Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

AD1984 Datasheet(PDF) 12 Page - Analog Devices

Part No. AD1984
Description  High Definition Audio SoundMAX Codec
Download  20 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo 

AD1984 Datasheet(HTML) 12 Page - Analog Devices

Zoom Inzoom in Zoom Outzoom out
 12 / 20 page
background image
Rev. 0
|
Page 12 of 20
|
January 2007
AD1984
DIGITAL MICROPHONE INTERFACE TIMING SPECIFICATIONS
The digital microphone interface can support one, two, or four
digital microphones using two or three codec pins. Both uniplex
(one mic per data pin) and multiplex (two mics sharing the
same data pin) are supported. These configurations are shown
in Figure 3, Figure 4, Figure 6, and Figure 7. The interface can
generate a microphone clock at 1.5 MHz, 2.0 MHz, or 3.0 MHz
to suit quality and power requirements.
Table 4. Digital Microphone Timing Parameters
Parameter
Min
Typ
Max
Unit
Timing Requirements
t0
DM_CLK (1.5 MHz) Period
Duty Cycle
667
60/40
ns
%
t0
DM_CLK (2.0 MHz) Period
Duty Cycle
500
50/50
ns
%
t0
DM_CLK (3.0 MHz) Period
Duty Cycle
333
50/50
ns
%
t1
DM_CLK Rise Time
5ns
t2
DM_CLK Fall Time
5ns
t3
DM_CLK Edge to Data Valid
40
ns
t4
Data Setup to DM_CLK Edge
100
ns
t5
Data Hold from DM_CLK Edge
5
ns
t6
DM_CLK Edge to Data Hi-Z
7
ns
Figure 3. Uniplex Digital Microphone, Mono Interface
GAM
MUX
DQ
DQ
>
GAM
GAM
GAM
NID:06
D IGITAL FILTER
NID:05
DIGITAL F ILTER
DM-CLK
GENERATOR
SWAP L/R
ON CHIP
OFF -CHIP
LEFT
RIGHT
LEFT
RIGHT
DM_1/2
DM_3/4
DM_CLK
MIC 1
>
DQ
DQ
>
>
GAM = GAIN, A TTENUATE, MUTE


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
AD1981HDHD Audio SoundMAX Codec 1 2 3 4 5 MoreAnalog Devices
ADSP-1981BLAC 97 SoundMAX Codec 1 2 3 4 5 MoreAnalog Devices
WM9712LAC97 Audio and Touchpanel CODEC 1 2 3 4 5 MoreWolfson Microelectronics plc
WM8987LStereo CODEC for Portable Audio Applications 1 2 3 4 5 MoreWolfson Microelectronics plc
ADA4417-3Integrated Triple Video Filter for High Definition Video 1 2 3 4 5 MoreAnalog Devices
WM8750BLStereo CODEC for Portable Audio Applications 1 2 3 4 5 MoreWolfson Microelectronics plc
NCP90021.3 Watt Audio Power Amplifier with Fast Turn On Time 1 2 3 4 5 MoreON Semiconductor
CRD4205-2PC Audio Docking Station Companion Board 1 2 3 4 5 MoreCirrus Logic
TEA6420BUS-CONTROLLED AUDIO MATRIX SWITCH 1 2 3 4 5 MoreSTMicroelectronics

Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
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