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" 9?-? max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ________________________________________________________________ maxim integrated products 1 1 2 3 4 5 10 9 8 7 6 sclk dout din cs gnd ch1 ch0 v dd max1108 MAX1109 m max top view com ref input shift register control logic t/h sar internal oscillator output shift register v dd analog input mux internal reference dout sclk din ch0 com ref ch1 cs gnd charge redistribution dac max1108 MAX1109 ????3??????? _____________ 19-1399; rev 0; 10/98 e? ? _______________________________ j ___________________________________ part max1108 cub max1108eub -40? to +85? 0? to +70? temp. range pin-package 10 ?ax 10 ?ax MAX1109 cub MAX1109eub -40? to +85? 0? to +70? 10 ?ax 10 ?ax 4 1 *t| 2 4 1 *x . p u p s p m b * o d w ? apb{ . * $ 3 0 8 * 3 &x / b u j p o b m 4 f n j d p o e v d u p s $ p s q w ? apb{ max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics?max1108 (v dd = +2.7v to +3.6v; unipolar input mode; com = gnd, f sclk = 500khz, external clock mode (50% duty cycle); 10 clocks/conver- sion cycle (50ksps); 1? capacitor at ref, external +2.048v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. v dd to gnd ..............................................................-0.3v to +6v ch0, ch1, com, ref, dout to gnd .......-0.3v to (v dd + 0.3v) din, sclk, cs to gnd ............................................-0.3v to +6v continuous power dissipation (t a = +70?) 10-pin ?ax (derate 5.6mw/? above +70?) ............444mw operating temperature ranges max110_cub ......................................................0? to +70? max110_eub ...................................................-40? to +85? storage temperature range .............................-65? to +150? lead temperature (soldering, 10sec) .............................+300? v dd = 2.7v to 3.6v v dd = 5.5v (note 2) no missing codes over temperature conditions ?.15 ?.5 bits 8 resolution lsb ?.2 inl relative accuracy (note 1) lsb ? dnl differential nonlinearity units min typ max symbol parameter v dd = 5.5v (note 2) v dd = 2.7v to 3.6v lsb ?.5 offset error ?.2 ? lsb ? gain error (note 3) ppm/? ?.8 gain temperature coefficient t a = t min to t max t a = +25? mv 50 v dd / 2 sampling accuracy db 49 sinad signal-to-noise plus distortion db -70 thd total harmonic distortion (up to the 5th harmonic) lsb ?.5 tue total unadjusted error ? lsb ?.1 channel-to-channel offset matching -3db rolloff unipolar input, v com = 0 mhz 0.8 full-power bandwidth mhz 1.5 bw -3db small-signal bandwidth 0v ref input voltage range (note 4) db 68 sfdr spurious-free dynamic range bipolar input, v com or v ch1 = v ref / 2, referenced to com or ch1 v ? ref / 2 v ch_ pf 18 c in input capacitance on/off-leakage current, v com or v ch = 0 or v dd ? ?.01 ? multiplexer leakage current dc accuracy dynamic performance (10khz sine-wave input, 2.048vp-p, 50ksps, 500khz external clock) analog inputs ? max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ _______________________________________________________________________________________ 3 electrical characteristics?max1108 (continued) (v dd = +2.7v to +3.6v; unipolar input mode; com = gnd, f sclk = 500khz, external clock mode (50% duty cycle); 10 clocks/conver- sion cycle (50ksps); 1? capacitor at ref, external +2.048v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) conditions units min typ max symbol parameter external clock, 500khz, 10 sclks/conv internal clock external clock, 2mhz ? 20 t conv conversion time (note 5) 35 ? 1 t acq track/hold acquisition time ps <50 aperture jitter ns 10 aperture delay khz 400 internal clock frequency (note 6) 0 to 0.5ma (note 7) ppm/? ?0 ref tempco ? 150 i refsc ref short-circuit current mv 2.5 load regulation khz 50 500 v 1.968 2.048 2.128 v ref output voltage +2.048v at ref, full scale, 500khz external clock ? 120 input current v 2.7 3 5.5 v dd supply voltage power down, v dd = 2.7v to 3.6v full-scale input, v dd = 2.7v to 3.6v 0.5 2.5 i dd mv ?.4 ? psr power-supply rejection (note 9) v dd = 2.7v to 3.6v, c l = 10pf v dd = 5.5v, c l = 10pf 105 250 130 ? 1 capacitive bypass at ref v 0.2 v hyst input hysteresis v 0.8 v il threshold voltage low ? ? i ih input current high v dd 3.6v v dd > 3.6v v 2 v 3 v ih threshold voltage high mhz 2 external clock frequency range v 1.0 v dd + 0.05 input voltage range ? ? i il input current low pf 15 c in input capacitance for data transfer only internal reference external reference 70 internal reference external reference 95 ? supply current (notes 2, 8) track/hold internal reference external reference power requirements digital inputs (din, sclk , and cs ) wake-up time max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 4 _______________________________________________________________________________________ cs = v dd cs = v dd pf 15 c out three-state output capacitance ? ?.01 ?0 i l three-state leakage current figure 1, c load = 100pf figure 1, c load = 100pf figure 2, c load = 100pf ns 240 t dv cs fall to output enable ns conditions 20 200 t do sclk fall to output data valid ns 240 t tr cs rise to output disable ns 100 t ds din to sclk setup time ? 1.0 t acq acquisition time ns 0 t dh din to sclk hold time external reference internal reference (note 10) ? 20 ns 200 t cl sclk pulse width low ms 12 t wake wake-up time ns 0 t csh cs to sclk rise hold ns 100 t css cs to sclk rise setup ns 200 t ch sclk pulse width high units min typ max symbol parameter i sink = 5ma i source = 0.5ma i sink = 16ma v 0.4 v v dd - 0.5 v oh output high voltage v 0.8 v ol output low voltage electrical characteristics?max1108 (continued) (v dd = +2.7v to +3.6v; unipolar input mode; com = gnd, f sclk = 500khz, external clock mode (50% duty cycle); 10 clocks/conver- sion cycle (50ksps); 1? capacitor at ref, external +2.048v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) electrical characteristics?MAX1109 (v dd = +4.5v to +5.5v; unipolar input mode; com = gnd, f sclk = 500khz, external clock (50% duty cycle); 10 clocks/conversion cycle (50ksps); 1? capacitor at ref, external +4.096v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) v dd = 4.5v to 5.5v lsb offset error ?.2 ? lsb ? v dd = 4.5v to 5.5v no missing codes over temperature gain error (note 3) ppm/? ?.8 conditions gain temperature coefficient t a = t min to t max t a = +25? mv 50 v dd / 2 sampling accuracy lsb ?.5 tue total unadjusted error ? lsb ?.1 channel-to-channel offset matching ?.15 ?.5 bits 8 resolution lsb inl relative accuracy (note 1) lsb ? dnl differential nonlinearity units min typ max symbol parameter digital output (dout) timing characteristics (figures 8, 9, and 10) dc accuracy max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ _______________________________________________________________________________________ 5 electrical characteristics?MAX1109 (continued) (v dd = +4.5v to +5.5v; unipolar input mode; com = gnd, f sclk = 500khz, external clock (50% duty cycle); 10 clocks/conversion cycle (50ksps); 1? capacitor at ref, external +4.096v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) ps <50 aperture jitter ns 10 aperture delay khz 400 internal clock frequency 0 to 0.5ma (note 7) ppm/? ?0 ref tempco ma conditions 5 i refsc ref short-circuit current mv 2.5 load regulation khz 50 500 v v 3.936 4.096 4.256 v ref output voltage +4.096v at ref, full scale, 500khz external clock ? 120 input current 1.0 v dd + 0.05 input voltage range ? 1 capacitive bypass at ref units min typ max symbol parameter external clock, 2mhz db sinad signal-to-noise plus distortion 49 ? 1 t acq track/hold acquisition time external clock, 500khz, 10 sclks/conv internal clock ? 20 t conv conversion time (note 5) 35 sfdr spurious free dynamic range db db 68 thd total harmonic distortion (up to the 5th harmonic) -70 full-power bandwidth mhz unipolar input, v com = 0 0v ref -3db rolloff mhz 0.8 bw -3db small-signal bandwidth 1.5 v ch_ input voltage range (note 4) v multiplexer leakage current ? on/off-leakage current, v ch = 0 or v dd ?.01 ? pf c in input capacitance 18 bipolar input, v com or v ch1 = v ref / 2, referenced to com or ch1 ? ref / 2 mhz 2 external clock frequency range dynamic performance (10khz sine-wave input, 4.096vp-p, 50ksps, 500khz external clock) analog inputs track/hold external reference internal reference for data transfer only ? max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 6 _______________________________________________________________________________________ electrical characteristics?MAX1109 (continued) (v dd = +4.5v to +5.5v; unipolar input mode; com = gnd, f sclk = 500khz, external clock (50% duty cycle); 10 clocks/conversion cycle (50ksps); 1? capacitor at ref, external +4.096v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) cs = v dd cs = v dd pf 15 c out three-state output capacitance ? ?.01 ?0 i l three-state leakage current figure 1, c load = 100pf figure 1, c load = 100pf figure 2, c load = 100pf ns 240 t dv cs fall to output enable ns conditions 20 200 t do sclk fall to output data valid ns 240 t tr cs rise to output disable ns 100 t ds din to sclk setup time ? 1.0 t acq acquisition time ns 0 t dh din to sclk hold time units min typ max symbol parameter i sink = 5ma i sink = 16ma 0.4 v 4.5 5 5.5 v dd supply voltage v 0.8 v ol output low voltage v dd = 4.5v to 5.5v, c l = 10pf, full-scale input 130 250 power down, v dd = 4.5v to 5.5v 0.5 2.5 95 external reference = +4.096v, full-scale input, v dd = 4.5v to 5.5v mv ?.4 ? psr power-supply rejection (note 9) v 0.2 v hyst input hysteresis v 0.8 v il threshold voltage low v 3 v ih threshold voltage high ? ? i ih input current high pf 15 c in input capacitance i source = 0.5ma v v dd - 0.5 v oh output high voltage ? ? i il input current low i dd ? supply current (notes 2, 8) internal reference external reference power requirements digital inputs (din, sclk , and cs ) digital output (dout) timing characteristics (figures 8, 9, and 10) max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ _______________________________________________________________________________________ 7 electrical characteristics?MAX1109 (continued) (v dd = +4.5v to +5.5v; unipolar input mode; com = gnd, f sclk = 500khz, external clock (50% duty cycle); 10 clocks/conversion cycle (50ksps); 1? capacitor at ref, external +4.096v reference at ref; t a = t min to t max ; unless otherwise noted. typical values are at t a = +25?.) conditions external reference internal reference (note 10) ? 20 ns 200 t cl sclk pulse width low ms 12 t wake wake-up time ns 0 t csh cs to sclk rise hold ns 100 t css cs to sclk rise setup ns 200 t ch sclk pulse width high units min typ max symbol parameter note 1: relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has been calibrated. note 2: see typical operating characteristics . note 3: v ref = +2.048v (max1108), v ref = +4.096v (MAX1109), offset nulled. note 4: common-mode range (ch0, ch1, com) gnd to v dd . note 5: conversion time defined as the number of clock cycles times the clock period; clock has 50% duty cycle (figures 6 and 8). note 6: ref supplies typically 2.5ma under normal operating conditions. note 7: external load should not change during the conversion for specified accuracy. note 8: power consumption with cmos levels. note 9: measured as ? v fs (2.7v) - v fs (3.6v) ? for max1108, and measured as ? v fs (4.5v) - v fs (5.5v) ? for MAX1109. note 10: 1? at ref, internal reference settling to 0.5lsb. a j ?^ ? q ______________________________________________________________________ (v dd = +3.0v (max1108), v dd = +5.0v (MAX1109); external conversion mode; f sclk = 500khz; 50ksps; external reference; 1? at ref; t a = +25?; unless otherwise noted.) 200 0 06 supply current vs. supply voltage 40 20 180 160 max1108/09-01 supply voltage (v) supply current ( m a) 12345 140 120 100 80 60 d out = 10101010 max1108 (2.7v to 5.5v) MAX1109 (4.5v to 5.5v) internal reference c load = 47pf c load = 10pf 200 0 -40 100 supply current vs. temperature 40 20 180 160 max1108/09-02 temperature (?) supply current ( m a) -200 20 406080 140 120 100 80 60 v dd = 5v v dd = 3v d out = 10101010 c load = 10pf internal reference 0.50 0 2.5 5.5 shutdown supply current vs. supply voltage 0.10 0.05 0.45 0.40 max1108/09-03 supply voltage (v) shutdown current ( m a) 3.0 3.5 4.0 4.5 5.0 0.35 0.30 0.25 0.20 0.15 max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 8 _______________________________________________________________________________________ a j ?^ ? q v _________________________________________________________________ (v dd = +3.0v (max1108), v dd = +5.0v (MAX1109); external conversion mode; f sclk = 500khz; 50ksps; external reference; 1? at ref; t a = +25?; unless otherwise noted.) 0.5 -0.5 2.5 5.5 offset error vs. supply voltage -0.3 -0.4 0.4 0.3 max1108/09-04 supply voltage (v) offset error (lsb) 3.0 3.5 4.0 4.5 5.0 0.2 0.1 0 -0.1 -0.2 0.5 -0.5 -40 100 offset error vs. temperature -0.3 -0.4 0.4 0.3 max1108/09-05 temperature (?) offset error (lsb) -200 20 406080 0.2 0.1 0 -0.1 -0.2 0.20 -0.20 0 5.0 offset error vs. reference voltage -0.10 -0.15 0.15 0.10 max1108/09-06 reference voltage (v) offset error (lsb) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0.05 0 -0.05 0.5 -0.5 2.5 5.5 gain error vs. supply voltage -0.3 -0.4 0.4 0.3 max1108/09-07 supply voltage (v) gain error (lsb) 3.0 3.5 4.0 4.5 5.0 0.2 0.1 0 -0.1 -0.2 0.3 -0.3 2.5 5.5 integral nonlinearity vs. supply voltage -0.1 -0.2 0.2 max1108/09-10 supply voltage (v) inl (lsb) 3.0 3.5 4.0 4.5 5.0 0.1 0 1.0 -1.0 -40 100 gain error vs. temperature -0.6 -0.8 0.8 0.6 max1108/09-08 temperature (?) gain error (lsb) -200 20 406080 0.4 0.2 0 -0.2 -0.4 1.0 -1.0 0 5.0 gain error vs. reference voltage -0.4 -0.6 -0.8 0.8 0.6 max1108/09-09 reference voltage (v) gain error (lsb) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0.4 0 0.2 -0.2 0.5 -0.5 0 300 differential nonlinearity vs. code -0.1 0 -0.3 -0.4 -0.2 0.4 0.3 max1108/09-11 digital code dnl (lsb) 50 100 150 200 250 0.1 0.2 0.5 -0.5 2.5 5.5 differential nonlinearity vs. supply voltage -0.2 -0.3 -0.4 0.4 0.3 max1108/09-12 supply voltage (v) dnl (lsb) 3.0 3.5 4.0 4.5 5.0 0.2 0.1 0 -0.1 max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ _______________________________________________________________________________________ 9 0.5 -0.5 0 300 integral nonlinearity vs. code -0.1 0 -0.3 -0.4 -0.2 0.4 0.3 max1108/09-13 digital code inl (lsb) 50 100 150 200 250 0.1 0.2 20 -100 030 fft plot -60 -80 0 max1108/09-14 frequency (khz) amplitude (db) 510152025 -20 -40 f ch_ = 9997hz, 2vp-p f sample = 53.25khz 21.0 18.0 06 conversion time vs. supply voltage 19.0 18.5 20.5 max1108/09-15 supply voltage (v) conversion time( m s) 12345 20.0 19.5 internal conversion mode a j ?^ ? q v _________________________________________________________________ (v dd = +3.0v (max1108), v dd = +5.0v (MAX1109); external conversion mode; f sclk = 500khz; 50ksps; external reference; 1? at ref; t a = +25?; unless otherwise noted.) z? ? __________________________________________________________________________ ??????? ?? ch0, ch1 2, 3 ???????!?;w???? o ?x? ????? ?y{? ?????wqvz ???? ??{ o ?????wqvxz 'w???p ( / %t?`oxi^m{ ref 5 ???? gnd 4 ??a??w????{ cs u?psmqz???x % * /t?????^??d?{ cs u?? wqvz % 0 6 5x????e???ts??b{ cs 7 3?????? z?{???x 4 $ - , wq<u??p?????^??b{ cs u??wqv????e???ts??b{ dout 9 3?????? ??{???x 4 $ - ,wq u??p?????^??b{ din 8 ??? ??t? s????{3?????t??wqv??? ?y? ? `?b{!? xz? - 4 #w? qu ?apb{ com 6 3?????? ??{3????????w?????????t|?????^d?b{ ? ????t??pxz 4 $ - ,u!? s? ? `?b{ sclk 10 z? y ?o ?y v dd 1 ;y ? 25 15 -40 100 conversion time vs. temperature 18 17 16 24 23 max1108/09-16 temperature (?) conversion time ( m s) -20 0 20 40 60 80 22 21 20 19 internal conversion mode v dd = 3v v dd = 5v 1.0010 0.9980 -40 100 normalized reference voltage vs. temperature 0.9990 0.9985 1.0005 max1108/09-17 temperature (?) reference voltage (v) -20 0 20 40 60 80 1.0000 0.9995 0 -100 025 channel-to-channel crosstalk vs. frequency -70 -80 -90 -10 -20 max1108/09-18 frequency (khz) crosstalk (db) 5101520 -30 -40 -50 -60 v ch_off = v refp-p max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? 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" 9 w ???? ??w????xz 7t| 73 aw?mw ?y??? ! ???ot ? pv?b{ % * /e?w ????? m??? xz3?????? 4 $ - , wq u??p?????^??b{ cs x ?qw??-?3??????tb? a j w???? ??pb{ 4 $ - ,x z3?????? ??w ? z???????? ?8^d?h?t ?;`?b{?hz? ????t??pxz 4 $ - ,u !? s? ? `?b{ ???? z? % 0 6 5 w z????xz 4 $ - , wq u??p ? ??z . 4 #u7 s % pb{a??? ??t??w qvz z?x???s???pb{??? ??t??wqvz z?x w4 :pb ; a :w ?? `oxi^m { % 0 6 5xz cs u?wqvt ??a?pz cs u??wqvx????e??? ts??b{ % 0 6 5x 7 % % ????m? ?w ?y? ! ? ?d?{? ????t??w ?z!?w rg t 7? l ) [ w?????p???u????? ^??b{ o ????t??w ?z7 g . ) [w ?????p???u?????pv?b{ ?^t?? . " 9 . " 9 xza???x??? t??pz3?????xy?) ?t??p ?^ b?; ? ?qom?b{? a ?x3?????? ??w % * /e?t ??b? m???p?? `?b {a???x???w ? ?b? qvz t??? ?? ? mo?z t ?? ?y c???`?bwp? `oxi^m{ !???mo % * /? m?????????b?q!????`? b{ cs u?wqvz 4 $ - , wq u??uz ???? % * /t? . " 9 . " 9 w o ?w3? ??t?????`?b{ cs u?txjh ?tz % * /t x `h7 sw????? ? u m? ??w . 4 #? [`?b{\w7 sw?????? u x b??pz : xw??? ? u % * /t??? ??^??buf??x?pb{ x m???w ??????`?b{ a j ?^s? $ ??;b?wx7?,? $s1?? ??????pz!????b?wt ??? w 8 ? s ?aq`?b 7 sw ???w 8 x " % $ w?????wh?pzw ???w 8 x ???w!?al??????^d?h?pb { $ t? ????t????;b? o!?w?? ?????`?b{ ???t?? . " 9 . " 9 x ? z!????b?q vz? ?3???????hx o ????wmc ?t??;`?b{rj?w???t??p?z? ? ???u\w * $t???w3?????hx3?? ???`?b{ m???w??? * & $ - , u ???t?????`?b{ $ x?mwt?? t? s????? ? qpb{ ? ???? ? ????t??wqvz? ????x ? z? ????? ?^d?izpxsxz??????? !?wa?? ??b{\wt??wqvz??? * t :x l ) [? l ) [wtsz?ys??d?{ ? ??????;b?qvz o!?w????? x cs wq<u??p????b{\?u c \b? qz % 0 6 5 x????e??? y 6???`zfw? cs sclk dout i/o sck miso +3v ss a) spi cs sclk dout cs sck miso +3v ss b) qspi max1108 MAX1109 max1108 MAX1109 max1108 MAX1109 cs sclk dout i/o sk din mosi din mosi din so si c) microwire $ ? s3???????? ? max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ______________________________________________________________________________________ 13 m??????? !??? ??-??q?-?? ?y * 3 * ???? ?? start sel2 sel1 sel0 i/eclk i/eref refshdn shdn bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 (msb) (lsb) ? i/eref 2 ??? o ?????z ? ?????{ o ?????w ? rx 7 . " 9 x 7 . " 9 pz? ?????x 3 & 'e?t1c`?b{ ?y i/eclk 3 start ? ????z o ????{ 4 " 3x o ?w c +zk?mx 4 $ - , ??p? ?^??b{ shdn 0 (lsb) 7 (msb) ?^z ????{ ?s????w ? xz refshdn shdn pb ?? ??t??w?? `oxi^m { cs u?tslh?w7 sw????? ? u m???w??? [`?b{ sel2 sel1 sel0 6 5 4 ?^t??? ? r`?b { refshdn 1 ?^ * & 3 & ' wqv z ????w3?????{? ?????p ?^^d? qvz o ?????? m????b?h? * & 3 & ' z ??w ? ?x7 ?ts?? b{ shdn wqvz refshdn x t ? ^?sz?ys??d?{ a???t?? ri* ri - v ref / 2 ?-?? ri + v ref ri ri + v ref / 2 ?w??-?? ??-?? ?-?? ???t?? yw??-?? sel2 1 1 1 1 sel1 ???? ?? 4 * sel0 0 1 ch1 ch0 !?t?? ???? ?? 3 * com com unipolar unipolar 1 0 1 0 1 ch1 ch0 0 gnd gnd unipolar unipolar 0 0 0 1 1 ch1 ch0 1 com com bipolar bipolar 0 0 0 0 1 v dd / 2 ch0 0 gnd ch1 unipolar bipolar max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 14 ______________________________________________________________________________________ ?ts??b{ cs u?t??^?h?tz 4 $ - , t?? % * /t7 sw ? u?????^?hqvz ??????q`o yy^??b{ ^?t xw??? u m???w??????`?b{ jw??? wq<u??p????t??u???ts?z jw???wq<u??p???3??u ?`o!????`?b{ ? zt?? . 4 #??? w> u 4 $ - ,w jwq u??p??^??b{ j 4 $ - , wq<u??p . 4 #u % 0 6 5e?t ?????^?zf?g?w xw 4 $ - , q<u? ?pz!?^?h??w???u????? ^??b{ - 4 #u?????^?h?z cs u?? ??^???pz?u % 0 6 5 t?????? ^??b{tz % 0 6 5 x????e???ts?z * $x??w!?wh?t j ?? y 6ts??b $ { !?x n t? ot?`sz?ys?czfopsm q???????????w w ?y ?< p!?alu?=`?b{3?????? * t :u l ) [?s?zk?mx!?u3?????? ?t?lo n t? q??os?z o ???? t??p ?^^doxi^m{ o ???? o ????t??xz 4 " 3!????? c \^d? 1w ? r?0n`?b{\?p?x nw?m qvtz7 g . ) [?pw?????p!?al? ? ?\qupv?b{ !?w rg xz o ?w?u????-`?b{ jw 4 $ - ,wq<u??p????t??u ???ts?z jw 4 $ - , wq<u??p ???3??u?`z o ?p!????`?b{ o ?w l ) [ w???x t u z q t n b y p! ???`zfwt!?alw . 4 #u % 0 6 5e?t z?^??b{!?u? hz 4 $ - , wq<u?? p 5z\w?t???w??????? ??pv?b $ { mlh?!????b?qz cs ??t??b? ?a xk??d?{ cs ????`o??tb?qz cs sclk din dout 14 8 12 16 20 start sel2 msb lsb sel1 sel0 i/eclk i/eref ref shdn shdn d7 msb lsb d6 d5 d4 d3 d2 d1 d0 idle idle t conv t acq a/d state $ o!?w?????z? ????t?? cs sclk din dout t csh t css t cl t ds t dh t dv t ch t do t tr t csh $ 3????????w?????w ?i max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ______________________________________________________________________________________ 15 . " 9 . " 9 t?????? -`z % 0 6 5 ???a??t`?buz o ????t?? t?? rg w!?t1xk??d?{\wt?? pz . " 9 . " 9 t???u3????t| 3????b????w?????x . ) [?p d pz t? w7 y???3?? u " $ 2 u ?-pv?b{ ??????? . " 9 . " 9 w??? q ? z $t a` hmqvz $ ws?w?a? * ?`?b{\w * $x !?t ?qjz % * /t m???w {?u ?apb{ cs ? ( / %?z^?t % * /? 7 % % t ? b?\qxz ' ' )w m??????b?\qt p`?b{bs ?jz\?x3?????z $ ) pa???!?z $ 0 .t`ox? ????t??zhi`!?q! ?wt????`sm| ts??b{ l ) [ t? l ) [ w? ????? 4 $ - , e?t1c`o xi^m{??? ???!=^d?qz % 0 6 5e?t ?????^??!?wal?!???b{- ??????u!??t ?apb{ ???????? cs wq<u??pz!?x??^??d?{ % * / t?????^??7 sw????xz??? ???q`or ^?z\?t?? m???w7 s w???u [^??b{???3??xz jw 4 $ - , wq<u??p??`z? ????t?? w ?x 4 $ - , 4w *8w8z o ????t?? w ?x 4 $ - , 4w *8w8z? `?b{??? cs sclk din dout 14 8 start sel2 sel1 sel0 i/eref i/eclk ref shdn shdn d7 d6 d5 d4 d3 d2 d1 d0 t acq idle idle a/d state 10 14 18 t conv 35 m s max $ o!?w?????z o ????t?? 1? 0.1? v dd gnd cs sclk din dout v dd 0.01? ch0 com ref c1 1? analog input oscilloscope ch1 ch2 5 m s/div *conversion result = 10101010 max1108 MAX1109 v supply 500khz oscillator dout* sclk msb lsb $ ???????s? $ max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ 16 ______________________________________________________________________________________ 3??w??byt!????`?b{??? ???x?<w?ot [^??b{ ???u???? y 6pk? ?w z?qy 7 % % u1c^?h?tz cs u ?w y 6p % * /t?????^?ovh 7 sw?????{ x ? ????t??w ?z!? rg w ??? % u % 0 6 5 e?t????? ^?h?tz % * /??????^?ovh 7 sw?????{ x o ????t??w ?z!? rg w ??? % u % 0 6 5 e?t????? ^?h?tz % * /??????^?ovh 7 sw?????{ . " 9 . " 9 xz!?kh? xw??? p ?^^dhqvt7? sqs??b{ $ x? ? ???t??wqvz 4 $ - ,w *8p!???? b?wt ?as3?????????????? ?`?b{ xw??????xz!?? xw 4 $ - , ???w t : p??b?\q?a{`?b{? ?????u . " 9 . " 9 ?? ?b? qvw7? sxz z!?kh? xw??? wqv ????b{ $ x? ????t??wqvz 4 $ - ,w *8p!????b?wt ?as3??? ????????????`?b{ ? ????t??wqvzqow!?u?b? 2 t cs u ~????qz rg w!?x -^?z % * / t?????^?hw?????u y`m??? ???q`o yy^??b{\w\qx sw m? ?? ? o???t?? pz ????t 0b? !?? ? `o???3??? ?b?\qu d pz? $t 4 $ - ,w *8 iz???3?? ? ?b?\qts??b{??? ??1?u?? ??e???wqvz?hx????w t t t? ? ?aqb?qvz\wuoxg y $pb{? h????t??w?; t?z\w * $q??? ?w t wh?tb;pv?b ???? t??w?? `oxi^m { sclk din dout cs s control byte 0 control byte 1 s conversion result 0 d7 d5 d0 d7 d5 d0 d7 conversion result 1 control byte 2 s 1 8101 10 1 10 1 s t acq t acq t acq idle a/d state t conv t conv t conv $ !?z? ????t??z ??? !?????? sclk din dout cs s control byte 0 control byte 1 s conversion result 0 d7 d0 d7 d0 conversion result 1 s 1 817 25 $ !?z? ????t??z ??? !?????? ??-?3?? ?c ___________________ ?a?1t?? \w ?^t??xz o ?p \ rb??? ?yw ? 7 % % ?????`o!?`?b{\w; ? ? rb?qvz m???w ? 4 & - 4 & - 4 & - t ? `oxi^m{\?t??z?a?t??? b? 7 % % w y 6?a?2u1pv??ot`?b{\ w ?^t??u & ~t ?^b?h?txz???? ?yu 7 % % ????xsz?ys??d?{!?w alt? $ 0 % & z 7 % % x?<w?ot [^??b{ 7 % % $ 0 % &~ 7 3 & ' ??|? ? ??u7 st d ?^??qvz . " 9 . " 9 w????x???? y 6pz shdn x?? ?pxk??d?{ cs ??t??`z m??? ? {?z * $w ? ?b? ?auk??b{? ???? ???;b?qz t? ot!?u??pv?b{ o ???????;b? ?z????w t wh?t n t ?_?pxi^m{\w8 tz ?????????b???wr ?? 7 st??`z^?t sw!?x????u t ^?ot???`?b{ o ??hx? ?w ??? ? ?yu? b??pz!?alu y?pk?q xmq?d?{ ????t?? ??? ??b?txz!?q!?wt???? ? ?vw????t??t`oxi^m{ ?? m? ??w pz refshdn t| shdn ???b ?qz7 ?w?? ? ?u a rpv?b {1?? ?????u c \`hqvzf?x!??t w??ts??b{ m???t refshdn u ???qz????x!?w7?t ?^??b{ ?` shdn pk?yz!?w7?t\w??x ????^??b \wt??pxz * & 3 & '?hx refshdn u?t ? ^??b { t . " 9 . " 9 w????t????`?b{ cs u?txjh?z % * /t?????^?h7 s w?? x . " 9 . " 9 ????? `?b * $u????b??pt tu ?apb { 2sw!?wqvt o ?????u ? r^?hqv w?z????t ?????`?b{???? `h?t?????????b?qvz!? al?b;b?\q?????????t ?` oxi^m{l ? yt????buz x n tu ?apb{3?????t? ?<`hqvz? ?w ???u ?tl ?`omsmwpk?yzf? ?? y vb?\q?u |`?b{ ?ow???? t??pz?????x??a?w??p!? al? ?? z`?b{!????b?? 2w?? ??u yswtzf?? q??????? u' ^???osqvz????????w tgl`h ? o???uo? ? ?`oxi^m{ ?y???? . " 9 . " 9 x o ?op ?^`z1?? ?p m?b? 7 . " 9 k?mx 7 . " 9 w o ?????; ? ?q om?b{\w * $xz o ?????k?mx 3 & ' e?t1cb?? ?????wmc?tp ?^` ?b{????? rw ?it`oxz?? ??t??q ?^t??w?? `oxi^m{ ???? ?yu??-??w c?? [`z a???t??w ???x ? 7 3 & ' ?ppz? ??t??w ???xz 3 * 7 3 & ' wqv 3 * ? 7 3 & ' ts??b{ ? ????? ? ?????p ?^^d? ?z m???w ??? * & 3 & ' q??? refshdn ? t ? `z ? ????? 7q 7 % % ww 7 3 & ' ? 3 & 'e?t ? ? `?b{ 3 & 'w % $ ????e???x? s t?xz? ?vx?t o " u z q pb{!?wz ????x7 g "?pw ?y ?v??? pvz!???? * t :p l k?mxf??<w z???e???? ?qomsz?ys??d?{ max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ______________________________________________________________________________________ 17 . " 9 . " 9 w ????t?? 1 m???w ??? ???? 1 1 0 1 1 1 0 0 0 1 x 1 0 0 1 0 x r r e e f f s s h h d d n n i/eref s s h h d d n n ?^t?? * $x??a?? o ????? x!?w?t????`zw ??????p???? `?b{ * $x??a? o ???? ?x??a? * $q o ?????x!?w? t????`zw??? ???p????`?b{ * $x??a? ? ???? ?t?? y??-{?;`smpxi^m{ * $x!?w?t???? `zw??????p?? ??`?b{? ????? t??{ 9 ? max1108/MAX1109 ????w z???e???uf?? t?m tzk?mx???? ?z 3 & 'e?tm t? 'w???p?`oxi^m{ . " 9 w o ?????x 7pb{\w * $? 7?< w?? ?yp?;b?qvz? ?????t?? pw ?^u ?apb{ 3 & 'w? ????? ?yu 7 . " 9 k?mx 7 . " 9 ?? ?mqz - 4 #w ? ' 4 t 0b? 3 . 4??w ?cu q ??=^ dz????????x`?b{ o ????? o ?????p ?^^d? ?z m???w ??? * & 3 & ' q??? refshdn ? t ? `z 3 & 'q????? 'w???p?`o xi^m{ o ?????xz m???w??? refshdn ? t ? b?qz!?w?t???? ^??b{ o ???????;b?qvz . " 9 w?? ?yx 7?<z . " 9 w?? ?yx 7 ? p?;`oxi^m{ ; a : ta???q???t??w??-?? ?y c???`?b{ $ bx wza???w ?? 0 z? ; a :pz $ cx???w ?? 0 z? ; a :??`?b{?-??x ?? ? r ? t?? [^?z $ 0 .z ( / %zk?mx $ ) w mc?tt`?b{ ?? -?xz? ?b? t : w - 4 # ?w ?p c \ `?b{ z?w ??=xa??? ?^wqv? ??s???pz??? ?^wqvx w4 : w???pb{????u 7 wqvz - 4 # n 7 7 3 & ' ts??b{ ???z????zt|? 7?w q ? ??h?z???s?, x??;`o xi^m{????????xs??pv?d?{ ????q???w ?? u?mtm???otz , x???w ??`oxi^m{???q ???? ?t??? ???u?mt?ts?s m?otzk?mx " % $?-?w<????? ???u ?sm?ot`oxi^m{ $ tz * ?pv?3a????w ? mo??` ?b{ :??????? ????????? ? " %????t ? `?b{b?ow???w ???????????? ? `oxi^m{ w ????3a?????\w :t ? `smp xi^m{??? ?b?h?z??????t? ?o?w????????xpv?iz yxb?q?tz ???e???t`oxi^m{ 7 % % ?o ow? * t??u " % $ ow???t 1b?d quk??b{\w ?oxz . " 9 . " 9 w 7 % % e?wmq\?pz 'q ' ?????;`o????????`o xi^m{7?w ?o?? ?? z? ??h?tz ???w??? ?pv?iz yx`oxi^m{ ?ow??u ?t gvm ?xz w ??? ????q`o ? pv?b{ o ?oz ? ? ? ??z ???z3??? ??? " % $ 18 ______________________________________________________________________________________ output code full-scale transition 11111111 11111110 11111101 00000011 00000010 00000001 00000000 123 0 fs fs - 1lsb fs = v ref + com 1lsb = v ref 256 input voltage (lsb) (com) $ b a??? ; a : 01111111 output code 01111110 00000010 00000001 00000000 11111111 11111110 11111101 10000001 10000000 -fs com input voltage (lsb) +fs - 1 lsb 2 +fs = v ref + com 2 -fs = -v ref + com 2 com = v ref 2 1lsb = v ref 256 $ c ??? ; a : max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ______________________________________________________________________________________ 19 gnd +3v/+5v system power supplies v dd dgnd v dd com 1 m f 10 w 0.1 m f gnd digital circuitry max1108 MAX1109 $ ?o???? ? $ ?? ?c _____________________________ transistor count: 2373 max1108/MAX1109 o ?oz ? ? ? ??z ???z3??? ??? " % $ ?3tpx ? .u?3t a ?p?q^?om?s???ws?w?;tmmox y ??j?d?{s? ?????xt^? om?d?{ ?3tx 5's`ts?t|?7?!?b?vb?-y`?b{ 20 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 1998 maxim integrated products is a registered trademark of maxim integrated products. ?-? ________________________________________________________________________ 10lumaxb.eps b eg 3 ? f? n y s b ? > ?o? ?? 5 & - ' " 9 |
Price & Availability of MAX1109
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