Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

Preview PDF HTML

WM8281ECS/R Scheda tecnica(PDF) 24 Page - Cirrus Logic

Il numero della parte WM8281ECS/R
Spiegazioni elettronici  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Scheda tecnica(HTML) 24 Page - Cirrus Logic

Back Button WM8281ECS/R Datasheet HTML 20Page - Cirrus Logic WM8281ECS/R Datasheet HTML 21Page - Cirrus Logic WM8281ECS/R Datasheet HTML 22Page - Cirrus Logic WM8281ECS/R Datasheet HTML 23Page - Cirrus Logic WM8281ECS/R Datasheet HTML 24Page - Cirrus Logic WM8281ECS/R Datasheet HTML 25Page - Cirrus Logic WM8281ECS/R Datasheet HTML 26Page - Cirrus Logic WM8281ECS/R Datasheet HTML 27Page - Cirrus Logic WM8281ECS/R Datasheet HTML 28Page - Cirrus Logic Next Button
Zoom Inzoom in Zoom Outzoom out
 24 / 392 page
background image
WM8281
24
Rev 4.0
Test Conditions
DBVDD1 = DBVDD2 = DBVDD3 = CPVDD = AVDD = 1.8V,
DCVDD = 1.2V (powered from LDO1), MICVDD = 2.5V (powered from LDO2), SPKVDDL = SPKVDDR = 4.2V,
TA = +25ºC, 1kHz sinusoid signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Microphone Bias (MICBIAS1, MICBIAS2, MICBIAS3)
Note - No capacitor on MICBIASn
Note - In regulator mode, it is required that VMICVDD - VMICBIAS > 200mV
Minimum Bias Voltage
VMICBIAS
Regulator mode
(MICBn_BYPASS=0)
Load current
≤ 1.0mA
1.5
V
Maximum Bias Voltage
2.8
V
Bias Voltage output step size
0.1
V
Bias Voltage accuracy
-5%
+5%
V
Bias Current
Regulator mode
(MICBn_BYPASS=0),
VMICVDD - VMICBIAS >200mV
2.4
mA
Bypass mode
(MICBn_BYPASS=1)
5.0
Output Noise Density
Regulator mode
(MICBn_BYPASS=0),
MICBn_LVL = 4h,
Load current = 1mA,
Measured at 1kHz
100
nV/
Hz
Integrated noise voltage
Regulator mode
(MICBn_BYPASS=0),
MICBn_LVL = 4h,
Load current = 1mA,
100Hz to 7kHz, A-weighted
5
µVrms
Power Supply Rejection Ratio
(DBVDDn, LDOVDD, CPVDD,
AVDD)
PSRR
100mV (peak-peak) 217Hz
100
dB
100mV (peak-peak) 10kHz
80
Load capacitance
Regulator mode
(MICBn_BYPASS=0),
MICBn_EXT_CAP=0
50
pF
Regulator mode
(MICBn_BYPASS=0),
MICBn_EXT_CAP=1
1.8
4.7
µF
Output discharge resistance
MICBn_ENA=0,
MICBn_DISCH=1
2
kΩ



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Scheda tecnica Scarica

Go To PDF Page


Link URL



Lei ha avuto il aiuto da alldatasheet?  [ DONATE ] 

Di alldatasheet   |   Richest di pubblicita   |   contatti   |   Privacy Policy   |   Collegamento alla scheda tecnica    |   scambio Link   |   Ricerca produttore
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
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