~ analog w devices i features 8.bit accuracy - guaranteed monotonic ultra-high speed - dc to 20mhz word rates most economical video aid smallest available complete aid - 5.5" x 4.38" x 0.85" self contained - includes input buffer, encoder, reference, timing, and buffered parallel output applica tions digitize color television at up to three or four times ntsc or pal color subcarrier frequencies video time base correction and frame synchronization radar signal processing real time transient and continuous spectrum analysis general description the analog devices' matv series of aid converters represent a major breakthrough in high-speed aid technology. providing conversion word rates from dc to 11mhz, 16mhz and 20mhz the matv-0811, matv-0816 and matv-0820 are the lowest cost aid converters in their performance class. as complete devices, they require only the addition of external power to accomplish precision video aid conversion. the use of internal hybrid microcircuit construction allows these modular aid's to occupy a volume of only 21 cubic inches. they are housed in metal cases which not only shield the cir- cuits from external rf interference, but aid in efficient heat. dissipation. a choice of analog input voltages is available, in- cluding the industry standard 0 to + 1 v at 7 sq. the encode command input, data ready output, and the digital bit outputs are all ttl compatible. designed to operate from either :!:12v or :!:lsv analog and +sv digital supplies (matv-o811 and matv-o816 also require -s.2v), the matv series dissipate less than 8 watts. their weight is < 10 ounces due to enclosure rather than encapsulation. this technique facilitates rapid, inexpensive factory repair and aids in reliable printed circuit board mounting by the customer without extensive mechan- ical constraints or system engineering. relative dc accuracy is 0.2% of full scale :!:l/2lsb when oper- ating over the frequency range of dc to 20mhz. the matv series is designed to digitize color television signals at rates up to 20mhz and is also ideally suited for other analog to digital conversion requirements, such as radar signal processing, laser pulse analysis, transient analysis, and medical electronics applications where real-time analysis and display of large quan- tities of information are required. a-bit video analog-to-digital converter matv-0811 , -0816, -0820 i "ybr'" gray (ncoders .ot. ils'" i i i i i i i i i 1 i .,} 1 imsbi ana'og '"'at ,"rauee ij data out un'potar' ""o specifications (typical @ +25c and nominal power supply voltages unless otherwise noted) model resolution (fs ~ full scale) lsb weight accuracy (relative) at de monotonicity differential nonlinearity vs temperature linearity and gain vs temperature dynamic characteristics ac linearity @ encode rate' analog input frequency dc to 3.6mhz 3.6mhz to 5.5mhz conversion rate (encode word rate) conversion time' aperture uncertainty (j iner) aperture time signal to noise ratio (rms signal to rrns noise) (peak signal to rms noise) noise power ratio. transient responses overvoltage recovery time. differential gain 7 differential phase bandwidth small signal 3db large signal 3db flat :to.ldb, dc throu~h 16' 120:t20 20 35fi0+i/encode rate 12 inputs voltage range unipolar (pin 5 grounded) bipolar (pin 5 open) impedance (terminated to ground) encode command input" logic levels, ttl compatible v v q impedance (terminated to ground) rise and fall times (10% to 90%) max durationlwidth 50% points (see timing diagram) frequency (random or periodic) q ns ns mm ns max dc to mhz digital data output" format logic levels, ttl drive capability (not short circuit protected) time skew coding data ready output format9 logic levels, ttl drive capability width power requirementsio matv.o811, matv.{)816/matv-{)820 +15v :!:2%/+11.8v to +15.5v -15v :!:2%/-11.8v to -15.5v +5v :!:5%/+5v +5% -5.2v:!:5% ttl loads ns max ns ma max ma max ma max ma max 0 to i :to.5 75 "0" ~ 0 to +0.4v "i" ~ +2.4v to +5v . 75 :t5% 10 10 50% duty cycle ii 20 40 16 20 eight parallel bits nrz (same as encode command) 10 sid 10 schottky 15 10 straight binary (bin) 0 to +70 -55 to +85 10 (same as encode command) 10 std 10 schottky 40:!:10 35:t5 25:!:5 -- ---- 540 70 400 200 n/a temperature range operating (case) storage c c 'same as matv-()sii. notes , applies to a customer specified operating frequency. "0%. outside this range. accuracy may degrade to '0.3%' 1/2lsb. a ac linearity expressed in tentis of sputious in-band signals generaled at specified encode rates. 'pipeline delay not related to encode rate. . dc to 5mhz while noise bw with slot frequency at 500khz. 'time to achieve r-bit (0.2%1 accuracy after f.s. step input. 'for signals not excccdmg 10% overvoltage. the aid will recover to s.bit accuracy within 60n, after the signal returns to the specified range. overvol!age inputs greater than 150% of f.s. may damage input circui? and should be avoided. 'at maximum encode rate. 20 ire unit subcanier. not including quantization effccts. 'consul! factory for other voltage. impedan,e and log;' level options. . the leading edge of the data ready pulse occurs approximately ion, before output data ehanqe<. the trailing edge is rc,ommended for ",obing data into external circuits. ---- rz 210 180 450 280 . for ma tv '{)811, the leading edge of the data ready pulse occurs approximately 15 ns before oucput data changes. the trailing edge is recommended for s db below fs 50 45 mhz max 11 ns 150:t20 ps max :t30 ns 3 db min 48 db min 58 db min 37 ns 50 ns 60 % 3 degrees i mhz 20 mhz 15 mhz 5.5 matv.o816 matv.o820 - ,i .1 . . 0.005 0.01 15 20 obsolete
mechanical outline and dimensions dimensions shown in inches and (mm). 4.38 1111.31 !srialnumilliil 0.040 (1.021 dia gold plated pins 0.75 119.051 long calibi potenti loc. onth 71 264 g --j i-- grid pins are gold pla ted per mil.g.5204. type ii notes: dimensions and location of hold down holes for matv-os20 are shown on the mechanical outline figure below. not available on matv.0611 and -ob16. dot on top indicates position of pin ,. ls5 241 1.65 (41.91-1 .-, 11 1.23 /31.21 -,~ -' ~ calibration potentiometer located on this edge 1.23 ,~.~ l 1 0- 0.31 10.791 top view --1 1.65(41.91 (all i figure 4. typical differential gain of ma tv-o816 operating at 15mhz word rates ordering information each ma tv series aid converter will be calibrated at :!:15v as a standard. order by model number either matv-0811 , matv-0816 or matv-o820. optional versions the matv series aid's are available with a variety of options, including analog input range and impedance, encode command input impedance, encode word rate, power supply voltage cali- bration, etc. any option other than what is shown on the data sheet will have longer delivery, since each non-standard device is built on a per order basis. a complete listing of optional designators is available from either the factory or your local analog devices' sales office. vol. ii, 11-60 analog- to-digital converters --~ figure 5. typical differential phase of ma tv-o816 operating at 15mhz word rates device marking the matv series aid that you order will be marked with a series of alphanumerics which specifically designate the options built into the device. for the standard devices, these will be as follows: ma tv -0811 will be marked ma tv -0811-1-b in-l 5 for older devices, or matv-0811-aai50 for newer devices. matv-0816 will be marked matv-0816-0175 bin 75143150 for older devices, or matv-0816 abbai43150 for newer devices. matv-0820 will be marked matv-0820-0175 bin 75 for older devices, or matv-0820 abaa for newer devices. this information is provided so that there will be no confusion as to why information other than the basic model number ap- pears on the device identification label, which might cause problems at a customers' incoming inspection. ~-- obsolete
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