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參數(shù)資料
| 型號： | LTC1542 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower Op Amp, Comparator and Reference |
| 中文描述： | 微功率運算放大器，比較器和參考 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 180K |
| 代理商： | LTC1542 |
1
LTC1541/LTC 1542
Micropower Op Amp,
C omparator and Reference
FEATURES
I
Quiescent Current: 5
μ
A Typ
I
Outputs Swing Rail-to-Rail
I
Low Op Amp Offset Voltage: 700
μ
V Max
I
Reference Output Drives 0.01
μ
F Capacitor
I
Internal 1.2V
±
0.4% Reference Output (LTC1541)
I
Low Input Bias Current: 1nA Max
I
Reference Output Can Source Up to 2mA
I
Internal
±
3mV Comparator Hysteresis
I
Comparator and Op Amp Input Range
Includes Ground
I
Op Amp Capable of Driving Up to 1000pF Load
I
Unity-Gain Stable and 12kHz Bandwidth
I
2.5V to 12.6V Supply Voltage Range
I
Pin Compatible Upgrade for MAX951/MAX953
The LTC
1541/LTC1542 combine a micropower ampli-
fier, comparator and bandgap reference (LTC1541) in an
8-pin package. The part operates from a single 2.5V to
12.6V or dual
±
1.25V to
±
6.3V supply with a typical supply
current of 5
μ
A. Both the op amp and comparator feature
a common mode input voltage range that extends from the
negative supply to within 1.3V of the positive supply. The
op amp output stage swings from rail-to-rail. The
comparator’s inverting input is internally connected to the
reference output (LTC1541).
The reference output voltage is 1.2V
±
1% over the
extended temperature range. The output can drive a
bypass capacitor of up to 0.01
μ
F without any oscillations.
It can also source up to 2mA and sink up to 20
μ
A.
The op amp is internally compensated to be unity-gain
stable with typical GBW at 12kHz and slew rate of 8V/ms.
The comparator has
±
3mV of internal hysteresis to ensure
clean output switching, even with slow moving input
signals.
The LTC1541/LTC1542 are available in MSOP and SO-8
packages.
DESCRIPTIO
N
U
APPLICATIO
N
S
U
I
Battery- or Solar-Powered Systems
I
Automotive Keyless Entry
I
Low Frequency, Local Area Alarms/Detectors
I
Infrared Receivers for Remote Controls
I
Smoke Detectors and Safety Sensors
I
GSM Portable Phones
TYPICAL APPLICATIO
N
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
Op Amp V
OS
Distribution,
V
CM
= 2.5V, SO-8 Package
Total of 839 Units
INPUT OFFSET VOLTAGE (
μ
V)
–600
P
600
1541/42 TA02
–300
0
300
50
40
30
20
10
0
V
CC
= 5V
V
SS
= 0V
–
+
1
2
3
7
8
2N3904
SCR LOAD
5
2M
6
2.2
μ
F
1N457
LOW BATTERY
OUTPUT HIGH = “ON”
OUTPUT LOW = “OFF”
1.2V INTERNAL
REFERENCE
1541/42 TA01
–
+
10k
VN2222
2M
1M
100k
10M
1k
–
+
1/2 LTC1541
1/2 LTC1541
10k
I
CC
= 7
μ
A AT V
IN
= 5V
TYPE R
1N457
V
IN
= 3.6V TO 9V
Pilot Light Flame Detector with Low-Battery Lockout
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1542CDD | 功能描述:IC OPAMP/COMP/REF MICROPWR 8-DFN RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC1542CDD#PBF | 功能描述:IC OPAMP/COMP/REF MICROPWR 8-DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC1542CDD#TR | 功能描述:IC OPAMP/COMP/REF MICROPWR 8-DFN RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC1542CDD#TRPBF | 功能描述:IC OPAMP/COMP/REF MICROPWR 8-DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC1542CMS8 | 功能描述:IC OPAMP/COMP/REF MICRPWR 8MSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
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