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pam8124 document number: ds36627 rev. 1 - 2 1 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated high power audio description the pam8124 is a 15w efficient, class-d audio power amplifier for driving stereo speakers in a single- ended configuration; or a mono speaker in a bridge-tied-load conf iguration. the pam8124 can drive stereo speakers (se) as low as 4 ? . due to the low power dissipation and high efficiency, up to 95%, the device can be used without any external heat sink when playing music. the gain of the amplifier is controlled by 2 gain selectable pins, offering 20db, 26db, 32db, and 36db gain selections. the pam8124 is available in a tssop-24-ep package. features ? 30w/ch into 8 ? btl load from 22v supply ? 15w/ch into 4 ? se load from 22v supply ? 10w/ch into 8 ? se load from 24v supply ? operate from 10v to 26v ? single-ended analog inputs ? supports multiple output configurations: ? 2-ch single-ended (se, half-bridge) ? 1-ch bridge-tied load (btl, full-bridge) ? four selectable fixed-gain settings ? no pop noise for start-up and shut-down sequences ? internal oscillator (no external components required) ? high efficient class-d operation eliminates need for heat sinks ? thermal and short-circuit protection with auto recovery ? space-saving surface-mount tssop-24ep package ? pb-free package pin assignments tssop-24-ep pvccl sdn pvccl mute lin vcm agnd agnd pvccr vclamp pvccr pgndr pgndr rout bsr gain1 gain0 avcc bsl lout pgndl pgndl pam8124 xxxywwll 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 rin se_btl applications ? televisions ? home sound systems ? active speakers typical applications circuit p vccl 1 sdn 2 p vccl 3 mute 4 lin 5 ri n 6 vcm 7 agnd 8 agnd 9 p vccr 10 vcl a mp 11 p vccr 12 pgndr 13 pgndr 14 rout 15 bsr 16 gain1 17 gain0 18 se_btl 19 avcc 20 bsl 21 lout 22 pgndl 23 pgndl 24 u1 sd mute c1 1uf c3 1uf c5 220 nf l1 33u h g0 c2 1uf g1 r1 4.7k c7 470 uf l_ou t1 8ohm c6 220 nf l2 33u h c4 1uf r2 4.7k c8 470 uf r_ou t1 8ohm l_i n r_i n pam8124 10v_ to_2 6v 10v_ to_2 6v se_btl 10v_ to_2 6v
pam8124 document number: ds36627 rev. 1 - 2 2 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated pin descriptions pin name i/o/p function 1, 3 pvccl p power supply for left channel h-bridge, not connected to pvccr or avcc 2 sdn i shutdown signal for ic (low = shutdown, high = operational). ttl logic levels with compliance to avcc 4 mute i a logic high on this pin disables the outputs. a low on this pin enables the outputs. ttl logic levels with compliance to avcc 5 lin i audio input for left channel 6 rin i audio input for right channel 7 vcm o reference for analog cells 8, 9 agnd p analog ground for digital/analog cells in core 10, 12 pvccr p power supply for right channel h-bridge, not connected to pvccl or avcc 11 vclamp p internally generated voltage supply for bootstrap. not to be used as a supply or connected to any component other than the decoupling capacitor. 13, 14 pgndr p power ground for right channel h-bridge 15 rout o class-d h-bridge output for right channel 16 bsr i/o bootstrap i /o for right channel h-bridge 17 gain1 i gain select most-significant bi t. ttl logic levels with compliance to avcc 18 gain0 i gain select least-significant bi t. ttl logic levels with compliance to avcc 19 se_btl i a logic low on this pin enables one single-ended input in btl configuration. a logic high on this pin enables two inputs in se/btl configuration. ttl logic levels with compliance to avcc 20 avcc p high-voltage analog power supply 21 bsl i/o bootstrap i /o for left channel h-bridge 22 lout o class-d h-bridge output for left channel 23, 24 pgndl p power ground for left channel h-bridge functional block diagram
pam8124 document number: ds36627 rev. 1 - 2 3 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated absolute maximum ratings (@t a = +25c, unless otherwise specified.) parameter rating unit supply voltage (vcc) 28 v logic input voltage (sdn, mute, gain0, gain1, se_btl) -0.3 to v cc +0.3 v analog input voltage (lin, rin) -0.3 to +5.5 v storage temperature -65 to +150 c maximum junction temperature 150 c junction to ambient thermal resistance 40 c/w recommended operating conditions (@t a = +25c, unless otherwise specified.) symbol parameter min max unit v cc supply voltage 10 26 v t a operating ambient temperature range -40 +85 c t j junction temperature range -40 +125 c electrical characteristics (@t a = +25c, v cc = 24v, gain = 20db, r l = 8 ? unless otherwise specified.) symbol parameter test conditions min typ max units |vos| class-d output offset voltage(measured differently) v i = 0v, a v = 36db 20 100 mv i cc(q) quiescent supply current sdn = 2.5v, mute = 0v, no load 25 40 ma i cc(mute) quiescent supply current in mute mode mute = 2.5v, no load 25 40 ma i cc(sdn) quiescent current in shutdown mode sdn = 0.8v, no load 30 60 a r ds(on) drain-source on-state resistance i o = 0.5a 150 m ? g gain gain1 = 0.8v, gain0 = 0.8v 18 20 22 db gain1 = 0.8v, gain0 = 2.5v 24 26 28 gain1 = 2.5v, gain0 = 0.8v 30 32 34 gain1 = 2.5v, gain0 = 2.5v 34 36 38 mute attenuation vi = 1vrms -60 db psrr power supply rejection ratio v ripple = 200mvpp, f = 1khz,gain = 20db -52 db p o output power at 1% thd+n r l = 4 ? , f = 1khz 14 w r l = 8 ? , f = 1khz 8 output power at 10% thd+n r l = 4 ? , f = 1khz 18 r l = 8 ? , f = 1khz 10 thd+n total harmonic distortion + noise r l =4 ? , f = 1khz, po = 10w 0.15 % r l = 8 ? , f = 1khz, po = 5w 0.08 vn output integrated noise floor 20hz to 22khz, a-weighted, gain = 20db 200 v cs crosstalk p o = 1w, f = 1khz, gain = 20db -70 db snr signal-to-noise ratio thd+n<1%, f = 1khz, gain = 20db 92 db otp thermal trip point 160 c oth thermal hysteresis 60 c fosc oscillator frequency se_btl = 2.5v 250 300 350 khz se_btl = 0.8v 360
pam8124 document number: ds36627 rev. 1 - 2 4 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated 0.02 20 0.05 0.1 0.2 0.5 1 2 5 10 % 20 20k 50 100 200 500 1k 2k 5k 10k hz performance characteristics (@t a = +25c, v cc = 24v, f = 1khz, gain = 20db unless otherwise specified.) thd+n vs. output power (r l = 4 ? , se) 0.06 20 0.1 0.2 0.5 1 2 5 10 % 1m 30 2m 5m 10m 20m 50m 100m 200m 500m 1 2 5 10 20 w thd+n vs. output power (r l = 8 ? , se) 0.03 20 0.05 0.1 0.2 0.5 1 2 5 10 % 1m 20 2m 5m 10m 20m 50m 100m 200m 500m 1 2 5 10 w thd+n vs. frequency (r l = 4 ? , se) 0.03 20 0.05 0.1 0.2 0.5 1 2 5 10 % 20 20k 50 100 200 500 1k 2k 5k 10k hz thd+n vs. frequency (r l = 8 ? , se) thd+n vs. output power (r l = 8 ? , btl) 0.03 20 0.05 0.1 0.2 0.5 1 2 5 10 % 1m 50 2m 5m 10m 20m 50m 100m 200m 500m 1 2 5 10 20 w thd+n vs. frequency (r l = 8 ? , btl) 0.01 20 0.02 0.05 0.1 0.2 0.5 1 2 5 10 % 20 20k 50 100 200 500 1k 2k 5k 10k hz p o = 1w/ 2w/ 6w (red / blue/ pink) p o = 5w/ 10w/ 15w (red / blue/ pink) p o = 2w/ 5w/ 8w (red / blue/ pink)
pam8124 document number: ds36627 rev. 1 - 2 5 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated performance characteristics (@t a = +25c, v cc = 24v, f = 1khz, gain = 20db unless otherwise specified.) crosstalk vs. frequency (r l = 4 ? , se) -100 +0 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz crosstalk vs. frequency (r l = 8 ? , se) -100 +0 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz tt psrr vs. frequency (r l = 4 ? , se) -80 +0 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz tt psrr vs. frequency (r l = 8 ? , se) -80 +0 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz ttt psrr vs. frequency (r l = 8 ? , btl) -80 +0 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz ttt ttt noise floor (r l = 8 ? , se) -130 +0 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz p o = 1w l to r/ r to l ( red /blue ) p o = 1w l to r/ r to l (red / blue)
pam8124 document number: ds36627 rev. 1 - 2 6 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated performance characteristics (@t a = +25c, v cc = 24v, f = 1khz, gain = 20db unless otherwise specified.) frequency response (r l = 8 ? , se) frequency response (r l = 8 ? , btl) efficiency vs. output power (r l = 4 ? ) efficiency vs. output power (r l = 8 ? ) quiescent current vs. supply voltage osc frequency vs. supply voltage +10 +24 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 d b g a 20 20k 50 100 200 500 1k 2k 5k 10k hz l filt = 33h c filt = 0.22f c dc = 470f +10 +24 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 d b g a 20 20k 50 100 200 500 1k 2k 5k 10k hz
pam8124 document number: ds36627 rev. 1 - 2 7 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated performance characteristics (@t a = +25c, v cc = 24v, f = 1khz, gain = 20db unless otherwise specified.) case temperature vs. output power (r l = 4 ? ) case temperature vs. output power (r l = 8 ? ) application information input capacitors (ci) in the typical application, an input capacitor ci, is required to allow the amplifier to bias the input signal to the proper dc level for optimum operation. in this case, ci and the minimum input impedance ri form is a high-pass filter with the corner frequency determined in the follow equation: () c 1 f 2rici = it is important to consider the value of ci as it directly affects the low frequency performance of the circuit. for example, w hen ri is 40k ? and the specification calls for a flat bass response are down to 20hz. equation is reconfigured as followed: () ic 1 ci 2rf = when input resistance variation is considered ci is 200nf, so one would likely choose a value of 220nf. a further consideration for this capacitor is the leakage path from the input source through the input network (ci, ri + rf) to the load. this leakage current creates a d c offset voltage at the input to the amplifier that reduces useful headroom, especially in high gain app lications. for this reason, a low-leakage t antalum or ceramic capacitor is the best choice. gain setting control the gain of the pam8124 is set by two input terminals, gain0 and gain1. the gains listed in following table are realized by changing the t aps on the input resistors inside the amplifier. this causes the input impedance to be dependent on the gain setting. the actual gain settings are cont rolled by ratios of resistors, so the gain variation from pa rt-to-part is small. however, the input impedance from part-to-part at the same gain may shift by 20% due to shifts in the actual resistance of the input resistors. table 1: gain setting gain1 gain0 amplifier gain (db), typical input impedance (k ? ), typical (ri) 0 0 20 40 0 1 26 20 1 0 30 10 1 1 36 6.67 two channels driving two channels driving
pam8124 document number: ds36627 rev. 1 - 2 8 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated application information (cont.) input resistance changing the gain setting can vary the input resistance of the amplifier from its smallest value (6.67k ? 20%) to the largest value (40k ? 20%). as a result, if a single capacitor is used in the input high-pass filter, the ?3db cutoff frequency may change when changing ga in steps. the ?3db frequency can be calculated us ing the following equation. use t he ri values given in table 1. () c 1 f 2rici = single-ended output capacitor in single-ended (se) applications, the dc bl ocking capacitor forms a high-pass filter with the speaker impedance. the frequency response rolls off with decreasing frequency at a rate of 20db/decade. the cutoff frequency is determined by: se l coh c r f 2 1 = table 2 shows some common component values and the associated cutoff frequencies: table 2: common filter responses r l -speaker impedance ( ? ) cse-dc blocking capacitor (f) fc = 60hz (-3db) fc = 40hz (-3db) fc = 20hz (-3db) 4 680 1000 2200 6 470 680 1500 8 330 470 1000 output filter and frequency response for the best frequency response, a flat pass band output filter (second-order butterworth) may be used. the output filter compo nents consist of the series inductor and capacitor to ground at the lout and rout pins. there are several possible configurations, depending on the speaker impedance and whether the output configurati on is single-ended (se) or bridge-tied l oad (btl). table 3 lists the recommended va lues for the filter components. it is important to use a high-quality capacitor in this application. a rating of at least x7r is required. table 3: recommended filter output components output configuration speaker impedance( ? ) filter inductor(h) filter capacitor(nf) single ended (se) 4 22 680 8 33 220 bridge tied load (btl) 8 22 680
pam8124 document number: ds36627 rev. 1 - 2 9 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated application information (cont.) btl filter configuration se filter configuration power and heat dissipation choose speakers that are able to stand large output power from the pam8124. otherwise, speaker may suffer damage. heat dissipation is very important when the device works in full power operation. two factors affect the heat dissipation, the efficiency of the device that determines the dissipation power, and the thermal re sistance of the package that determines the heat dissipation ca pability. generally, class-d amplifiers are high efficiency and need no heat sink. operating at higher powers a heat sink still may not b e necessary if the pcb is carefully designed to ac hieve good thermal dissipation. how to reduce emi most applications require a ferrite bead filter for emi eliminati on shown at figure 1. the ferrite filter reduces emi around 1m hz and higher. when selecting a ferrite bead, choose one with high impedance at high frequencies, but low impedance at low frequencies. 200pf 200pf out+ out- ferrite bead ferrite bead figure 1. ferrite bead filter to reduce emi dual-side pcb to achieve good heat dissipation, the pcb' s copper plate should be thicker than 35um and the copper plate on both sides of the pcb should be utilized for heat sink. the thermal pad on the bottom of the devic e should be soldered to the plate of the pcb, and via holes, usually 9 to 16, should be drilled in the pcb area under the device and deposited c opper on the vias should be thick enough so that the heat can be dissipated to the other side of the plate. there should be no insulation mask on the other side of the copper plate. it is better to drill mo re vias on the pcb around the device if possible.
pam8124 document number: ds36627 rev. 1 - 2 10 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated application information (cont.) mute operation the mute pin is an input for controlling the output state of t he pam8124. a logic high on this pin causes the outputs to run at a constant 50% duty cycle. a logic low on this pin enables the outputs. this pin may be used as a quick dis able or enable of the outputs. shutdown operation the pam8124 employs a shutdown operation mode to reduce supply curr ent to the absolute minimum level during periods of non-use to save power. the sdn input terminal should be pu lling high during normal operation when the amp lifier is in use. pulling sdn low caus es the outputs to mute and the amplifier to enter a low-current state. sdn shoul d never be left unconnected to prevent the amplifier from unpredi ctable operation. for the best power-off pop performance, the amplifier should be se t in shutdown mode prior to removing the power supply voltage . for the best start-up pop performance, the amplifier should be set in mute mode prior to restarting the amplifier. internal bias generator capacitor selection the internal bias generator (vcm) provides the internal bias for the preamplifier stage. the external input capacitors and this internal reference allow the inputs to be biased within the optimal common-mode range of the input preamplifiers. the selection of the capacitor value on the vcm terminal is cr itical for achieving the best dev ice performance. during startup or recovery from shutdown state the vcm capacitor determines the rate at which the amplifier starts up. the startup time is not critical for the best de-pop performance since any heard pop sound is the result of the class- d output switching-on other than that of the startup time. how ever, at least a 0.47f capacitor is recommended for the vcm capacitor. another function of the vcm capacitor is to bypa ss high frequency noise on the internal bias generator. power supply decoupling, cs the pam8124 is a high-performance cmos audio amplifier that requires adequate power supply decoupling to ensure the output tota l harmonic distortion (thd) as low as possible. powe r supply decoupling also prevents oscillati ons caused by long lead between the amplifi er and the speaker. the optimum decoupling is achieved by using two capacitors of different types that target different types of noise on the power supply leads. for higher frequency transients, spik es, or digital hash on the line, a good lo w equivalent-series-resistance (esr) cera mic capacitor of 0.1f is typically recommended, placed as cl ose as possible to the device's pvcc lead. to filter lower-frequency noises a large aluminium electrolytic capacitor of 470f or greater is recommended, placed near the audio pow er amplifier. the 10f capacitor also serve s as a local storage capacitor for supplying current during lar ge signal transients on the amplifier outputs. bsl and bsr capacitors the half h-bridge output stages use nmos transistors therefore requiring bootstrap c apacitors for the high side of each output to turn on correctly. a ceramic capacitor 220nf or more rated for over 25v must be connected from each output to its corresponding bootstrap input. s pecifically, one 220nf capacitor must be connected from lout to bsl and another 220 nf capacitor from rout to bsr. it is recommended to use 1 f bst capacitor to replace 220nf for lower than 100hz applications. vclamp capacitors to ensure that the maximum gate-to-source voltage for the nmos out put transistors is not exceeded, an internal regulator is use d to clamp the gate voltage. a 1f capacitor must be connected from vclamp to ground and must be rated for at least 25v. the voltages at the v clamp terminals vary with vcc and may not be used to power any other circuitry. using low-esr capacitors low-esr capacitors are recommended throughout this application secti on. a real (with respect to ideal) capacitor can be modeled simply as a resistor in series with an ideal capacit or. the voltage drop across this resistor mi nimizes the beneficial effects of the capac itor in the circuit. the lower the equivalent value of this resistance the more the real capacitor behaves as an ideal capacitor. short-circuit protection the pam8124 has short circuit protection ci rcuitry on the outputs to prevent damage to the device when output-to-output shorts (btl mode), output-to-gnd shorts, or output-to-vcc shorts occur. once a shor t-circuit is detected on the outpu ts, the output drive is immed iately disabled. this is not a latched fault. if the short was removed, the normal operation is restored.
pam8124 document number: ds36627 rev. 1 - 2 11 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated application information (cont.) thermal protection thermal protection on the pam8124 prevents damage to the device when the internal die temperature exceeds 160c. there is a 15 degree tolerance on this trip point from device to device. once the die temperature exceeds the set thermal point, the device enters i nto the shutdown state and the outputs are disabled. this is not a latched fault, t he thermal fault is cleared once the temperature of the die i s reduced by 60c. the device begins normal operation at this point without external system intervention. over voltage protection and under voltage lock-out (ovp and uvlo) an over voltage protection (ovp) circuit is integrated in pam8124, when the supply voltage is over 28v the ovp is active and th en the output stage is disabled. the pam8124 will auto recovery when the supply voltage is lower than the ovp threshold. the pam8124 incorporates circuitry designed to detect low suppl y voltage. when the supply voltage drops to 9v or below, the pam 8124 goes into a state of shutdown. when the supply voltage is hi gher than uvlo threshold normal operation is resumed. typical applications circuits pvccl 1 sdn 2 pvccl 3 mute 4 lin 5 ri n 6 vcm 7 agnd 8 agnd 9 pvccr 10 vcl a mp 11 pvccr 12 pgndr 13 pgndr 14 rout 15 bsr 16 gain1 17 gain0 18 se_btl 19 avcc 20 bsl 21 lout 22 pgndl 23 pgndl 24 u1 c10 10u f c7 0.1uf c12 10u f c9 0.1uf c14 470 uf c13 470 uf sd r1 mute r2 c1 1uf c2 1uf c4 1uf c3 1uf c15 220 nf l1 33u h g0 c5 1uf c8 0.1uf g1 c11 10u f vcc vcc vcc r3 4.7k c17 470 uf l_ou t 8ohm c16 220 nf l2 33u h c6 1uf r4 4.7k c18 470 uf r_ou t 8ohm l_i n r_i n pam8124 schematic for single-ended (se) configuration (8 ? speaker)
pam8124 document number: ds36627 rev. 1 - 2 12 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated application information (cont.) typical applications circuits (cont.) pvccl 1 sdn 2 pvccl 3 mute 4 lin 5 ri n 6 vcm 7 agnd 8 agnd 9 pvccr 10 vcl a mp 11 pvccr 12 pgndr 13 pgndr 14 rout 15 bsr 16 gain1 17 gain0 18 se_btl 19 avcc 20 bsl 21 lout 22 pgndl 23 pgndl 24 u1 c10 10u f c7 0.1uf c12 10u f c9 0.1uf c14 470 uf c13 470 uf sd r1 mute r2 c1 1uf c2 1uf c4 1uf c3 1uf c15 680 nf l1 22u h g0 c5 1uf c8 0.1uf g1 c11 10u f vcc vcc vcc r3 4.7k 8ohm c16 680 nf l2 22u h c6 1uf r4 4.7k in+ in- pam8124 schematic for bridge-tied-load (btl) configuration with differential input (8 ? speaker) pvccl 1 sdn 2 pvccl 3 mute 4 lin 5 ri n 6 vcm 7 agnd 8 agnd 9 pvccr 10 vcl a mp 11 pvccr 12 pgndr 13 pgndr 14 rout 15 bsr 16 gain1 17 gain0 18 se_btl 19 avcc 20 bsl 21 lout 22 pgndl 23 pgndl 24 u1 c10 10u f c7 0.1uf c12 10u f c9 0.1uf c14 470 uf c13 470 uf sd r1 mute c1 1uf c4 1uf c3 1uf c15 680 nf l1 22u h g0 c5 1uf c8 0.1uf g1 c11 10u f vcc vcc vcc r3 4.7k 8ohm c16 680 nf l2 22u h c6 1uf r4 4.7k in pam8124 schematic for bridge-tied-load (btl) configuration with single-ended input (8 ? speaker)
pam8124 document number: ds36627 rev. 1 - 2 13 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated ordering information pam8124 x x x r: tssop h: 24 pin r: tape & real part number package standard package PAM8124RHR tssop-24-ep 3000 units/tape&reel marking information pvccl sdn pvccl mute lin vcm agnd agnd pvccr vclamp pvccr pgndr pgndr rout bsr gain1 gain0 avcc bsl lout pgndl pgndl pam8124 xxxywwll 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 rin se_btl pam8124: product code x: internal code y: year w: week ll: internal code package configuration shipping package package type
pam8124 document number: ds36627 rev. 1 - 2 14 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated package outline dimensions (all dimensions in mm.) package: tssop-24-ep
pam8124 document number: ds36627 rev. 1 - 2 15 of 15 www.diodes.com october 2013 ? diodes incorporated pam8124 new product a product line o f diodes incorporated important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability w hatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical com ponents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2013, diodes incorporated www.diodes.com

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