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參數資料
| 型號： | LTC1443 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual, Micropower, Push-Pull Outputs, LinCMOS(TM) Voltage Comparator 8-PDIP -40 to 85 |
| 中文描述： | 超低電源四路比較與參考 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 176K |
| 代理商： | LTC1443 |
1
LTC1443/LTC1444/LTC1445
Ultralow Power Quad
Comparators with Reference
I
Ultralow Quiescent Current: 8.5
μ
A Max
I
Wide Supply Range
Single: 2V to 11V
Dual:
±
1V to
±
5.5V
I
Input Voltage Range Includes the Negative Supply
I
Reference Output Drives 0.01
μ
F Capacitor
I
Adjustable Hysteresis (LTC1444/LTC1445)
I
TTL/CMOS Compatible Outputs
I
Propagation Delay: 12
μ
s (Typ) (10mV Overdrive)
I
No Crowbar Current
I
40mA Continuous Source Current
I
Pin Compatible Upgrades for MAX924 (LTC1443)
The LTC
comparators with a built-in reference. The comparators
feature less than 8.5
μ
A supply current over temperature,
an internal reference (1.182V
±
1% for LTC1443 or 1.221V
±
1% for LTC1444/LTC1445), programmable hysteresis
(LTC1444/LTC1445) and TTL/CMOS output (LTC1443/
LTC1445) that sinks and sources current (open-drain
output for LTC1444). The reference output can drive a
bypass capacitor of up to 0.01
μ
F without oscillation.
The comparators operate from a single 2V to 11V supply
or a dual
±
1V to
±
5.5V supply (LTC1443). Comparator
hysteresis is easily programmable using two resistors and
the HYST pin (LTC1444/LTC1445). Each comparator’s
input operates from the negative supply to within 1.3V of
the positive supply. The LTC1443/LTC1445 comparator
output stage can continuously source up to 40mA. By
eliminating the cross-conducting current that normally
happens when the comparator changes logic states, power
supply glitches are eliminated.
The LTC1443/LTC1444/LTC1445 are available in the
16-pin SO and PDIP packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
1443/LTC1444/LTC1445 are ultralow power quad
I
Battery-Powered System Monitoring
I
Threshold Detectors
I
Window Comparators
I
Oscillator Circuits
Reference Settling Test Circuit
–
+
IN A
+
5
OUT
V
+
V
–
R1
10k
R3
430
C1
1.0
μ
F
R2
2.4M
IN A
–
HYST
REF
4
14
8
5V
TO 8V
LTC1443/44/45 TA01
LTC1445
3
9
2
1.21M
1%
3.4M
1%
V
IN
Reference Settling
8V
5V
V
REF
OUT
V
+
2ms/DIV
LTC1443/1444/1445 TA02
2
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
相關PDF資料 |
PDF描述 |
|---|---|
| LTC1443CN | Ultralow Power Quad Comparators with Reference |
| LTC1443CS | Ultralow Power Quad Comparators with Reference |
| LTC1443IN | Ultralow Power Quad Comparators with Reference |
| LTC1443IS | Ultralow Power Quad Comparators with Reference |
| LTC1444 | Ultralow Power Quad Comparators with Reference |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC1443CDHD#PBF | 功能描述:IC COMP W/REF LOWPWR QUAD 16DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標準包裝:1 系列:- 類型:通用 元件數: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（標準）:84mA @ 5V 電流 - 靜態（最大值）:120µA CMRR, PSRR（標準）:- 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) 產品目錄頁面:1268 (CN2011-ZH PDF) 其它名稱:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LTC1443CDHD#TRPBF | 功能描述:IC COMP W/REF LOW PWR QUAD 16DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數: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（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 |
| LTC1443CN | 功能描述:IC COMP W/REF LOWPWR QUAD 16-DIP RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數: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（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 |
| LTC1443CN#PBF | 功能描述:IC COMP W/REF LOWPWR QUAD 16-DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數: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（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 |
| LTC1443CS | 制造商:Linear Technology 功能描述:Comparator Quad |
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