MP23AB02B 是一款采用超薄传感部件制成的小型低功耗麦克风。用于声波检测的音频传感部分则是采用了微电子机械系统(MEMS)传感器件专用的硅微机械加工工艺所制成。
MP23AB02B Acoustic and electrical specifications 2 Acoustic and electrical specifications 2.1 Acoustic and electrical characteristics The values listed in the table below are specified for Vdd=1.8V, Tamb=25C unless otherwise specified Table 3, Acoustic and electrical characteristics Symbol Parameter Test condition Min. Typ. (1)Max.Unit VddSupply voltage 161836 Idd Current consumption mean va|ue=2∨ 150 220 UA So Sensitivity 1 kHz(0 dB=1 V/Pa)I-41 -38 -35dBV/PA SNR Signal-to-noise ratio A-weighted, 1 kHz 64 dBA (o dB=1 V/Pa) Top Operating temperature range 40 85 C Table 4. Distortion specifications at 1 kHz Parameter Test condition Value Distortion 94 0.5% Distortion 120 <2% Distortion 124 10% Figure 2 Frequency respons 20 50 500 20k D026104 3/12 Absolute maximum ratings MP23AB02B 3 Absolute maximum ratings Stresses above those listed as"Absolute maximum ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability Table 5. Absolute maximum ratings Symbol Ratings Maximum value Unit Vdd Supply voltage -0.5to4 TSTG Storage temperature range 40to+125 This device is sensitive to mechanical shock, improper handling can cause permanent damage to the part A This device is sen sitive to ele ctrostatic discharge (ESD), improper handling can 4/12 Doc D026104 Rev 3 MP23AB02B Application recommendations Application recommendations Figure 3. MP23AB02B electrical connections and external component values Vref Pin 2 you Pin. 1 Pin. 3 R Typical values: (Ground) Vref Ext gain =(R1+R2)/R1 C2~1000pF C3= 1uF AMs1103141450sG Doc D026104 Rev 3 5/12 Package mechanical data MP23AB02B 5 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance ECOPACK specificationsgradedefinitionsandproductstatusareavailableat:www.st.com ECOPACK is an st trademark 6/12 Doc D026104 Rev 3 Figure 4. RHLGA metal cap 3-lead 3.35 mm x 2.5 mm 0.98 mm package outline Al UNoo v2 Pin 1 indic T2 I/kc 由K TOP VIEW BOTTOM VIEW 8419346A o3500 Package mechanical data MP23AB02B Table 6. RHLGA metal cap 3-lead ( 3.35 x 2.5 x 0.98 mm9 package dimensions Dimensions(mm) Reference Min T Max Al 0.880 0.980 1.080 A2 0.200 0.250 0.300 D1 3.250 3.350 3.450 D2 0495 0.595 0.695 D3 2.770 2.920 3.070 R1 0.275 0.325 0.375 R2 0 R3 0.25 E1 2400 2.500 2.600 E2 1.150 1.250 1.350 E3 1920 2.070 2.220 L1 1480 1.520 1.560 1.180 1.220 1.260 885 0.925 0.965 N2 0.570 0.610 0.650 0.860 0.900 0.940 T2 0.640 0.680 0.720 0.900 0.950 1.000 G2 1400 1.550 1.600 G3 0.100 0.150 00 0.20 P1 1.425 1.475 1.525 1.000 1.050 1.100 d 0.150 K 0.050 8/12 Doc D026104 Rev 3 MP23AB02B Package mechanical data Figure 5. RHLGA tape and reel (dimensions are in mm. 0154 030±[5 2.m±.55 EE NOTE 0:50N 0+03-0 CO SEE NOTE I 1.万5±.1 0. c0 NAX 50土.05 SEE NOTE 2 R.25 和E 1, I KET HLE PIL H」」4 TLLERNN E02 L ILKTT STTTIN NIAT RLEI正<, I PO KET HOLE A0=2C5 气MLBA[LAT]]AAE:05AE 4 E THE B吓TH〈三 cAMs1606141340SG Doc D026104 Rev 3 9/12 Soldering information MP23AB02B 6 Soldering information Figure 6. Recommended soldering profile limits RAMP-UP CRITICAL ZONE TL SMAX PR三FEAT RAMP-DOWN [25C to PEAK TIME 306090120150180210240270300330360390 AM045166v1 Table 7 Recommended soldering profile limits Description Parameter Pb free Average ramp rate TL to TP 3°C/ sec max Preheat Minimum temperature SMIN 150°C Maximum temperature SMAX 200°C Tme( T sMIN to TsMA×) ts 60 sec to 120 sec Ramp-up rate SMAX to T Time maintained above liquidus temperature 60 sec to 150 sec Liquidus temperature TL 217°C Peak temperature T 260°Gmax Time within 5"C of actual peak temperature 20 sec to 40 sec Ramp-down rate 6°c/ sec max Tme25°c(t=25°c) to peak temperature 8 minutes max 10/12 Doc D026104 Rev 3