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参数资料
| 型号： | LTC1440CS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC COMP W/REF LP SINGLE 8-SOIC |
| 标准包装： | 2,500 |
| 类型： | 带电压基准 |
| 元件数： | 1 |
| 输出类型： | CMOS，TTL |
| 电压 - 电源，单路/双路(±)： | 2 V ~ 11 V，±1 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 10mV @ 5V |
| 电流 - 输出（标准）： | 0.02mA @ 5V |
| 电流 - 静态（最大值）： | 4.4µA |
| CMRR, PSRR（标准）： | 80dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 15µs |
| 磁滞： | 50mV |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
1
LTC1440/LTC1441/LTC1442
144012fd
APPLICATIO S
U
Ultralow Power Single/Dual
Comparator with Reference
V +
R1
1.65M
1%
R2
1.13M
1%
3.3V
V –
21
7
8
GND
OUT
LTC1440
1440 TA01
IN+
IN–
HYST
REF
3
4
5
6
–
+
TEMPERATURE (
°C)
–40
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
20
60
1440/1/2 TA02
–20
0
40
80
100
SUPPLY
CURRENT
(
A)
V+ = 5V
V– = GND = 0V
Micropower 2.9V VCC Threshold Detector
LTC1440 Supply Current vs Temperature
The LTC
1440/LTC1441/LTC1442 are ultralow power
single and dual comparators with built-in references. The
comparators feature less than 3.7
A supply current over
temperature (LTC1440), a 1.182V
±1% reference, pro-
grammable hysteresis (LTC1440/LTC1442) and TTL/CMOS
outputs that sink and source current. The reference output
can drive a bypass capacitor of up to 0.01
F without
oscillation.
The comparators operate from a single 2V to 11V supply
or a dual
±1V to ±5.5V supply (LTC1440). Comparator
hysteresis is easily programmed by using two resistors
and the HYST pin (LTC1440/LTC1442). Each comparator’s
input operates from the negative supply to within 1.3V of
the positive supply. The comparator output stage can
continuously source up to 40mA. By eliminating the
cross-conducting current that normally happens when the
comparator changes logic states, the power supply glitches
are eliminated.
The LTC1440 is available in 8-pin PDIP, SO, MSOP and
DFN packages. The LTC1441/LTC1442 are available in
8-pin PDIP and SO packages.
■ Battery-Powered System Monitoring
■
Threshold Detectors
■ Window Comparators
■ Oscillator Circuits
■ Ultralow Quiescent Current: 2.1
A Typ (LTC1440)
■ Reference Output Drives 0.01
F Capacitor
■
Adjustable Hysteresis (LTC1440/LTC1442)
■ Wide Supply Range:
Single: 2V to 11V
Dual:
±1V to ±5.5V
■ Input Voltage Range Includes the Negative Supply
■ TTL/CMOS Compatible Outputs
■
12
s Propagation Delay with 10mV Overdrive
■ No Crowbar Current
■ 40mA Continuous Source Current
■
Pin Compatible Upgrades for MAX921/922/923
■ 3mm x 3mm x 0.75mm DFN Package (LTC1440)
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1440IDD | 制造商:Linear Technology 功能描述:SC-Comps/Micropower, uP COMPARATOR 1% 1.182V Ref |
| LTC1440IDD#PBF | 功能描述:IC COMP SGL LP 1.182V REF 8-DFN RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:带电压基准 元件数:4 输出类型:开路漏极 电压 - 电源，单路/双路(±):2.5 V ~ 11 V，±1.25 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:- 磁滞:- 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 安装类型:表面贴装 包装:管件 产品目录页面:1386 (CN2011-ZH PDF) |
| LTC1440IDD#TRPBF | 功能描述:IC COMP SGL LP 1.182V REF 8-DFN RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:- 标准包装:25 系列:- 类型:带电压基准 元件数:4 输出类型:CMOS，开路漏极，TTL 电压 - 电源，单路/双路(±):2 V ~ 11 V，±1 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:12µs 磁滞:50mV 工作温度:0°C ~ 70°C 封装/外壳:16-DIP（0.300"，7.62mm） 安装类型:通孔 包装:管件 |
| LTC1440IMS8 | 制造商:Linear Technology 功能描述:SC-Comps/Micropower, uP COMPARATOR 1% 1.182V Ref |
| LTC1440IMS8#PBF | 功能描述:IC COMP SGL LP 1.182V REF 8-MSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:- 标准包装:25 系列:- 类型:带电压基准 元件数:4 输出类型:CMOS，开路漏极，TTL 电压 - 电源，单路/双路(±):2 V ~ 11 V，±1 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:12µs 磁滞:50mV 工作温度:0°C ~ 70°C 封装/外壳:16-DIP（0.300"，7.62mm） 安装类型:通孔 包装:管件 |
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