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PDF ADMP801 Data sheet ( Hoja de datos )
| Número de pieza | ADMP801 | |
| Descripción | Omnidirectional MEMS Microphone | |
| Fabricantes | Analog Devices | |
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Data Sheet
Hearing Aid
Omnidirectional MEMS Microphone
ADMP801
FEATURES
Small surface-mount package: 3.35 mm × 2.5 mm × 0.98 mm
Equivalent input noise: 27 dBA SPL
Sensitivity: −35 dBV
Hearing aid-compatible voltage range: 0.9 V to 1.3 V
Low current consumption: 17 μA
0.8 sec startup to within 0.2 dB of 1 kHz sensitivity
Flat frequency response
Good sensitivity and frequency response matching
Single-ended analog output
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant
APPLICATIONS
Hearing aids
Hearing aid accessories
Assistive listening/alerting and signaling systems
Audiometers
Bone conduction devices
Hearing protection
GENERAL DESCRIPTION
The ADMP801 is a high performance MEMS microphone with
a unique combination of very low self-noise, tiny package volume
(7.3 mm3), and low power consumption. Running from a 1 V
supply, the ADMP801 consumes only 17 μA of current while
providing an equivalent input noise of 27 dBA SPL with an analog
4.5 kΩ impedance output. These features, combined with the
benefits of MEMS technology, reflow solder compatibility, and
a highly stable response over time and temperature, make the
ADMP801 an ideal microphone choice for assistive listening
devices (ALDs) such as hearing aids.
TOP VIEW
BOTTOM VIEW
Figure 1. Isometric Views of the ADMP801 Microphone Package
http://www.DataSheet4U.net/
FUNCTIONAL BLOCK DIAGRAM
OUTPUT
AMPLIFIER
OUTPUT
ADMP801
POWER
VDD GND
Figure 2.
Rev. Sp0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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