参数资料
型号: ADMP405ACEZ-RL7
厂商: Analog Devices Inc
文件页数: 8/13页
文件大小: 0K
描述: MIC MEMS OMNI-DIR ANALOG 3-LGA
标准包装: 1,000
系列: ADMP405
类型: MEMS(硅)
输出类型: 模拟
方向: 全向
频率范围: 200Hz ~ 15kHz
灵敏度: -38dB ±3dB
信噪比: 62dB
阻抗: 200 欧姆
电压 - 额定: 1.5 ~ 3.3V
电流 - 电源: 250µA
端口位置: 底部
密封等级:
端子: 表面贴装型
尺寸/尺寸: 3.35mm L x 2.50mm W
高度(最大): 0.98mm
形状: 矩形
包装: 带卷 (TR)
配用: EVAL-ADMP405Z-FLEX-ND - BOARD EVALUATION FOR ADMP405
Data Sheet
ADMP405
Rev. B | Page 3 of 12
SPECIFICATIONS
TA = 25°C, VDD = 1.8 V, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not
guaranteed.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
PERFORMANCE
Directionality
Omni
Sensitivity
1 kHz, 94 dB SPL
41
38
35
dBV
Signal-to-Noise Ratio
SNR
62
dBA
Equivalent Input Noise
EIN
32
dBA SPL
Dynamic Range
Derived from EIN and maximum acoustic input
88
dB
Frequency Response1
Low frequency –3 dB point
200
Hz
High frequency –3 dB point
15
kHz
Deviation limits from flat response within pass
band
3/+2
dB
Total Harmonic Distortion
THD
105 dB SPL
3
%
Power Supply Rejection Ratio
PSRR
217 Hz, 100 mV p-p square wave
superimposed on VDD = 1.8 V
70
dB
Maximum Acoustic Input
Peak
120
dB SPL
POWER SUPPLY
Supply Voltage
VDD
1.5
3.3
V
Supply Current
IS
250
μA
OUTPUT CHARACTERISTICS
Output Impedance
ZOUT
200
Ω
Output DC Offset
0.8
V
Output Current Limit
90
μA
OBSOLETE
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