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| 型号： | LTC1540IS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC COMP NANOPOWER W/REF 8-SOIC |
| 标准包装： | 100 |
| 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）： | 12mV @ 5V |
| 电流 - 静态（最大值）： | 710nA |
| CMRR, PSRR（标准）： | 80dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 60µs |
| 磁滞： | 50mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 管件 |
| 产品目录页面： | 1324 (CN2011-ZH PDF) |
12
LTC1540
sn1540 1540fas
LT/TP 0403 1K REV A PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
TYPICAL APPLICATION
U
RF Field Detector
Figure 10 shows the complete circuit for a field detector
which was tested at 445MHz. A transmission line is used
to match the detector diode (1N5712) to a quarter-wave
whip antenna. The 0.23λ wavelength transmission line
section transforms the 1pF (350) diode junction capaci-
tance to a virtual short at the base of the antenna. At the
same time it converts the received antenna current to a
voltage loop at the diode, giving excellent sensitivity.
Figure 10. Nanopower Field Detector
–
+
LTC1540
2V TO 11V
2
1540 F10
10nF
0.23λ
1N5712
10nF
12M
180k
λ /4
10k
FB
7
6
5
8
3
4
1
Q
CMOS
ONE SHOT
(CD4047)
PART NUMBER
DESCRIPTION
COMMENTS
LT
1178/LT1179
Dual/Quad 17A Precision Single Supply Op Amps
70V Max VOS, 5nA Max IBIAS
LT1351
Single 250A, 3MHz, 200V/s Op Amp with Shutdown
C-Load
TM Op Amp Stable Driving Any Capacitive Load
LT1352/LT1353
Dual/Quad 250A, 3MHz, 200V/s Op Amps
C-Load Op Amps Stable Driving Any Capacitive Load
LTC1440
Micropower Comparator with 1% Reference
1.182V ±1% Reference, ±10mV (Max) Input Offset
LTC1443/LTC1444/LTC1445
Micropower Quad Comparators with 1% Reference
LTC1443 Has 1.182V Reference, LTC1444/LTC1445 Have
1.221V Reference and Adjustable Hysteresis
LTC1474
Low Quiescent Current High Efficiency
10A Standby Current, 92% Efficiency, Space Saving 8-Pin
Step-Down Converter
MSOP Package
LT1495
1.5A Max, Dual Precision Rail-to-Rail
375V Max VOS, 250pA IBIAS, 25pA IOS
Input and Output Op Amp
LT1521
300mA Low Dropout Regulator with Micropower
0.5V Dropout Voltage, 12A Quiescent Current, Adjustable
Quiescent Current and Shutdown
Output 3V, 3.3V and 5V Fixed
LT1634
Micropower Precision Shunt Voltage Reference
1.25V, 2.5V, 4.096V, 5V Outputs, 10A Operating Current,
0.05% Initial Accuracy 25ppm/°C Max Drift, SO-8, MSOP and
TO-92 Packages
C-Load is a trademark of Linear Technology Corporation.
RELATED PARTS
The rectified output is monitored by the LTC1540 com-
parator. The internal reference is used to set up a threshold
of about 18mV at the inverting input. A rising edge at the
comparator output triggers a one shot that temporarily
enables answer back and any other pulsed functions.
The total supply current is 400nA. Among other monolithic
one shots, the CD4047 draws the least amount of transient
current.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
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| LTC1541CDD#TR | 功能描述:IC OPAMP/COMP/REF MICROPWR 8-DFN RoHS:否 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
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