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  specifications of any and all sanyo semiconductor co.,ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' s products or equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. the products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage conditi on (temperature, operation time etc.) prior to the intended use. if there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. d0512nk 20090226-s00009 /31109 ms / d1008 ms pc no.a1374-1/15 la4815vh overview the la4815vh incorporates a 1-channel power amplifier with a wide operating supply voltage range built into a surface-mounted package. this ic also has a mute functio n and requires only a few ex ternal components, making it suitable for low-cost set design. applications intercoms, door phones, transceivers, radios, to ys, home appliances with voice guidance, etc. features ? built-in 1-channel power amplifier output power 1 = 1.84w typ. (v cc = 12v, r l = 8 , thd = 10%) output power 2 = 1.55w typ. (v cc = 9v, r l = 4 , thd = 10%) output power 3 = 0.36w typ. (v cc = 6v, r l = 8 , thd = 10%) output power 4 = 0.23w typ. (v cc = 5v, r l = 8 , thd = 10%) ? mute function ? selectable voltage gain : 2 types 26db/40db * gain values between 26 and 40db can also be set by adding external components (two resistors). ? only a few external components 4 components/total ? wide supply voltage range 4 to 16v monolithic linear ic monaural power amplifier orderin g numbe r : ena1374b
la4815vh no.a1374-2/15 specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum power supply voltage v cc max 18 v allowable power dissipation pd max * mounted on the board 1.5 w operating temperature topr -30 to +75 c storage temperature tstg -40 to +150 c * mounted on sanyo evaluation board : double-sided board with dimensions of 50mm 50mm 1.6mm (glass epoxy) operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended power supply voltage v cc 12 v recommended load resistance r l 4 to 32 allowable operating supply voltage range v cc op 4 to 16 v * the supply voltage level to be used must be determined with due consideration given to the allowable power dissipation of the ic. electrical characteristics at ta = 25 c, v cc = 12v, r l = 8 , fin = 1khz parameter symbol conditions ratings unit min typ max quiescent current drain-1 i ccop 1 no signal 5.3 9.5 ma quiescent current drain-2 i ccop 2 no signal, pin 3 = low 2.4 ma maximum output power-1 pomax1 thd = 10% 1.2 1.84 w maximum output power-2 pomax2 thd = 10%, v cc = 9v, r l = 4 1.55 w voltage gain-1 vg1 v in = -30dbv 23.9 25.9 27.9 db voltage gain-2 vg2 v in = -40dbv, pin 4/pin11 = gnd 37 39.5 42 db total harmonic distortion thd v in = -30dbv 0.125 0.7 % mute attenuation mt v in = -10dbv, pin 3 = low -90 -115 dbv output noise voltage v n out rg = 620 , 20 to 20khz 40 100 vrms ripple rejection ratio svrr rg = 620 , fr = 100hz, vr = -20dbv 44 db mute control voltage-low v3cntl mute mode 0.3 v mute control voltage-high1 v3cnth1 mute released, v cc = 6.5v or lower 1.8 v mute control voltage-high2 v3cnth2 mute released, v cc = 6.5v or higher 2.4 v input resistance ri 100 k
la4815vh no.a1374-3/15 package dimensions unit : mm (typ) 3313 evaluation board 1. double-sided circuit board dimensions : 50mm 50mm 1.6mm top layer (top view) bottom layer (top view) sanyo : hssop14(225mil) 6.5 6.4 4.4 0.22 0.65 1.3 (2.35) 1.5 17 8 14 0.1 1.5max (1.3) 0.5 0.15 pd max ? ta ambient temperature, ta ? c allowable power dissipation, pd max ? w 0 1.5 1.0 0.90 0.21 0.35 0.5 2.0 ? 30 ? 20 75 20 40 60 80 0 100 sanyo evaluation board (double-sided), 50 50 1.6mm 3 (glass epoxy) independent ic
la4815vh no.a1374-4/15 block diagram and sample application circuit test circuit 1 14 2 13 3 12 4 11 5 10 6 9 7 8 + mute radiator fin v cc vin speaker (8 ) gnd1 pgnd in vbias nc nc nc nc nc nc pre- amp power amp mute cin = 1 f cosc = 0.1 f + cout = 220 f from cpu cv cc = 10 f out v cc v cc gain2 gain1 bias + - vin 8 r l 620 nc nc nc nc nc nc v cc mute gain2 in out pgnd gnd1 gain1 1 14 2 13 3 12 4 11 5 10 6 9 7 8 + + s1 s11 s2 s3 v out 1 f 0.1 f 220 f 10 f 0.1 f v cc 0.3v
la4815vh no.a1374-5/15 pin functions pin no. pin name pin voltage description equivalent circuit v cc = 12v 11 gain1 0.35 gain switching pin. ? 26db mode when left open. ? 40db mode when connected to ground. (both pins 11 and 4 must be reconfigured at the same time.) 11 v cc gnd 500 122 10k bias 12 gnd1 0 preamplifier system ground pin. 13 in 1.7 input pin. + - 100k vbias pre-amp 13 v cc 14 pgnd 0 power amplifier ground pin. 1 out 5.9 power amplifier output pin. pre-amp 1 v cc v cc gnd 10k 2 v cc 12 power supply pin. 3 mute 4.9 mute control pin. ? mute on ? low ? mute off ? high 3 v cc gnd v cc 4 gain2 0.35 gain switching pin. ? 26db mode when left open. ? 40db mode when connected to ground. (both pins 11 and 4 must be reconfigured at the same time.) 4 v cc gnd out 500 125 10k
la4815vh no.a1374-6/15 notes on using the ic 1. voltage gain settings (pins 4 and 11) the voltage gain of the power amplifier is fixed by the internal resistors. ? pins 4 and 11 be left open : approximately 26db ? pins 4 and 11 connected to gnd : approximately 39.5db note that the voltage gain can be changed using two resistors. (see fig. 1) ? voltage gain setting : according to the resistor connected between pin 4 and pin 12 (gnd1) * voltage gain = 20log (20 (625 + rvg1)/(125 + rvg1)) ? output dc voltage setting : according to the resistor connected between pin 11 and pin 12 (gnd1) * rvg1 = rvg2 must be satisfied. in addition, the voltage gain can also be lowered to appr oximately 20db (when using 5v or 6v power supply) by an application such as shown in fig. 2 below. ? voltage gain setting : according to the resistor connected between pin 4 and pin 1 (out) * voltage gain = 20log (20 (125 + rvg3)/(10,125 + rvg3)) ? output dc voltage setting : according to the resistor connected between pin 11 and pin 2 (v cc ) * set the resistor values so that the pin 5 (out) dc voltage is approximately half the supply voltage. example : when rvg3 = 10k ? , rvg4 = 22k ? (when v cc = 6v) however, note that using this method to greatly lower the voltage gain deteriorates the characteristics, so the voltage gain should be lowered only to approximately 20db. in addition, when using a high supply voltage (7v or more), the clipped waveform may invert, so this voltage gain reduction method must not be used in these cases. figure 1 figure 2 2. signal source impedance : rg as mentioned above, since the input coupling capacitor ci n affects the ripple rejec tion ratio, the signal source impedance value rg, which is associated w ith this capacitor, also affects the ripple rejection ratio, so rg should be as small as possible. therefore, when attenuat ing the signal at the cin front end as shown in fig. 4, the constants should be set in consideration of these characteristics. using th e smallest resistor rg1 va lue possible is recommended. in addition, when setting the signal level, the voltage gain should be set on the la4815vh side and the input front-end should be configured using only the input coupling capacitor, cin, as shown in fig. 5 in order to maximize the ripple rejection ratio. figure 4 figure 3 figure 5 la4815vh rvg2 rvg1 gain2 out v cc gnd1 gain1 la4815vh rvg4 rvg3 gain2 out v cc gnd1 gain1 1 2 4 12 11 1 2 4 12 11 vbias 100k + - pre-amp rg2 cin rg1 rg other ic ro la4815vh cin other ic ro la4815vh cin in out in 13 13 out in 13
la4815vh no.a1374-7/15 3. mute control pin (pin 3) the internal power amplifier circuit can be disabled and audio mute is turned on by controlling the voltage applied to pin 3. control can be performed directly using the cpu output port, but digital noise from the cpu may worsen the la4815vh noise floor. therefore, inserting a series resistor, rm1 (1 to 2.2k ) as shown in fig. 6, is recommended. ? mute on : low ? mute off : high or open in addition, the pin 3 dc voltage is dependent on the su pply voltage, so a reverse current flows to the cpu power supply line when the pin 3 voltage is higher than the cpu su pply voltage. in these cases, connect a resistor, rm2 (see fig. 7) between pin 3 and gnd to lower the pin 3 dc voltage as shown in fig. 6. note that when not using the mute function, pin 3 must be left open. figure 6 reverse current prevention resistor value : rm2 (reference value) when v3 is set to approximately 2.5v figure 7 4. mute control timing when performing mute control, exercise control at the timing shown in fig. 8. during power-on : twu = 0 to 50ms * pins 2 and 3 can also rise simultaneously. during power-off : twd = 100 to 200ms figure 8 pin 2 (v cc ) pin 3 (mute) twd twu rm2 ? v cc 10 100 7 5 3 2 7 5 3 2 1000 61012141618 820 impedance, rm2 ? k supply voltage, v cc ?v rm1 rm2 v dd v ss cpu i/o port la4815vh gnd v cc 3 * for reverse current prevention
la4815vh no.a1374-8/15 5. popping noise reduction during power-off the power supply line can be directly controlled on and off without using the mute function. however, when using a high supply voltage, the shock noise and aftersound during power-off tends to worsen. one method of coping with this is to connect a capacitor between pin 2 (v cc ) and pin 3 (mute) so that the auto mute function operates during power-off. recommended value = 1 f figure 9 6. input coupling capacitor (cin) cin is an input coupling capacitor, and is used for dc cutting. however, this capacitor is also used to improve the ripple rejection ratio, which changes according to the capacitance value (recommended value = 1 f). in addition, this capacitor also affects the transient respon se characteristics during power-on and wh en mute is canceled, so the constant should be set in considerati on of these characteristics. design reference value = approximately 0.33 to 3.3 f ? ripple rejection ratio : increasing the capacitance value in creases the rate, and reducing the value reduces the rate. ? rise response speed : increasing the capacitance valu e reduces the speed, and reducing the value increases the speed. ? popping noise : increasing the capac itance value reduces the noise, and reduc ing the value increases the noise. 7. output coupling capacitor (cout) cout is an output coupling capacitor used for dc cutting. however, this capacitor, cout, in combination with load impedance rl forms a high-pass filter and attenuates the low frequency signals. take into account the cutoff frequency when determining the capacitance value. in addition, norma lly a chemical capacitor is used for this capacitor, but the capacitance value of chemical capacitors d ecreases at low temperatures, so the va lue should be set in accordance with this characteristic. the cutoff frequency is expressed by the following formula. fc = 1/(2 r l cout) 8. output phase compen sation capacitor (cosc) the cosc capacitor is used to prevent output oscillation. use a ceramic capacitor (recommended value = 0.1 f) with good high frequency char acteristics, and locate this capacitor as close to the ic as possible. 9. power supply capacitor (cv cc ) the cv cc capacitor is used to suppress the ri pple component of the power supply line. normally a chemical capacitor (recommended value = 10 f) is used for this capacitor. however, ch emical capacitors have poor high frequency characteristics, so when using a cpu, ds p or other ic that generates digital noise in the set, it is recommended that a power supply bypass capacitor (ceramic cap acitor, recommended value = approximately 0.1 f) be added to reject high-frequency components. locate this bypass capacitor as close to the ic as possible. 10. nc pin treatment since the nc pins (pins 5 to 10) are co nnected to nothing internally, they may be left open. to increase the heat dissipation efficiency, however, it is recommended that the nc pins should be connected to the gnd line. + + cmt 1 f cv cc la4815vh v cc mute 2 3
la4815vh no.a1374-9/15 11. signal mixing methods the following methods can be used to mix a beep, key tone or other signal into the audio signal. note that when input to pin 4 is selected, amplification of signals input from pin 4 changes according to impedance z4 connected to pin 13. 11-1. mixing method using resistors in the pin 13 input front end figure 10 11-2. method using input to pin 4 ? first signal system (signal-1) voltage gain : vg1 vg1 = 20log (vout/vin1) = 20log (4 (125 + z4) (500 + (125 z4/(125 + z4)))/(25 z4)) * z4 = r1 + ro ? second signal system (signal-2) voltage gain : vg2 vg2 = 20log (vout/vin2) = 20log (10000/(125 + r1)) * fc2 = 1/(2 cin2 (r1 + 125)) figure 11 12. short-circuit between pins turning on the power supply with some pins short-circuited may cause deterioration or breakdown. therefore, when mounting the ic on a board, check to make sure that no short-circuit is formed between pins by solder or other foreign substances before turning on the power supply. 13. load short circuit leaving the ic for a long time in the condition with a lo ad short circuit may cause deterioration or breakdown. therefore, never short-circuit the load. 14. maximum ratings when used under conditions near the maximum ratings, even a slight fluctuation in the conditions may cause the maximum ratings to be exceeded, possibly resulting in a br eakdown or other accidents. therefore, always provide enough margin for fluctuations in the supply voltage and other conditions, an d use within a range not exceeding the maximum ratings. vbias 100k + - + - pre-amp rg2 rg1 signal-2 signal-1 other ic ro r1 vin2 ro la4815vh cin cin2 vin1 vout + 125 10k pwr - amp 500 out out1 out2 in gain2 13 4 1 vbias 100k + - pre-amp rg2 rg1 signal-2 signal-1 other ic ro rg3 vout2 vout1 ro la4815vh cin vin in out1 out2 13 pin 13 input impedance : zin = 100k
la4815vh no.a1374-10/15 general characteristics (1) 5 7 0.1 1 10 2 3 5 7 2 3 2 3 5 7 5 5 7 2 3 5 7 2 3 2 3 5 7 1 0.1 10 5 0.01 3 257 3 23 2 57 0.1 1 0.1 1 23 57 23 23 57 5 ? 30 20 45 ? 50 0 0.01 0.1 2 3 57 2 3 57 2 3 57 2 3 57 1k 10k 100k 0.01 0.1 2 3 5 7 2 3 5 7 2 3 5 7 2 3 5 7 1 1 10 0.01 2 3 5 7 2 3 5 7 2 3 5 7 1 0.1 10 0.01 23 23 57 2 3 57 0.1 1 23 57 5 output power, p o ?w total harmonic distortion, thd ? % thd ? f 0.01 0 5 10 15 20 25 30 35 40 7 0.1 2 3 5 7 1 2 3 5 7 2 3 5 10 100 23 23 57 1k 23 57 10k 23 23 57 2 3 57 1k 10k 5 frequency, f ? hz total harmonic distortion, thd ? % thd ? f vg ? f 0.01 2 3 5 7 0.1 2 3 5 7 2 3 5 7 1 10 100 5 frequency, f ? hz total harmonic distortion, thd ? % frequency, f ? hz voltage gain, vg ? db 100 1k 23 23 57 10k 5 frequency, f ? hz total harmonic distortion, thd ? % 0.01 5 thd ? p o input level, v in ? dbv output level, v out ? dbv v out ? v in thd ? p o thd ? p o thd ? f r l = 8 vg = 26db fin = 1khz r l = 16 vg = 26db fin = 1khz vg = 26db r l = 8 fin = 1khz r l = 4 vg = 26db fin = 1khz v cc = 12v r l = 8 p o = 100mw v cc = 12v r l = 16 p o = 50mw vg = 26db vg = 40db vg = 26db vg = 40db vg = 26db vg = 40db v cc = 5v v cc = 6v v cc = 9v v cc = 5v v cc = 6v v cc = 9v v cc = 12v v cc = 12v v cc = 15v v cc = 12v v cc = 15v ? 25 ? 20 ? 15 ? 10 ? 5 0 5 10 15 ? 40 ? 20 ? 30 ? 10 v cc = 6v v cc = 12v v cc = 15v v cc = 12v r l = 8 vg = 26db vg = 40db output power, p o ?w total harmonic distortion, thd ? % output power, p o ?w total harmonic distortion, thd ? % v cc = 12v r l = 4 p o = 200mw
la4815vh no.a1374-11/15 general characteristics (2) 0 0.4 0.8 1.2 1.6 2 0 0.4 0.8 1.2 1.6 2 0.01 3 257 3 23 2 57 0.1 1 0.1 1 23 57 23 23 57 5 0 5 10 369121518 1 23 57 23 57 10 100 output power, p o ?w power dissipation, pd ? w 0 0.25 0.5 0.75 1 35 40 50 55 60 65 45 70 0.01 23 23 57 2 3 57 0.1 1 2 3 57 2 3 57 2 3 2 3 57 5 output power, p o ?w power dissipation, pd ? w svrr ? cin 20 1 2 3 4 0.1 2 3 5 7 2 3 5 7 1 40 45 50 55 25 30 35 60 0.1 2 3 57 2 3 57 1 23 57 10 23 57 100 23 57 23 57 1k 10 capacitance, cin ? f supply voltage ripple rejection, svrr ? db svrr ? rg p o max ? r l 20 25 35 30 40 45 50 55 60 1 10k impeadance, rg ? supply voltage ripple rejection, svrr ? db load impeadance, r l ? max. output power, p o max ? w 10 100 1k 10k 5 input frequency, fin ? hz supply voltage ripple rejection, svrr ? db 0.01 5 output power, p o ?w power dissipation, pd ? w pd ? p o supply voltage, v cc ?v max. output power, p o max ? w 0 0.5 0.1 0.2 0.3 0.4 supply current, i ccop ?a 0 0.4 0.1 0.2 0.3 supply current, i ccop ?a 0 0.5 0.1 0.2 0.3 0.4 supply current, i ccop ?a p o max ? v cc pd ? p o pd ? p o svrr ? fin r l = 8 vg = 26db fin = 1khz vg = 26db thd = 10% r l = 4 vg = 26db fin = 1khz r l = 16 vg = 26db fin = 1khz vg = 26db vg = 40db r l = 4 r l = 8 r l = 16 v cc = 6v (pd) v cc = 6v (pd) v cc = 9v (pd) v cc = 15v (pd) v cc = 15v (pd) v cc = 12v (pd) v cc = 12v (pd) v cc = 12v (pd) v cc = 12v r l = 8 rg = 620 vr = -20dbv cin = 1 f v cc = 12v r l = 8 vr = -20dbv fr = 100hz cin = 1 f v cc = 12v vg = 26db thd = 10% v cc = 12v r l = 8 vr = -20dbv fr = 100hz rg = 620 vg = 26db vg = 40db vg = 40db vg = 26db i ccop i ccop i ccop
la4815vh no.a1374-12/15 general characteristics (3) 0 0.5 1 1.5 2 ? 140 ? 120 ? 100 ? 80 ? 60 ? 40 ? 20 0 4810 612141618 supply voltage, v cc ?v control voltage, v3cont ? v 0 2 4 6 8 10 0 1 2 3 4 5 6 7 0246810121416 24681012 16 14 18 supply voltage, v cc ?v pin voltage, vpin ? v vmute ? v cc ? 130 ? 110 ? 115 ? 120 ? 125 ? 115 ? 120 ? 125 48 610121416 2357 0.1 23 57 1k 2 3 57 2 3 57 10k 18 supply voltage, v cc ?v muting level, vmute ? dbv vmute ? fin ? 130 ? 110 0.01 100k input frequency, fin ? hz muting level, vmute ? dbv 018 supply voltage, v cc ?v supply current, i cco ?ma ? 30 ? 25 ? 20 ? 15 ? 10 ? 50 input level, v in ? dbv muting level, vmute ? dbv v3cont ? v cc vmute ? v in vpin ? v cc i cco ? v cc v cc = 12v r l = 8 vg = 26db v in = -10dbv pin 1 (26db) pin 1 (40db) pin 3 r l = 8 rg = 620 din audio vg = 26db vg = 40db v no ? v cc 0 50 100 150 200 48 6 1012141618 supply voltage, v cc ?v noise voltage, v no ? vrms r l = 8 vg = 26db v in = -20dbv v cc = 12v r l = 8 r l = 8 vg = 26db v in = -10dbv fin = 1khz vg = 26db vg = 40db r l = open rg = 0 mute-off mute-on
la4815vh no.a1374-13/15 temperature characteristics (1) 0.01 2 3 5 7 2 3 5 7 2 3 5 7 0.1 1 10 0.01 2 3 5 7 2 3 5 7 2 3 5 7 0.1 1 10 ? 50 ? 25 0 25 50 75 ? 25 0 25 50 75 100 ambient temperature, ta ? c output power, p o ?w 0.01 2 0.1 3 5 7 2 1 3 5 7 2 3 5 7 10 20 30 40 50 10 0 60 ? 50 ? 25 50 075 25 ? 25 50 075 25 100 ambient temperature, ta ? c output power, p o ?w v no ? ta 0 10 20 30 40 50 60 ? 50 ? 25 0 50 75 25 0 ? 25 50 75 25 100 ambient temperature, ta ? c noise voltage, v no ? vrms v3 ? ta 0 1 2 3 4 5 6 ? 50 100 ambient temperature, ta ? c pin 3 voltage, v3 ? v ? 50 100 ambient temperature, ta ? c voltage gain, vg ? db ? 50 100 ambient temperature, ta ? c output power, p o ?w p o ? ta p o ? ta p o ? ta vg ? ta v cc = 12v r l = open rg = 0 r l = 8 vg = 26db fin = 1khz thd = 10% r l = 16 vg = 26db fin = 1khz thd = 10% r l = 4 vg = 26db fin = 1khz thd = 10% v cc = 12v r l = 8 v cc = 12v r l = 8 rg = 620 din audio vg = 26db vg = 40db v cc = 12v v cc = 12v v cc = 15v v cc = 12v v cc = 15v v cc = 6v v cc = 5v v cc = 6v v cc = 9v v cc = 5v thd ? p o 5 7 0.1 2 3 2 3 5 7 1 2 3 5 7 10 5 0.01 3 23 2 57 0.1 3 257 1 23 2 3 57 0.1 23 57 1 5 output power, p o ?w total harmonic distortion, thd ? % thd ? p o 5 2 3 5 7 7 0.1 2 3 1 2 3 5 7 10 5 0.01 5 output power, p o ?w total harmonic distortion, thd ? % v cc = 12v r l = 8 vg = 26db fin =1khz v cc = 9v r l = 4 vg = 26db fin =1khz ta = -25 c ta = 25 c ta = 75 c ta = -25 c ta = 25 c ta = 75 c
la4815vh no.a1374-14/15 temperature characteristics (2) muting on and off transient characteristics v cc = 6v r l = 8 cin = 1 f 200ms/div out : 200mv/div, ac pin 7 : 2v/div, dc v cc = 12v r l = 8 cin = 1 f 200ms/div out : 200mv/div, ac pin 7 : 2v/div, dc v cc = 6v r l = 8 cin = 2.2 f 200ms/div out : 200mv/div, ac pin 7 : 2v/div, dc v cc = 12v r l = 8 cin = 2.2 f 200ms/div out : 200mv/div, ac pin 7 : 2v/div, dc 0 0.5 1 1.5 2 2.5 0 1 2 3 4 5 6 7 46810121416 246810121416 18 supply voltage, v cc ?v control voltage, v3cont ? v 018 supply voltage, v cc ?v supply current, i cco ?ma v3cont ? v cc i cco ? v cc r l = open rg = 0 r l = 8 vg = 26db fin = 1khz v in = -30dbv ta = -25 c ta = 25 c ta = 75 c ta = -25 c ta = 25 c ta = 75 c
la4815vh ps no.a1374-15/15 this catalog provides information as of december, 2012. specifications and inform ation herein are subject to change without notice. sanyo semiconductor co.,ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. regarding monolithic semiconductors, if you should intend to use this ic continuously under high temperature, high current, high voltage, or drastic temperature change, even if it is used within the range of absolute maximum ratings or operating conditions, there is a possibility of decrease reliability. please contact us for a confirmation. sanyo semiconductor co.,ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. it is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor co.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equ ipment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above.


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