24-ntsis Delta-Sigma DAC
8-Channel DAC: Kev Ua Haujlwm Siab: Sib txawv, fS= 48 kHz
THD + N: -94 dB
SNR: 113 dB
Dynamic Range: 113 dB
Sampling tus nqi: 8 kHz txog 192 kHz
Lub Sijhawm Sijhawm: 128 fS, 192 ibSib., 256 fS, 384 ibS,512f ibSib ,768fS, 1152 ibS
Qhov hluav taws xob sib txawv: 8 VPP
Analog Lowpass Filter suav nrog4x / 8x Oversampling Digital Lim: Zero Flag
Kev hloov pauv hloov pauv: ± 0.0018 dB
Nres Band Attenuation: -75 dB
Saj zawg zog Suab Interface: I / F Hom: I2S™, Left-/Right-Justified, DSP,TDM
Cov ntaub ntawv Length: 16, 20, 24, 32 Bits
Hloov hom kev tswj: 3-Wire SPI, 2-Wire I2C-Compatible SerialControl Interface, lossis Hardware Control
Ntau Txoj Haujlwm Los Ntawm SPI lossis I2CI/F: Audio I/F Format Xaiv: I2S, Left-Justified,Txoj Cai-Justified, DSP, TDMDigital Attenuation thiab Soft Mute
Digital De-Emphasis: 32 kHz, 44.1 kHz,
48 kHz
Cov ntaub ntawv Polarity Control
Hwj chim down
Ntau Txoj Haujlwm Los Ntawm H/W Tswj:
Audio I/F Format Xaiv: I2S, TDM
Digital De-Emphasis Lim: 44.1 kHz
Analog Mute los ntawm Clock Halt Detection
Sab nraud RESET Pin
Cov Khoom Siv Hluav Taws Xob: 5 V rau Analog thiab 3.3 V rau Digital
Pob: HTSW-48
Kev khiav hauj lwm kub: -40 ° C rau + 85 ° C
PCM1690 ntaus ntawv yog ib qho kev ua tau zoo, ib leeg-chip, 24-ntsis, yim-channel, suab digital-to-analog converter (DAC) nrog cov txiaj ntsig sib txawv.Lub yim-channel, 24-ntsis DAC ntiav ib qho kev txhim kho, ntau theem delta-sigma (ΔΣ) modulator thiab txhawb nqa 8-kHz txog 192-kHz sampling tus nqi thiab 16-/20-/24-/32-ntsis dav digital. audio input lo lus ntawm lub suab interface.Lub suab interface ntawm PCM1690 txhawb nqa lub sij hawm-division-multiplexed (TDM) hom ntawv ntxiv rau tus qauv kuv2S, sab laug-kev ncaj ncees, txoj cai-tsim nyog, thiab DSP hom ntawv.
PCM1690 tuaj yeem tswj tau los ntawm peb-xaim, SPI-tshaj interface, lossis ob-hlau, kuv2C-tshaj serial interface hauv software, uas muab kev nkag mus rau tag nrho cov haujlwm suav nrog digital attenuation, soft mute, de-emphasis, thiab lwm yam.Tsis tas li ntawd, kho vajtse tswj hom muab ib qho subset ntawm cov neeg siv-programmable functions los ntawm ob tus pins tswj.PCM1690 muaj nyob rau hauv 12-mm × 8-mm (12-mm × 6-mm lub cev) HTSSOP-48 pob.
Rau tag nrho cov pob khoom uas muaj, saib qhov kev txiav txim ntxiv rau qhov kawg ntawm daim ntawv teev cov ntaub ntawv.
1. Leej twg yog cov neeg ua haujlwm hauv koj lub tuam tsev R & D?Koj qhov kev tsim nyog yog dab tsi?
-R & D Tus Thawj Coj: tsim lub tuam txhab cov phiaj xwm mus ntev R & D thiab tuav cov kev taw qhia ntawm kev tshawb fawb thiab kev loj hlob;Qhia thiab saib xyuas r&d department los siv lub tuam txhab r&d lub tswv yim thiab txhua xyoo R&D txoj kev npaj;Tswj kev txhim kho cov khoom lag luam thiab kho cov phiaj xwm;Teem cov khoom zoo tshaj plaws tshawb fawb thiab txhim kho pab pawg, tshawb xyuas thiab kev cob qhia txog cov neeg ua haujlwm.
R & D Tus Thawj Coj: ua cov khoom tshiab R & D txoj kev npaj thiab ua kom pom qhov ua tau ntawm txoj kev npaj;Saib xyuas thiab tswj qhov kev nce qib thiab ua haujlwm zoo ntawm r&d;Tshawb nrhiav kev tsim khoom tshiab thiab nthuav tawm cov kev daws teeb meem zoo raws li cov neeg siv khoom xav tau hauv ntau qhov chaw
R&d cov neeg ua haujlwm: sau thiab txheeb xyuas cov ntaub ntawv tseem ceeb;Computer programming;Ua cov kev sim, ntsuas thiab ntsuas;Npaj cov ntaub ntawv thiab khoom siv rau kev sim, kev sim thiab tshuaj xyuas;Sau cov ntaub ntawv ntsuas, ua cov lej thiab npaj cov kab kos;Ua cov ntawv tshawb fawb
2. Koj cov khoom tshawb fawb thiab kev tsim kho lub tswv yim yog dab tsi?
-Txoj kev xav thiab xaiv cov khoom lag luam lub tswv yim thiab kev ntsuam xyuas cov khoom txhais thiab cov phiaj xwm tsim thiab kev tsim cov khoom kuaj thiab kev siv tau tso rau kev lag luam