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general description the max14838/max14839 24v/100ma drivers are optimized for use in industrial sensors. these devices integrate all of the high-voltage (24v) circuitry commonly found in industrial sensors, including a configurable pnp/ npn/push-pull driver and an integrated linear regulator that meets common sensor power requirements. the max14838/max14839 are pin-configurable. logic inputs allow the driver to be configured for high-side (pnp), low-side (npn), or push-pull operation. an additional input allows the user to select between normal - ly-open and normally-closed logic. the max14838 features an onboard 5v linear regulator, while the max14839 features a 3.3v linear regulator. each device includes two led drivers for visual feedback. one led driver reflects the output logic status and the other is a general-purpose driver that can be used to signal a fault condition.the do output, supply (v cc ), and ground (gnd) pins are reverse polarity-protected and are protected against iec esd and surge events. the max14838 and max14839 operate from a wide sup - ply range and are available in a 12-pin tdfn-ep package (3mm x 3mm) or a 12-bump wafer-level package (wlp) (2.1mm x 1.6mm) and operate over the -40c to +105c temperature range. beneits and features high configurability simplifies design ? pin-selectable high-side (pnp), low-side (npn), or push-pull driver ? pin-conigurable no/nc logic integrated protection provides robust sensor solutions ? reverse-polarity protection on do, v cc , and gnd ? 4.75v to 34v supply range (max14839) ? driver is short-circuit protected fault output for fault indication ? v cc hot plug protection ? thermal shutdown protection ? 1kv/500 surge protection ? 8kv iec 61000-4-2 air gap esd protection ? 6kv iec 61000-4-2 contact esd protection ? -40c to +105c temperature range fast turn-off of inductive loads up to 1.5h saves space on board ? available in 12-pin tdfn-ep (3mm x 3mm) or 12-bump wlp (2.1mm x 1.6mm) ? dual integrated 2ma led drivers applications industry binary sensors proximity switches capacitive and inductive sensors ordering information appears at end of data sheet. 19-7465; rev 2; 6/15 v cc npn din max 1483 8 max 1483 9 fault 10 0nf do gnd 24v out gnd leds led2 ldo le d2in pp no se ns or a fe 10 0nf typical application circuit max14838/max14839 24v pin-configurable industrial sensor output drivers evaluation kit available downloaded from: http:///
(all voltages referenced to gnd, unless otherwise specified.) v cc ......................................................................... -36v to +36v ldo ......................................................................... -0.3v to +6v do ........................................................... higher of (v cc - 36v) and -36v lower of (v cc + 36v) and +36v din, npn, pp, no, ldo2in , fault ....................... -0.3v to +6v leds, led2 ....... -0.3v to the higher of (v cc - 0.3v) and +0.3v continuous power dissipation (t a = +70c) multiple-layer board (derate at 24.4mw/c above +70c) ........................ 1950mw operating temperature range ......................... -40c to +105c junction temperature ...................................................... +150oc storage temperature range ............................. -65oc to +150 c solder temperature (reflow ) ......................................... +260 c junction-to-case thermal resistance ( jc ) tdfn-ep ................................................................... 8.5c/w junction-to-ambient thermal resistance ( ja ) tdfn-ep ..................................................................... 41c/w wlp ............................................................................. 62c/w (note 1) (v cc = 4.75v to 34v (max14839), v cc = 7v to 34v (max14838), unless otherwise noted. v gnd = 0v. all logic inputs are v ldo or gnd. t a = t min to t max . typical values are at v cc = 24v, t a = +25 c ) (notes 2, 3) note 1: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four-layer board. for detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial . parameter symbol conditions min typ max units power supply supply voltage v cc max14839 4.75 34 v max14838 7 34 supply current i cc v cc = 24v, no external load on ldo, do is open-drain or push-pull mode, no load on do, leds, and led2 off 1.2 ma power-on reset (por) threshold v th v cc rising to do active max14839 4.1 4.7 v max14838 6.0 7.0 por threshold hysteresis v hth 0.5 v driver (do) output voltage high v oh high-side on, i do = -100ma, v cc - 1.7 v output voltage low v ol low-side on, i do = 100ma, 1.7 v current protection threshold |i oc | (note 4) 120 145 170 ma current limit |i cl | (note 4) 350 ma do weak pulldown current in pnp mode i ldo_hs pnp coniguration, high-side off, v do = v cc -1v, v cc = 34v 10 20 35 a do weak pullup current in npn mode i ldo_ls npn mode, low-side off, v do = 0v -35 -20 -10 a max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 2 absolute maximum ratings stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. package thermal characteristicselectrical characteristics downloaded from: http:///
(v cc = 4.75v to 34v (max14839), v cc = 7v to 34v (max14838), unless otherwise noted. v gnd = 0v. all logic inputs are v ldo or gnd. t a = t min to t max , typical values are at v cc = 24v, t a = +25 c ) (note 2, 3). parameter symbol conditions min typ max units do leakage current in npn mode i do_leak v cc = 24v, v do = 34v, do is high impedance 200 a do output negative clamp voltage v cln pnp mode, 100ma clamp current low - ing into do v cc - 42 v do output positive clamp voltage v clp pnp mode, 100ma clamp current low - ing into do 42 v logic input signals (din, npn, no, pp, led2in ) input logic-high voltage v ih 2.0 v input logic-low voltage v il 0.8 v input leakage current i il din, npn, no, pp, v in = 0v or 5.5v -1 +1 a led2in input pull-up current i pu v led2in = 0v 5 10 15 a logic output signal ( fault ) fault output low voltage v ol i fault = 1ma 0.4 v fault output leakage i ol v fault = 0v or 5.5v, fault is three- stated -1 +1 a led driver outputs (leds, led2) led current source i led leds, led2 on, v leds/ v led2 = 4v 1.7 2 2.3 ma linear regulator (ldo) output voltage v ldo max14839, 4.75v v cc 34v, i ldo = 30ma 3.0 3.3 3.6 v max14838, 7v v cc 34v, i ldo = 30ma 4.5 5.0 5.5 short circuit current limit i ldo_sc ldo short to gnd 30 45 ma line regulation i ldo = 30ma 0.06 % load regulation 0.1ma i load 30ma, 100nf bypass capacitor on ldo 2.8 protection thermal-shutdown threshold t shdn temperature rising, fault asserted +150 c thermal-shutdown hysteresis t shdn_hyst 10 c esd protection (v cc , do, and gnd) (note 5) air-gap discharge, iec 61000-4-2 8 kv contact discharge iec 61000-4-2 6 kv esd protection (all other pins) human body model, jesd22-a114e 2 kv surge tolerance iec 61000-4-5, 0.5f/500 1 kv reverse polarity current i rp any combination of v cc , do, and gnd -1 +1 ma max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 3 electrical characteristics (continued) downloaded from: http:///
(v cc = 4.75v to 34v (max14839), v cc = 7v to 34v (max14838), unless otherwise noted. v gnd = 0v, all logic inputs are v ldo or gnd. t a = t min to t max , typical values are at v cc = 24v, t a = +25 c ) (note 2, 3) note 2: all units are production tested at t a = +25c. specifications over temperature are guaranteed by design. note 3: currents into the device as positive; all currents out of the device are negative. all voltages are referenced to ground, unless otherwise noted. note 4: see the do short-circuit and overcurrent protection section for detailed information. note 5: esd protection for v cc is achieved only with an external capacitor connected from v cc to gnd. connect 100nf capacitor between v cc and gnd for air-gap and contact discharge esd. parameter symbol conditions min typ max units power-on reset timing por delay t pud delay after v cc rises above v th until do is active 75 80 100 ms driver timing low-to-high propagation delay t plh v cc = 34v, c l = 1nf, r l = 10k, push-pull or pnp mode, 50% to 50%, figure 1 5 20 s high-to-low propagation delay t phl v cc = 34v, c l = 1nf, r l = 10k, push-pull or npn mode, 50% to 50%, figure 1 5 20 s do output rise time t rise v cc = 34v, c l = 1nf, r l = 10k, push-pull or pnp mode, 10% to 90% 6 20 s do output fall time t fall v cc = 34v, c l = 1nf, r l = 10k, push-pull on npn mode, 90% to 10% 6 20 s overcurrent shutdown timing overcurrent detection time t isdet (note 4) 112 150 s overcurrent turn-off time t isoff (note 4) 3.75 5.0 ms max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 4 ac electrical characteristics downloaded from: http:///
figure 1. propagation delay timing (npn, pnp, or push-pull mode) 50 ? r l c l din max14838 max14839 gnd do din do t phl t plh 5v 0v 0v vcc max14838/max14839 in high-side or push-pull mode max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 5 test circuits/timing diagrams downloaded from: http:///
(v cc = 24v, t a = +25c, unless otherwise noted.) 99.50 99.75 100.00 100.25 100.50 4.75 10.60 16.45 22.30 28.15 34.00 output voltage (%) supply voltage (v) ldo output voltage vs. supply voltage max14838, v ldo = 5v toc04 max14839, v ldo = 3.3v normalized to v cc = 24v i load = 30ma 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 4.75 10.60 16.45 22.30 28.15 34.00 supply current (ma) supply voltage (v) supply current vs. supply voltage no load on ldo and do leds and led2 are off no switching on do toc01 max14838 max14839 do short circuit to ground response v do 10v/div i do 200ma/div toc07 4ms/div 0.0 0.5 1.0 1.5 2.0 2.5 3.0 4.75 10.60 16.45 22.30 28.15 34.00 logic threshold (v) suppy voltage (v) din logic threshold vs. supply voltage rising falling toc02 97 98 99 100 101 0 10 20 30 ldo output voltage (%) load current (ma) ldo output voltage vs. load current max14838, v ldo = 5v toc03 max14839, v ldo = 3.3v referenced to i load = 0ma ldo load transient response v ldo 100mv/div (ac - coupled) i ldo 20ma/div toc05 40ms/div v outn v inside v backup 0 10 20 30 40 50 60 70 80 90 100 4.75 10.60 16.45 22.30 28.15 34.00 short circuit current (ma) supply voltage (v) ldo short circuit current vs. supply voltage max14838, v ldo = 5v toc06 max14839, v ldo = 3.3v max14838/max14839 24v pin-conigurable industrial sensor output drivers maxim integrated 6 www.maximintegrated.com typical operating characteristics downloaded from: http:///
(v cc = 24v, t a = +25c, unless otherwise noted.) inductive demagnetization response v do 20v/div i do 100ma/div toc13 10ms/div +42.2v por timing v cc 10v/div do 10v/div ldo 5v/div toc12 20ms/div v outn v inside v backup 0 1 2 3 4 5 0 20 40 60 80 100 do output voltage (v) load current (ma) do output voltage vs. sink current toc09 low - side on toc-08 toc-10 toc-11 20 21 22 23 24 25 0 20 40 60 80 100 do output voltage (v) load current (ma) do output voltage vs. load current toc08 high - side on 0 20 40 60 80 100 120 140 160 180 200 4.75 10.60 16.45 22.30 28.15 34.00 do current protection threshold (ma) supply voltage (v) do current protection threshold vs. supply voltage toc10 high - side on 0 20 40 60 80 100 120 140 160 180 200 4.75 10.60 16.45 22.30 28.15 34.00 do current protection threshold (ma) supply voltage (v) do current protection threshold vs. supply voltage toc11 low - side on max14838/max14839 24v pin-conigurable industrial sensor output drivers maxim integrated 7 www.maximintegrated.com typical operating characteristics downloaded from: http:///
(v dd = 24v, t a = +25c, unless otherwise noted.) inductive demagnetization response v do 20v/div i do 100ma/div toc14 100nf - 18.0v 100 110 120 130 140 150 160 170 180 190 200 - 40 - 25 - 10 5 20 35 50 65 80 95 110 125 do leakage current (a) temperature ( c) do leakage current vs temperature toc16 npn mode, npn disabled v cc = 24v v do = 34v 100 110 120 130 140 150 160 170 180 190 200 - 40 - 25 - 10 5 20 35 50 65 80 95 110 125 do leakage current (a) temperature ( c) do leakage current vs temperature toc18 push - pull mode with output high v cc = v do = 34v 100 110 120 130 140 150 160 170 180 190 200 10 14 18 22 26 30 34 do leakage current (a) do voltage (v) do leakage vs. do voltage v cc = 10v npn mode toc15 100 110 120 130 140 150 160 170 180 190 200 - 40 - 25 - 10 5 20 35 50 65 80 95 110 125 do leakage current (a) temperature ( c) do leakage current vs temperature toc17 npn mode, npn disabled v cc = v do = 34v max14838/max14839 24v pin-conigurable industrial sensor output drivers maxim integrated 8 www.maximintegrated.com typical operating characteristics downloaded from: http:///
pin name function tdfn wlp 1 a1 v cc power supply input. bypass v cc to gnd with a 100nf capacitor as close as possible to the ic. 2 a3 ldo linear regulator output. v ldo is 5v for the max14838. v ldo is 3.3v for the max14839. bypass ldo to gnd with a 100nf capacitor as close as possible to the ic. 3 b2 led2 led2 driver output. connect led2 to the anode of an external general purpose led. led2 can be left unconnected if not used. see the truth table for more information. 4 a2 leds status led driver output. connect leds to the anode of the status led and the cathode of the general led. leds may be left unconnected if not used. see the truth table . 5 a4 pp driver push-pull mode select input. see the truth table for more information. 6 b4 npn driver npn or pnp mode select input. see the truth table for more information. 7 b3 led2in led2 control input. drive led2in low to turn led2 on. drive led2in high to turn led2 off. led2in can be connected to fault . 8 c4 fault open-drain fault output. fault goes low when an overcurrent or short circuit-condition is detected at do or when the device is in thermal shutdown. 9 c3 no driver normally-open/normally-closed select input. see the truth table for more information. 10 c2 din driver input. see the truth table for more information. 11 c1 gnd ground vcc do + ldo gnd din led2in led2 leds pp npn fault no tdfn (3mm x 3mm) top view 1 2 3 4 5 6 12 11 7 9 8 max14838max14839 10 12 - wlp max14838max14839 + 1 2 3 4 ab c vcc leds ldo pp do led2 led2in npn gnd din no fault (2.1mm x 1.6mm) max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 9 pin conigurationpin description downloaded from: http:///
pin name function tdfn wlp 12 b1 do driver output. see the truth table for more information. ep exposed pad. available on tdfn package only. connect exposed pad to gnd. not intended as the main ground connection. inputs operation no pp npn din mode do status leds l l l l pnp nc on (high) on l l l h pnp nc off (high impedance) off l l h l npn nc on (low) on l l h h npn nc off (high impedance) off l h l l push-pull nh high on l h l h push-pull nh low off l h h l push-pull nl low on l h h h push-pull nl high off h l l l pnp no off (high impedance) off h l l h pnp no on (high) on h l h l npn no off (high impedance) off h l h h npn no on (low) on h h l l push-pull nl low off h h l h push-pull nl high on h h h l push-pull nh high off h h h h push-pull nh low on truth table max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 10 pin description (continued) downloaded from: http:///
detailed description the max14838/max14839 are 24v, 100ma drivers for industrial binary sensors. these devices are pin- programmable and integrate the common high-voltage circuitry needed for industrial binary sensors into a single- device solution. integrated transient protection meets the iec 61000-4-5 standard and protects surges up to 1kv/500. the max14838/max14839 feature multiple configuration options that are user-selected during operation. the output of the device can be pin-configured for high- side (pnp), low-side (npn), or push-pull operation. additionally, the devices allow the user to configure thelogic for sensors that are normally open (no) or normally closed (nc).the two integrated led drivers in the max14838/ max14839 provide visual feedback of the state of the sensor. these devices deliver the robust design necessary in industrial applications. the do, v cc , and gnd interface pins are protected against reverse-polarity connection, short circuits, and high esd. these devices also feature fast inductive demagnetization of gnd-connected and v cc -connected inductive loads up to 1.5h. overcurrent protection guards the max14838/max14839 from damage due to overheating during overcurrent fault conditions. the fault output signals thermal overload and overcurrents.ldo linear regulator the max14838/max14839 feature an integrated linear regulator to power external loads up to 30ma, suitable for most common industrial sensors. the max14838 features a 5v ldo, while the max14839 features a 3.3v ldo. during thermal shutdown, the regulator is turned off. power-on reset (por) the max14838/max14839 includes a 95ms (max) por delay between the time the supply voltage exceeds the por threshold until the do output is enabled. during the por delay, the do output is high impedance and the led drivers (leds and led2) are inactive. driver output protection v cc dognd ldo led driver led driver no max14838 max14839 led2in led2 leds ldo protection pp npn din driver por fault gnd max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 11 functional diagram downloaded from: http:///
reverse-polarity protection reverse-polarity protection is built into the max14838/ max14839. integrated circuitry protects the device against accidental reverse-polarity connections to the v cc , do, and gnd pins. during a reverse-polarity plugin event, the maximum current drawn through v cc , do, or gnd is 1ma. the maximum voltage between any of the pins must not exceed 36v dc at any time. voltage transients short-duration voltage transients that rise above the absolute maximum rating of the v cc pin occur during esd, burst, and hot plug events. the max14838/ max14839 cannot be damaged with a 100nf bypass capacitor on the v cc line. transients due to inductive kickback on do when driving inductive loads up to 1.5h at 100ma or less can also bring the do voltage above the absolute maximum rating, yet not damage the device. the absolute maximum ratings for v cc and do should not be violated for any length of time by external sources.driver output (do) the driver output of the max14838/max14839 is pin- configurable for low-side, high-side, or push-pull opera - tion. the driver output can also be configured as nomally open or normally closed. see the truth table for details on configuring the output mode. fast turn-off of inductive loads the max14838/max14839 contain internal circuitry that enables rapid demagnetization of inductive loads in npn or pnp modes. inductive loads up to 1.5h can be magnetized and demagnetized by the max14838/ max14839. in the case of an inductive load connected to gnd ( figure 2 ), the inductor is magnetized as do is driven high. when the do output switches to the off state, there is a consequential negative voltage kickback on the do pin, which is shunted to v cc by an internal clamp. the demagnetization voltage across the load for a negative voltage kickback event is |v cc - 42v| (typ). as the voltage supplied to v cc increases, the demagnetization voltage across the inductor decreases. consequently, the demag - netization time increases with voltage supplied to v cc . similarly, with a load connected to v cc ( figure 3 ), the inductor is magnetized as do is driven low. when the do output switches to the off state, there is a consequential positive voltage kickback at the do pin, which is shunted to gnd by an internal clamp. the demagnetization volt - age across the load for a positive voltage kickback event is |v cc - 42v| (typ). the equivalent clamping structure of the max14838/ max14839 for high-side mode is shown in figure 2 , and the equivalent clamping structure for the device in low- side mode is shown in figure 3 . as shown in the figures, the minimum series load resistor can be calculated as v cc /100ma. figure 2. high-side mode with ground-connected load figure 3. low-side mode with supply-connected load v cl max 14838 max 14839 v cc do r the voltage across the inductor is |v cc C v cl | during negative kickback l v cl max 14838 max 14839 do r the voltage across the inductor is |v cc C v cl | during positive kickback l v cc max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 12 downloaded from: http:///
capacitive loads the max14838/max14839 are capable of driving capaci - tive loads on the do output. assuming a pure capacitive load without series/parallel resistance, the maximum capacitance that can be charged can be calculated as: c load = [i cl x t isdet ]/ v cc higher capacitive loads can be driven if a series resis - tor is connected between the do ouput and the load. capacitive loads can be connected to ground or v cc . do short-circuit and overcurrent protectionthe do driver load current is actively limited to i cl (350ma, typ). when the do load current exceeds the current protection threshold, i oc (145ma, typ), for a duration lon - ger than t isdet (130s,typ), the do driver is immediately turned off and enters autoretry mode. in autoretry mode, do is turned off for t isoff (4ms, typ) and then powered up for t isdet . if the short-circuit condition has not been removed, the cycle repeats. the device turns off for t isoff , then back on for t isdet , reducing the overall power dissipation at do. led output drivers the max14838/max14839 allow the user to receive visual feedback of the state of the sensor using two led driver outputs, leds and led2. the led drivers protect onboard leds against possible reverse-polarity connec - tions on the v cc supply. if leds and led2 are used, connect as shown in the typical application circuit . when using a low supply voltage, ensure that the sum of the two leds forward- voltage is less than 4v. if only leds is used, leave led2in and led2 uncon - nected. if only led2 is used, connect leds to ground. general purpose led driver (led2) led2 is a general-purpose led driver output. led2in is the input for led2. pull led2in low to turn on the led2 output. to configure led2 as a visual fault indicator, connect led2in to fault . output driver state indicator (leds) the leds driver output signals the state of the do driver. leds sources current when one do output transistor is on in pnp or npn mode. see truth table for more infor - mation. thermal shutdown the max14838/max14839 includes integrated protec - tion against thermal overload. when the die temperature rises above +150c (typ), the do driver, led drivers, and the linear regulator automatically turn off until the die temperature returns to a safe level. applications information burst protection to improve false transitions during burst testing, connect a 4.7nf capacitor between do and v cc and another between do and gnd.extended esd protection esd-protection structures are incorporated on all pins to protect against electrostatic discharges up to 2kv (hbm) encountered during handling and assembly. v cc , do, and gnd are further protected against esd up to 12kv (air-gap discharge), and 8kv (contact discharge) with - out damage. the esd structures withstand high esd both in normal operation and when the device is pow - ered down. after an esd event, the devices continue to function without latchup. max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 13 downloaded from: http:///
esd test conditions esd performance depends on a variety of conditions. contact maxim for a reliability report that documents test methodology and test results. human body model figure 4 shows the human body model. figure 5 shows the current waveform it generates when discharged into a low impedance. this model consists of a 100pf capacitor charged to the esd voltage of interest that is then dis - charged into the device through a 1.5k resistor. iec 61000-4-2 the iec 61000-4-2 standard covers esd testing and per - formance of finished equipment. it does not specifically refer to integrated circuits. the major difference between tests done using the hbm and iec 61000-4-2 is higher peak current in iec 61000-4-2, because series resistance is lower in the iec 61000-4-2 model. hence, the esd withstand voltage measured to iec 61000-4-2 is gener - ally lower than that measured using the hbm. figure 6 shows the iec 61000-4-2 model and figure 7 shows the current waveform for the 8kv, iec 61000-4-2, level 4, esd contact-discharge method. figure 4. human body esd test model figure 5. human body current waveform figure 6. iec 61000-4-2 esd test model figure 7. iec 61000-4-2 esd generator current waveform charge-current- limit resistor discharge resistance storagecapacitor c s 100pf r c 1m ? r d 1.5k ? high- voltage dc source device under test 100% 36.8% t rl time t dl peak-to-peak ringing(not drawn to scale) i r 0 0 i peak (amps) 90%10% charge-current- limit resistor discharge resistance storagecapacitor c s 150pf r c 50m ? to 100m ? r d 330 ? high- voltage dc source device under test t r = 0.7ns to 1ns 30ns 60ns t 100% 90%10% i peak (amps) max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 14 downloaded from: http:///
package information for the latest package outline information and land patterns (foot - prints), go to www.maximintegrated.com/packages . note that a +, #, or - in the package code indicates rohs status only. package drawings may show a different suffix character, but the drawing pertains to the package regardless of rohs status. package type package code outline no. land pattern no. 12 tdfn-ep td1233+1 21-0664 90-0397 12 wlp w121c2+1 21-0009 refer to application note 1891 ordering information part ldo voltage temp range pin- package max14838gtc+ 5v -40c to +105c 12 tdfn- ep max14838gwc+ 5v -40c to +105c 12-bump wlp MAX14839GTC+ 3.3v -40c to +105c 12-tdfn- ep max14839gwc+ 3.3v -40c to +105c 12-bump wlp +denotes a lead(pb)-free/rohs-compliant package. *ep = exposed pad v cc npn din max14838max14839 fault irq pwm gpo 100nf do gnd 24v out gnd leds led2 ldo led2in pp no sensor afe 100nf mcu max14838/max14839 24v pin-conigurable industrial sensor output drivers www.maximintegrated.com maxim integrated 15 chip information process: bicmos typical application circuit downloaded from: http:///
revision history revision number revision date description pages changed 0 12/14 initial release 1 2/15 updated v oh and v ol limits 2 2 6/15 updated toc08 in the typical operating characteristics section 7 maxim integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim integrated product. no circuit patent licenses are implied. maxim integrated reserves the right to change the circuitry and speciications without n otice at any time. the parametric values (min and max limits) shown in the electrical characteristics table are guaranteed. other parametric values quoted in this data sheet are provided for guidance. maxim integrated and the maxim integrated logo are trademarks of maxim integrated products, inc. max14838/max14839 24v pin-conigurable industrial sensor output drivers ? 2015 maxim integrated products, inc. 16 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim integrateds website at www.maximintegrated.com. downloaded from: http:///

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