参数资料
| 型号： | ADMP421BCEZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | MIC MEMS OMNI-DIR DGTL 5LGA |
| 标准包装： | 1 |
| 系列： | ADMP421 |
| 类型： | MEMS（硅） |
| 输出类型： | 数字，PDM |
| 方向： | 全向 |
| 频率范围： | 100Hz ~ 15kHz |
| 灵敏度： | -26dB ±3dB |
| 信噪比： | 61dB |
| 电压 - 额定： | 1.8 ~ 3.3V |
| 电流 - 电源： | 650µA |
| 端口位置： | 底部 |
| 密封等级： | 无 |
| 端子： | 表面贴装型 |
| 尺寸/尺寸： | 4.00mm L x 3.00mm W |
| 高度（最大）： | 1.10mm |
| 形状： | 矩形 |
| 包装： | 标准包装 |
| 其它名称： | ADMP421BCEZ-RL7DKR |
ADMP421
Data Sheet
Rev. D | Page 2 of 16
TABLE OF CONTENTS
REVISION HISTORY
11/11—Rev. C to Rev. D
Changed PSRR to PSR .......................................................Universal
Changed Pb-Free Temperature from 245°C to 260°C, Table 4 .. 5
Changes to Figure 8 and Figure 9................................................... 8
Added Alternate PCB Land Patterns Section ............................... 9
Changes to Temperature Humidity Bias (THB) Description,
Table 6 .............................................................................................. 12
8/11—Rev. B to Rev. C
Changes to Clock Frequency and Supply Voltage Parameters,
Table 1 ................................................................................................ 3
Changes to Table 3 and Table 4....................................................... 5
Deleted Power-Saving Features Section ........................................ 8
Changes to Figure 9.......................................................................... 8
Added Applications Information Section ..................................... 9
Added Supporting Documents, Evaluation Board User Guides,
Circuit Note, and Application Notes Sections .............................. 9
Changes to Interfacing with Analog Devices Codecs
Section................................................................................................ 9
Moved Sleep Mode Section and Power Savings When Disabling
One Microphone in a Multimicrophone Application Section ... 9
Changes to Figure 10........................................................................ 9
Change to Pick-and-Place Equipment Section........................... 10
Deleted Evaluation Board Section................................................ 10
Deleted Figure 10 and Figure 11; Renumbered Sequentially ... 10
Deleted Table 6; Renumbered Sequentially................................. 10
Deleted Figure 12............................................................................ 11
Change to Temperature Cycle Description, Table 6 .................. 11
Changes to Ordering Guide .......................................................... 12
6/11—Rev. A to Rev. B
Changes to Figure 1...........................................................................1
Changes to Figure 5...........................................................................7
2/11—Rev. 0 to Rev. A
Changes to Features Section, Applications Section, and
General Description Section............................................................1
Added Dynamic Range Parameter, Changes to Input
Characteristics Parameter and Output Characteristics
Parameter, Deleted Polarity Parameter, Table 1 ............................3
Changes to Table 3.............................................................................5
Changes to Table 5.............................................................................6
Added Power-Saving Features Section ...........................................8
Updated Outline Dimensions....................................................... 13
Changes to Ordering Guide.......................................................... 13
4/10—Revision 0: Initial Version
OBSOLETE
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