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參數(shù)資料
| 型號(hào)： | LT1018IS8#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR MICRPWR DUAL 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類型： | 通用 |
| 元件數(shù)： | 2 |
| 輸出類型： | 上拉 |
| 電壓 - 電源，單路/雙路(±)： | 1.1 V ~ 40 V，±0.55 V ~ 20 V |
| 電壓 - 輸入偏移（最小值）： | 1mV @ ±20V |
| 電流 - 輸入偏壓（最小值）： | 0.075µA @ ±20V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 70mA @ 4.5V |
| 電流 - 靜態(tài)（最大值）： | 250µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 115dB CMRR，110dB PSRR |
| 傳輸延遲（最大）： | 6µs |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 管件 |
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LT1017/LT1018
1
10178ff
TYPICAL APPLICATION
DESCRIPTION
Micropower
Dual Comparator
The LT1017/LT1018 are general purpose micropower
comparators. The LT1017 is optimized for lowest operat-
ing power while the LT1018 operates at higher power and
higher speed. Both devices can operate from a single 1.1V
cell up to 40V. The output stage includes a class “B” pull-
up current source, eliminating the need for an external
resistive pull-up and saving power. The output stage is
also designed to allow driving loads connected to a supply
more positive than the device, as can comparators with
open-collector output stages.
Input specications are also excellent. On-chip trimming
minimizes offset voltage, while high gain and common
mode rejection ratio keep other input referred errors low.
Common mode voltage range includes ground. Special
circuitry prevents false output states even if the input is
overdriven.
The LT1017/LT1018 are pin compatible with older dual
comparators such as 393 type devices.
1.5V Powered Refrigerator Alarm
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
FEATURES
APPLICATIONS
n Maximum Offset Voltage: 1mV
n Maximum Bias Current: 15nA
n Typical Output Drive: 70mA
n Operates from 1.1V to 40V
n Internal Pull-Up Current
n Output Can Drive Loads Above V+
n 30μA Supply Current (LT1017)
110μA Supply Current (LT1018)
n Available in 8-Lead PDIP, 8-Lead Plastic S0, and
16-Lead Plastic SO Packages
n Power Supply Monitors
n Relay Driving
n Oscillators
Supply Current
3
665k
1%
52.3k
1%
OUTPUT HIGH FOR
0°C ≤ T ≤ 5°C
280k
1%
YSI 44011
258.3k AT 5°C
333.1k AT 0°C
665k
1%
V+
1.5V
1
8
2
–
+
1/2 LT1017
5
7
4
1017/18 TA01
6
–
+
1/2 LT1017
TOTAL SUPPLY VOLTAGE (V)
12
4
0
SUPPLY
CURRENT
(μA)
40
80
160
10
20
40
100
1017/18 TA02
120
20
60
140
100
LT1018
OUTPUTS
LOW
LT1017
OUTPUTS
LOW
LT1018
OUTPUTS
HIGH
LT1017
OUTPUTS
HIGH
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