TA = 25°C, V
參數(shù)資料
型號: ADMP504ACEZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 8/13頁
文件大?。?/td> 0K
描述: MIC MEMS OMNI-DIR ANALOG 3LGA
標準包裝: 1
系列: ADMP504
類型: MEMS(硅)
輸出類型: 模擬
方向: 全向
頻率范圍: 100Hz ~ 20kHz
靈敏度: -38dB ±3dB
信噪比: 65dB
阻抗: 200 歐姆
電壓 - 額定: 1.8 ~ 3.3V
電流 - 電源: 225µA
端口位置: 底部
密封等級:
端子: 表面貼裝型
尺寸/尺寸: 3.35mm L x 2.50mm W
高度(最大): 0.98mm
形狀: 矩形
包裝: 標準包裝
其它名稱: ADMP504ACEZ-RL7DKR
Data Sheet
ADMP504
Rev. A | 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
20 Hz to 20 kHz, A-weighted
65
dBA
Equivalent Input Noise
EIN
20 Hz to 20 kHz, A-weighted
29
dBA SPL
Dynamic Range
Derived from EIN and maximum acoustic input
91
dB
Frequency Response1
Low frequency 3 dB point
100
Hz
High frequency 3 dB point
>20
kHz
Total Harmonic Distortion
THD
104 dB SPL
3
%
Power Supply Rejection
PSR
217 Hz, 100 mV p-p square wave superimposed on
VDD = 1.8 V
70
dBV
Maximum Acoustic Input
Peak, 10% THD
120
dB SPL
POWER SUPPLY
Supply Voltage
VDD
1.6
3.3
V
Supply Current
IS
VDD = 1.8 V
180
200
A
VDD = 3.3 V
200
225
A
OUTPUT CHARACTERISTICS
Output Impedance
ZOUT
200
Ω
Output DC Offset
0.8
V
Output Current Limit
90
A
Maximum Output Voltage
120 dB SPL input, peak
0.25
V
Noise Floor
20 Hz to 20 kHz, A-weighted, rms
103
dBV
1
OBSOLETE
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