TLV320AIC3101IRHBR High Quality Sabbin&Asali Haɗin Kayan Wutar Lantarki na IC A Hannun jari
Halayen Samfur
TYPE | BAYANI |
Kashi | Haɗin kai (ICs) Interface - CODECs |
Mfr | Texas Instruments |
Jerin | - |
Kunshin | Tape & Reel (TR) Yanke Tape (CT) Digi-Reel® |
SPQ | 250T&R |
Matsayin samfur | Mai aiki |
Nau'in | Sitiriyo Audio |
Interface Data | PCM Audio Interface |
Ƙaddamarwa (Bits) | 24 b |
Adadin ADCs/DACs | 2/2 |
Sigma Delta | Ee |
Rabo S/N, ADCs / DACs (db) Nau'in | 92/102 |
Rage Rage, ADCs / DACs (db) Nau'in | 93/97 |
Voltage - Supply, Analog | 2.7 ~ 3.6V |
Voltage - Supply, Digital | 1.65V ~ 1.95V |
Yanayin Aiki | -40°C ~ 85°C |
Nau'in hawa | Dutsen Surface |
Kunshin / Case | 32-VFQFN Fitar da Kushin |
Kunshin Na'urar Mai bayarwa | 32-VQFN (5x5) |
Lambar Samfurin Tushen | Saukewa: TLV320 |
Ma'anarsa
Codec mai jiwuwa codec ne (na'urar ko shirin kwamfuta wanda ke da ikon yin rikodin rikodin rafin bayanan dijital) wanda ke ɓoye ko yanke sauti.A cikin software, codec mai jiwuwa shiri ne na kwamfuta wanda ke aiwatar da algorithm wanda ke matsawa da kuma rage bayanan sauti na dijital bisa ga fayil mai jiwuwa da aka bayar ko tsarin coding mai jiwuwa.Algorithm na nufin wakiltar siginar sauti mai inganci tare da ƙaramin adadin rago yayin kiyaye inganci.
Ƙa'idar Aiki
Chips decoder audio suna aiki akan ka'idodi masu zuwa.
1. Digitization na siginar mai jiwuwa: ƙididdige siginar yana nufin canza siginar analog ci gaba zuwa siginar dijital mai hankali, wanda gabaɗaya yana buƙatar ɗaukar matakai uku, ƙididdigewa, da coding.
2. Samfura: Ana amfani da jerin ƙimar samfurin sigina a wasu tazara don maye gurbin siginar ci gaba na asali cikin lokaci.
3. ƙididdigewa: ta amfani da ƙayyadaddun adadin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙimar asali na ci gaba da canji a cikin lokaci, siginar analog na ci gaba da haɓakawa zuwa ƙayyadaddun ƙididdiga masu hankali tare da takamaiman tazara.
4. encoding: bisa ga wasu ƙa'idodi, ƙididdige ƙididdige ƙididdige ƙididdiga na ƙididdigewa a cikin lambobi biyu.Tsarin digitization na sama kuma ana kiransa da Modulation Code Modulation (Pulse Code Modulation), yawanci ana samun su ta hanyar masu canza A/D.
5. Samfurin sauti: Samfuran shine ɗaukar ƙimar samfuran wakilai da yawa daga siginar analog mai ci gaba da bambanta a cikin lokaci, don wakiltar wannan siginar analog mai bambanta ci gaba.Ci gaba da siginar sauti na analog a cikin lokaci da girman teburin aikin don x (t), tsarin samarwa aikin x (t) ne a cikin ƙayyadaddun tsari.Ana yin samfurin gabaɗaya a tsaka-tsakin lokaci iri ɗaya.Bari wannan tazara ta zama T, sannan siginar samfurin shine x(nT), n kasancewar lamba ta halitta.
Samfura
TLV320AIC3101 codec ne na sitiriyo mai ƙarancin ƙarfi tare da amplifier na lasifikan kai na sitiriyo, haka kuma abubuwa da yawa da abubuwan samarwa waɗanda za'a iya tsara su a cikin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai ko cikakkun bayanai.An haɗa babban ikon tushen rijistar rajista, yana ba da damar sake kunnawa na sitiriyo 48-kHz DAC ƙasa da 14mW daga wadatar analog na 3.3-V, yana mai da shi manufa don aikace-aikacen sauti na baturi mai ɗaukar hoto da wayar tarho.
Hanyar rikodin TLV320AIC3101 tana ƙunshe da haɗaɗɗiyar son rai na makirufo, mai sarrafa makirufo preamplifier na dijital, da sarrafa riba ta atomatik (AGC), tare da damar haɗuwa/mux tsakanin abubuwan shigar analog da yawa.Ana samun filtattun shirye-shirye a lokacin rikodin wanda zai iya cire amo mai ji wanda zai iya faruwa yayin zuƙowa na gani a cikin kyamarori na dijital.Hanyar sake kunnawa ta haɗa da iyawar haɗawa/mux daga sitiriyo DAC da zaɓin abubuwan da aka zaɓa, ta hanyar sarrafa ƙarar shirye-shirye, zuwa nau'ikan kayan aiki daban-daban.
TLV320AIC3101 yana ƙunshe da direbobin fitarwa masu ƙarfi huɗu da kuma manyan direbobin fitarwa guda biyu.Direbobin fitarwa masu ƙarfi suna da ikon tuƙi nau'ikan jeri iri-iri, gami da har zuwa tashoshi huɗu na belun kunne na 16-Ω mai ƙarewa guda ɗaya ta amfani da ac-coupling capacitors, ko belun kunne na sitiriyo 16-Ω a cikin tsarin fitarwa mara ƙarfi.Bugu da ƙari, ana iya amfani da nau'i-nau'i na direbobi don fitar da masu magana da 8-Ω a cikin tsarin BTL a 500 mW kowace tashar.
DAC na sitiriyo na sitiriyo yana goyan bayan ƙimar ƙima daga 8 kHz zuwa 96 kHz kuma ya haɗa da tace dijital na shirye-shirye a cikin hanyar DAC don 3D, bass, treble, tasirin tsaka-tsaki, daidaitawar magana, da ƙaddamarwa don 32-kHz, 44.1-kHz, da 48 - kHz samfurin rates.ADC mai jiwuwa na sitiriyo yana goyan bayan ƙimar ƙima daga 8 kHz zuwa 96 kHz kuma ana gabace shi ta hanyar amplifiers masu amfani da shirye-shirye ko AGC waɗanda zasu iya ba da riba ta analog har zuwa 59.5-dB don shigar da ƙananan matakan makirufo.TLV320AIC3101 yana ba da babban kewayon shirye-shirye don duka hari (8-1,408 ms) da kuma lalata (0.05-22.4 seconds).Wannan tsawaita kewayon AGC yana ba da damar AGC don daidaitawa don nau'ikan aikace-aikace da yawa.
Don aikace-aikacen adana baturi inda ba a buƙatar siginar analog ko dijital, ana iya sanya na'urar a cikin yanayin wucewa ta siginar analog na musamman.Wannan yanayin yana rage yawan amfani da wutar lantarki sosai, saboda yawancin na'urar tana yin ƙarfi yayin wannan aikin wucewa.
Serial control bas yana goyan bayan ka'idar I2C, yayin da serial data bas ɗin ana iya tsara shi don I2S, hagu/dama, DSP, ko hanyoyin TDM.An haɗa PLL ɗin da za a iya tsarawa sosai don ƙirar agogo mai sassauƙa da goyan baya ga duk daidaitattun ƙimar sauti daga ɗimbin kewayon MCLKs da ke akwai, wanda ya bambanta daga 512 kHz zuwa 50 MHz, tare da kulawa ta musamman ga mafi mashahuri lokuta na 12-MHz, 13- MHz, 16-MHz, 19.2-MHz, da 19.68-MHz tsarin agogo.
TLV320AIC3101 yana aiki daga samfurin analog na 2.7 V-3.6 V, mai mahimmanci na dijital na 1.525 V-1.95 V, da kuma I / O na dijital na 1.1 V-3.6 V. Ana samun na'urar a cikin 5-mm × 5. -mm 32-pin QFN kunshin.