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september 2003 1/24 version 4.1 STV9553 10.5 ns triple-channel high voltage video amplifier features n triple-channel video amplifier n supply voltage up to 115 v n 80v output dynamic range n perfect for picture boost application requiring high video amplitude n pinning for easy pcb layout n supports dc coupling (optimum cost saving) and ac coupling applications. n built-in voltage gain: 20 (typ.) n bandwidth: 33 mhz (typ.) n very low stand-by power consumption n perfectly matched with the stv921x preamplifiers description the STV9553 is a triple-channel video amplifier designed in a 120v-high voltage technology and able to drive in dc-coupling mode the 3 cathodes of a crt monitor. the STV9553 supports picture boost applications where video amplitude up to 50v or above is required, ensuring a maximum quality of the still pictures or moving video. perfecly matched with the stv921x st preamplifiers, it provides a highly performant and very cost effective video system. pin connections clipwatt 11 order code: STV9553 (plastic package) 1 2 3 4 5 6 7 8 9 10 11 out1 out2 out3 gndp gnda in3 v dd gnds v cc in2 in1 1
table of contents 2 2/24 1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6 theory of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6.1 general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6.2 output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7 power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 8 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 9 internal schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 10 application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 10.1 how to choose the high supply voltage value (vdd) in dc coupling mode . . . . . . . . 12 10.2 arcing protection: schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 10.3 arcing protection: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 10.4 video response optimization: schematics in dc-coupling mode . . . . . . . . . . . . . . . . . 14 10.5 video response optimization: outputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 10.6 video response optimization: inputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 10.7 video response optimization: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . 15 10.8 ac - coupling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 10.9 stand-by mode, spot suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10.10 conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 11 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2
STV9553 3/24 1 block diagram 2 pin description pin name function 1 in1 video input (channel 1) 2 in2 video input (channel 2) 3 vcc low supply voltage 4 in3 video input (channel 3) 5 gnda ground analog 6 gnds ground substrat 7 vdd high supply voltage 8 gndp ground power 9 out3 video output (channel 3) 10 out2 video output (channel 2) 11 out1 video output (channel 1) STV9553 9 11 7 3 out3 gndp out2 out1 vdd vcc v ref 10 8 v dd gndp vdd gndp 2 4 in3 in2 in1 gnda gnds 5 6 1 3
STV9553 4/24 3 absolute maximum ratings 4 thermal data symbol parameter value unit v dd high supply voltage 120 v v cc low supply voltage 16.5 v v esd esd susceptibility human body model (100pf discharged through 1.5k w) eiaj norm (200pf discharged through 0 w) 2 300 kv v i od output source current (pulsed < 50 m s) 80 ma i og output sink current (pulsed < 50 m s) 80 ma v in max maximum input voltage v cc + 0.3 v v in min minimum input voltage - 0.5 v t j junction temperature 150 c t stg storage temperature -20 + 150 c symbol parameter value unit r th (j-c) junction-case thermal resistance (max.) 3 c/w r th (j-a) junction-ambient thermal resistance (typ.) 35 c/w 3
STV9553 5/24 5 electrical characteristics note 1: the STV9553 goes into stand-by mode when vcc is switched off (<1.5v). in stand-by mode, vout is set to low level. note 2: matching measured between each channel. note 3: pulsed current width < 50 m s symbol parameter test conditions min. typ max unit supply parameters (v cc = 12v, v dd = 110v, tamb = 25 c, unless otherwise specified) v dd high supply voltage 20 110 115 v v cc low supply voltage 10 12 15 v i dd v dd supply current v out = 50v 15 ma i dds v dd stand-by supply current v cc : switched off (<1.5v) v out : low ( note 1 ) 60 m a i cc v cc supply current v out = 50v 40 ma static parameters (v cc = 12v, v dd = 110v, tamb = 25 c) v out dc output voltage v in =1.90 v 77 80 83 v dv out /dv dd high voltage supply rejection v out = 50v 0.5 % dv out /dt output voltage drift versus temperature v out = 80v 15 mv/c d d v out /dt output voltage matching versus temperature ( note 2 ) v out = 80v 1 mv/c r in video input resistor v out = 50v 2 k w v sath output saturation voltage to supply i 0 = -60ma ( note 3 ) v dd - 6.5 v v satl output saturation voltage to gnd i 0 = 60ma ( note 3 )11v g video gain v out = 50v 20 le linearity error 17 v STV9553 6/24 electrical characteristics (continued) note 4: matching measured between each channel. note 5: picture boost condition (video amplitude at 50v or above) is used in some applications when displaying still picture or moving video. in this condition the high level of contrast improves the pictures quality at the expense of the video performances (t r , t f and overshoot) which are slightly deteriorated. figure 1. ac test circuit symbol parameter test conditions min. typ max unit dynamic parameters (see figure 1 ) t r rise time v dc =50v, d v=40v pp 9.8 ns t f fall time v dc =50v, d v=40v pp 11.8 ns os r overshoot, white to black transition 5 % os f overshoot, black to white transition 0 % d g low frequency gain matching ( note 4 )v dc = 50v, f=1mhz 5 % bw bandwidth at -3db v dc =50v, d v=20v pp 33 mhz t set 2.5% settling time v dc =50v, d v=40v pp 15 ns ct l low frequency crosstalk v dc =50v, d v=20v pp f = 1 mhz 50 db ct h high frequency crosstalk v dc =50v, d v=20v pp f = 20mhz 32 db dynamic parameter in picture boost condition ( note 5 ) t pb rise/fall time v dc =50v, d v=60v pp 15 ns os pb overshoot white to black or black to white transition v dc =50v, d v=60v pp 9% STV9553 50 w in c l =8pf gndp out r p = 300 w 11 7 3 v dd v cc 110v 12v d v v dc v ref 8 1 5 gnda 3
STV9553 7/24 6 theory of operation 6.1 general the STV9553 is a three-channel video amplifier supplied by a low supply voltage: v cc (typ.12v) and a high supply voltage: v dd (up to 115v). the high values of v dd supplying the amplifier output stage allow direct control of the crt cathodes (dc coupling mode). in dc coupling mode, the application schematic is very simple and only a few external components are needed to drive the cathodes. in particular, there is no need of the dc-restore circuitry which is used in classical ac coupling applications. the output voltage range is wide enough ( figure 2 ) to provide simultaneously : C cut-off adjustment (typ. 25v) C video contrast (typ. up to 40v), C brightness (with the remaining voltage range). in normal operation, the output video signal must remain inside the linear region whatever the cut-off, brightness and contrast adjustments are. figure 2. output signal, level adjustments (a) top non-linear region linear region v dd (e) bottom non-linear region gnd blanking pulse video signal (b) cut-off adjust. (25v typ.) (c) brightness adjust. (10v typ.) (d) contrast adjust. (40v typ.) 15v 17v 3
STV9553 8/24 6.2 output voltage a very simplified schematic of each STV9553 channel is shown in figure 3 . the feedback network of each channel is integrated with a typical built-in voltage gain of g=20 (40k/2k). the output voltage v out is given by the following formula: v out =( g +1) x v ref - ( g xv in ) for g = 20 and v ref = 5.6v, we have v out =117.6-20xv in figure 3. simplified schematic of one channel 2k 40k gndp v dd in v ref gnda + - out
STV9553 9/24 7 power dissipation the total power dissipation is the sum of the static dc and the dynamic dissipation: p tot = p stat + p dyn . the static dc power dissipation is approximately: p stat = v dd x i dd + v cc x i cc the dynamic dissipation is, in the worst case (1 pixel on/ 1 pixel off pattern): p dyn = 3 v dd x c l x v out(pp) x f x k (see note 6 ) where f is the video frequency and k the ratio between the active line and the total horizontal line duration. example: for v dd = 110v, v cc = 12v, i dd = 15ma, i cc = 40ma, v out =40v pp , f = 25mhz, c l = 8pf and k = 0.72. we have: p stat = 2.13w and p dyn = 1.90w therefore: p tot =4.03w. note 6: this worst thermal case must only be considered for tjmax calculation. nevertheless, during the average life of the circuit, the conditions are closer to the white picture conditions.
STV9553 10/24 8 typical performance characteristics v dd =110v, v cc =12v, c l =8pf, r p =300 w , d v=40v pp , unless otherwise specified - see figure 1 figure 4. STV9553 pulse response figure 5. v out versus v in figure 6. power dissipation versus frequency figure 7. speed versus temperature figure 8. speed versus offset figure 9. speed versus load capacitance 0 20 40 60 80 100 120 0123456 vin (v) vout (v) 0.00 1.00 2.00 3.00 4.00 5.00 10 20 30 frequency (mhz) (72% active time) power dissipation (w) vdd=90v vdd=100 vdd=110v
STV9553 11/24 9 internal schematics figure 10. rgb inputs figure 11. rgb outputs figure 12. vdd figure 13. vcc figure 14. gndp figure 15. gnda vcc in pins 1, 2, 4 gnds out vdd pins 9, 10, 11 gnds gnds vdd vcc gnds gnds gndp gnda gnds
STV9553 12/24 10 application hints 10.1 how to choose the high supply voltage value (v dd ) in dc coupling mode the v dd high supply voltage must be chosen carefully. it must be high enough to provide the necessary video adjustment but set to minimum value to avoid unecessary power dissipation. example (see figure 2 ): the following example shows how the optimum v dd voltage value is determined: C cut-off adjustment range (b) : 25v C max contrast (d) : 40v case 1: 10v brightness (c) adjusted by the preamplifier : v dd =a+b+c+d+e v dd = 15v + 25v + 10v + 40v + 17v = 107v case 2: 10v brightness (c) adjusted by the g1 anode: v dd =a+b+d+e v dd =15v+25v+40v+17v=97v 10.2 arcing protection: schematics as the amplifier outputs are connected to the crt cathodes, special attention must be given to protect them against possible arcing inside the crt. protection must be considered when starting the design of the video crt board. it should always be implemented before starting to adjust the dynamic video response of the system. the arcing network that we recommend (see figure 16 ) provides efficient protection without deteriorating the amplifier video performances. the total resistance between the amplifier and the crt cathode (r10+r11) protects the device against overvoltages. we recommend to use r10+r11 > 300 w . spark gaps are strongly recommended for arcing protection.
STV9553 13/24 figure 16. arcing protection network (one channel) 10.3 arcing protection: layout and decoupling several layout precautions have to be considered to get the optimum arcing protection: sparkgap grounding : when an arc occurs, the energy must flow through the crt ground without reaching the amplifier. this is obtained by connecting the sparkgap grounding (point b) to the crt ground (socket) via a wide/short trace. conversely the point b must be connected to the amplifier ground via a longer/narrower trace. grounding separation : in order to set apart the amplifer ground and crt ground, the r29/c29 net- work ( figure 16 ) can be used. amplifier grounding : the 3 grounds gnds, gnda and gndp must be connected together as close as possible to the device. r11 r29(***) 150 w /0.5w c18 100nf c24 4.7 m f/150v c12(*) 100nf/250v r19(**) r10 150 w /0.5w l1 0.33 m h d12 fdh400 f1 STV9553 v dd out spark gap ( * ): to be connected as close as possible to the device (**): r19 must be mandatorily used (***): ground separation network 33-40 w 200v c29(***) 0.22 m f 1-10 w crt gndp gnds gnda d13 fdh400 v dd a b
STV9553 14/24 10.4 video response optimization: schematics in dc-coupling mode the dynamic video response is optimized by carefully designing the supply decoupling of the video board (see section 10.7), the tracks (see section 10.7), then by adjusting the input/output component network (see section 10.5). for dynamic measurements such as rise/fall time and bandwidth, a 8pf load is used (total load including the parasitic capacitance of the pc board and crt socket). when used in kit with the stv921x preamplifier from st, the preamplifier bandwidth register (bw, register 13) must be set to minimum (o dec) for an application with t r /t f >5.5ns. figure 17. video response optimization for one channel - dc coupling application c11 4.7 m f r10 l1 r11 crt out v cc stv921x STV9553 in 150 w 150 w 0.33 m h v ref c10(*) 100nf - + r1(**) 51 w c1 1.5nf reference out c2 10pf r1 82 w l1 0.33 m h input network #2 c2 10pf r1 33 w input network #3 in in c24 4.7 m f v dd c12(*) 100nf r19(***) 33-40 w 2 other input networks (network #2 and #3 below) can be used in replacement of the reference input network #1. c2 15pf caution: for application with tr/tf>5.5ns, the preamplifier bandwidth register (bw, register 13) must be set to minimum value (0 dec) ( * ): to be connected as close as possible to the device ( ** ): r1 must be not be higher than 100 w (***): r19 must be mandatorily used see application note an1510 for complete description. input network #1 v dd gndp gnds gnda
STV9553 15/24 10.5 video response optimization: outputs networks the output network (r10/l1/r11) is used to adjust the amplifier video performances. once r10 and r11 resistors are set to protect the application against arcing (r10 + r11>300 w ), it is possible to increase the bandwidth by increasing l1. 10.6 video response optimization: inputs networks the input network also plays an important role in the device dynamic behaviour. we recommend to use the reference input network #1, which is described in figure 17 , but 2 other networks (#2 and #3) can be used to better match the required performances and the video board layout. refer to the application note referenced an1510 for the complete description of these input networks. 10.7 video response optimization: layout and decoupling the decoupling of v cc and v dd through good quality hf capacitors (respectively c10 and c12) close to the device is necessary to improve the dynamic performance of the video signal. careful attention has to be given to the three output channels of the amplifier. capacitor : the parasitic capacitive load on the amplifier outputs must be as small as possible. figure 9 from section 8 clearly shows the deterioration of the t r / t f when the capacitive load increases. reducing this capacitive load is achieved by moving away the output tracks from the other tracks (especially ground) and by using thin tracks (<0.5mm), see figure 17 . cross talk : output and input tracks must be set apart. the STV9553 pin-out allows the easy separa- tion of input and output tracks on opposite sides of the amplifier (see figure 21 ). length : connection between amplifier output and cathode must be as short and direct as possible.
STV9553 16/24 10.8 ac - coupling mode the STV9553 can be used in ac-coupling mode in kit with the tda9207/9212 preamplifier from st. as for the dc-coupling mode, the STV9553 drives perfectly the video signal in picture boost conditions. a typical schematic is given on the figure 18 below. figure 18. video response optimization for one channel - ac coupling application the advantage of such an architecture is to use smaller v dd and therefore to have smaller power consumption. this is due to the fact that the STV9553 provides only the video signal and not the cut-off adjustment. the disadvantage is to have an application with more components (dc restore circuitry). note that it is mandatory to keep the output video signal (point c) inside the linear area of the amplifier (from 17v to v dd - 15v). c24 4.7 m f c11 4.7 m f r10 l1 r11 crt out v cc v dd tda9207 STV9553 in 150 w 150 w 0.33 m h v ref c10(*) 100nf c12(*) 100nf - + dc restore circuitry cut-off v restore c1 1 m f out r19(***) 33-40 w caution: for application with tr/tf>5.5ns, the preamplifier bandwidth register (bw, register 13) must be set to minimum value (0 dec) ( * ): to be connected as close as possible to the device ( ** ): r1 must be not be higher than 100 w (***): r19 must be mandatorily used (****): input networks #2 and #3 can be used as well c v dd gndp gnds gnda r1(**) 51 w c1 1.5nf reference c2 10pf input network #1 (****)
STV9553 17/24 10.9 stand-by mode, spot suppression the usual way to set a monitor in stand-by mode is to switch-off the vcc (12v). the STV9553 has an extremely low power consumption (i dds = 60a when v cc <1.5v) in stand-by mode and the outputs are set to low level (white picture). to avoid the display of a spot effect during the switch-off phase, it is necessary to adjust the g1 circuitry (resistors rx and cx, see figure 19 ) to pull the g1 voltage to low value during a sufficient time duration. figure 19. stand-by mode, spot effect rx cx typical g1 generator circuitry case #2 : high rx.cx case #1 : low rx.cx g1 a spot might appear during no spot effect the switch-off phase eht (27kv) cathode g1 r1 -120v -30v 0v -30v -120v +80v
STV9553 18/24 10.10 conclusion video response is always a compromise between several parameters. for example, the rise/fall time improvement leads to the overshoot deterioration. the recommended way to optimize the video response is: 1 to set r10+r11 for arcing protection (min. 300 w ) 2. to adjust r20 and r10+r11. increasing their value increases the t r / t f values and decrease the overshoot 3. to adjust l1 increasing l1 speeds up the device but increases the overshoot. 4. to adjust the input network for the final dynamic tunning (e.g.: critical damping) we recommend our customers to use the schematic shown on figure 23 as a starting point for the video board and then to apply the optimization they need.
STV9553 19/24 figure 20.STV9553/9555/9556 + tda9210/stv9211 + stv9936 s/p dc-coupling demonstration board: silk screen and trace
STV9553 20/24 figure 21. outputs trace (from figure 19) figure 22. crt socket trace (from figure 19)
STV9553 21/24 figure 23. STV9553/55/56 + stv9936 + tda9210/stv9211 dc-coupling demo - board schematic gndp abl r4 2.7 w 5v d1 1n4148 d3 1n4148 blue r3 75 w j1 video 1 2 3 4 5 6 r5 75 w r10 75 w d6 1n4148 d8 1n4148 d4 1n4148 d5 1n4148 r2 15 w r8 15 w r12 15 w r16 2.7 w green red c4 c3 100nf 100nf c9 100nf c6 100nf c22 100nf 10 osd3 fblk 11 osd2 scl osd1 sda vcca out3 gnda in3 out2 gndl vccp in2 out1 abl hs/clp in1 blk 1 2 3 4 5 6 7 8 9 20 19 18 17 16 15 14 12 13 r47 100 w r40 100 w c5 100nf c26 100pf r25 100 w r1 100 w hs blk c1 100pf r11 2.7 w 8v c31 1.5nf r9 51 w c33 1.5nf r13 51 w c36 1.5nf r17 51 w c23 10pf c25 10pf 5v r19 2.7k w r21 2.7k w scl c13 100pf sda c12 100pf i2c 5v 1 2 3 4 j10 r28 0 w c21 10nf/250v optional 110v gnd j7 1 2 3 tda9210 hs1 radab20 c16 47f/25v c15 47f/25v 5v 8v 12v 110v c27 47f/25v abl j16 power 1 2 3 4 5 6 7 8 r37 51 w zd1 3v0 c27 47f/25v g1 heater vs hs hfly 7 6 5 4 3 2 1 sync j17 r46 5.6k w c35 10nf r45 15k w r44 5.6k w c34 10nf r43 1m w l4 1h c37 100f/25v c2 100nf rp vco avdd r36 330 w r32 330 w r33 330 w r34 330 w 9 16 15 14 13 12 11 10 stv9936s/p 1 2 3 4 5 6 7 8 c32 100f/25v c28 100nf l5 1h 3.3v r41 100 w r35 100 w r39 100 w r38 100 w sda scl vs hfly sda scl vs hfly dvdd dvss test ovdd rout gout bout fblk avdd vco rp avss 12v c8 47f/25v c7 100nf c10 10nf/250v c18 4.7f/160v r29 39 w 110v r6 110 w /0.25w 110v d2 fdh400 d10 fdh400 110v d7 fdh400 d12 fdh400 d9 fdh400 d13 fdh400 r14 110 w /0.25w r22 110 w /0.25w l1 0.33h l2 0.33h l3 0.33h r7 110 w /0.25w r15 110 w /0.25w r23 110 w /0.25w rk gk bk f2 200v f4 200v f1 200v 3 7 vcc vdd in1 out1 in2 out2 in3 out3 gnda gnds gndp 1 2 4 11 10 9 5 6 8 r g b crt small neck heater c14 100nf c19 f3 1.5 w r31 30 w /0.5w j8 g2 r27 150 w /0.25w d11 1n4004 c20 4.7nf/1kv 4.7nf/2kv 10 9 5 7 1 12 h1 h2 g1 g2 gnd gnd evalcrt52/stv955x demoboard (ab25) version 1.4 rev. c wednesday october 3, 2001 stmicroelectronics monitor business unit - video application cmg - imaging and display division (idd) 12, rue jules horowitz - b.p. 217 38019 grenoble cedex - france 5v 5v 3.3v 3.3v u3 u1 10pf c24 STV9553 u2 110v g1 blk
STV9553 22/24 11 package mechanical data 11 pin - clipwatt dimensions millimeters inches min. typ. max. min. typ. max. a 2.95 3 3.05 0.116 0.118 0.12 b 0.95 1 1.05 0.037 0.039 0.041 c - 0.15 - - 0.006 - d 1.3 1.5 1.7 0.051 0.059 0.061 e 0.49 0.515 0.55 0.0.019 0.02 0.021 f 0.78 0.8 0.86 0.03 0.031 0.034 f1 - 0.05 0.1 - 0.002 0.004 ( 6 ) g 1.6 1.7 1.8 0.063 0.067 0.071 g1 16.9 17 17.1 0.665 0.669 0.673 h1 - 12 - - 0.472 - h2 18.55 18.6 18.65 0.73 0.732 0.734 h3 19.9 20 20.1 0.783 0.787 0.791 ( 5 ) l 17.7 17.9 18.1 0.696 0.704 0.712 l1 14.35 14.55 14.65 0.564 0.572 0.576 l2 10.9 11 11.1 0.429 0.433 0.437( 5 ) l3 5.4 5.5 5.6 0.212 0.216 0.22 m 2.34 2.54 2.74 0.092 0.1 0.107 m1 2.34 2.54 2.74 0.092 0.1 0.107 r 1.45 - - 0.057 - - v1 h3 h2 h1 r2 r r1 l2 l3 s lead#1 g g1 f1 f shaded area ewposed from plastic body typical 30 m m m m1 e v r3 r3 r3 b d l1 v1 v1 v2 c v1 a
STV9553 23/24 note 5: h3 and l2 do not include mold flash or protrusions mold flash or protrusions shall not exceed 0.15mm per side. note 6: no intrusions allowed inwards the leads critical dimensions: lead split (m1) total length (l) r1 3.2 3.3 3.4 0.126 0.13 0.134 r2 - 0.3 - - 0.012 - r3 - 0.5 - - 0.019 - s 0.65 0.7 0.75 0.025 0.027 0.029 v 10deg. 10deg. v1 5deg. 5deg. v2 75deg. 75deg. dimensions millimeters inches min. typ. max. min. typ. max.
STV9553 24/24 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. the st logo is a trademark of stmicroelectronics. ? 2003 stmicroelectronics - all rights reserved purchase of i2c components of stmicroelectronics, conveys a license under the philips i2c patent. rights to use these components in a i2c system, is granted provided that the system conforms to the i2c standard specifications as defined by philips. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong-kong - italy - japan - malaysia - malta - morocco singapore- the netherlands - singapore - spain - sweden - switzerland - united kingdom - u.s.a. http://www.st.com 4

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