SPH0644HM4H-1

SPH0644HM4H-1 Low-Profile, Top-Ported Digital SiSonicTM Microphone SPH0644HM4H-1 Rev B Datasheet The SPH0644HM4H-1 is a miniature, high-performance, low power, top port silicon digital microphone with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPH0644HM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. The high Signal-to-Noise Ratio (SNR) of the SPH0644HM4H-1 enhances the performance of far-field applications and many complex, multi-microphone algorithms. In addition, the SPH0644HM4H-1 offers multiple performance modes. Product Features x x x x x Very Low Profile (0.85mm Height) Standard 3.50mm x 2.65mm package size Sensitivity Matching Flat Frequency Response up to 10kHz Multiple performance modes (Sleep, LowPower, Performance) x Low Current Consumption of 240uA in LowPower Mode x x x x x x x PDM Output Supports Dual Multiplexed Channels High Drive Capability Ultra-Stable Performance Standard SMD Reflow Omnidirectional RF Shielded Typical Applications x Portable electronics x Cellphones x Laptop Computers knowles.com Datasheet SPH0644HM4H-1 Rev B x Tablets x Digital Still Cameras x Portable Music Recorders © Copyright 2016 Knowles 1 Absolute Maximum Ratings Table 1: Absolute Maximum Ratings Parameter Absolute Maximum Rating Units Vdd, DATA to Ground -0.3, +5.0 V CLOCK to Ground -0.3, +5.0 V SELECT to Ground -0.3, +5.0 V ±5 mA Indefinite to Ground or Vdd sec -40 to +100 ºC Input Current Short Circuit to/from DATA Temperature Stresses exceeding these “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation at these or any other conditions beyond those indicated under “Acoustic & Electrical Specifications” is not implied. Exposure beyond those indicated under “Acoustic & Electrical Specifications” for extended periods may affect device reliability. Acoustic & Electrical Specifications Table 2: General Microphone Specifications Test Conditions: 23±2°C, 55±20% R.H., Vdd=1.8V, Fclock=2.4MHz, 7HGJH”QVSEL grounded, no load, unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units Supply Voltage Vdd DC Output 1.6 Fullscale = ±100 - Directivity 3.6 V 0 - % FS Omnidirectional Polarity Increasing sound pressure Increasing density of 1’s Data Format ½ Cycle PDM Sensitivity Drop ǻ6 Clock Input Capacitance Cin Vdd(min) < Vdd < Vdd(max) SELECT (high) SELECT (low) Short Circuit Current Isc Output Load Fall-asleep Time 1.8 - - ±0.25 dB - 5 - pF Vdd-0.2 - 3.6 V -0.3 - 0.2 V 1 - 20 mA - - 140 pF Grounded DATA pin Cload 3,4 Fclock < 250 kHz - - 10 ms 3,5 )FORFN•N+] - - 35 ms Powered Down ĺActive Mode - - 50 ms - - 15 ms Wake-up Time Startup Time 3 Mode Change Time 3 Table 3: Performance Mode Microphone Specifications Test Conditions: 23±2°C, 55±20% R.H., Vdd=1.8V, Fclock=2.4MHz, 7HGJH”QV6(/ grounded, no load, unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units 1,2 Idd Vdd = 1.8V - 925 1025 μA 2 Idd Vdd = 3.6V - 1015 - μA 1 S 94 dB SPL @ 1 kHz -37 -36 -35 dBFS 11 SNR 94 dB SPL @ 1 kHz, A-weighted - 58 - dB(A) Total Harmonic Distortion THD 94 dB SPL @ 1 kHz, S = Typ - 0.05 - % Total Harmonic Distortion THD 115 dB SPL @ 1 kHz, S = Typ - 0.25 - % Acoustic Overload Point AOP 10% THD @ 1 kHz, S = Typ - 131 - dB SPL PSRR 200 mVpp sinewave @ 1 kHz - 85 - dBV/FS PSR + N 100mVpp square wave @ 217 Hz, A-weighted - -94 - dBFS(A) Supply Current Supply Current Sensitivity Signal to Noise Ratio Power Supply Rejection Ratio Power Supply Rejection knowles.com Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 2 Table 4: Low-Power Mode Microphone Specifications Test Conditions: 23±2°C, 55±20% R.H., Vdd=1.8V, Fclock=768k+]7HGJH”QVSEL grounded, no load, unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units Supply Current 2 Idd Vdd = 1.8V - 255 - μA Supply Current 2 Idd Vdd = 3.6V - 295 - μA S -21 -20 -19 dBFS - 58 - dB(A) - .05 - % Sensitivity 11 SNR Total Harmonic Distortion THD 94 dB SPL @ 1 kHz 94 dB SPL @ 1 kHz, A-weighted (20 Hz – 8 kHz) 94 dB SPL @ 1 kHz, S = Typ Acoustic Overload Point AOP 10% THD @ 1 kHz, S = Typ - 114 - dB SPL PSRR 200 mVpp sinewave @ 1 kHz - 68 - dBV/FS PSR + N 100mVpp square wave @ 217 Hz, A-weighted - -74 - dBFS(A) Signal to Noise Ratio Power Supply Rejection Ratio Power Supply Rejection Table 5: Sleep Mode Microphone Specifications Test Conditions: 23±2°C, 55±20% R.H., Vdd=1.8V, Fclock=250kHz, 7HGJH”QV, SEL grounded, no load, unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units Clock Frequency Fclock 0 0 250 kHz Sleep Current Isleep Fclock < 1 kHz, Vdd = 1.8V - 52 - μA 1 Isleep Fclock < 1 kHz, Vdd = 3.6V - 62 - μA Typ Max Units Sleep Current Table 6: Digital Interface Specifications Test Conditions: 23 ±2°C, 55±20% R.H., Vdd=1.8V, 7HGJH”QVunless otherwise indicated Parameter Symbol Conditions Min 7 Vih 0.65xVdd - 3.6 V 7 Vil -0.3 - 0.35xVdd V 7 Voh IOUT = 2 mA Vdd-0.45 - Vdd V 7 Vol IOUT = 2 mA 0 - 0.45 V /RZĺ+LJK7KUHVKROG 8 Vl-h - - 0.65xVdd V +LJKĺ/RZ7KUHVKROG 8 Vh-l 0.35xVdd - - V 8 Vhyst 0.05xVdd - 0.20xVdd V Sleep Mode 0 0 250 Low Power Mode 500 768 1200 Performance Mode 1400 2400 4800 40 50 60 0+]”)FORFN”0+] 48 50 52 Time from Vdd > 1V to first clock edge - - 130 μs 18 - 35 ns - - 100 ns 5 - 16 ns Logic Input High Logic Input Low Logic Output High Logic Output Low Hysteresis Width Clock Frequency Clock Duty Cycle 10 Clock Startup Delay Delay Time to Data Line 7 Driven 7 Delay Time to Valid Data Delay Time to High Z 7,9 Fclock D.C. Tdd Tdv Max Cload Tdz 1 6 2 7 100% tested. Idd varies with Cload DFFRUGLQJWRǻ,dd = 0.5*Vdd ǻ&load*Fclock. 3 Valid microphones states are: Powered Down Mode (mic off), Sleep Mode (low current, DATA = high-Z, fast startup), and Performance Mode (normal operation) 4 Time from Fclock < 250 kHz to Isleep specification is met when transitioning from Active Mode to Sleep Mode. 5 Time from )FORFN•NHz to all applicable specifications are met when transitioning from Sleep Mode to Active Mode. knowles.com Datasheet SPH0644HM4H-1 Rev B kHz % Thold can be dependent on Cload. See Figure 1: Timing Diagram. 8 See Figure 2: Hysteresis Diagram. 9 Thold can be dependent on Cload. 10 )RU)FORFN•0+]&ORFN'XW\&\FOHRWKHUZLVH7+'DQG SNR will degrade. 11 OSR = 64 © Copyright 2016 Knowles 3 1/Fclock Vih CLOCK Vil Tdz Tdv DATA (SELECT = Vdd) Thold Voh Tdd High Z Hi Mic (High) Data Vol Tdz Tdv DATA (SELECT = Ground) High Z Tdd Voh Thold Mic (Low) Data Vol Figure 1: Timing Diagram Vdd Vhyst Vdd 0.1Pf 0.1Pf High Internal Logic Level SELECT SELECT Mic (High) Low Vh-l Vl-h Mic (Low) Ext CLOCK Input Figure 2: Hysteresis Diagram DATA CLOCK Figure 4: Typical Application Circuit Performance Mode •9DD •9 1.4 ”)clock ”4.8 MHz Notes: All Ground pins must be connected to ground. Bypass capacitors should be placed next to each Vdd pin for best performance. Capacitors near the microphone should not contain Class 2 dielectrics due to their piezoelectric effect. Detailed information on acoustic, mechanical, and system integration can be found in the latest TM SiSonic Design Guide application note. Powered Down Mode VDD = 0 V Low-Power Mode •9DD •9 500 ”)clock ” kHz Sleep Mode •9DD •9 Fclock ”N+] Microphone SELECT Mic (High) Vdd Mic (Low) Ground Asserts DATA on CLK rising edge CLK falling edge Latch DATA on CLK falling edge CLK rising edge Table 7: SELECT Functionality Figure 3: State Diagram knowles.com Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 4 Performance Curves Test Conditions: Vdd=1.8V, Fs = 2.4MHz, no load, unless otherwise indicated 20 10 10 THD (%) Sensitivity (dB) 15 5 0 Low-Power Mode 1 Performance Mode 0.1 -5 0.01 -10 10 100 1,000 Frequency (Hz) 100 105 110 115 120 125 130 135 SPL (dB) Figure 5: Typical Free Field Response Normalized to 1 kHz 100 Figure 7: Typical THD vs SPL 2000 1800 Performance Mode 90 Fclk = 4.800MHz 1600 1400 80 Idd (PA) PSRR (dB) 95 10,000 Fclk = 3.072MHz 1200 70 Fclk = 2.400MHz 1000 Low-Power Mode 60 800 Fclk = 1.536MHz 600 400 50 Fclk = 768kHz 200 Fclk = 0Hz 0 40 10 100 1,000 Frequency [Hz] 10,000 Figure 6: Typical PSRR knowles.com 1.5 1.8 2.1 2.4 2.7 3 3.3 3.6 Vdd (V) Figure 8: Typical Idd vs Vdd Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 5 Mechanical Specifications tem Dimension Tolerance Length (L) 3.50 ±0.10 Width (W) 2.65 ±0.10 Height (H) 0.85 ±0.10 Acoustic Port (AP) Ø0.50 ±0.05 Pin # Pin Name Type Description 1 Vdd Power Power Supply 2 CLOCK Digital I Clock Input 3 DATA Digital O PDM Output 4 GROUND Power Ground 5 SELECT Non-Digital Input Lo/Hi (L/R) Select. This pin is internally pulled low 6 GROUND Power Ground Example Land Pattern Notes: knowles.com Example Solder Stencil Pattern Pick Area only extends to 0.25 mm of any edge or hole unless otherwise specified. Dimensions are in millimeters unless otherwise specified. Tolerance is ±0.15mm unless otherwise specified Detailed information on AP size considerations can be found in the latest SiSonicTM Design Guide application note. Further optimizations based on application should be performed. Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 6 Packaging & Marking Detail Model Number Suffix Reel Diameter Quantity Per Reel SPH0644HM4H-1 -8 13” 5,900 Component Surface Resistance (ohms) Reel 10 - 10 5 9 5 9 4 10 Carrier Tape 10 - 10 Cover Tape 10 - 10 Alpha Character A: “S”: Knowles SiSonic™ Production “E”: Knowles Engineering Samples “P”: Knowles Prototype Samples Digits 1-8: Unique Job Identification Number for product traceability Notes: Dimensions are in millimeters unless otherwise specified. Vacuum pickup only in the pick area indicated in Mechanical Specifications. Tape & reel per EIA-481. Labels applied directly to reel and external package. Shelf life: Twelve (12) months when devices are to be stored in factory supplied, unopened ESD moisture sensitive bag under maximum environmental conditions of 30°C, 70% R.H. knowles.com Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 7 Recommended Reflow Profile tP TP Ramp-up TL tL TSMAX tS Preheat TSMIN Ramp-down 25°C Time Time 25°C to Peak Profile Feature Average Ramp-up rate (TSMAX to TP) Preheat x Temperature Min (TSMIN) x Temperature Max (TSMAX) x Time (TSMIN to TSMAX) (tS) Time maintained above: x Temperature (TL) x Time (tL) Peak Temperature (TP) Pb-Free 3°C/second max. 150°C 200°C 60-180 seconds 217°C 60-150 seconds 260°C Time within 5°C of actual Peak Temperature (tP) Ramp-down rate (TP to TSMAX) 20-40 seconds 6°C/second max Time 25°C to Peak Temperature Notes: 8 minutes max Based on IPC/JDEC J-STD-020 Revision C. All temperatures refer to topside of the package, measured on the package body surface Additional Notes (A) (B) (C) MSL (moisture sensitivity level) Class 1. Maximum of 3 reflow cycles is recommended. In order to minimize device damage: x Do not board wash or clean after the reflow process. x Do not brush board with or without solvents after the reflow process. x Do not directly expose to ultrasonic processing, welding, or cleaning. x Do not insert any object in port hole of device at any time. x Do not apply over 30 psi of air pressure into the port hole. x Do not pull a vacuum over port hole of the microphone. x Do not apply a vacuum when repacking into sealed bags at a rate faster than 0.5 atm/sec. . knowles.com Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 8 Materials Statement Meets the requirements of the European RoHS directive 2011/65/EC as amended. Meets the requirements of the industry standard IEC 61249-2-21:2003 for halogenated substances and Knowles Green Materials Standards Policy section on Halogen-Free. Ozone depleting substances are not used in the product or the processes used to make the product, including compounds listed in Annex A, B, and C of the “Montreal Protocol on Substances That Deplete the Ozone Layer.” Reliability Specifications Test Description Thermal Shock 100 cycles of air-air thermal shock from -40°C to +125°C with 15 minute soaks (IEC 68-2-4) High Temperature Storage +105°C environment for 1,000 hours (IEC 68-2-2 Test Ba) Low Temperature Storage -40°C environment for 1,000 hours (IEC 68-2-2 Test Aa) High Temperature Bias +105°C environment while under bias for 1,000 hours (IEC 68-2-2 Test Ba) Low Temperature Bias -40°C environment while under bias for 1,000 hours (IEC 68-2-2 Test Aa) Temperature/Humidity Bias Reflow +85°C/85% R.H. environment while under bias for 1,000 hours (JESD22-A101A-B) 12 minutes in each axis from 20 to 2,000 Hz in X,Y, and Z directions with peak acceleration of 20g (MIL 883E, Method 2007.2,A) 3 discharges at +/-8kV direct contact to lid when unit is grounded (IEC 61000-4-2) and 3 discharges at +/-2kV direct contact to I/O pins (MIL 883E, Method 3015.7) and 3 discharges at +/- 200V pin-to-pin (ESDA STM 5.2, ESD-MM) 5 reflow cycles with peak temperature of +260°C Tumble test 200 tumbles in 100g block from a height of 1m onto a steel base Mechanical Shock 3 pulses of 10,000g in each of the ±X, ±Y, ±Z directions while under bias (IEC 68-2-27 Test Ea) Vibration Electrostatic Discharge Notes: After 3 reflow cycles, the sensitivity of the microphones shall not deviate more than 1 dB from its initial value. knowles.com Datasheet SPH0644HM4H-1 Rev B © Copyright 2016 Knowles 9 Specification Revisions Revision Specification Changes Date A Initial Release without correct device photo (ECN 15-542) 12/17/2015 B Add Vdd-Clock timing and photo, update max Tdd (ECR 16-1005) 7/11/2016 Information contained herein is subject to change without notice. It may be used by a party at their own discretion and risk. We do not guarantee any results or assume any liability in connection with its use. This publication is not to be taken as a license to operate under any existing patents. Model/Reference Number: knowles.com Datasheet SPH0644HM4H-1 Rev B Phone: (630) 250-5100 Knowles © Copyright 2016 Knowles Datasheet SPH0644HM4H-1 Rev B Fax: (630) 250-0575 1151 Maplewood Drive © Copyright 2016 Knowles sales@knowles.com Itasca, Illinois 60143 10