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參數(shù)資料
| 型號(hào)： | LTC1540C |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Nanopower Comparator with Reference |
| 中文描述： | Nanopower比較與參考 |
| 文件頁(yè)數(shù)： | 12/12頁(yè) |
| 文件大?。?/td> | 247K |
| 代理商： | LTC1540C |
12
LTC1540
1540f LT/TP 0498 4K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
G
(408) 432-1900
FAX: (408) 434-0507
G
TELEX: 499-3977
G
www.linear-tech.com
TYPICAL APPLICATIO
N
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 0.23
λ
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
0.23
λ
1N5712
10nF
12M
180k
λ
/4
10k
FB
7
6
5
8
3
4
1
Q
Q
CMOS
ONE SHOT
(CD4047)
PART NUMBER
LT
1178/LT1179
LT1351
LT1352/LT1353
LTC1440
LTC1443/LTC1444/LTC1445
DESCRIPTION
Dual/Quad 17
μ
A Precision Single Supply Op Amps
Single 250
μ
A, 3MHz, 200V/
μ
s Op Amp with Shutdown
Dual/Quad 250
μ
A, 3MHz, 200V/
μ
s Op Amps
Micropower Comparator with 1% Reference
Micropower Quad Comparators with 1% Reference
COMMENTS
70
μ
V Max V
OS
, 5nA Max I
BIAS
C-Load
TM
Op Amp Stable Driving Any Capacitive Load
C-Load
Op Amps Stable Driving Any Capacitive Load
1.182V
±
1% Reference,
±
10mV (Max) Input Offset
LTC1443 Has 1.182V Reference, LTC1444/LTC1445 Have
1.221V Reference and Adjustable Hysteresis
10
μ
A Standby Current, 92% Efficiency, Space Saving 8-Pin
MSOP Package
375
μ
V Max V
OS
, 250pA I
BIAS
, 25pA I
OS
LTC1474
Low Quiescent Current High Efficiency
Step-Down Converter
1.5
μ
A Max, Dual Precision Rail-to-Rail
Input and Output Op Amp
300mA Low Dropout Regulator with Micropower
Quiescent Current and Shutdown
Micropower Precision Shunt Voltage Reference
LT1495
LT1521
0.5V Dropout Voltage, 12
μ
A Quiescent Current, Adjustable
Output 3V, 3.3V and 5V Fixed
1.25V, 2.5V, 4.096V, 5V Outputs, 10
μ
A Operating Current,
0.05% Initial Accuracy 25ppm/
°
C Max Drift, SO-8, MSOP and
TO-92 Packages
LT1634
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1540CMS8 | Nanopower Comparator with Reference |
| LTC1540CS8 | Nanopower Comparator with Reference |
| LTC1540I | Advanced LinEPIC Self-Calibrating (Self-Cal) Precision Operational Amplifier 8-SOIC |
| LTC1544CG | Software-Selectable Multiprotocol Transceiver |
| LTC1544IG | Software-Selectable Multiprotocol Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1540CDD | 功能描述:IC COMP NANOPOWER W/REF 8DFN 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(kāi)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 |
| LTC1540CDD#PBF | 功能描述:IC COMP NANOPOWER W/REF 8DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:通用 元件數(shù):1 輸出類型:CMOS，開(kāi)路集電極，TTL 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:7mV @ 5V 電流 - 輸入偏壓（最小值）:0.25µA @ 5V 電流 - 輸出（標(biāo)準(zhǔn)）:84mA @ 5V 電流 - 靜態(tài)（最大值）:120µA CMRR, PSRR（標(biāo)準(zhǔn)）:- 傳輸延遲（最大）:600ns 磁滯:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類型:表面貼裝 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1268 (CN2011-ZH PDF) 其它名稱:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LTC1540CDD#TR | 功能描述:IC COMP 300NA 2% VOLT REF 8-DFN 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(kāi)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 |
| LTC1540CDD#TRPBF | 功能描述:IC COMP NANOPOWER W/REF 8DFN 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(kāi)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 |
| LTC1540CMS8 | 功能描述:IC COMP NANOPOWER W/REF 8-MSOP 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(kāi)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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