Single Supply Comparator
450
A Single Supply Comparator
LT1713/LT1714
Single/Dual 7ns, Low Power, 3V/5V/
±5V, R-R Comparator
7ns/5mA versions of the LT1711/LT1712
LT1719
4.5ns, Single Supply 3V/5V/
±5V Comparator
4mA Comparator with Rail-to-Rail Outputs and Level Shifting
LT1720/LT1721
Dual/Quad, 4.5ns, Single Supply Comparator
Dual/Quad Version of the LT1719
LINEAR TECHNOLOGY CORPORATION 2001
171112f LT/TP 0401 4K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
RELATED PARTS
Figure 7. LT1711 Comparator is Configured as a Series
Resonant Xtal Oscillator. LT1806 Op Amp is Configured
in a Q = 5 Bandpass with fC = 1MHz
3V/DIV
1V/DIV
200ns/DIV
171112 F08
Figure 8. Oscillator Waveforms with VS = 3V. Top is
Comparator Output. Middle is Xtal Feedback to Pin 2 at
LT1711 (Note the Glitches). Bottom is Buffered, Inverted
and Bandpass Filtered with a Q = 5 by LT1806
1MHz Series Resonant Crystal Oscillator
with Square and Sinusoid Outputs
Figure 7 shows a classic 1MHz series resonant crystal
oscillator. At series resonance, the crystal is a low imped-
ance and the positive feedback connection is what brings
about oscillation at the series resonant frequency. The RC
feedback around the other path ensures that the circuit
does not find a stable DC operating point and refuse to
oscillate. The comparator output is a 1MHz square wave
(top trace of Figure 8) with jitter measured at better than
28psRMS on a 5V supply and 40psRMS on a 3V supply. At
Pin 2 of the comparator, on the other side of the crystal, is
a clean sine wave except for the presence of the small high
U
TYPICAL APPLICATIO
frequency glitch (middle trace of Figure 8). This glitch is
caused by the fast edge of the comparator output feeding
back through crystal capacitance. Amplitude stability of
the sine wave is maintained by the fact that the sine wave
is basically a filtered version of the square wave. Hence,
the usual amplitude control loops associated with sinusoi-
dal oscillators are not necessary.2 The sine wave is filtered
and buffered by the fast, low noise LT1806 op amp. To
remove the glitch, the LT1806 is configured as a bandpass
filter with a Q of 5 and unity-gain center frequency of
1MHz, with its output shown as the bottom trace of
Figure 8. Distortion was measured at – 70dBc and – 60dBc
on the second and third harmonics, respectively.
2 Amplitude will be a linear function of comparator output swing, which is supply dependent
and therefore adjustable. The important difference here is that any added amplitude
stabilization or control loop will not be faced with the classical task of avoiding regions of
nonoscillation versus clipping.
–
+
LT1711
2
3
6
LE
5
1
R1
1k
VS
7
8
SQUARE
171112 F07
SINE
R3
1k
C1
0.1
F
4
R2
1k
R4
210
1
6
2
3
4
7
R8
2k
VS
1MHz
AT-CUT
R9
2k
R7
15.8k
R10
1k
R6
162
C2
0.1
F
C3
100pF
C4
100pF
C5
100pF
–
+
LT1806S8
R5
6.49k
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1712 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single/Dual 4.5ns, 3V/5V, Rail-to-Rail Comparators |
| LT1712CGN | 功能描述:IC COMP R-R I/O DUAL LP 16SSOP 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 |
| LT1712CGN#PBF | 功能描述:IC COMPARATR RRIO DUAL LP 16SSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 標(biāo)準(zhǔn)包裝:1 系列:- 類型:通用 元件數(shù):1 輸出類型:CMOS，開路集電極，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 安裝類型:表面貼裝 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1268 (CN2011-ZH PDF) 其它名稱:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LT1712CGN#PBF | 制造商:Linear Technology 功能描述:ICVOLT COMPARATORDUALBIPOLA 制造商:Linear Technology 功能描述:IC,VOLT COMPARATOR,DUAL,BIPOLAR,SSOP,16P |
| LT1712CGN#TR | 功能描述:IC COMP R-R I/O DUAL LP 16SSOP 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 |
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