參數(shù)資料
型號: EVAL-ADMP521Z
廠商: Analog Devices Inc
文件頁數(shù): 13/17頁
文件大小: 0K
描述: BOARD EVAL FOR ADMP521Z
標(biāo)準(zhǔn)包裝: 1
系列: iMEMS®
主要目的: 音頻,MEMS 全向麥克風(fēng)
嵌入式:
已用 IC / 零件: ADMP521
主要屬性: 數(shù)字輸出
已供物品:
ADMP521
Data Sheet
Rev. A | Page 4 of 16
TIMING CHARACTERISTICS
Table 2.
Parameter
Description
Min
Typ
Max
Unit
SLEEP MODE
Sleep Time
Time from CLK falling < 1 kHz
1
ms
Wake-Up Time
Time from CLK rising > 1 kHz, power on
10
ms
INPUT
tCLKIN
Input clock period
326
800
ns
Clock Frequency (CLK)
1.25
2.41
3.072
MHz
Clock Duty Ratio
40
60
%
OUTPUT
t1OUTEN
DATA1 (right) driven after falling clock edge
40
ns
t1OUTDIS
DATA1 (right) disabled after rising clock edge
5
30
ns
t2OUTEN
DATA2 (left) driven after rising clock edge
40
ns
t2OUTDIS
DATA2 (left) disabled after falling clock edge
5
30
ns
1
The microphone operates at any clock frequency between 1.0 MHz and 3.3 MHz. Some specifications may not be guaranteed at frequencies other than 2.4 MHz.
Timing Diagram
tCLKIN
CLK
DATA2
DATA1
t2OUTDIS
t1OUTDIS
t2OUTEN
t1OUTEN
10141-
002
Figure 3. Pulse Density Modulated Output Timing
OBSOLETE
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