 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
WM8985GEFL/R датащи(PDF) 12 Page - Wolfson Microelectronics plc |
|
|
|||||||||||||||||||||||||||||
WM8985GEFL/R датащи(HTML) 12 Page - Wolfson Microelectronics plc |
|
|
12 / 118 page  WM8985 Pre-Production w PP, Rev 3.5, March 2007 12 Test Conditions DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT DAC to left and right mixer into headphone 16 Ω load on LOUT2 and ROUT2, Class AB mode LOUT2VOL, ROUT2VOL, DACLVOL and DACRVOL = 0dB Full-scale output AVDD1/3.3 Vrms A-weighted AVDD1=AVDD2=3.3V 97 dB Signal to Noise Ratio 3 SNR 22Hz to 20kHz AVDD1=AVDD2=3.3V 95.5 dB Total Harmonic Distortion 4 THD Po = 20mW, RL=16Ω -79 -70 dB Total Harmonic Distortion + Noise 5 THD+N Po = 20mW, RL=16Ω -75 dB Channel Separation 6 1kHz signal 100 dB DAC to left and right mixer into headphone 16 Ω load on LOUT2 and ROUT2, Class D mode, Lfilter = 33nH Cfilter = 220nf LOUT2VOL, ROUT2VOL, DACLVOL and DACRVOL = 0Db Full-scale output AVDD1/3.3 Vrms Signal to Noise Ratio 3 SNR A-weighted AVDD1=AVDD2=3.3V 80 90 dB Total Harmonic Distortion 4 THD Po = 20mW, RL=16Ω -79 dB Channel Separation 6 1kHz signal 100 dB PWM Rise Time 1.5 ns PWM Fall Time 1.5 ns PWM Switching Frequency DCLKDIV = 1000 1.4 MHz Efficiency RL = 16Ω, tPW = 20ns, PO = 20mW 72 % Power Supply Rejection PSRR 100mVpp ripple @217Hz injected on AVDD2 70 dB Idle Current No analogue output signal on either channel 0.5 mA Bypass paths to left and right output mixers. BYPL2LMIX = 1 and BYPR2RMIX = 1 PGA gain range into mixer Gain adjusted by BYPLMIXVOL and BYPRMIXVOL -15 0 +6 dB BYPLMIXVOL and BYPRMIXVOL gain step into mixer 3 dB Mute attenuation BYPL2LMIX = 0 BYPR2RMIX = 0 100 dB Analogue outputs (LOUT1, ROUT1, LOUT2, ROUT2) Programmable Gain range Gain adjusted by L/ROUT1VOL and L/ROUT2VOL -57 0 +6 dB Programmable Gain step size Monotonic 1 dB Mute attenuation 1kHz, full scale signal L/ROUT1MUTE = 1 L/ROUT2MUTE = 1 85 dB |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
