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Siehe Technische Spezifikationen

ADMP421BCEZ-RL7 +BOM

Omni Directional Microphone - Digital

Hersteller:

ADI
Herstellerteil #:

ADMP421BCEZ-RL7
Datenblatt:

ADMP421BCEZ-RL7 Datenblatt (PDF)
Operating Voltage:

1.8 V to 3.3 V
Sensitivity:

- 26 dB
Length:

4 mm
Width:

3 mm
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an ADMP421BCEZ-RL7

ADMP421BCEZ-RL7 Allgemeine Beschreibung

The ADMP421 is a low cost, low power, digital output bottom ported omni-directional MEMs microphone. The ADM421 consists of a MEMs microphone element, an output amplifier and a 4th order sigma delta modulator. The digital interface allows for the PDM (Pulse Density Modulated) output of two microphones to be time multiplexed on a single data line using a single clock. The ADMP421 has a high SNR and a high sensitivity making it an excellent choice for far field applications. The ADMP421 has a flat wideband frequency response resulting in natural soundwith high intelligibility. Low current consumption and a sleep mode enable long battery life for portable applications. The ADMP421 complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard. The ADMP421 will be available in a very thin 3 mm × 4 mm × 1 mm surface mount package. It is reflow solder compatible with no sensitivity degradation. It is halide-free. Applications Smartphones and features phones Digital video cameras Bluetooth Headsets Video Phones Teleconferencing systems

Spezifikationen

Operating Voltage	1.8 V to 3.3 V	Sensitivity	- 26 dB
Length	4 mm	Width	3 mm
Current Rating	650 uA	Directional Properties	Omnidirectional
Frequency	100 Hz to 15 kHz	Maximum Operating Temperature	+ 85 C
Minimum Operating Temperature	- 40 C	Mounting Style	SMD/SMT
Output Type	Pulse Density Modulated	Packaging	Reel
SNR	61 dB	Sound Pressure Level	120 dB
Technology	Omnidirectional	Termination Style	SMD/SMT
Type	Digital MEMS Microphone	Number of Pins	5
Shape	Rectangular, Square	Direction	Omnidirectional
Max Operating Temperature	85 °C	Max Supply Voltage	3.3 V
Min Operating Temperature	-40 °C	Min Supply Voltage	1.8 V
Nominal Supply Current	650 µA	Operating Supply Current	650 µA
Signal to Noise Ratio (SNR)	61 dB	Termination	SMD/SMT
Voltage Rating	3.3 V	Depth	3.1 mm
Height	1.1 mm

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