參數(shù)資料
型號: LT1721CS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 運動控制電子
英文描述: Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
中文描述: QUAD COMPARATOR, 4500 uV OFFSET-MAX, 7 ns RESPONSE TIME, PDSO16
封裝: 0.150 INCH, PLASTIC, SO-16
文件頁數(shù): 22/28頁
文件大?。?/td> 317K
代理商: LT1721CS
22
LT1720/LT1721
APPLICATIO
S I
N
FOR
ATIO
U
Coincidence Detector
High speed comparators are especially suited for interfac-
ing pulse-output transducers, such as particle detectors,
to logic circuitry. The matched delays of a monolithic dual
are well suited for those cases where the coincidence of
two pulses needs to be detected. The circuit of Figure 19
is a coincidence detector that uses an LT1720 and discrete
components as a fast AND gate.
The reference level is set to 1V, an arbitrary threshold. Only
when both input signals exceed this will a coincidence be
detected. The Schottky diodes from the comparator out-
puts to the base of the MRF-501 form the AND gate, while
the other two Schottkys provide for fast turn-off. A logic
W
U
Figure 19. A 3ns Coincidence Detector
5V
3.9k
1k
0.1
μ
F
51
51
300
300
5V
5V
4
×
1N5711
MRF501
OUTPUT
GROUND
CASE LEAD
COINCIDENCE COMPARATORS
300ps AND GATE
1720/21 F19
1/2 LT1720
+
1/2 LT1720
+
AND gate could instead be used, but would add consider-
ably more delay than the 300ps contributed by this dis-
crete stage.
This circuit can detect coincident pulses as narrow as 3ns.
For narrower pulses, the output will degrade gracefully,
responding, but with narrow pulses that don’t rise all the
way to “high” before starting to fall. The decision delay is
4.5ns with input signals 50mV or more above the refer-
ence level. This circuit creates a TTL compatible output but
it can typically drive CMOS as well.
For a more detailed description of the operation of this
circuit, see Application Note 75, pages 10 and 11.
相關PDF資料
PDF描述
LT1721IGN Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
LT1720IS8 Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
LT1720 Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
LT1721 Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
LT1721CGN Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
相關代理商/技術參數(shù)
參數(shù)描述
LT1721CS#PBF 功能描述:IC COMP R-RINOUT QUAD 16-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:帶電壓基準 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(標準):0.015mA @ 5V 電流 - 靜態(tài)(最大值):8.5µA CMRR, PSRR(標準):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)
LT1721CS#TR 功能描述:IC COMP QUAD R-R 4.5NS 16SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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(標準):- 電流 - 靜態(tài)(最大值):24µA CMRR, PSRR(標準):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
LT1721CS#TRPBF 功能描述:IC COMP R-RINOUT QUAD 16-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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(標準):- 電流 - 靜態(tài)(最大值):24µA CMRR, PSRR(標準):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
LT1721IGN 功能描述:IC COMP R-RINOUT QUAD 16-SSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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(標準):- 電流 - 靜態(tài)(最大值):24µA CMRR, PSRR(標準):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
LT1721IGN#PBF 功能描述:IC COMP R-RINOUT QUAD 16-SSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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(標準):- 電流 - 靜態(tài)(最大值):24µA CMRR, PSRR(標準):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