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參數(shù)資料
| 型號： | LMC567CM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 信令電路 |
| 英文描述： | Low Power Tone Decoder |
| 中文描述： | TELECOM, TONE DECODER CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, SO-8 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 168K |
| 代理商： | LMC567CM |
LMC567
Low Power Tone Decoder
General Description
The LMC567 is a low power general purpose LMCMOS
tone decoder which is functionally similar to the industry
standard
LM567.
It
consists
voltage-controlled oscillator (VCO) and quadrature dividers
which establish the reference signals for phase and ampli-
tude detectors. The phase detector and VCO form a
phase-locked loop (PLL) which locks to an input signal fre-
quency which is within the control range of the VCO. When
the PLL is locked and the input signal amplitude exceeds an
internally pre-set threshold, a switch to ground is activated
on the output pin. External components set up the oscillator
to run at twice the input frequency and determine the phase
and amplitude filter time constants.
of
a
twice
frequency
Features
n
Functionally similar to LM567
n
2V to 9V supply voltage range
n
Low supply current drain
n
No increase in current with output activated
n
Operates to 500 kHz input frequency
n
High oscillator stability
n
Ground-referenced input
n
Hysteresis added to amplitude comparator
n
Out-of-band signals and noise rejected
n
20 mA output current capability
Block Diagram
(with External Components)
LMCMOS
is a trademark of National Semiconductor Corp.
DS008670-1
Order Number LMC567CM or LMC567CN
See NS Package Number M08A or N08E
June 1999
L
1999 National Semiconductor Corporation
DS008670
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LMC567CN | Low Power Tone Decoder |
| LMC568 | Low Power Phase-Locked Loop |
| LMC568CM | Low Power Phase-Locked Loop |
| LMC568CN | Low Power Phase-Locked Loop |
| LMC6009 | 9 Channel Buffer Amplifier for TFT-LCD |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LMC567CM NOPB | 制造商:National Semiconductor 功能描述:Tone Decoder 8-Pin SOIC N T/R |
| LMC567CM/NOPB | 功能描述:電話振鈴器 Low Power Tone Decoder RoHS:否 制造商:NJR 產(chǎn)品:FSK Demodulator / Tone Decoder 封裝 / 箱體:DIP-14 頻率:0.01 Hz to 300 KHz 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| LMC567CM/NOPB | 制造商:Texas Instruments 功能描述:Tone Decoder IC |
| LMC567CMX | 功能描述:外圍驅(qū)動器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| LMC567CMX NOPB | 制造商:National Semiconductor 功能描述:Tone Decoder 8-Pin SOIC N T/R 制造商:National Semiconductor 功能描述:Tone Decoder 8-Pin SOIC T/R |
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