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? semiconductor components industries, llc, 2013 july, 2013 ? rev. 3 1 publication order number: CAT5271/d CAT5271, cat5273 dual 256\position i 2 c compatible digital potentiometers (pots) the CAT5271 and cat5273 are dual 256-position digital programmable linear taper potentiometers ideally suited for replacing mechanical potentiometers and variable resistors. the wiper settings are controlled through an i 2 c-compatible digital interface. upon power-up, the wiper assumes a midscale position and may be repositioned anytime after the power is stable. the devices can be programmed to go to a shutdown state during operation. the CAT5271 and cat5273 operate from 2.7 v to 5.5 v, while consuming less than 2 a. this low operating current, combined with a small package footprint, makes them ideal for battery-powered portable applications. the CAT5271 and cat5273, designed as pin for pin replacements for the ad5243 and ad5248, are offered in the 10-lead msop package and operate over the ? 40 ? c to +85 ? c industrial temperature range. features ? dual 256-position ? end-to-end resistance: 50 k , 100 k ? i 2 c compatible interface* ? power-on preset to midscale ? single supply 2.7 v to 5.5 v ? low temperature coefficient 100 ppm/ ? c ? low power, i dd 2 a max ? wide operating temperature ? 40 ? c to +85 ? c ? msop ? 10 package (3 mm ? 4.9 mm) ? these devices are pb-free, halogen free/bfr free and are rohs compliant typical applications ? potentiometer replacement ? transducer adjustment of pressure, temperature, position, chemical, and optical sensors ? rf amplifier biasing ? gain control and offset adjustment *two address decode pins (cat5273 only) allowing multiple devices on the same bus http://onsemi.com pin connections scl a2 b2 w1 v dd w2 a1 b1 1 (top views) see detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. ordering information msop ? 10 z suffix case 846ae ancc = cat5721 ? 50 k ance = cat5721 ? 100 k pa = cat5273 ? 50 k * y = production year (last digit) m = production month (1 ? 9, o, n, d) r = revision l = assembly location xx = last two digits of assembly lot number ancc ymr marking diagrams 1 ance ymr 1 sda gnd paym lxx 1 CAT5271 scl ad1 b2 w1 v dd w2 ad0 b1 1 sda gnd cat5273 *contact factory for availability of cat5273 ? 100 k
CAT5271, cat5273 http://onsemi.com 2 wiper control sda a1 w1 scl figure 1. CAT5271 functional block diagram i 2 c interface vcc b1 gnd register 1 wiper control a2 w2 b2 register 2 figure 2. cat5273 functional block diagram wiper control sda w1 scl vcc b1 gnd ad0 ad1 register 1 wiper control w2 b2 register 2 control logic i 2 c interface table 1. pin function description CAT5271 cat5273 pin no. pin name description pin name description 1 b1 b1 terminal b1 b1 terminal 2 a1 a1 terminal ad0 device address bit 0 3 w2 w2 terminal w2 w2 terminal 4 gnd digital ground gnd digital ground 5 vdd positive power supply vdd positive power supply 6 scl serial clock input scl serial clock input 7 sda serial data input / output sda serial data input / output 8 a2 a2 terminal ad1 device address bit 1 9 b2 b2 terminal b2 b2 terminal 10 w1 w1 terminal w1 w1 terminal table 2. absolute maximum ratings (note 1) rating value unit v dd to gnd ? 0.3 to 6.5 v a1, b1, w1, a2, b2, w2 voltage to gnd v dd i max ? 20 ma digital inputs and output voltage to gnd 0 to 6.5 v operating temperature range ? 40 to +85 ? c maximum junction temperature (t jmax ) 150 ? c storage temperature ? 65 to +150 ? c lead temperature (soldering, 10 sec) 300 ? c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package , and maximum applied voltage across any two of the a, b, and w terminals at a given resistance.
CAT5271, cat5273 http://onsemi.com 3 table 3. electrical characteristics: 50 k and 100 k versions v dd = 2.7 v to 5.5 v; v a = v dd ; v b = 0 v; ?40 ? c < t a < +85 ? c; unless otherwise noted. (note 2) parameter test conditions symbol min typ (note 3) max unit dc characteristics ? rheostat mode resistor differential nonlinearity (note 4) r wb , v a = no connection (CAT5271) r ? dnl ? 1 ? 0.1 +1 lsb resistor integral nonlinearity (note 4) r wb , v a = no connection (CAT5271) r ? inl ? 2 ? 0.4 +2 lsb nominal resistor tolerance (note 5) t a = 25 ? c r ab ? 20 +20 % resistance temperature coefficient v ab = v dd , wiper = no connection r ab / t 100 ppm/ ? c wiper resistance v dd = 5 v, i w = ? 3 ma r w 50 120 v dd = 3 v, i w = ? 3 ma 100 250 dc characteristics ? potentiometer divider mode resolution n 8 bits differential nonlinearity (note 6) dnl ? 1 ? 0.1 +1 lsb integral nonlinearity (note 6) inl ? 1 ? 0.4 +1 lsb voltage divider temperature coefficient code = 0x80 v w / t 100 ppm/ ? c full-scale error code = 0xff v wfse ? 3 ? 1 0 lsb zero-scale error code = 0x00 v wzse 0 1 3 lsb resistor terminals voltage range (note 7) v a,b,w gnd v dd v capacitance (note 8) a, b f = 1 mhz, measured to gnd, code = 0 x 80 c a,b 45 pf capacitance (note 8) w f = 1 mhz, measured to gnd, code = 0 x 80 c w 60 pf common-mode leakage (note 8) v a = v b = v dd /2 i cm 1 na digital inputs input logic high v dd = 5 v v ih 0.7 x v dd v input logic low v dd = 5 v v il 0.3v dd v input logic high v dd = 3 v v ih 0.7 x v dd v input logic low v dd = 3 v v il 0.3v dd v input current v in = 0 v or 5 v i il ? 1 a power supplies power supply range v dd range 2.7 5.5 v supply current v ih = 5 v or v il = 0 v i dd 0.3 2 a power dissipation (note 8) v ih = 5 v or v il = 0 v, v dd = 5 v p diss 0.2 mw power supply sensitivity v dd = +5 v ? 10%, code = midscale pss ? 0.05 %/% dynamic characteristics (notes 8 and 10) bandwidth ?3 db r ab = 50 k / 100 k , code = 0x80 bw 100/40 khz total harmonic distortion v a =1 v rms, v b = 0 v, f = 1 khz, r ab = 10 k thd w 0.05 % v w settling time (50 k /100 k ) v a = 5 v, v b = 0 v, ? 1 lsb error band t s 2 s 2. v a applies to both a1 and a2, v b applies to both b1 and b2. 3. typical specifications represent average readings at +25 ? c and v dd = 5 v. 4. resistor position nonlinearity error r ? inl is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper positions. r ? dnl measures the relative step change from ideal between successive tap positions. parts are guaranteed monotonic. 5. CAT5271: v ab = v dd , wiper (v w ) = no connect. cat5273: v wb = v dd . 6. inl and dnl are measured at vw with the digital potentiometer configured as a potentiometer divider similar to a voltage outp ut d/a converter. v a = v dd and v b = 0 v. dnl specification limits of ? 1 lsb maximum are guaranteed monotonic operating conditions. 7. resistor terminals a, b, w have no limitations on polarity with respect to each other. 8. guaranteed by design and not subject to production test. 9. maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package, and maximum applied voltage across any two of the a, b, and w terminals at a given resistance. 10. all dynamic characteristics use v dd = 5 v.
CAT5271, cat5273 http://onsemi.com 4 table 4. capacitance t a = 25 ? c, f = 1.0 mhz, v dd = 5 v symbol test conditions max units c i/o (note 11) input/output capacitance (sda, scl) v i/o = 0 v 8 pf table 5. power up timing (notes 11 and 12) symbol parameter max units t pur power-up to read operation 1 ms t puw power-up to write operation 1 ms 11. this parameter is tested initially and after a design or process change that affects the parameter. 12. t pur and t puw are delays required from the time v cc is stable until the specified operation can be initiated. table 6. digital potentiometer timing symbol parameter min max units t wrpo wiper response time after power supply stable 50 s t wr wiper response time: scl falling edge after last bit of wiper position data byte to wiper change 20 s table 7. a.c. characteristics v dd = +2.7 v to +5.5 v, ? 40 ? c to +85 ? c unless otherwise specified. symbol parameter min typ max units f scl clock frequency 400 khz t high clock high period 600 ns t low clock low period 1300 ns t su:sta start condition setup time (for a repeated start condition) 600 ns t hd:sta start condition hold time 600 ns t su:dat data in setup time 100 ns t hd:dat data in hold time 0 ns t su:sto stop condition setup time 600 ns t buf time the bus must be free before a new transmission can start 1300 ns t r sda and scl rise time 300 ns t f sda and scl fall time 300 ns t dh data out hold time 100 ns t i noise suppression time constant at scl, sda inputs 50 ns t aa scl low to sda data out and ack out 1 s
CAT5271, cat5273 http://onsemi.com 5 typical characteristics figure 3. potentiometer divider differential non-linearity, v dd = 5.6 v figure 4. potentiometer divider integral non-linearity, v dd = 5.6 v tap tap 256 224 160 128 96 64 32 0 ? 0.05 ? 0.04 ? 0.03 ? 0.02 ? 0.01 0.01 0.02 0.03 224 192 160 128 96 64 32 0 ? 0.5 ? 0.4 ? 0.3 ? 0.2 ? 0.1 0 0.1 error (lsb) error (lsb) 0 192 dnl inl 256 figure 5. rheostat differential non-linearity, v dd = 5.6 v figure 6. rheostat integral non-linearity, v dd = 5.6 v tap tap 256 224 160 128 96 64 32 0 ? 0.04 ? 0.02 0 0.02 0.06 0.08 0.10 224 192 160 128 96 64 32 0 ? 0.04 ? 0.02 0.02 0.06 0.10 0.14 0.16 error (lsb) error (lsb) 0.04 192 256 v dd = 2.6 v 3.3 v 5.6 v 4.0 v figure 7. wiper resistance at room temperature figure 8. wiper voltage tap tap 250 200 150 100 50 0 0 20 40 60 80 100 120 260 208 156 104 52 0 0 1 2 3 4 5 6 rw ( ) vw (v) v dd = 2.6 v 3.3 v 5.6 v 4.0 v 5.0 v 0 0.04 0.08 0.12
CAT5271, cat5273 http://onsemi.com 6 typical characteristics figure 9. standby current v dd (v) 6 5 4 3 2 100 150 200 250 300 350 400 isb (na) t = ? 45 ? c t = 25 ? c t = 90 ? c f (khz) f (khz) 1000 100 10 1 ? 36 ? 30 ? 24 ? 18 ? 12 ? 6 0 1000 100 10 1 0 5 10 15 20 25 30 a (db) psrr (db) v dd = 5 v v dd = 3 v v dd = 5 v v dd = 3 v figure 10. change in end-to-end resistance figure 11. end-to-end resistance vs. temperature temperature ( ? c) temperature ( ? c) 100 70 40 10 ? 20 ? 50 ? 0.2 0 0.2 0.4 100 70 40 10 ? 20 ? 50 101.75 101.80 101.85 101.90 101.95 102.00 102.05 102.15 (%) r (k ) 102.10 figure 12. gain vs. bandwidth (tap 0x80) figure 13. psrr
CAT5271, cat5273 http://onsemi.com 7 basic operation the CAT5271 and cat5273 are dual 256-position digitally controlled potentiometers. when power is first applied, the wipers assume a mid-scale position. once the power supply is stable, the wipers may be repositioned via the i 2 c compatible interface. programming: variable resistor rheostat mode (the following section refers to CAT5271. the behavior of cat5273 is identical, but for this device terminal a of the resistor is not accessible.) the resistance between terminals a and b, r ab , has a nominal value of 50 k or 100 k and has 256 contact points accessed by the wiper terminal, plus the b terminal contact. data in the 8-bit wiper register is decoded to select one of these 256 possible settings. the wiper?s first connection is at the b terminal, corresponding to control position 0x00. ideally this would present a 0 between the wiper and b, but just as with a mechanical rheostat there is a small amount of contact resistance to be considered, there is a wiper resistance comprised of the r on of the fet switch connecting the wiper output with its respective contact point. in CAT5271/ cat5273 this ?contact? resistance is typically 50 . thus a connection setting of 0x00 yields a minimum resistance of 50 between terminals w and b. for a 100 k device, the second connection, or the first tap point, corresponds to 441 (r wb = r ab /256 + r w = 390.6 + 50 ) for data 0x01. the third connection is the next tap point, is 831 (2 x 390.6 + 50 ) for data 0x02, and so on. figure 14 shows a simplified equivalent circuit where the last resistor string will not be accessed; therefore, there is 1 lsb less of the nominal resistance at full scale in addition to the wiper resistance. figure 14. CAT5271 equivalent digital pot circuit r s wiper register and decoder a w b r s r s r s the equation for determining the digitally programmed output resistance between w and b is r wb d 256 r ab r w (eq. 1) where d is the decimal equivalent of the binary code loaded in the 8-bit w iper register, r ab is the end-to-end resistance, and r w is the wiper resistance contributed by the on resistance of the internal switch. in summary, if r ab = 100 k and the a terminal is open circuited, the following output resistance r wb will be set for the indicated wiper register codes: table 8. codes and corresponding r wb resistance for r ab = 100 k , v dd = 5 v d (dec.) r wb ( ) output state 255 99,559 full scale (r ab ? 1 lsb + r w ) 128 50,050 midscale 1 441 1 lsb 0 50 zero scale (wiper contact resistance) be aware that in the zero-scale position, the wiper resistance of 50 is still present. current flow between w and b in this condition should be limited to a maximum pulsed current of no more than 20 ma. failure to heed this restriction can cause degradation or possible destruction of the internal switch contact. similar to the mechanical potentiometer, the resistance of the digital pot between the wiper w and terminal a also produces a digitally controlled complementary resistance r wa . when these terminals are used, the b terminal can be opened. setting the resistance value for r wa starts at a maximum value of resistance and decreases as the data loaded in the latch increases in value. the general equation for this operation is r wa (d) 256 d 256 r ab r w (eq. 2) for r ab = 100 k and the b terminal open circuited, the following output resistance r wa will be set for the indicated wiper register codes.
CAT5271, cat5273 http://onsemi.com 8 table 9. codes and corresponding r wa resistance for r ab = 100 k , v dd = 5 v d (dec.) r wa ( ) output state 255 441 full scale 128 50,050 midscale 1 99,659 1 lsb 0 100,050 zero scale typical device to device resistance matching is lot dependent and may vary by up to ? 20%. esd protection gnd logic digital input gnd potentiometer figure 15. esd protection networks w, a, b terminal voltage operating range the CAT5271/cat5273 v dd and gnd power supply define the limits for proper 3-terminal digital potentiometer operation. signals or potentials applied to terminals a, b or the wiper must remain inside the span of v dd and gnd. signals which attempt to go outside these boundaries will be clamped by the internal forward biased diodes. w, a, b CAT5271 logic gnd figure 16. v dd power-up sequence because esd protection diodes limit the voltage compliance at terminals a, b, and w (see figure 15), it is recommended that v dd /gnd be powered before applying any voltage to terminals a, b, and w. the ideal power-up sequence is: gnd, v dd , digital inputs, and then v a/b/w . the order of powering v a , v b , v w , and the digital inputs is not important as long as they are powered after v dd /gnd. power supply bypassing good design practice employs compact, minimum lead length layout design. leads should be as direct as possible. it is also recommended to bypass the power supplies with quality low esr ceramic chip capacitors of 0.01 f to 0.1 f. low esr 1 f to 10 f tantalum or electrolytic capacitors can also be applied at the supplies to suppress transient disturbances and low frequency ripple. as a further precaution digital ground should be joined remotely to the analog ground at one point to minimize the ground bounce. CAT5271 gnd + 10 f 0.1 f figure 17. power supply bypassing v dd v dd c 3 c 1
CAT5271, cat5273 http://onsemi.com 9 i 2 c bus protocol the following defines the features of the i 2 c bus protocol: 1. data transfer may be initiated only when the bus is not busy. 2. during a data transfer, the data line must remain stable whenever the clock line is high. any changes in the data line while the clock is high will be interpreted as a start or stop condition. the device controlling the transfer is a master, typically a processor or controller, and the device being controlled is the slave. the master will always initiate data transfers and provide the clock for both transmit and receive operations. therefore, CAT5271/cat5273 will be considered a slave device in all applications. start condition the start condition precedes all commands to the device, and is defined as a high to low transition of sda when scl is high. the CAT5271/cat5273 monitors the sda and scl lines and will not respond until this condition is met. stop condition a low to high transition of sda when scl is high determines the stop condition. all operations must end with a stop condition. device addressing the bus master begins a transmission by sending a start condition. the master then sends the address of the particular slave device it is requesting. the seven most significant bits of the 8-bit slave address are fixed as 0101111 for the CAT5271. for cat5273 the first five bits are fixed as 01011, and the next two bits are pin-programmable device address bits (ad1 and ad0). the next bit (r/w ) selects between the type of the instruction read or w rite. if the bit is logic high, then a read instruction is performed. if the bit is logic low, then the w rite command is executed. after the master sends a start condition and the slave address byte, the CAT5271/ca t5273 monitors the bus and responds with an acknowledge (on the sda line) when its address matches the transmitted slave address. acknowledge after a successful data transfer, each receiving device is required to generate an acknowledge. the acknowledging device pulls down the sda line during the ninth clock cycle, signaling that it received the 8 bits of data. the CAT5271/cat5273 responds with an acknowledge after receiving a start condition and its slave address. if the device has been selected along with a write operation, it responds with an acknowledge after receiving each 8-bit byte. when the CAT5271/cat5273 is in a read mode it transmits 8 bits of data, releases the sda line, and monitors the line for an acknowledge. once it receives this acknowledge, the CAT5271/cat5273 will continue to transmit data. if no acknowledge is sent by the master, the device terminates data transmission and waits for a stop condition. write operation in the write mode, the master device sends the start condition and the slave address information to the slave device. after the slave generates an acknowledge, the master sends the instruction byte. after receiving another acknowledge from the slave, the master device transmits the data to be written into the wiper register. the ca t5271/ cat5273 acknowledges once more and the master generates the stop condition.
CAT5271, cat5273 http://onsemi.com 10 t high scl sda in sda out t low t f t low t r t buf t su:sto t su:dat t hd:dat t hd:sta t su:sta t aa t dh figure 18. bus timing diagram start condition sda stop condition scl figure 19. start/stop condition acknowledge 1 start scl from master 89 data output from transmitter data output from receiver figure 20. acknowledge condition
CAT5271, cat5273 http://onsemi.com 11 instruction and register description slave address byte the first byte sent to the CAT5271 from the master/processor is called the slave address byte. the most significant seven bits of the slave address are a device type identifier. for the CAT5271, these bits are fixed at 0101111. for ca t5273, the first five bits are fixed as 01011, and the next two bits of the device identifier are determined by the logic levels on the ad1 and ad0 pins. the following bit (r/w ) selects between a read or a w rite operation. if the bit is logic high, then a read instruction is performed. if the bit is low, then the write command is executed. instruction byte write and read instructions are respectively three and two bytes in length. the basic sequence of the two instructions is illustrated in table 10 and 11. write operation in the write instruction, the second byte first bit (a0) selects between the potentiometer 1 and 2: a logic low is for the potentiometer 1, and a logic high is for potentiometer 2. the following bit (sd) is the shutdown bit. a logic high causes an open circuit at terminal a while shorting the wiper terminal w to terminal b. the ?shutdown? operation does not change the contents of the wiper register. when the shutdown bit, sd, goes back to a logic low, the previous wiper position is restored. also during shutdown, new settings can be programmed. as soon as the device is returned from shutdown, the wiper position is set according to the wiper register value. the remainder of the bits in the instruction byte are don?t care bits. read operation in the read mode, the data byte follows immediately after the acknowledgment of the slave address byte. data is transmitted over the serial bus in sequences. there is no potentiometer channel selection bit in the read command. the addressed channel is the one that is previously selected in the write mode. if it desired to read the potentiometer wiper register values of both channels, the first potentiometer must be addressed in write mode and then change to read mode to read the first channel value. after that, the user must return the device to write mode with the second potentiometer selected and read the second potentiometer wiper register value in read mode. it is not necessary for users to issue the third data byte in write mode for subsequent read operation. wiper control the CAT5271/cat5273 contains two 8-bit wiper control register (wcr). the wiper control register output is decoded to select one of 256 switches along its resistor array. the contents of the wcr may be written by the host via write instruction. the wiper control registers are a volatile register that loses its contents when the CAT5271/cat5273 is powered-down. upon power-up, the wiper is set to midscale and may be repositioned anytime after the power has become stable. table 10. CAT5271 write s 0 1 0 1 1 1 1 w a a0 sd x x x x x x a d7 d6 d5 d4 d3 d2 d1 d0 a p slave address byte instruction byte data byte s t a r t 010 11 a c k a0 xxxx a c k sda s t o p a c k d7 slave address byte instruction byte data byte sd x d6 d5 d4 d3 d2 d1 d0 r/w 11 x table 11. CAT5271 read s 0 1 0 1 1 1 1 r a d7 d6 d5 d4 d3 d2 d1 d0 a p slave address byte data byte s t a r t 010 11 a c k sda s t o p n c k d7 slave address byte data byte d6 d5 d4 d3 d2 d1 d0 r/w a 11 legend s = start p = stop a = acknowledge d = data bit r = read (bit is 1 for read instruction) w = write (bit is 0 for write instruction) a0 = potentiometer channel (1 or 2) select bit sd = shut down: 0: normal operation 1: wiper is parked at b terminal and terminal a is open circuit. x = don?t care
CAT5271, cat5273 http://onsemi.com 12 table 12. cat5273 write s 0 1 0 1 1 ad1 ad0 w a a0 sd x x x x x x a d7 d6 d5 d4 d3 d2 d1 d0 a p slave address byte instruction byte data byte s t a r t 01011 a c k a0 xxxx a c k sda s t o p a c k d7 slave address byte instruction byte data byte sd x d6 d5 d4 d3 d2 d1 d0 r/w ad1 ad0 x table 13. cat5273 read s 0 1 0 1 1 ad1 ad0 r a d7 d6 d5 d4 d3 d2 d1 d0 a p slave address byte data byte s t a r t 010 11 a c k sda s t o p n c k d7 slave address byte data byte d6 d5 d4 d3 d2 d1 d0 r/w a ad1 ad0 legend s = start p = stop a = acknowledge d = data bit r = read (bit is 1 for read instruction) w = write (bit is 0 for write instruction) a0 = potentiometer channel (1 or 2) select bit sd = shut down: 0: normal operation 1: wiper is parked at b terminal and terminal a is open circuit. x = don?t care ad1, ad0 = bits that must match the logic levels on pins ad1 and ad0 table 14. ordering part number part number resistance package lead finish shipping ? CAT5271zi ? 50 ? gt3 50 k msop ? 10 nipdau 3000 / tape & reel CAT5271zi ? 00 ? gt3 100 k 3000 / tape & reel cat5273zi ? 50 ? gt3 50 k msop ? 10 nipdau 3000 / tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. 13. for detailed information and a breakdown of device nomenclature and numbering systems, please see the on semiconductor devic e nomenclature document, tnd310/d, available at www.onsemi.com . 14. all packages are rohs-compliant (lead-free, halogen-free).
CAT5271, cat5273 http://onsemi.com 13 package dimensions msop 10, 3x3 case 846ae issue o e1 e a2 a1 eb d c a top view side view end view l1 l2 l detail a detail a notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec mo-187. symbol min nom max a a1 a2 b c d e e1 e l 0o 8o l2 0.00 0.75 0.17 0.13 0.40 2.90 4.75 2.90 0.50 bsc 0.25 bsc 1.10 0.15 0.95 0.27 0.23 0.80 3.10 5.05 3.10 0.60 3.00 4.90 3.00 l1 0.95 ref 0.05 0.85 on semiconductor and are registered trademarks of semiconductor co mponents industries, llc (scillc). scillc owns the rights to a numb er of patents, trademarks, copyrights, trade secrets, and other intellectual property. a list ing of scillc?s product/patent coverage may be accessed at ww w.onsemi.com/site/pdf/patent ? marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential 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 parame ters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the right s of others. scillc products are not designed, intended, or a uthorized 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 application in whic h the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or us e scillc products for any such unintended or unauthorized appli cation, 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 personal injury or death associated with such unin tended or unauthorized use, even if such claim alleges that scil lc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyrig ht laws and is not for resale in any manner. publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5817 ? 1050 CAT5271/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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