24-Bit Delta-Sigma DAC
8-Channel DAC:Ts'ebetso e Phahameng: Phapang, fS= 48 kHz
THD+N: -94 dB
SNR: 113 dB
Matla a Matla: 113 dB
Sekhahla sa sampole: 8 kHz ho isa 192 kHz
Oache ea Tsamaiso: 128 fS, 192 fS, 256 fS, 384 fS,512 fS, 768fS, 1152 fS
Phapang ea Voltage Output: 8 VPP
Sefahla sa Analog Lowpass se kenyelelitsoeSefe ea Dijithale ea 4x/8x Oversampling: Folakha ea Zero
Passband Ripple: ± 0.0018 dB
Stop Band Attenuation: -75 dB
Sebopeho sa Molumo se Fetohang:I/F Foromo: I2S™, Ka ho le letšehali-/Ka ho Le letona-Ho Loketsoe, DSP,TDM
Bolelele ba data: 16, 20, 24, 32 Bits
Taolo ea Mokhoa o Fetohang:3-Wire SPI, 2-Wire I2Seriana se lumellanang le CControl Interface, kapa Hardware Control
Mesebetsi e mengata ka SPI kapa I2CI/F:Audio I/F Kgetha Sebopeho: I2S, Ho lokafalitsoe ka ho le letšehali,Ho na le tokelo e nepahetseng, DSP, TDMAttenuation ea Dijithale le Semumu se Bonolo
Kgatello ya Digital: 32 kHz, 44.1 kHz,
48 kHz
Taolo ea Polarity ea data
Matla Fatše
Mesebetsi e Mengata ka Taolo ea H/W:
Audio I/F Khetho ea Sebopeho: I2S, TDM
Setlhopha sa Digital De-Emphasis: 44.1 kHz
Analog Mute ka Clock Halt Detection
Kantle RESET Pin
Lisebelisoa tsa Matla: 5 V bakeng sa Analog le 3.3 V bakeng sa Digital
Pakete: HTSSOP-48
Sebaka sa Mocheso o Sebeletsang:–40°C ho ea ho +85°C
Sesebelisoa sa PCM1690 ke sesebelisoa se phahameng sa ts'ebetso, se-single-chip, 24-bit, channel-8, audio digital-to-analog converter (DAC) e nang le liphello tse fapaneng.DAC e nang le likanale tse robeli, 24-bit e sebelisa modulator e ntlafalitsoeng, ea maemo a mangata ea delta-sigma (ΔΣ) mme e ts'ehetsa litekanyetso tsa lisampole tsa 8-kHz ho isa ho 192-kHz le 16-/20-/24-/32-bit bophara ba dijithale. lentsoe le kenyang molumo sehokelong sa molumo.Sebopeho sa molumo oa PCM1690 se tšehetsa sebopeho sa nako-division-multiplexed (TDM) ho phaella ho standard I.2S, liforomo tsa leqele, tse lokafalitsoeng ka ho le letona, le lifomate tsa DSP.
PCM1690 e ka laoloa ka sehokelo sa terata tse tharo, se lumellanang le SPI, kapa terata tse peli,2C-compatible serial interface ho software, e fanang ka phihlello ea lits'ebetso tsohle ho kenyelletsa attenuation ea dijithale, semumu se bonolo, ho hatisa, joalo-joalo.Hape, mokhoa oa ho laola hardware o fana ka karolo e nyenyane ea mesebetsi e ka sebelisoang ke mosebedisi ka lithapo tse peli tsa taolo.PCM1690 e fumaneha ka har'a 12-mm × 8-mm (12-mm × 6-mm 'mele) HTSSOP-48 sephutheloana.
Bakeng sa liphutheloana tsohle tse fumanehang, bona tlatsetso e ka hlophisoang qetellong ea leqephe la data.
1. Basebetsi lefapheng la hau la R & D ke bo-mang?Litšoaneleho tsa hau ke life?
-R & D Motsamaisi: etsa moralo oa nako e telele oa R & D oa k'hamphani le ho utloisisa tataiso ea lipatlisiso le nts'etsopele;Tataisa le ho hlokomela lefapha la r&d ho kenya tšebetsong leano la r&d la k'hamphani le moralo oa selemo le selemo oa R&D;Laola tsoelopele ea nts'etsopele ea lihlahisoa le ho lokisa moralo;Theha sehlopha se hloahloa sa lipatlisiso le nts'etsopele ea sehlahisoa, tlhahlobo le koetliso e amanang le basebetsi ba botekgeniki.
Mookameli oa R & D: etsa moralo oa sehlahisoa se secha sa R & D 'me u bontše ho khoneha ha moralo;Laola le ho laola tsoelopele le boleng ba mosebetsi oa r&d;Batlisisa ntshetsopele ya sehlahiswa se secha mme o sisinye ditharollo tse sebetsang ho ya ka ditlhoko tsa bareki mafapheng a fapaneng
Basebetsi ba R&d: bokella le ho hlophisa lintlha tsa bohlokoa;Lenaneo la khomphutha;Ho etsa liteko, liteko le ho sekaseka;Lokisetsa lisebelisoa le lisebelisoa bakeng sa liteko, liteko le litlhahlobo;Rekota lintlha tsa tekanyo, etsa lipalo le ho lokisa lichate;Etsa lipatlisiso tsa lipalo-palo
2. Maikutlo a hau a lipatlisiso le nts'etsopele ea sehlahisoa ke afe?
- Maikutlo a sehlahisoa le mohopolo oa sehlahisoa sa khetho le tlhahlobo ea tlhaloso ea sehlahisoa le moralo oa moralo oa projeke le tlhahlobo ea ntlafatso ea sehlahisoa le ho qala ho netefatsa 'marakeng