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60911 sy/81810 sy / 60110 sy 20100528-s0000 2/41610 sy / 52009 ms no.a1468-1/15 http://onsemi.com semiconductor components industries, llc, 2013 may, 2013 LV49821VH overview the LV49821VH incorporates a 2-channel power circuit amplif ier capable of low-voltage operation (2.7v and up). it has a function for switching the headphone driver and also has a standby function to reduce the current drain. it is a power amplifier ic optimal for driving the speakers used in portable equipment and low power output equipment. use ? portable dvd-player, note pc, portable tv, lcd monitor, active speaker, and more. features ? 2-cannels btl power amplifier built- in: standard output power = 1.4w (v cc = 5v, r l = 8 , thd = 10%) output coupling capacitor is unnecessary because of differential output type. ? standby function built-in: standard standby current = 0.01 a (v cc = 5v) ? second amplifier stop control function built-in: headphone driver switch (for btl/se switch) audio mute (only btl power amplifier path) ? supports beep signal input ? thermal protection circuit built-in ? operation at low voltage possible: v cc = 2.7v to 5.5v ? gain setting possible: btl voltage gain = 0 to 26db specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage vcc max 6v allowable power dissipation pd max mounted on a specified board.* 1.5 w maximum junction temperature tj max 150 c operating temperature topr -30 to +75 c strage temperature tstg -40 to +150 c * specified board (our company evaluation board): 70mm 70mm 1.6mm, glass epoxy both side. orderin g numbe r : ena1468d bi-cmos ic for portable electronic device use 1.4w 2ch btl power amplifier stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LV49821VH no.a1468-2/15 operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 5v recommended load resistance r l 4 to 32 operation supply voltage range v cc op1 r l = 8 or more 2.7 to 5.5 v v cc op2 r l = 4 or 6 2.7 to 3.7 v note : please determine supply voltage used with due consideration of allowable power dissipation. electrical characteristics at ta = 25 c, v cc = 5v, fin = 1khz, r l = 8 , v2 = high, v6 = low parameter symbol conditions ratings unit min typ max quiescent current i cco p1 no signal, r l = 7.1 13 ma i cco p2 no signal, r l = ,v6 = high (2nd amplifier stop) 4.0 ma standby current i stby no signal, r l = ,v2 = low (standby mode) 0.01 10 a maximum output power p o max thd = 10% 0.91 1.4 w voltage gain v g vin = -25dbv 17.6 19.1 20.6 db voltage gain difference v gr 0 26 db channel balance chb vin = -25dbv -1.5 0 +1.5 db total harmonic distortion thd vin = -25dbv 0.3 1 % output noise voltage v no rg = 620 , 20 to 20khz 35 100 vrms channel separation chsep vout = -25dbv, 20 to 20khz 50 60 db output offset voltage v dc os rg = 620 -30 +30 mv muting attenuation level mute1 vin = 0dbv, v2 = low (standby mode) -110 dbv mute2 vin = -10dbv,v6 = high (2nd amplifier stop) -85 dbv ripple rejection ratio svrr rg = 620 , fr = 100hz, vr = -20dbv 35 db reference voltage (pin 4) vref 2.5 v high level control voltage (pin 2) v stb h power amplifier operation mode 1.6 v cc v low level control voltage (pin 2) v stb l power amplifier standby mode 0 0.3 v high level control voltage (pin 6) v 2cnt h 2nd amplifier standby mode (se mode) 4v cc /5 v cc v low level control voltage (pin 6) v 2cnt h 2nd amplifier operation mode (btl mode) 0 v cc /2 v package dimensions unit : mm (typ) 3377 sanyo : hssop13(225mil) 5.2 1.5 1.3 4.4 0.1 6.4 0.5 1 13 2 0.22 0.65 0.15 (0.33) 1.5 max (1.3) -30 0 20 40 60 80 100 0 1.6 1.2 0.8 0.4 pd max -- ta -20 0.3 1.5 ambient temperature, ta -- c allowable power dissipation, pd max -- w independent ic with specified board specified board: 70 70 1.6mm 3 glass epoxy both side 0.9 0.18
LV49821VH no.a1468-3/15 block diagram 1 2 3 4 5 6 7 8 13 12 11 10 9 rariator fin out1-1 out1-2 pwr-gnd v cc out2-2 out2-1 tsd 1st-amp 2st-amp 2st-amp 1st-amp bias control in1 stby beep vref pre-gnd a2cnt nc in2 2nd-amp control v cc test circuit 1 2 3 4 5 6 7 8 13 12 11 10 9 rariator fin 8 100k 0.1 f 22k 620 vin1 1.55v 0.35v 620 vin3 47nf 1 f 100k 8 22k 620 vin2 0.1 f 2.2 f 0.1 f v cc gnd pwr-gnd pre-gnd v cc + 120k 330k 100k 100k stby pwr se btl
LV49821VH no.a1468-4/15 evaluation board circuit 1 2 3 4 5 6 7 8 13 12 11 10 9 rariator fin 22nf pwr stby v cc gnd pwr-gnd pre-gnd v cc + out1-1 out1-2 out2-2 out2-1 se1 se2 + + se btl from v cc a2cnt in2 use no use in1 stby in3 from v cc (beep in) evaluation board layout (70mm 70mm 1.6mm) top layer bottom layer
LV49821VH no.a1468-5/15 application circuit example 1 (btl/se switching function use) 1 2 3 4 5 6 7 8 13 12 11 10 9 rariator fin v cc pwr-gnd pre-gnd v cc + vin2 vin1 from cpu c4 10nf from cpu + speaker + speaker application circuit example 2 (only btl function use) 1 2 3 4 5 6 7 8 13 12 11 10 9 rariator fin r4 100k r3 22k c2 0.1 f c7 2.2 f c8 0.1 f v cc pwr-gnd pre-gnd v cc + vin2 vin1 from cpu r2 100k r1 22k c1 0.1 f r5 10k c3 1 f speaker speaker
LV49821VH no.a1468-6/15 pin function pin no. pin name pin voltage v cc =5v function equivalent circuit 1 8 in1 in2 2.5v 2.5v power amplifier input pin (1ch). power amplifier input pin (2ch). 1 8 vref2 v cc gnd v cc 2 stby external apply standby control pin. ? standby mode (0 to 0.3v) ? operation mode (1.6v to v cc ) 2 bias v cc gnd v cc 30k 100k 3 4 beep vref 2.5v 2.5v beep signal input pin. reference voltage pin. v cc gnd v cc 50k 100k 3 4 vref2 vref 450k 100k 5 pre-gnd 0v pre-stage block ground pin 6 a2cnt external apply 2nd amplifier stop control pin. 6 v cc gnd v cc 100k 50k 7 nc ? unused pin. 9 13 out2-1 out1-1 2.5v 2.5v btl 1st output pin (2ch). btl 1st output pin (1ch). 9 v cc 13 30k 15k v cc gnd vref2 10 12 out2-2 out1-2 2.5v 2.5v btl 2nd output pin (2ch). btl 2nd output pin (1ch). 10 v cc 12 v cc gnd vref 11 v cc external apply power supply pin. fin pwr-gnd 0v power system ground pin, radiation fin.
LV49821VH no.a1468-7/15 usage note 1. input coupling capacitor (c1 and c2) c1 and c2 are input coupling capacitors that are used to cut the dc componen t. the input coupling capacitors c1, c2 and the input resistors r1 and r3 make up the high-pass filter, attenuating the bass frequency. therefore, the capacitance value must be selected with due consideration of the cut-off frequency. the cut-off frequencies are expressed by the following formulas. 1ch ? fc1 = 1/(2 c1 r1) 2ch ? fc2 = 1/(2 c2 r3) this capacitor affects the pop sound at startup. note with care that increas ing the capacitance value lengthens the charging time of the capacitor, which will make the pop sound louder. 2. btl voltage gain the voltage gain of the first amplifier is determined by the ratio between the resistors r1 and r2 (r3 and r4). 1ch ? vg1 = 20 log(r2/r1) ?unit: db 2ch ? vg2 = 20 log(r4/r3) ? unit: db therefore, the btl voltage gain is expressed by the following formulas. 1ch ? vgbtl1 = 6 + 20 log(r2/r1) ? unit: db 2ch ? vgbtl2 = 6 + 20 log(r4/r3) ? unit: db the btl voltage gain must be set in the range of 0 to 26 db. 3. beep signal input pin (pin 3) this pin is connected to the non-inverting input block of the first amplifier of the btl amplifier, and is biased internally by a 50k resistor. the input coupling capacitor c4 and the bias resistor make up a high-pass filter that attenuates bass band signals, so when determining the c4 capacitance value, the value must be set with due consideration of the cut-off frequency. the cut-of f frequency is expressed by the following formula. fc3 = 1/(2 c4 50000) in addition, when input from pin 3, the btl volta ge gain is expressed by the following formulas. 1ch ? vgbtl1 = 6 + 20 log(1+r2/(r1 + ro)) ? unit: db 2ch ? vgbtl2 = 6 + 20 log(1+r4/(r3 + ro)) ? unit: db when setting the signal level, the signal should be attenuated and input as shown in fig.1. when not using this input pin, connect it to pin 4 as shown in application circuit example-2. 1 out other ic c1 ro r1 13 r2 3 4 c4 c3 LV49821VH vref beep signal in fig.1 4. pin 4 capacitor (c3) this capacitor is a ripple filter capacitor. the internal resistors (100k + 450k ) and c3 make up a low-pass filter that is used to reduce the power supply ripple component and increase the ripple rejection ratio. note that inside the ic, the rising-transient-response-characte ristic of the pin 4 voltage (reference voltage) is used to activate the automatic pop sound reduction circuit. therefore, when reducing th e c3 capacitance value to increase the voltage rise speed, the design should take into account that the pop sound increases during voltage rise. 5. power supply line capacitor (c7and c8) the bypass capacitor c8 is used to remove the high fre quency component that cannot be eliminated by the power supply capacitor c7 (chemical capacitor) . place the bypass capacitor c8 as near to the ic as possible, and use a ceramic capacitor with good high frequency characteristics. when using a stabilized power supp ly, these capacitors can also be combined into a single 2.2 f ceramic capacitor. note that when the power supply line is relatively unstabl e, the power supply capacitor c7 capacitance value must be increased.
LV49821VH no.a1468-8/15 6. standby pin (pin 2) by controlling the standby pin, the mode changeover can be made between standby and operation modes. direct control is possible using the cpu output port , but inserting a series resistor r5 (1 k ? or more) is recommended in case the pin is affected by digital noise from the cpu. standby mode ? v2 = 0v to 0.3v operating mode?v2 = 1.6v to v cc in addition, when not using standby mode, this pin can also be used interlocked with the power supply as shown in fig. 2. the series resistor r5 can be eliminated, but the current i2 expressed by the following formula flows through the standby pin, so this should be taken into account in the design. pin 2 inflow current (unit: a): i2 = 7 10 -6 + (v cc ? 0.7) / (r5 + 30000) 2 r5 11 v cc stby v cc fig.2 7. pin 6 control (2nd amplifier stop control function) pin 6 performs on/off control for the btl amplifier?s seco nd amplifier operation. this function enables switching between speaker drive (btl output system) and headphone drive (single end output system). the control comparator is connected to this pin, and this threshold voltage is generated by resistance division from the supply voltage. for this reason, care should be taken, as the threshold value varies according to the supply volta ge. when switching using a headphone jack switch, the connection method shown in application circuit example-1 is recommended. comparator threshold value: vth = v cc 2/3 in addition, when controlling this pin with the cpu (btl amplifier mute function), care should be taken for the relationship between the supply voltage used by the cpu and the supply voltage used by the power amplifier ic. when the supply voltage used by the power amplifier ic is higher, open/low format control as shown in fig.3 and fig.4 is recommended. in addition, there is also a control method th at uses three resistors as shown in fig.5. the recommended ratio between the resistance values of these three resistors is as follows. rc1, rc2, rc3 resistance ratio ? rc1 : rc2 : rc3 = 1 : 1 : 3 cpu LV49821VH v ss i/o port 6 11 v cc a2cnt v cc cpu LV49821VH v ss i/o port v dd 6 11 v cc a2cnt v cc rc2 rc3 cpu LV49821VH v ss i/o port v dd 6 11 v cc a2cnt v cc rc1 figure 3 figure 4 figure 5 8. headphone drive when also using the btl amplifier?s first amplifier as the headphone amplifier, it is recommended to adjust the level by inserting series resistors r6 and r8 to the sign al line as shown in application circuit example-1. note that this series resistor, the headphone load resistan ce and the output coupling capac itors c5 and c6 make up a high-pass filter, so this should be taken into account in the design. the cut-off frequencies are expressed by the following formulas. 1ch ? fc1 = 1 / (2 c5 (r6 + r l )) 2ch ? fc2 = 1 / (2 c6 (r8 + r l )) 9. load capacitance when connecting a capacitor between the output pin and ground to suppress electromagnetic radiation or other purposes, the effects of this capacitor may cause the po wer amplifier phase margin to be reduced, resulting in oscillation. when adding this capacitor, care should be taken for the capacitance value. recommended capacitance value: 0.033 f to 0.33 f 10. thermal protection circuit the ic has a built-in thermal protection circuit that can reduce the risk of breakdown or degradation when the ic becomes abnormally hot for some reason . when the internal chip junction temperature tj rises to approximately 170 c, this protective circuit operates to cut off the power su pply to the power amplifier block and stop signal output. operation recovers automatically when the chip temperature drops to approximately 130 c. note that this circuit cannot always prevent breakdown or degradation, so sufficient care should be taken for using the ic. when the chip becomes abnormally hot, immediat ely turn off the power and determine the cause.
LV49821VH no.a1468-9/15 11. short-circuit between pins turning on the power supply with the short-circuit between te rminals leads to the deterioration and destruction of ic. when fixing the ic to the substrate, please check that the solder is not shor t-circuited between th e terminals before turning on the power. 12. load short-circuit leaving the ic in the load short-circuit for many hours leads to the deterioration and destruction of the ic. the load must not be short-circuited absolutely. 13. maximum rating when the rated value used is just belo w to the absolute maximum ratings valu e, there is a possibility to exceed the maximum rating value with slight extrusion vari able. also, it can be a destructive accident. please use within the absolute maximum ratings with sufficient variation margin of supply voltage. in addition, the package of this ic has low thermal radiati on characteristics, so secure sufficient thermal radiation by providing a copper foil land on the printed circuit board near the heat sink. when v cc = 5v and load = 8 , a ground line copper foil area of approximately 50mm 50mm is recommended.
LV49821VH no.a1468-10/15 thd -- p o thd -- p o v cc = 5v v g = 19.1db fin = 1khz v cc = 3.3v v g = 19.1db fin = 1khz 8 r l = 16 r l = 16 8 4 v cc = 5v p o = 200mw r l = 8 v g = 26db 12.5db 19.1db v cc = 5v p o = 200mw r l = 16 8 thd -- f thd -- f p o -- v cc p o -- v cc thd = 10% v g = 19.1db f = 1khz thd = 1% v g = 19.1db f = 1khz r l = 4 8 16 r l = 4 8 16 v cc = 5v p g = 19.1db fin = 1khz v cc = 5v r l = 8 cin = 0.1 f thd = 10% 1% 0.01 0.1 1 10 23 57 23 57 23 57 0.01 0.1 1 10 23 57 23 57 23 57 0.1 1 10 100 2 3 5 7 2 3 5 7 2 3 5 7 0.1 1 10 100 2 3 5 7 2 3 5 7 2 3 5 7 0.1 1 10 2 3 5 7 2 3 5 7 10 100 1k 10k 10k 23 57 23 57 23 57 23 57 0.1 1 10 2 3 5 7 2 3 5 7 10 100 1k 10k 10k 23 57 23 57 23 57 23 57 10 100 1k 10k 100k 2 3 57 2 3 57 2 3 57 2 3 57 0.1 1 10 2 3 5 7 2 3 5 7 1 10 100 23 57 23 57 0 2.0 1.0 1.5 0.5 0 2.0 1.0 1.5 0.5 2.5 3.0 3.5 4.0 4.5 5.0 5.5 2.5 3.0 3.5 4.0 4.5 5.0 5.5 4 24 20 16 12 8 p o -- r l v g -- f total harmonic distortion, thd -- % output power, p o -- w total harmonic distortion, thd -- % output power, p o -- w total harmonic distortion, thd -- % total harmonic distortion, thd -- % frequency, f -- hz frequency, f -- hz output power, p o -- w output power, p o -- w supply voltage, v cc -- v supply voltage, v cc -- v output power, p o -- w load resistance, r l -- frequency, f -- hz voltage gain, v g -- db
LV49821VH no.a1468-11/15 0 1.0 0.8 0.6 0.4 0.2 i cc -- p o pd -- p o pd -- p o pd -- p o 0 2.0 1.5 1.0 0.5 0.01 0.1 1 10 23 57 23 57 23 57 0.01 0.1 1 10 23 57 23 57 23 57 0.01 0.1 1 10 23 57 23 57 23 57 0.01 0.1 1 10 23 57 23 57 23 57 0 2.0 1.5 1.0 0.5 0 2.0 1.5 1.0 0.5 10 100 1k 10k 100k 23 57 23 57 23 57 23 57 4 10 100 1k 10k 100k 23 57 23 57 23 57 23 57 20 60 50 40 30 v no -- v cc chsep -- f mute -- vin mute -- f 3.0 2.5 3.5 4.0 4.5 5.0 5.5 6.0 -130 -80 -90 -110 -120 -100 -130 -80 -90 -110 -120 -100 -30 -40 -20 -10 0 v cc = 5v v g = 19.1db fin = 1khz r l = 8 v g = 19.1db fin = 1khz r l = 4 v g = 19.1db fin = 1khz r l = 8 16 v cc = 5v v g = 19.1db fin = 1khz r l = 8 16 v cc = 5v 4.2v 3.6v v cc = 3.6v 3v v cc = 5v r l = 8 rg = 620 v g = 19.1db v o = 1vrms r l = 8 rg = 6208 din audio filter v cc = 5v r l = 8 vin = -10dbv v g = 19.1db v cc = 5v r l = 8 fin = 1khz v g = 19.1db a2cnt (v6 = 4v) stby (v2 = 0.3v) a2cnt (v6 = 4v) stby (v2 = 0.3v) ch2 ch1 ch1 ch2 output power, p o -- w/ch current drain, i cc -- a output power, p o -- w/ch power dissipation, pd -- w output power, p o -- w/ch power dissipation, pd -- w output power, p o -- w/ch power dissipation, pd -- w supply voltage, v cc -- v noise voltage, v no -- vrms channel separation, chsep -- db frequency, f -- hz frequency, f -- hz mute attenuation level, mute -- dbv mute attenuation level, mute -- dbv input voltage, vin -- dbv
LV49821VH no.a1468-12/15 10 100 1k 10k 100k 23 57 23 57 23 57 23 57 10 0.1 1 10 23 57 23 57 svrr -- f svrr -- cref t r -- cref i cco -- v cc i stby -- v cc i cco -- v2 i cco -- v6 v cc = 5v r l = 8 rg = 620 v g = 19.1db vr = -20dbv cref = 1 f v cc = 5v r l = 8 rg = 620 v g = 19.1db vr = ? 20dbv v cc = 5v r l = 8 70 20 30 40 50 60 10 70 20 30 40 50 60 0.1 1 23 57 0.01 10 23 57 0.1 1 10 2 3 5 7 2 3 5 7 2 3 5 7 0123456 0 10 2 4 6 8 0 0.05 0.01 0.02 0.03 0.04 0123456 0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 2 4 6 8 0 10 2 4 6 8 0123456 ripple rejection ratio, svrr -- db ripple rejection ratio, svrr -- db frequency, f -- hz capacitance, cref -- f capacitance, cref -- f rise time, t r -- sec quiescent current, i cco -- ma no load no load v2 = 0.3v btl mode se mode supply voltage, v cc -- v quiescent current, i cco -- ma quiescent current, i cco -- ma no load no load stnadby current, i stby -- a 2pin voltage, v2 -- v 6pin voltage, v6 -- v supply voltage, v cc -- v
LV49821VH no.a1468-13/15 thd -- p o i cco -- v cc p o -- ta v g -- ta v no -- ta chsep -- ta mute -- ta mute -- ta ta = -40 c 85 c 25 c ta = 85 c -40 c 25 c v cc = 5v r l = 8 v g = 19.1db fin = 1khz v cc = 5v r l = 8 v g = 19.1db fin = 1khz v cc = 5v r l = 8 v g = 19.1db fin = 1khz vin = -25db btl mode thd = 10% 1% v cc = 5v r l = 8 rg = 620 v g = 19.1db v cc = 5v r l = 8 v g = 19.1db fin = 1khz v o = -25db 0.1 1 10 23 57 23 57 23 57 0.1 1 10 100 2 3 5 7 2 3 5 7 2 3 5 7 0.01 0123456 0 10 2 4 6 8 2.0 1.0 1.2 1.4 1.6 1.8 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 21 18 19 20 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 70 20 30 40 50 60 100 60 70 80 90 -80 -130 -120 -110 -100 -90 -60 -120 -110 -100 -90 -80 -70 total harmonic distortion, thd -- % output power, p o -- w quiescent current, i cco -- ma supply voltage, v cc -- v no load output power, p o -- w voltage gain, v g -- db noise voltage, v no -- vrms channel separation, chsep -- db mute attenuation level, mute -- dbv mute attenuation level, mute -- dbv ambient temperature, ta -- c ambient temperature, ta -- c ambient temperature, ta -- c ambient temperature, ta -- c ambient temperature, ta -- c ambient temperature, ta -- c v cc = 5v r l = 8 fin = 1khz v g = 19.1db v2 = 0.3v stabdby mode v cc = 5v r l = 8 fin = 1khz v g = 19.1db v6 = 4v 2nd amplifier power down mode
LV49821VH no.a1468-14/15 i cco -- ta i stby -- ta v2th -- ta v6th -- ta -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 10 0 2 4 6 8 0.0001 0.001 0.1 1 2 3 5 7 0.01 2 3 5 7 2 3 5 7 2 3 5 7 1.0 0.6 0.7 0.8 0.9 3.6 3.2 3.3 3.4 3.5 100ms/div btl out: 50mv/div, ac t -- ms 100ms/div t -- ms 10ms/div t -- ms 10ms/div t -- ms btl out: 50mv/div, ac btl out: 50mv/div, ac btl out: 50mv/div, ac quiescent current, i cco -- ma ambient temperature, ta -- c ambient temperature, ta -- c 2pin threshold voltage, v2th -- v 6pin threshold voltage, v6th -- v ambient temperature, ta -- c ambient temperature, ta -- c standby power on power on standby 4pin voltage: 2v/div 2pin voltage: 2v/div 4pin voltage: 2v/div 6pin voltage: 5v/div 6pin: high low 6pin: low high 4pin voltage: 2v/div 6pin voltage: 5v/div 4pin voltage: 2v/div 2pin voltage: 2v/div btl mode se mode
LV49821VH ps no.a1468-15/15 on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc). scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a listing of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc mak es no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability ar ising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequentia l or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s techn ical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorize d for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other appli cation in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture o fthe part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws a nd is not for resale in any manner.

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