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74100 LAA110S PTGF30 5404G MAX21601 A10464 SCS421D AT87F55
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  Datasheet File OCR Text:
  mos CS7146 ??? | CS7146 2007-01-a 1? 10? 1 CS7146 ??? CS7146 ?? 12 ??? sar ad ?????????? ? 2.2~5.25v, ??? 0.75mw ?? 2.7v ??? ?? 125khz ???????? . ? pda ? pos ???????? ?? 2.2v~5.25v ? 2.5v ?? ? (0v~6v) ???? ?? ??? qspitm spitm ? ???? ?? tssop-16 / qfn16 2 ??? 2. 1 ?? CS7146 adc ?? ?? ? ? ? ? 2.5v ? ? ? ? din dout busy cs dc lk vc c penirq x+ x- y+ y- v bat ref v aux 2. 2 CS7146 ?? 12 ?? ad ????? ????????? CS7146 ?? 2.2v 5.25v ??????????? ??? 2.5v ??? ????? ??
mos CS7146 2007-01-a 2? 10? ?? 1v vcc ??? ad ?? ?? x ? y ? z ?????????? ??? ad ???? CS7146 ?? ??????????? CS7146 ???? 2. 3 ? 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 dclk cs di n busy dout penirq v v v v x+ y+ x- y- gn d aux cc bat ref cc CS7146 2. 4 ???? ? ? 1 v cc ? 2 x+ x+ i 3 y+ y+ i 4 x- x- i 5 y- y- i 6 gnd 7 v bat ? i 8 aux ? i 9 v ref ?? io 10 v cc ? 11 penirq ??? 10k ~100k o pull-up 12 dout ? cs ? ???? o
mos CS7146 2007-01-a 3? 10? 13 busy ??? cs ?? ??? o 14 din ? cs ? ? dclk i 15 cs ??? i 16 dclk ?? i 3 3. 1 ? t amb = 25 ? ?? v cc 2.2 5.25 v ?? v op -0.3 6 v ? v in gnd-0.3 v cc +0.3 v ? v out gnd-0.3 v cc +0.3 v ? t stg -65 150 3. 2 t amb =25 v cc =2.7v ?? v ref =2.5v dclk=2mhz ? ? 125khz 12 ??? ? ? ? fsis - 0 - v ref v -0.2 - v cc +0.2 ? air air -0.2 - +0.2 v v cin - 25 - pf ? i leak - 0.1 - a ??? ? resolution - 12 - ? nm codes 11 - - ? inl - - 2 lsb (1) ? offset_error - - 6 lsb
mos CS7146 2007-01-a 4? 10? gain_error ?? - - 4 lsb noise ?? - 70 - vrms ?? psrr - 70 - db ? ?? tconv - - 12 ? ?? tacq 3 - - ? ? rate - - 125 khz ??? ? tsettle - 500 - ns ?? ad - 30 - ns ? aj - 100 - ps ? isolation vin=2.5vp-p, 50khz, - 100 - db ? y+ x+ - 5 - ? y- x- ron - 6 - (2) idriver 100ms - - 50 ma ?? ??? vref 2.45 2.5 2.55 v ??? tc - 15 - ppm/ ? iq - 500 - a ?? ?? v range 0.5 - 6.0 v ?? - 10 - k rin ???? - 1 - g ?? 2.5v -2 - +2 % ?? v accuracy ?? -3 - +3 % ?? ?? tr -40 - 85 ??? (3) - 1.6 - ? t resolution temp0 (4) - 0.3 - ??? (3) - 2 - ?? t accuracy temp0 (4) - 3 - / vih vih +v cc 0.7 - +v cc +0.3 v vil vil -0.3 - +0.8 v voh voh +v cc 0.8 - - v vol vol penirq ? ? |i ih | 5 a, |i il | 5 a, i oh =250 a, i ol =250 a - - 0.4 v vol vol penirq 50k k 0 ~85 - - 0.8 v ?? df - - - -
mos CS7146 2007-01-a 5? 10? ?? ??? 2.7 - 3.6 v +v cc (5) vr ? 2.2 - 5.25 v ???? - 280 650 a ?? - 780 - a f sample=125khz - 220 - a ? iq ?? , cs=dclk=din=v cc - - 3 a power v cc =2.7v - - 1.8 mw ? ?? tr -40 85 ?? 1 lsb ? vref=+2.5v ? 1lsb=610 v 2 50ma ? ?? 3 ??? temp0 temp1 ??? 4 temp0 ?? ?? -2.1mv/ 5 CS7146 2.2v ??????? 4 din ?????? 1 ? 2 ? CS7146 ?? ?? adc ???????? 1 ??? bit 7(msb) bit 6 bit 5 bit 4 bit 3 bit 3 bit 1 bit 0(lsb) s a2 a1 a0 mode ser/dfr pd1 pd0 2 ? s ?????? a2-a0 ???? ser/dfr ?? CS7146 ? ??????? 4 ? 5 mode ???? 12 ?? 8 ser/dfr ???? ? a2-a0 ? ? CS7146 ??? ????? 4 ? 5 pd1-pd0 ??????? 3 1 ????????? CS7146 ? ?? din ??? 2 ???? a2 a1 a0 ? CS7146 ??? ???? 3 ?????? ad ???????? 12 ???? 8 ??? 4 ser/dfr ???????????????? ??? x ? y ????? ???????? ???????? vref ??? x ? y ???????
mos CS7146 2007-01-a 6? 10? ????? CS7146 ???????? ????? ad ?????? ?? 2.5v, ???? 2.7v ? 5 pd1 pd0 ad ??????? ??? CS7146 ?????? ???????????? ???? ad ??? ??? busy ???? ??? CS7146 ??? ? 3 ?????? pd1 pd0 ?? 0 0 ????????? ???? ??????? ??? y- ?? 0 1 adc ??? 1 0 ? adc ?? 1 1 adc ?? 5 ??? 4 ? 5 CS7146 ???????? 4 ??? a2 a1 a0 ? ?? y- x+ y+ ? 0 0 0 +in(temp0) 0 0 1 +in y y+ y- 0 1 0 +in 0 1 1 +in z1 y+ x- 1 0 0 +in z2 y+ x- 1 0 1 +in x x+ x- 1 1 0 +in 1 1 1 +in(temp1) 5 ???? a2 a1 a0 y- x+ y+ ? +ref -ref 0 0 1 +in y y+ y- 0 1 1 +in z1 y+ x- 1 0 0 +in z2 y+ x- 1 0 1 +in x x+ x-
mos CS7146 2007-01-a 7? 10? 6 ?? ??????? CS7146 ? ?????????????? ????? temp0 ? ad ?? ? 25 ? 20 a ?? 600mv, ????? ???? 2.1mv/ ??????? ????????? 0.3 /lsb ? ???????? temp1 temp0 ? ?????????A? 2 ??? ???? t( )= 2.573 v(mv)-273 k ??????????????? 1.6 /lsb ???????? ???? ???????? 7 ? CS7146 ????????????? 0.5v 6v dc/dc ?? CS7146 ??????? ad ?? ?????????? ad ????? ???????? 8 ? CS7146 ??? ??????? ??? ??????? 8 ??????? CS7146 ????? x ??k x ? z1 z2 ? vcc r x2 x- x+ rtouch r y1 y+ y- r y2 measurez2 r x1 measurez1 ??? ? y+ x- ? x+ ???? z1 ? y- ??? z2 ?1?? rtouch ????
mos CS7146 2007-01-a 8? 10? ) 1 1 2 ( 2 ? ? ? = z z r r r r x x x touch r x =r x1 +r x2 ? x ??k r x2 ? x ? ??? x ? y ??k x ? y z1 ? 1??? ) 1 ( ) 1 1 4096 ( 2 2 y y y x x x touch r r r z r r r r ? ? ? ? ? = r y =r y1 +r y2 ? y ??k r y2 ?? y ? 9 ????? ?? CS7146 ??????????? dsp ad ???? 8 ?? spi/ssi microwiretm ???? 3 ?? 24 ??? 8 ?? din ? CS7146 ? ???????????????? ??????????? ?????? ???? 12 ? ??????????????? 13 ?? ? ? x,y (ser/dfr-1) (ser/dfr=0) x,y off off on on off off (lsb) (msb) dout busy din dclk cs 1 11 1 2 3 4 5 6 7 8 9 10 11 0 8 8 (start) sa2 a0 a1 pd0 pd1 f aco
mos CS7146 2007-01-a 9? 10? 10 ? v v x+ y+ x- y- gnd aux cc bat dclk cs din busy dout penirq v v ref cc 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ?? dc/ dc ? ? 50k ??? ??? / ?? up ? CS7146 1-10uf ( ? ) + 0.1uf +2.7v +5.0v 11 ???


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