TLV320AIC3101IRHBR ea Boemo bo Phahameng e Ncha & ea Pele ea Likarolo tsa Elektronike tsa IC tse Kopantsoeng ka Setokong.
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 |
Tlhaloso
Codec ea molumo ke codec (sesebediswa kapa lenaneo la khomphutha le khonang ho khouta kapa ho tsebahatsa phallo ea data ea dijithale) e kopanyang kapa e hlakisang molumo.Ho software, audio codec ke lenaneo la khomphutha le sebelisang algorithm e hatellang le ho nyenyefatsa data ea audio ea dijithale ho latela faele e fanoeng ea molumo kapa fomate ea likhoutu tsa audio.Algorithm e ikemiselitse ho emela lets'oao la molumo o phahameng o nang le palo e fokolang ea likotoana ha o ntse o boloka boleng.
Molao-motheo oa ho Sebetsa
Li-chips tsa audio decoder li sebetsa ka melao-motheo e latelang.
1. Digitization ea lets'oao la molumo: digitization ea lets'oao ho bolela ho fetolela lets'oao le tsoelang pele la analog hore e be lets'oao le ikhethileng la dijithale, leo ka kakaretso le hlokang mehato e meraro ea sampole, quantization le coding.
2. Sampling: Tatellano ea boleng ba sampole ea lets'oao ka linako tse itseng e sebelisoa ho nkela lets'oao le tsoelang pele ka nako.
3. quantization: ho sebelisa palo e lekanyelitsoeng ea tekanyo ea amplitude ea phetoho ea pele e tsoelang pele ka nako, pontšo ea analoge e tsoelang pele ea amplitude ho palo e lekanyelitsoeng ea litekanyetso tsa discrete ka nako e itseng.
4. encoding: ho ea ka melao e itseng, litekanyetso tsa quantized discrete li hlahisoa ka linomoro tsa binary.Ts'ebetso e kaholimo ea digitization e boetse e tsejoa e le Pulse Code Modulation (Pulse Code Modulation), hangata e finyelloang ke li-converter tsa A/D.
5. Sampling ea molumo: sampole ke ho nka litekanyetso tse 'maloa tsa baemeli ho tsoa ho lets'oao le sa khaotseng la analoge ka nako, ho emela lets'oao lena le sa khaotseng la analoge.Letšoao le tsoelang pele la molumo oa analog ka nako le boholo ba tafole ea ts'ebetso bakeng sa x (t), ts'ebetso ea sampole ke ts'ebetso ea x (t) ts'ebetsong ea nako e fapaneng.Sampling e akaretsang e etsoa ka linako tse fapaneng.E re nako ena e be T, ebe lets'oao la sampole ke x(nT), n ho ba nomoro ea tlhaho.
Sehlahisoa
TLV320AIC3101 ke codec ea molumo oa stereo ea matla a tlase e nang le amplifier ea li-headphone tsa stereo, hammoho le likenyelletso le liphetho tse ngata tse ka hlophisehang ka tlhophiso ea pheletso e le 'ngoe kapa e fapaneng ka botlalo.Taolo ea matla e pharalletseng e thehiloeng ho rejisetara e kenyelelitsoe, e nolofalletsang ho bapaloa ha stereo 48-kHz DAC ka tlase ho 14 mW ho tsoa phepelong ea analoge ea 3.3-V, e leng se etsang hore e be e loketseng bakeng sa lits'ebetso tsa mamelwang tse tsamaisoang ke betri le mohala.
Tsela ea rekoto ea TLV320AIC3101 e na le leeme le kopaneng la maekrofono, preamplifier ea stereo ea stereo e laoloang ka dijithale, le taolo ea othomathike ea ho fumana (AGC), e nang le bokhoni ba ho kopanya / mux har'a lisebelisoa tse ngata tsa analog.Li-filters tse hlophisitsoeng li fumaneha nakong ea rekoto e ka tlosang lerata le utloahalang le ka hlahang nakong ea ho atametsa lik'hamera tsa digital.Tsela ea ho bapala e kenyelletsa bokhoni ba motsoako / mux ho tloha ho stereo DAC le lisebelisoa tse khethiloeng, ka ho laola molumo o hlophisitsoeng, ho ea ho liphetho tse fapaneng.
TLV320AIC3101 e na le litebelisoa tse 'nè tse hlahisang matla a phahameng hammoho le li-driver tse peli tse fapaneng ka ho feletseng.Bakhanni ba matla a phahameng ba khona ho khanna mefuta e fapaneng ea litlhophiso tsa mojaro, ho kenyeletsoa liteishene tse fihlang ho tse 'ne tsa li-headphone tsa 16-Ω tse sa feleng li sebelisa li-ac-coupling capacitor, kapa li-headphones tsa stereo 16-Ω ka har'a tlhophiso ea tlhahiso e se nang capless.Ntle le moo, lipara tsa bakhanni li ka sebelisoa ho khanna libui tsa 8-Ω ka tlhophiso ea BTL ho 500 mW mocha ka mong.
DAC ea molumo oa stereo e tšehetsa litekanyetso tsa lisampole ho tloha ho 8 kHz ho isa ho 96 kHz 'me e kenyelletsa ho sefa ka mokhoa o hlophisehileng oa dijithale tseleng ea DAC bakeng sa 3D, bass, treble, litlamorao tsa midrange, tekano ea libui, le ho fokotsa khatiso ea 32-kHz, 44.1-kHz le 48 -kHz litekanyetso tsa mohlala.ADC ea molumo oa stereo e ts'ehetsa litekanyetso tsa lisampole ho tloha ho 8 kHz ho isa ho 96 kHz 'me e etelloa pele ke li-amplifiers tse ka khonehang kapa AGC tse ka fanang ka phaello ea analog ea 59.5-dB bakeng sa ho kenya li-microphone tsa boemo bo tlaase.TLV320AIC3101 e fana ka mefuta e mengata e phahameng haholo ea mananeo bakeng sa tlhaselo ka bobeli (8–1,408 ms) le bakeng sa ho bola (metsotsoana e 0.05–22.4).Letoto lena le atolositsoeng la AGC le lumella AGC ho hlophisoa bakeng sa mefuta e mengata ea lits'ebetso.
Bakeng sa lits'ebetso tsa ho boloka betri moo ho sa hlokeheng ts'ebetso ea lets'oao la analoge kapa la dijithale, sesebelisoa se ka beoa ka mokhoa o ikhethileng oa lets'oao la analoge.Mokhoa ona o fokotsa haholo tšebeliso ea matla, kaha boholo ba sesebelisoa se theohile nakong ea ts'ebetso ena ea ho feta.
Bese ea serial control e ts'ehetsa protocol ea I2C, athe bese ea data ea serial audio e ka lokisetsoa bakeng sa mekhoa ea I2S, ea leqele/le letona, DSP, kapa mekhoa ea TDM.PLL e hlophisehileng haholo e kenyellelitsoe bakeng sa tlhahiso ea lioache le ts'ehetso bakeng sa litefiso tsohle tse tloaelehileng tsa molumo ho tloha mefuteng e mengata e fapaneng ea li-MCLK tse fumanehang, ho tloha ho 512 kHz ho isa ho 50 MHz, ka tlhokomelo e khethehileng e lefshoang linyeoeng tse tsebahalang haholo tsa 12-MHz, 13- MHz, 16-MHz, 19.2-MHz, le 19.68-MHz lioache tsa tsamaiso.
TLV320AIC3101 e sebetsa ho tloha phepelong ea analoge ea 2.7 V–3.6 V, phepelo ea mantlha ea dijithale ea 1.525 V–1.95 V, le phepelo ea I/O ea dijithale ea 1.1 V–3.6 V. Sesebelisoa se fumaneha ka 5-mm × 5 -mm 32-pin QFN sephutheloana.