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參數(shù)資料
| 型號： | LTC1841I |
| 廠商： | Linear Technology Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | RSO-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 09V; Power: 1W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protectionwith Current Foldback; Low Noise; No External Capacitor needed; Efficiency to 83% |
| 中文描述： | 超低功耗雙比較參考 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 249K |
| 代理商： | LTC1841I |
1
LTC1841/LTC1842/LTC1843
Ultralow Power Dual
Comparators with Reference
LTC1843 Supply Current
vs Supply Voltage
SUPPLY VOLTAGE (V)
0
S
μ
A
3
4
5
8
1841/43 TA02
2
1
0
2
4
6
10
12
T
A
= 25
°
C
The LTC
1841/LTC1842/LTC1843 are ultralow power dual
comparators with built-in reference (LTC1842/LTC1843).
The comparators feature less than 5.7
μ
A supply current
over temperature, a 1.182V
±
1% reference, program-
mable hysteresis and open-drain outputs that sink cur-
rent. The reference output can drive a bypass capacitor of
up to 0.01
μ
F without oscillation.
The LTC1841 operates from a single 2V to 11V supply or
a dual
±
1V to
±
5.5V supply. The LTC1842/LTC1843
operate from a single 2.5V to 11V supply or a dual
±
1.25V
to
±
5.5V supply. The LTC1842/LTC1843 hysteresis is
easily programmed by using two resistors and the HYST
pin. The comparators’ input operates from the negative
supply to within 1.3V of the positive supply. The compara-
tors’ output stage can typically sink greater than 20mA. By
eliminating the cross-conduction current that normally
happens when the comparators change logic states, power
supply glitches are eliminated.
The LTC1841/LTC1842/LTC1843 are available in SO-8
packages.
FEATURES
DESCRIPTIO
N
U
I
Ultralow Quiescent Current: 3.5
μ
A Typ
I
Open-Drain Outputs Typically Sink
Greater Than 20mA
I
Wide Supply Range: (LTC1841)
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
I
12
μ
s Propagation Delay with 10mV Overdrive
I
No Current Spike When Switching
R4
20k
R5
1.1M
R
C
20k
C
C
0.0
μ
F
R7
500k
OUTPUT
5V
600mA
LBO
R3
1M
R2
100k
R1
1.5M
C1
100
μ
F
1-CELL
Li-Ion
BATTERY
R6
25k
7
8
6
7
D1
L1
10
μ
H
4
8
3
1
2
1
6
C1, C2: SANYO OS-CON
D1: MOTOROLA MBRS130LT3
L1: COILTRONICS CTX10-3
2
5
1841/43 TA01
3
4
+
C2
100
μ
F
Si9924DY
+
–
+
–
+
V
CC
OUT B
LTC1843
OUT A
REF
V
–
HYST
IN A
+
IN B
–
V
IN
SW
LT1302-5
SHDN
PGND
V
C
I
T
SENSE
GND
TYPICAL APPLICATIO
N
U
Single Li-Ion Cell to 5V Supply
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO
S
U
I
Battery-Powered System Monitoring
I
Threshold Detectors
I
Window Comparators
I
Oscillator Circuits
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1841IS8 | RSO-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 09V; Power: 1W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protectionwith Current Foldback; Low Noise; No External Capacitor needed; Efficiency to 83% |
| LTC1842CS8 | Ultralow Power Dual Comparators with Reference |
| LTC1842I | Ultralow Power Dual Comparators with Reference |
| LTC1842IS8 | Ultralow Power Dual Comparators with Reference |
| LTC1843C | Ultralow Power Dual Comparators with Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1841IS8 | 功能描述:IC COMP ULTLOPWR W/REF DUAL8SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 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）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LTC1841IS8#PBF | 功能描述:IC COMP ULTLOPWR W/REF DL 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 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）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LTC1841IS8#TR | 功能描述:IC COMPARATOR DUAL ULT LP 8SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 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）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LTC1841IS8#TRPBF | 功能描述:IC COMP ULTLOPWR W/REF DL 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 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）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LTC1842CS8 | 功能描述:IC COMP ULTLOPWR W/REF DUAL8SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 類型:帶電壓基準(zhǔn) 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 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）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
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