Semicon Original Variety Electronics Components Best STC AVR 8254 Microcontroller MCU IC TL2844BDR-8 SOP

Semicon Original Variety Electronics Components Molemo ka ho Fetisisa STC AVR 8254 Microcontroller MCU IC TL2844BDR-8 SOP Image Featured

tlhaloso e khuts'oane:

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Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Letoto la TL284xB le TL384xB ke phini e lumellanang le TL284x e tloaelehileng le TL384x ka lintlafatso tse latelang.Nako ea ho qala e hlalosoa e le 0.5 mA (max), ha oscillator discharge current e fokotsoa ho 8.3 mA (typ).Ho phaella moo, nakong ea maemo a ho koala ha motlakase, tlhahiso e na le matla a phahameng a saturation ea 1.2 V ha e ntse e teba 10 mA (VCC = 5 V).Phapang e kholo lipakeng tsa litho tsa letoto lena ke litekanyo tsa UVLO le mekhahlelo e mengata ea mesebetsi.Litekanyetso tse tloaelehileng tsa UVLO tsa 16 V (ho) le 10 V (e tima) lisebelisoa tsa TLx842B le TLx844B li etsa hore li tšoanelehe hantle lits'ebetsong tse kantle ho marang-rang.Mehaho e lumellanang e tloaelehileng ea lisebelisoa tsa TLx843B le TLx845B ke 8.4 V (ho) le 7.6 V (e tima).Lisebelisoa tsa TLx842B le TLx843B li ka sebetsa ho li-cycle tsa mosebetsi tse atamelang 100%.Mosebetsi oa 0% ho isa ho 50% o fumanoa ke TLx844B le TLx845B ka ho eketsoa ha flip-flop e ka hare, e koalang sephetho sa nako e 'ngoe le e 'ngoe ea oache. 40°C ho isa ho 85°C.Lisebelisoa tsa letoto la TL384xB li khetholloa bakeng sa ts'ebetso ho tloha ho 0°C ho isa ho 70°C.

Litšobotsi tsa Sehlahisoa

MOFUTA	TLHALOSO
Sehlopha	Lipotoloho tse Kopantsoeng (ICs) Sehokelo - CODECs
Mfr	Lisebelisoa tsa Texas
Letoto	-
Sephutheloana	Theipi le Reel (TR) Seha Tape (CT) Digi-Reel®
SPQ	250T&R
Boemo ba Sehlahiswa	E sebetsa
Mofuta	Molumo oa stereo
Data Interface	PCM Audio Interface
Resolution (Bits)	24 b
Palo ea li-ADC / DAC	2 / 2
Sigma Delta	Ee
S/N Karolelano, ADCs / DACs (db) Mofuta	92/102
Dynamic Range, ADCs / DACs (db) Mofuta	93/97
Voltage - Phepelo, Analog	2,7V ~ 3,6V
Voltage - Supply, Digital	1.65V ~ 1,95V
Mocheso oa ho sebetsa	-40°C ~ 85°C
Mofuta oa ho Beha	Thaba e kaholimo
Sephutheloana / Taba	32-VFQFN Ped e pepesitsoeng
Sephutheloana sa Sesebelisoa sa Bafani	32-VQFN (5x5)
Nomoro ea Sehlahisoa sa Motheo	TLV320

Molaoli oa PWM

Pulse Width Modulation (PWM) e bolela ts'ebeliso ea tlhahiso ea dijithale ea microprocessor ho laola potoloho ea analog mme ke mokhoa oa ho khouta boemo ba lets'oao la analoge ka mokhoa oa dijithale.Ho laola li-circuits tsa analog ka dijithale ho ka fokotsa litšenyehelo le tšebeliso ea matla ea sistimi haholo.Li-microcontroller tse ngata li na le balaoli ba PWM ka hare ho tsona.

Molao-motheo

Tlhaloso e khuts'oane ea molao-motheo oa molaoli oa PWM
Molao-motheo oa motheo oa taolo ea PWM o itšetlehile ka 'nete ea hore likhahla tse moqotetsane tsa molumo o lekanang oa tšusumetso le libopeho tse fapaneng li na le phello e tšoanang ha li kenyelletsoa ho hokahanya le inertia.Ho na le mekhoa e fapaneng ea ho khetholla ho feto-fetoha ha molumo oa pulse wide, joalo ka unipolar le bipolar, synchronous and asynchronous, rectangular wave modulation, le sine wave modulation.Mokhoa oa ho laola PWM oa unipolar o bolela hore leqhubu la motlakase le fetoloa feela ka tsela e le 'ngoe ka halofo ea potoloho,' me waveform ea PWM e boetse e fetoloa ka tsela e le 'ngoe feela, ha mokhoa oa ho laola PWM o fetola leqhubu la sephethephethe ka litsela tse peli ka halofo ea potoloho. , le waveform ea PWM le eona e fetotsoe ka mahlakoreng a mabeli.Ho ipapisitse le hore na lets'oao la sepalangoang le hokahantsoe le lets'oao la ho feto-fetoha, taolo ea PWM e ka aroloa ka ho feto-fetoha ha synchronous le modulation ea asynchronous.Rectangular waveform pulse wide modulation e tšoauoa ka kholomo ea bophara ba pulse bophara bo lekanang, mme e ka laola feela palo e itseng ea li-harmonics;Sine waveform pulse wide modulation e tšoauoa ka kholomo ea bophara ba pulse, eseng bophara bo lekanang, bophara bo fetoha ho latela molao oa sine, tlhahiso ea waveform e haufi le sine waveform.Sine wave pulse width modulation e boetse e bitsoa SPWM.ho hlahisa bophara ba pulse ho latela letšoao la taolo ke senotlolo sa mokhoa ona.Mokhoa oa papiso ea maqhubu a khutlotharo, mokhoa oa papiso ea hysteresis loop, le mokhoa oa vector ea sebaka sa marang-rang li sebelisoa hangata.

Balaoli ba PWM

Balaoli ba PWM ke bahlahisi ba tsebahalang.
Tse tsebahalang haholo ke Texas Instruments, Motorola, Feifei Semiconductor, Unitrode, Micro Linear, Silicon General Semiconductor, Siemens, STMicroelectronics, le Royal Philips Semiconductors ea Netherlands, joalo-joalo.

Mabapi le Sehlahisoa

TL284xB le TL384xB letoto la li-circuits tse kopantsoeng tsa taolo li fana ka likarolo tse hlokahalang bakeng sa ho kenya ts'ebetsong merero ea taolo ea mekhoa ea morao-rao ea dc-to-dc e tsitsitseng, e nang le bonyane ba likarolo tse ka ntle.Lipotoloho tse kenyellelitsoeng ka hare li kenyelletsa senotlolo sa undervoltage (UVLO) le tšupiso e nepahetseng e lokiselitsoeng ho nepahala ha ho kenngoa phoso ea amplifier.Lipotoloho tse ling tse ka hare li kenyelletsa logic ho netefatsa ts'ebetso ea latched, comparator pulse-width modulation (PWM) eo hape e fanang ka taolo ea moeli oa hona joale, le sethala sa tlhahiso ea totem-pole e etselitsoeng ho hlahisa kapa ho tebisa hona joale.Sekhahla sa tlhahiso, se loketseng ho khanna li-MOSFET tsa N-channel, se tlase ha se le naheng.
Letoto la TL284xB le TL384xB ke phini e lumellanang le TL284x e tloaelehileng le TL384x ka lintlafatso tse latelang.Nako ea ho qala e hlalosoa e le 0.5 mA (max), ha oscillator discharge current e fokotsoa ho 8.3 mA (typ).Ho phaella moo, nakong ea maemo a ho koala ha motlakase, tlhahiso e na le matla a phahameng a saturation ea 1.2 V ha e ntse e teba 10 mA (VCC = 5 V).
Phapang e kholo lipakeng tsa litho tsa letoto lena ke litekanyo tsa UVLO le mekhahlelo e mengata ea mesebetsi.Maemo a tloaelehileng a UVLO a 16 V (ho) le 10 V (e tima) lisebelisoa tsa TLx842B le TLx844B li etsa hore li tšoanelehe hantle lits'ebetsong tse kantle ho marang-rang.Mehaho e lumellanang e tloaelehileng ea lisebelisoa tsa TLx843B le TLx845B ke 8.4 V (ho) le 7.6 V (e tima).Lisebelisoa tsa TLx842B le TLx843B li ka sebetsa ho li-cycle tsa mosebetsi tse atamelang 100%.Mosebetsi oa potoloho ea 0% ho isa ho 50% o fumanoa ke TLx844B le TLx845B ka ho eketsoa ha flip-flop e ka hare, e koalang sephetho sa nako e 'ngoe le e 'ngoe ea oache. 40°C ho isa ho 85°C.Lisebelisoa tsa letoto la TL384xB li khetholloa bakeng sa ts'ebetso ho tloha ho 0°C ho isa ho 70°C.

E fetileng: TLV320AIC3101IRHBR ea Boemo bo Phahameng e Ncha & ea Pele ea Likarolo tsa Elektronike tsa IC tse Kopantsoeng ka Setokong.

E 'ngoe: Spot electronic IC chip TL431BIDBZR e kopantsoeng potoloho ea Voltage References BOM SERVICE RELIABLE SUPPLIER

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