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ET4334 rev 2 .0 2006-04-07 1/13 etek microelectronics 24bit ?? d/a ? ET4334 24bit ???? 1bit ?? d/a ??? ET4334 ???? ET4334 ???????? ??????????? 2khz 100khz ??? ? z ? dac ?? z 24bit ? z 96db ? z -88db ? + z ?? z 5v ? z ? z ??? z ?? sop8(ET4334 m) ?? sdata dem/s clk lrc k agnd va aout r aout l mclk ET4334 sop8(ET4334 m) ?? ? ? i/o ?? 1 sdata i ??? 2 dem /sclk i ???? 3 lrck i / ???? 4 mclk i ???? 5 aoutr o ???? 6 agnd i ?? 7 va i ?? 8 aout o ???? free datasheet http:///
ET4334 rev 2 .0 2006-04-07 2/13 ?? ? ?? (i 2 s) ? sclk ? ? sclk ? i 2 s mclk/lrck=512,256/128 16bit ? int sclk=32fs i 2 s mclk/lrck=384/192 24bit ? int sclk=48fs i 2 s ?? 24bit sclk lrck 3 s d a t a 1 dem /sclk 2 m c lk 4 va aout l 8 aout r 5 s e r i a l i n p u t inter f ace inter pol a t or inter pol a t or d e -emp h as i s modul ator ds modul ator da c da c v o l t age refer enc e anal og low- p as s fi l t e r anal og low- p as s fi l t e r 7 a g n d 6 ds free datasheet http:///
ET4334 rev 2 .0 2006-04-07 3/13 ET4334 initialization and power-down sequence free datasheet http:///
ET4334 rev 2 .0 2006-04-07 4/13 ? (agnd=0v) min. max dc ? va -0.3 6.0 v i in - 10 ma ? v ind -0.3 va+0.4 v ? t a -55 125 ? t stg -65 150 ? min. typ. max. dc ? va 4.75 5.0 5.5 v ? base-rate ?? hihg-rate ?? min. typ. max. min. typ. max. unweighted 85 93 - - 90 - 1 8to 24bit a-weighted 88 96 - 88 96 - unweighted 83 91 - - 88 - ? 16bit a-weighted 86 94 - 86 94 - db 0db - -88 -82 - -88 -82 -20db - -73 -65 - -70 -62 1 8to 24bit -60db - -33 -25 - -30 -22 db 0db - -86 -70 - -86 -80 -20db - -71 -63 - -68 -60 ? + 16bit -60db thd +n - -31 -23 - -28 -20 db ? 1khz - 94 - - 95 - db ???? to-0.5db corner 0 - .4780 - - - to-0.1db corner - - - 0 - .4650 ?? to-3db corner 0 - .4996 .4982 fs 10hz 20khz ?? -.01 - +.08 -.05 - +.2 db ?? - - .08 - - .2 db ? .5465 - - .5770 - - fs ? 50 - - 55 - - db ? tgd - 9/fs - - 4/fs - s 0 to 40 khz - 0.36/fs - - 1.39/fs - ??? 0 to 20 khz s ? fs=32 khz - - +1.5/+0 db free datasheet http:///
ET4334 rev 2 .0 2006-04-07 5/13 fs=44. 1khz - - +.05/-.25 fs=48khz - - -.2/-.4 min. typ. max. dc ?? - 0.1 0.4 db - 5 - % ? - 100 - ppm/ ? ? 3.25 3.5 3.75 vpp ?? v q - 2.2 - vdc ac ? r l - 3 - k ? ? c l - 100 - pf ? min. typ. max. ?? i a - 15 19 ma ??? i a - 40 - a ?? - 75 104 mw ??? - 0.2 - mw ? ja - 110 - /watt ?? 1khz psrr - 79 - db free datasheet http:///
ET4334 rev 2 .0 2006-04-07 6/13 output test load maximum loading power vs. sample rate a o u t x a g n d 1 0 f v o u t r l c l 7 5 5 0 b r m h r m 7 0 6 5 6 0 5 5 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 a o u t x a g n d 1 0 f v o u t r l c l 7 5 5 0 b r m h r m 7 0 6 5 6 0 5 5 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 free datasheet http:///
ET4334 rev 2.0 2006-04-07 7/13 ? t a =25 va = 4 . 7 5 5.5v min. typ. max. ?? t a =-40 85 va = 4 . 7 5 5.5v;input:logic=0v,logic1=va,cl=20pf min. typ. max. fs 2 - 100 khz mclk mclk/lrck=512 10 - 1000 ns mclk mclk/lrck=512 10 - 1000 ns mclk mclk/lrck=384/192 21 - 1000 ns mclk mclk/lrck=384/192 21 - 1000 ns mclk mclk/lrck=256/128 31 - 1000 ns mclk mclk/lrck=256/128 31 - 1000 ns ? sclk ? lrck ???? sclk 40 50 60 % sclk t sclkl 20 - - ns sclk t sclkh 20 - - ns sclk mclk/lrck=512,256/384 t sclkw fs ) 128 ( 1 - - ns sclk mclk/lrck=128/192 t sclkw fs ) 64 ( 1 - - ns sclk lrck ??? t slrd 20 - - ns sclk lrck ?? t slrs 20 - - ns sdata sclk ? t sdlrs 20 - - ns sclk sdata ? t sdh 20 - - ns ? sclk ? lrck ???? sclk - 50 - sclk t sclkw scl k 1 - - ns sclk lrck ?? t sclkr - 2 tsclkw - s sdata sclk ? t sdlrs 10 fs ) 512 ( 1 + - - ns sclk sdata ? mclk/lrck=512,256/128 t sdh 15 fs ) 512 ( 1 + - - ns sclk sdata ? mclk/lrck=384/192 t sdh 15 fs ) 384 ( 1 + - - ns ??? v ih 2.0 - - v ??? v il - - 0.8 v ? i in - - 10 a - 8 - pf free datasheet http:///
ET4334 rev 2.0 2006-04-07 8/13 ?? external serial mode input timing internal serial mode input timing internal serial clock generation sclkh t slrs t slrd t sdlrs t sdh t sclkl t sdata sclk lrck sd at a *i nte r n a l s c l k lrc k sclk w t sd l r s t sd h t sc l k r t sdata lrck mclk *internal sclk 1 n 2 n free datasheet http:///
ET4334 rev 2.0 2006-04-07 9/13 over base-rate frequency response f i g u r e 1 7 . s t o p b a n d r e j e c t i o n f i g u r e 1 8 . t r a n s i t i o n b a n d 0 0 . 0 5 0 . 1 0 . 1 5 0 . 2 0 . 2 5 0 . 3 0 . 3 5 0 . 4 0 . 4 5 0 . 0 2 0 0 . 0 2 0 . 0 4 0 . 0 6 0 . 0 8 0 . 1 a m p l i t u d e d b f r e q u e n c y ( n o r m a l i z e d t o f s ) f i g u r e 1 9 . t r a n s i t i o n b a n d f i g u r e 2 0 . p a s s b a n d r i p p l e free datasheet http:///
ET4334 rev 2.0 2006-04-07 10/13 over high-rate frequency response f i g u r e 2 1 . s t o p b a n d r e j e c t i o n f i g u r e 2 2 . t r a n s i t i o n b a n d 0 0 . 0 5 0 . 1 0 . 1 5 0 . 2 0 . 2 5 0 . 3 0 . 3 5 0 . 4 0 . 4 5 0 . 1 5 0 . 1 0 . 0 5 0 0 . 0 5 0 . 1 0 . 1 5 0 . 2 0 . 2 5 a m p l i t u d e d b f r e q u e n c y ( n o r m a l i z e d t o f s ) f i g u r e 2 3 . t r a n s i t i o n b a n d f i g u r e 2 4 . p a s s b a n d r i p p l e free datasheet http:///
ET4334 rev 2.0 2006-04-07 11/13 base-rate mode performance plots -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 db r a hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 db r a 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k hz -140 + 0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz 20k 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 db r a hz 20k 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k hz +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 db r a (16k f f t of a 1 khz input s ignal) f igur e 25. 0 db f s f f t (b r m ) (16k f f t of a 1 khz input s ignal) f igur e 26. -60 db f s f f t (b r m ) -1 40 +0 -1 30 -1 20 -1 10 -1 00 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 db r a hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 db r a 2k 6k4k 8k 10k 12k 14k 16k 18k 20k hz -140 +0 -130 -120 -110 -100 -9 0 -8 0 -7 0 -6 0 -5 0 -4 0 -3 0 -2 0 -1 0 d b r a 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 db r a hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 db r a 2k 6k4k 8k 10k 12k 14k 16k 18k 20k hz (16k f f t with no input s ignal) f igur e 27. i dle c hannel noise f f t (b r m ) (16k f f t of intermodulation dis tortion us ing 13 khz and 14 khz input s ignals ) f igur e 28. t win t one i m d f f t (b r m ) - 110 -6 0 - 100 -9 0 -8 0 -7 0 d b r a -6 0 +0 -5 0 -4 0 -3 0 -2 0 -1 0 db f s -5 0 - 4 0 -3 0 - 2 0 -1 0 dbf s -6 0 +0 -1 1 0 -1 0 0 -9 0 -8 0 -7 0 -6 0 db r a -110 +0 -100 -9 0 -8 0 -7 0 -6 0 -5 0 -4 0 -3 0 -2 0 -1 0 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 db r a 20 50 100 200 500 1k 2k 5k 10k 20k hz +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 db r a 100 50 200 500 1k 2k 5k 10k hz 20 20k (t hd+n plots meas ured us ing a 1khz 24-bit dithered input s ignal) f igur e 2 t h d+n vs. a mplitude (b r m ) (t hd+n plots meas ured us ing a 1khz 24-bit dithered input s ignal) f igur e 30. t h d+n vs. f r equency (b r m ) free datasheet http:///
ET4334 rev 2.0 2006-04-07 12/13 high-rate mode performance plots - 1 4 0 + 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b r a 2 k 2 0 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k h z 2 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k - 1 4 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 + 0 d b r a h z 2 0 k + 0 - 1 0 - 2 0 - 3 0 - 4 0 - 5 0 - 6 0 - 7 0 - 8 0 - 9 0 - 1 0 0 - 1 1 0 - 1 2 0 - 1 3 0 - 1 4 0 d b r a 2 k 6 k 4 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k 2 0 k h z - 1 4 0 + 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b r a 2 k 2 0 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k h z 2 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k - 1 4 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 + 0 d b r a h z 2 0 k + 0 - 1 0 - 2 0 - 3 0 - 4 0 - 5 0 - 6 0 - 7 0 - 8 0 - 9 0 - 1 0 0 - 1 1 0 - 1 2 0 - 1 3 0 - 1 4 0 d b r a 2 k 6 k 4 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k 2 0 k h z ( 1 6 k f f t o f a 1 k h z i n p u t s i g n a l ) f i g u r e 3 1 . 0 d b f s f f t ( h r m ) ( 1 6 k f f t o f a 1 k h z i n p u t s i g n a l ) f i g u r e 3 2 . - 6 0 d b f s f f t ( h r m ) - 1 4 0 + 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b r a 2 k 2 0 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k h z 2 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k - 1 4 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 + 0 d b r a h z 2 0 k + 0 - 1 0 - 2 0 - 3 0 - 4 0 - 5 0 - 6 0 - 7 0 - 8 0 - 9 0 - 1 0 0 - 1 1 0 - 1 2 0 - 1 3 0 - 1 4 0 d b r a 2 k 6 k 4 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k 2 0 k h z a u d i o p r e c i s i o n 0 8 / 0 5 / 9 9 1 1 : 1 1 : 3 6 d - a c c i f i m d v s a m p l i t u d e - 1 4 0 + 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b r a 2 k 2 0 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k h z 2 k 4 k 6 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k - 1 4 0 - 1 3 0 - 1 2 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 + 0 d b r a h z 2 0 k + 0 - 1 0 - 2 0 - 3 0 - 4 0 - 5 0 - 6 0 - 7 0 - 8 0 - 9 0 - 1 0 0 - 1 1 0 - 1 2 0 - 1 3 0 - 1 4 0 d b r a 2 k 6 k 4 k 8 k 1 0 k 1 2 k 1 4 k 1 6 k 1 8 k 2 0 k h z ( 1 6 k f f t w i t h n o i n p u t s i g n a l ) f i g u r e 3 3 . i d l e c h a n n e l n o i s e f f t ( h r m ) ( 1 6 k f f t o f i n t e r m o d u l a t i o n d i s t o r t i o n u s i n g 1 3 k h z a n d 1 4 k h z i n p u t s i g n a l s ) f i g u r e 3 4 . t w i n t o n e i m d f f t ( h r m ) - 1 1 0 - 6 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 + 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b f s - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b f s - 6 0 + 0 - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 d b r a - 1 1 0 + 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 d b r a 2 0 2 0 k 5 0 1 0 0 2 0 0 5 0 0 1 k 2 k 5 k 1 0 k h z - 1 1 0 - 1 0 0 - 9 0 - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 + 0 d b r a 2 0 5 0 1 0 0 2 0 0 5 0 0 1 k 2 k 5 k 1 0 k 2 0 k h z 1 0 0 5 0 2 0 0 5 0 0 1 k 2 k 5 k 1 0 k h z 2 0 2 0 k + 0 - 1 0 - 2 0 - 3 0 - 4 0 - 5 0 - 6 0 - 7 0 - 8 0 - 9 0 - 1 0 0 - 1 1 0 d b r a ( t h d + n p l o t s m e a s u r e d u s i n g a 1 k h z 2 4 - b i t d i t h e r e d i n p u t s i g n a l ) f i g u r e 3 5 . t h d + n v s . a m p l i t u d e ( h r m ) ( t h d + n p l o t s m e a s u r e d u s i n g a 1 k h z 2 4 - b i t d i t h e r e d i n p u t s i g n a l ) f i g u r e 3 6 . t h d + n v s . f r e q u e n c y ( h r m ) free datasheet http:///
ET4334 rev 2.0 2006-04-07 13/13 ?? ? ?? sda t a de m/scl k lrck mclk agnd aout r va aout l 1 2 3 4 5 6 7 8 0.1uf 1uf 3.3uf 3.3uf 560 560 267k 267k 10k 10k c c r c= r 4 fs(r l 560) l +560 l r l +5v ET4334 * ? ??? sop8 3.950.10 4.860.10 0.406 1.27 0.200.10 1.450.10 0.203 6.040.20 un it mm 0.550.20 free datasheet http:///

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