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max98314 mono 3.2w class d amplifier with integrated input coupling capacitors ????????????????????????????????????????????????????????????????? maxim integrated products 1 general description the max98314 mono 3.2w class d amplifier provides class ab audio performance with class d efficiency. this device offers five selectable gain settings (0db, 3db, 6db, 9db, and 12db) set by a single gain-select input (gain). active emissions limiting (ael) edge rate and overshoot control circuitry and a filterless spread-spectrum modu - lation (ssm) scheme greatly reduce emi and eliminate the need for output filtering found in traditional class d devices. the ics low 0.95ma at 3.7v, 1.2ma at 5.0v quiescent current extends battery life in portable applications. highly linear, integrated input coupling capacitors (c in ) reduce solution size and provide excellent thd+n, psrr, and cmrr performance at low frequencies vs. standard class d amplifiers using external input capacitors. the ic is available in a small 9-bump, 0.3mm pitch wlp (1.0mm x 1.0mm x 0.80mm) package and is specified over the -40 n c to +85 n c extended temperature range. applications mobile phones portable audio notebook computers mp3 players netbook computers voip phones features s integrated input coupling capacitors with excellent linearity ? f c = 100hz (6db) ? f c = 200hz (12db) s low quiescent current ? 0.95ma at 3.7v ? 1.2ma at 5.0v s delivers high output power at 10% thd+n ? 3.2w into 4 i , v pvdd = 5v ? 960mw into 8 i , v pvdd = 3.7v s ultra-low noise: 19v s eliminates output filtering requirement ? spread spectrum and active emissions limiting s click-and-pop suppression s thermal and overcurrent protection s low current shutdown mode s small, space-saving package simplified block diagram 19-6124; rev 0; 11/11 ordering information appears at end of data sheet. for related parts and recommended products to use with this part, refer to: www.maxim-ic.com/max98314.related evaluation kit available gain control class d modulator and h-bridge c in c in max98314 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxims website at www.maxim-ic.com.
????????????????????????????????????????????????????????????????? maxim integrated products 2 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors functional diagram/typical application circuit in- c2 in+ gain a3 pvdd shdn c3 class d modulator low-emi driver pvdd a1 a2 out- out+ pgnd low-emi driver pvdd pgnd pgnd b1 uvlo /p ower management click-and-pop suppression 2.5v to 5.5v 10f * *system bulk capacitance. 0.1 f max98314 b3 c1
????????????????????????????????????????????????????????????????? maxim integrated products 3 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors pvdd, in+, in-, shdn , gain to pgnd ................... 0.3v to +6v out+, out- to pgnd ............................ 0.3v to (v pvdd + 0.3v) continuous current in/out of pvdd, pgnd, out_ ......... 750ma continuous input current (all other pins) ........................ q 20ma duration of short circuit between out_ to pvdd, pgnd .......................................... continuous between out+ and out- pins ............................. continuous continuous power dissipation (t a = +70 n c) for multilayer board wlp (derate 10.64mw/ n c above +70 n c) ..................... 851mw junction temperature ..................................................... +150 n c operating temperature range .......................... -40 n c to +85 n c storage temperature range ............................ -65 n c to +150 n c soldering temperature (reflow) ...................................... +260 n c wlp junction-to-ambient thermal resistance ( b ja ) ........ 102 n c/w junction-to-case thermal resistance ( b jc ) ............... 47 n c/w absolute maximum ratings note 1: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four- layer board. for detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial . stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional opera - tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. package thermal characteristics (note 1) electrical characteristics (v pvdd = v shdn = v gain = 5v, v pgnd = 0v, a v = 6db (gain = pvdd), r l = j , r l connected between out+ to out-, ac measure - ment bandwidth 20hz to 22khz, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 n c.) (note 2, 3) parameter symbol conditions min typ max units amplifier characteristics supply voltage range v pvdd guaranteed by psrr test 2.5 5.5 v undervoltage lockout uvlo pvdd falling 1.8 2.2 v quiescent current i pvdd v pvdd = 5v 1.2 1.8 ma v pvdd = 3.7v 0.95 shutdown supply current i shdn v shdn = 0v, t a = +25 n c < 0.1 10 f a turn-on time t on 3.7 10 ms bias voltage v bias v pvdd /2 v voltage gain a v f = 1khz gain connected to pgnd 11.75 12 12.25 db gain connected to pgnd through 100k i q 5% resistor 8.75 9 9.25 gain connected to pvdd 5.75 6 6.25 gain connected to pvdd through 100k i q 5% resistor 2.75 3 3.25 gain unconnected -0.25 0 +0.25 input capacitance c in all gains 0.011 f f highpass corner frequency f c -3db down a v = 12db 199 hz a v = 9db 139 a v = 6db 63 100 189 a v = 3db 70 a v = 0db 50
????????????????????????????????????????????????????????????????? maxim integrated products 4 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors electrical characteristics (continued) (v pvdd = v shdn = v gain = 5v, v pgnd = 0v, a v = 6db (gain = pvdd), r l = j , r l connected between out+ to out-, ac measure - ment bandwidth 20hz to 22khz, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 n c.) (note 2, 3) parameter symbol conditions min typ max units common-mode rejection ratio cmrr f in = 1khz, input referred 67 db output offset voltage v os t a = +25 n c (note 4) q 1 q 3 mv click-and-pop level k cp r l = 8 i + 68 f h, peak voltage, t a = +25 n c, a-weighted, 32 samples per second, t a = +25 n c (notes 4, 5) into shutdown -59 dbv out of shutdown -82 power-supply rejection ratio (note 4) psrr v pvdd = 2.5v to 5.5v, t a = +25 n c 70 90 db v ripple = 200mv p-p f = 217hz 74 f = 1khz 72 f = 20khz 49 output power p out thd+n = 10% f = 1khz r l = 4 i + 33 f h v pvdd = 5.0v 3.2 w v pvdd = 4.2v 2.2 v pvdd = 3.7v 1.7 thd+n = 1% f = 1khz r l = 4 i + 33 f h v pvdd = 5.0v 2.6 v pvdd = 4.2v 1.8 v pvdd = 3.7v 1.4 thd+n = 10% f = 1khz r l = 8 i + 68 f h v pvdd = 5.0v 1.8 v pvdd = 4.2v 1.2 v pvdd = 3.7v 0.96 thd+n = 1% f = 1khz r l = 8 i + 68 f h v pvdd = 5.0v 1.4 v pvdd = 4.2v 1 v pvdd = 3.7v 0.8 total harmonic distortion plus noise thd+n f in = 1khz r l = 4 i , p out = 1w 0.03 0.1 % r l = 8 i p out = 0.725w 0.03 output noise v n a-weighted (note 4) a v = 12db 31 f v rms a v = 9db 26 a v = 6db 23 a v = 3db 21 a v = 0db 19 efficiency e r l = 8 i , p out = 1.8w, f = 1khz 93 % oscillator frequency f osc 300 khz spread-spectrum bandwidth 20 khz current limit 2.8 a thermal shutdown level 155 n c
????????????????????????????????????????????????????????????????? maxim integrated products 5 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors electrical characteristics (continued) (v pvdd = v shdn = v gain = 5v, v pgnd = 0v, a v = 6db (gain = pvdd), r l = j , r l connected between out+ to out-, ac measure - ment bandwidth 20hz to 22khz, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 n c.) (note 2, 3) note 2: all devices are 100% production tested at t a = +25 n c. specifications over temperature limits are guaranteed by design. note 3: testing performed with a resistive load in series with an inductor to simulate an actual speaker load. for r l = 4 i , l = 33 f h. for r l = 8 i , l = 68 f h. note 4: amplifier inputs ac-coupled to ground. note 5: mode transitions controlled by shdn control pin. typical operating characteristics (v pvdd = v shdn = 5.0v, v pgnd = 0v, a v = 6db, r l = j , r l connected between out+ to out-, ac measurement bandwidth 20hz to 22khz, t a = +25 n c, unless otherwise noted.) parameter symbol conditions min typ max units thermal hysteresis 15 n c digital input ( shdn ) input voltage high v inh v pvdd = 2.5v to 5.5v 1.4 v input voltage low v inl v pvdd = 2.5v to 5.5v 0.4 v input leakage current t a = +25 n c q 1 f a total harmonic distortion plus noise vs. frequency max98314 toc01 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 5v z load = 4 i + 33h p out = 2w p out = 1.5w total harmonic distortion plus noise vs. frequency max98314 toc02 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 4.2v z load = 4 i + 33h p out = 1w p out = 0.5w total harmonic distortion plus noise vs. frequency max98314 toc03 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 3.7v z load = 4 i + 33h p out = 0.8w p out = 0.2w total harmonic distortion plus noise vs. frequency max98314 toc04 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 5v z load = 8 i + 68h p out = 1.2w p out = 0.2w total harmonic distortion plus noise vs. frequency max98314 toc05 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 4.2v z load = 8 i + 68h p out = 0.6w p out = 0.3w total harmonic distortion plus noise vs. frequency max98314 toc06 frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1 10 0.001 10 100k v pvdd = 3.7v z load = 8 i + 68h p out = 0.2w p out = 0.4w
????????????????????????????????????????????????????????????????? maxim integrated products 6 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors typical operating characteristics (continued) (v pvdd = v shdn = 5.0v, v pgnd = 0v, a v = 6db, r l = j , r l connected between out+ to out-, ac measurement bandwidth 20hz to 22khz, t a = +25 n c, unless otherwise noted.) total harmonic distortion plus noise vs. output power max98314 toc10 total harmonic distortion plus noise vs. output power output power (w) thd+n (%) 1.5 1.0 0.5 0 0.01 0.1 1 10 100 0.001 2.0 v pvdd = 5v z load = 8 i + 68h f = 6khz f = 1khz f = 100hz total harmonic distortion plus noise vs. output power max98314 toc11 output power (w) thd+n (%) 1.2 0.9 0.6 0.3 0.01 0.1 1 10 100 0.001 0 1.5 v pvdd = 4.3v z load = 8 i + 68h f = 6khz f = 1khz f = 100hz total harmonic distortion plus noise vs. output power max98314 toc12 output power (w) thd+n (%) 0.9 0.6 0.01 0.1 1 10 100 0.001 0 1.2 v pvdd = 3.7v z load = 8 i + 68h f = 6khz f = 1khz f = 100hz 0.3 output power vs. load resistance max98314 toc13 r load (i) output power (w) 100 10 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 1 1000 v pvdd = 5v thd+n = 10% thd+n = 1% output power vs. load resistance max98314 toc14 r load (i) output power (w) 100 10 0.5 1.0 1.5 2.0 2.5 0 1 1000 v pvdd = 3.7v thd+n = 10% thd+n = 1% output power vs. supply voltage max98314 toc15 supply voltage (v) output power (w) 5.0 4.5 4.0 3.5 3.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 2.5 5.5 f = 1khz z load = 4 i + 33h thd+n = 10% thd+n = 1% total harmonic distortion plus noise vs. output power max98314 toc07 output power (w) thd+n (%) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.01 0.1 1 10 100 0.001 0 4.0 v pvdd = 5v z load = 4 i + 33h f = 6khz f = 1khz f = 100hz total harmonic distortion plus noise vs. output power max98314 toc08 output power (w) thd+n (%) 2.0 1.5 1.0 0.5 0.01 0.1 1 10 100 0.001 0 2.5 v pvdd = 4.2v z load = 4i + 33h f = 6khz f = 1khz f = 100hz total harmonic distortion plus noise vs. output power max98314 toc09 total harmonic distortion plus noise vs. output power output power (w) thd+n (%) 1.5 1.0 0.5 0 0.01 0.1 1 10 100 0.001 2.0 v pvdd = 3.7v z load = 4 i + 33h f = 6khz f = 1khz f = 100hz
????????????????????????????????????????????????????????????????? maxim integrated products 7 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors typical operating characteristics (continued) (v pvdd = v shdn = 5.0v, v pgnd = 0v, a v = 6db, r l = j , r l connected between out+ to out-, ac measurement bandwidth 20hz to 22khz, t a = +25 n c, unless otherwise noted.) output power vs. supply voltage max98304 toc16 supply voltage (v) output power (w) 5.0 4.5 4.0 3.5 3.0 0.5 1.0 1.5 2.0 2.5 0 2.5 5.5 f = 1khz z load = 8 i + 68h thd+n = 10% thd+n = 1% frequency (hz) 1k 100k gain (db) 10k 100 10 gain vs. frequency max98314 toc17 -15 -10 -5 0 5 10 15 20 -20 gain = 0db gain = 3db gain = 9db gain = 6db gain = 12db efficiency vs. output power max98314 toc18 output power (w) efficiency (%) 3.0 2.5 1.5 2.0 1.0 0.5 10 20 30 40 50 60 70 80 90 100 0 0 3.5 v pvdd = 5v z load = 8 i + 68h z load = 4 i + 33h efficiency vs. output power max98314 toc19 output power (w) efficiency (%) 1.5 1.0 0.5 10 20 30 40 50 60 70 80 90 100 0 0 2.0 v pvdd = 3.7v z load = 8 i + 68h z load = 4 i + 33h supply current vs. supply voltage max98314 toc20 supply voltage (v) supply current (ma) 5.0 4.5 4.0 3.5 3.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 2.5 5.5 power-supply rejection ratio vs. frequency max98314 toc21 frequency (hz) psrr (db) 10k 1k 100 10 20 30 40 50 60 70 80 90 100 0 10 100k v ripple = 200mv p-p z load = 8 i + 68h power-supply rejection ratio vs. supply voltage max98314 toc22 supply voltage (v) psrr (db) 5.0 4.5 4.0 3.5 3.0 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 -100 2.5 5.5 f = 1khz v ripple = 200mv p-p 10 20 30 40 50 60 70 80 90 100 110 frequency (hz) 10k 1k 100 10 100k common-mode rejection ratio vs. frequency max98314 toc23 cmrr (db) 120 0 z load = 8 i + 68h a v = 0db a v = 6db a v = 9db a v = 12db a v = 3db
????????????????????????????????????????????????????????????????? maxim integrated products 8 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors typical operating characteristics (continued) (v pvdd = v shdn = 5.0v, v pgnd = 0v, a v = 6db, r l = j , r l connected between out+ to out-, ac measurement bandwidth 20hz to 22khz, t a = +25 n c, unless otherwise noted.) startup response max98314 toc24 i spkr_out 100ma /div v shdn 2v/div shutdown response max98314 toc25 i spkr_out 100ma /div 1ms/div v shdn 2v/div narrowband vs. frequency max98314 toc27 frequency (hz) output magnitude (dbv) 10k 1k 100 -120 -100 -80 -60 -40 -20 0 -140 10 100k f = 1khz v out = -60dbv frequency (mhz) output magnitude (dbv) 10 1 0.1 100 wideband vs. frequency max98314 toc26 -100 -80 -60 -40 -20 0 rbw = 100hz -120
????????????????????????????????????????????????????????????????? maxim integrated products 9 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors pin description pin configuration bump name function a1 out- negative speaker output a2 out+ positive speaker output a3 pvdd power supply. bypass pvdd with a 0.1 f f and 10 f f capacitor to pgnd. b1 pgnd power ground b2 n.c. no connection. can be left unconnected or connected to pgnd. b3 gain gain select. see table 1 for gain settings. c1 shdn active-low shutdown input. drive shdn low to place the device in shutdown. c2 in- inverting audio input c3 in+ noninverting audio input wlp (0.3mm pitch) top view (bump-side down) max98314 + out- pgnd shdn in- in+ n.c. gain pvdd out+ 12 3 b c a
???????????????????????????????????????????????????????????????? maxim integrated products 10 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors detailed description the max98314 features low quiescent current, a low- power shutdown mode, comprehensive click-and-pop suppression, and excellent rf immunity. the ic offers class ab audio performance with class d efficiency in a minimal board-space solution. the class d amplifier features spread-spectrum modulation, edge- rate, and overshoot control circuitry that offers significant improvements to switch-mode amplifier radiated emis - sions. the amplifier features click-and-pop suppression that reduces audible transients on startup and shutdown. the amplifier additionally includes thermal overload and short-circuit protection. highly linear, integrated input coupling capacitors (c in ) reduce solution size and provide excellent thd+n, psrr, and cmrr performance at low frequencies vs. standard class d amplifiers using external input capaci - tors. class d speaker amplifier the ics filterless class d amplifier offers much higher efficiency than class ab amplifiers. the high efficiency of a class d amplifier is due to the switching operation of the output stage transistors. any power loss associated with the class d output stage is mostly due to the i 2 r loss of the mosfet on-resistance and quiescent switching current overhead. ultra-low emi filterless output stage traditional class d amplifiers require the use of external lc filters, or shielding, to meet electromagnetic inter - ference (emi) regulation standards. maxims patented active emissions limiting edge-rate control circuitry and spread-spectrum modulation reduces emi emissions, while maintaining up to 93% efficiency. the spread-spectrum modulation mode flattens wide - band spectral components, while proprietary techniques ensure that the cycle-to-cycle variation of the switching period does not degrade audio reproduction or effi - ciency. the ics spread-spectrum modulator randomly varies the switching frequency by q 20khz around the center frequency (300khz). above 10mhz, the wideband spectrum looks like noise for emi purposes ( figure 1 ). amplifier current limit if the output current of the speaker amplifier exceeds the current limit (2.8a typ), the ic disables the outputs for approximately 100 f s. at the end of 100 f s, the outputs are reenabled. if the fault condition still exists, the ic continues to disable and reenable the outputs until the fault condition is removed. selectable amplifier gain the ic offers five programmable gain settings, selectable by a single gain input (gain). table 1. gain selection integrated input coupling capacitors (c in ) the ic integrates two 0.011 f f input coupling capacitors, c in . the input coupling capacitors, in conjunction with the amplifiers internal input resistance (r in ), form a first- order highpass filter that removes the dc bias from the incoming signal. these capacitors allow the amplifier to bias the signal to an optimum dc level. figure 1. emi performance with 60cm of speaker cable, no output filter gain pin maximum gain (db) connect to pgnd 12 connect to pgnd through 100k i q 5% 9 connect to pvdd 6 connect to pvdd through 100k i q 5% 3 unconnected 0 90 70 50 30 10 -10 0 100 200 300 400 500 600 700 800 900 1000 emissions level (dbv/m) frequency (mhz) en5502b limit horizontal vertical
???????????????????????????????????????????????????????????????? maxim integrated products 11 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors assuming zero source impedance, the -3db corner frequency, f -3db , is: f -3db = 1/2 g r in c in [hz] the 100ppm/v voltage coefficient of the integrated input coupling capacitor results in excellent low-frequency thd+n performance. figure 2 illustrates the superior linearity of the ics integrated input coupling capacitors compared to a similar amplifier with external 0.01 f f x7r and x5r 0402 input coupling capacitors. shutdown the ic features a low-power shutdown mode, drawing < 0.1 f a (typ) of supply current. drive shdn low to put the ic into shutdown. click-and-pop suppression the speaker amplifier features maxims comprehensive click-and-pop suppression. during startup, the click- and-pop suppression circuitry reduces any audible transient sources internal to the device. when entering shutdown, the differential speaker outputs ramp down to pgnd quickly and simultaneously. applications information filterless class d operation traditional class d amplifiers require an output filter. the filter adds cost and size, and decreases efficiency and thd+n performance. the ics filterless modulation scheme does not require an output filter. because the switching frequency of the ic is well beyond the bandwidth of most speakers, voice coil movement due to the switching frequency is very small. use a speaker with a series inductance > 10 f h. typical 8 i speakers exhibit series inductances in the 20 f h to 100 f h range. speaker amplifier power-supply input (pvdd) pvdd powers the speaker amplifier and ranges from 2.5v to 5.5v. bypass pvdd with a 0.1 f f and 10 f f capacitor to pgnd. apply additional bulk capacitance at the device if long input traces between pvdd and the power source are used. layout and grounding proper layout and grounding are essential for optimum performance. good grounding improves audio perfor - mance and prevents switching noise from coupling into the audio signal. use wide, low-resistance output traces. as the load impedance decreases, the current drawn from the device increases. at higher current, the resistance of the output traces decrease the power delivered to the load. for example, if 2w is delivered from the device output to a 4 i load through 100m i of total speaker trace, 1.904w is delivered to the speaker. if power is delivered through 10m i of total speaker trace, 1.99w is delivered to the speaker. wide output, supply, and ground traces also improve the power dissipation of the device. the ic is inherently designed for excellent rf immunity. for best performance, add ground fills around all signal traces on top or bottom pcb layers. figure 2. low-frequency thd+n performance total harmonic distortion plus noise vs. frequency frequency (hz) thd+n (%) 10k 1k 100 0.01 0.1 1.0 10 0.001 10 100k v pvdd = 4.2v z load = 8i + 68h p out = 600mw max98314 internal caps x7r caps x5r caps
???????????????????????????????????????????????????????????????? maxim integrated products 12 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors ordering information wlp applications information for the latest application details on wlp construction, dimensions, tape carrier information, pcb techniques, bump-pad layout, and recommended reflow temperature profile, as well as the latest information on reliability test - ing results, refer to application note 1891: wafer-level packaging (wlp) and its applications . figure 3 shows the dimensions of the wlp balls used on the ic. figure 3. wlp ball dimensions + denotes a lead(pb)-free/rohs-compliant package. part temp range pin-package max98314ewl+ -40 n c to +85 n c 9 wlp 0.18mm 0.18mm
???????????????????????????????????????????????????????????????? maxim integrated products 13 max98314 mono 3.2w class d amplifier with integrated input coupling capacitors package information for the latest package outline information and land patterns (footprints), go to www.maxim-ic.com/packages . note that a +, #, or - in the package code indicates rohs status only. package drawings may show a different suffix character, but the drawing pertains to the package regardless of rohs status. package type package code outline no. land pattern no. 9 wlp (0.3mm pitch) w90a0+1 21-0539 refer to application note 1891 e d aaaa pin 1 indicator marking a3 a2 a1 a see note 7 0.05 s s d1 e1 e b sd se a b side view -drawing not to scale- 1 2 3 a 21-0539 b 0.75 0.16 0.59 0.040 0.21 0.60 0.60 0.30 0.95 0.98 0.95 0.98 b c top view bottom view a 1 w90a0+1 title document control no . rev. 1 1 approval common dimensions a a2 a1 a3 b e1 d1 e sd se 0.05 0.03 0.03 basic basic 0.00 basic 0.00 basic basic ref basic min max max min e d pkg. code depopulated bumps none notes: 1. terminal pitch is defined by terminal center to center value. 2. outer dimension is defined by center lines between scribe lines. 3. all dimensions in millimeter . 4. marking shown is for package orientation reference only. 5. tolerance is 0.02 unless specified otherwise . 6. all dimensions apply to pbfree (+) package codes only. 7. front - side finish can be either black or clear. package outline 9 bumps, wlp pkg. 0.3mm pitch
max98314 mono 3.2w class d amplifier with integrated input coupling capacitors maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. the parametric values (min and max limits) shown in the electrical characteristics table are guaranteed. other parametric values quoted in this data sheet are provided for guidance. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 14 ? 2011 maxim integrated products maxim is a registered trademark of maxim integrated products, inc. revision history revision number revision date description pages changed 0 11/11 initial release

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