EVAL-ADMP441Z AD [Analog Devices], EVAL-ADMP441Z Datasheet
EVAL-ADMP441Z
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EVAL-ADMP441Z Summary of contents
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Data Sheet FEATURES Digital I²S interface with high precision 24-bit data High SNR of 61 dBA High sensitivity of −26 dBFS Flat frequency response from kHz Low current consumption of 1.4 mA High PSR of −75 ...
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ADMP441 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 I2S Digital Input/Output.............................................................. 4 Timing Diagram ........................................................................... 4 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin ...
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Data Sheet SPECIFICATIONS T = 25° 2.4 V, SCK = 3.072 MHz, SPL = 104 dB (3.16 Pa rms), unless otherwise noted. All minimum and maximum A DD specifications are guaranteed. Typical specifications are not guaranteed. Table 1. ...
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ADMP441 I²S DIGITAL INPUT/OUTPUT –40°C < T < +85°C, 1.8 V < V < 3.3 V, unless otherwise noted Table 2. Parameter DIGITAL INPUT Voltage Input Low (L/R, WS, SCK) Voltage Input High (L/R, WS, SCK) SD DIGITAL ...
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Data Sheet ABSOLUTE MAXIMUM RATINGS Table 4. Parameter Rating Supply Voltage (V ) −0 +3 Sound Pressure Level 160 dB Mechanical Shock 10,000 g Vibration Per MIL-STD-883 Method 2007, Test Condition B Operating Temperature Range −40°C ...
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ADMP441 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 6. Pin Function Descriptions Pin No. Mnemonic Type 1 SCK Input 2 SD Output 3 WS Input 4 L/R Input 5 GND Ground 6 GND Ground 7 V Power DD 8 CHIPEN Input ...
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Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS –2 –4 –6 –8 –10 50 100 1k FREQUENCY (Hz) Figure 6. Frequency Response Mask 0 –10 –20 –30 –40 –50 –60 –70 –80 100 1k FREQUENCY (Hz) Figure ...
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ADMP441 THEORY OF OPERATION The ADMP441 is a high performance, low power, digital output, omnidirectional MEMS microphone with a bottom port. The complete ADMP441 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, anti- aliasing filters, power management, ...
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Data Sheet FROM VOLTAGE 0.1µ CHIPEN L/R GND GND GND SCK (64 × (24-BIT) MSB HIGH-Z LEFT CHANNEL SCK (64 × ...
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ADMP441 DIGITAL FILTER CHARACTERISTICS The ADMP441 has an internal digital band-pass filter. A high-pass filter eliminates unwanted low frequency signals. A low-pass filter allows the user to scale the pass band with the sampling frequency as well as perform required ...
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... When washing the PCB, ensure that water does not make contact with the microphone port. Blow-off procedures and ultrasonic cleaning must not be used. SUPPORTING DOCUMENTATION Evaluation Board User Guide UG-303, EVAL-ADMP441Z-FLEX: Bottom-Port I MEMS Microphone Evaluation Board Circuit Note CN-0208, High Performance Digital MEMS Microphone's Simple Interface to SigmaDSP Audio Processor with I ...
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ADMP441 LAYOUT AND DESIGN RECOMMENDATIONS 2.66 (4×) 0.40 × 0.60 (8×) 2.66 (4×) 0.350 × 0.550 (8×) Figure 16. Recommended Printed Circuit Board Solder Paste Mask Pattern 1.05 (6×) 3.16 DIMENSIONS SHOWN IN MILLIMETERS Figure 15. Recommended Printed Circuit Board ...
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... TOP VIEW 1.05 0.98 0.88 SIDE VIEW Figure 17. 9-Terminal Chip Array Small Outline No Lead Cavity [LGA_CAV] ORDERING GUIDE 1 Model Temperature Range ADMP441ACEZ-RL −40°C to +85°C ADMP441ACEZ-RL7 −40°C to +85°C EVAL-ADMP441Z EVAL-ADMP441Z-FLEX RoHS Compliant Part. 2 This package option is halide-free. 4.82 4.72 0.30 4.62 3.86 3.76 2.66 BSC 3.66 3.14 REF 0.73 REF 0.24 REF 4.72 mm × ...
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ADMP441 NOTES Rev Page Data Sheet ...
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Data Sheet NOTES Rev Page ADMP441 ...
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ADMP441 NOTES ©2011–2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D09568-0-1/12(A) Rev Page Data Sheet ...