product news 1 kotari-yakemachi, nagaokakyo, kyoto 617-8520, japan tel. +81-75-951-8151 http://panasonic.co.jp/semicon products and specifications are subject to change without notice. please ask for the latest product standards to guarantee the satisfaction of your product requirements. , ? overview the AN16995A is a vif/sif signal-processing ic for use in car tv receivers. it adopt a split carrier system that completely separates video and audio processing and includes soft muting, sd, and ot her circuits required for car tv use. it provides superb performance in addition to its extensive functionality. this small size package(qfn) is suitable for small size tuners. ? feature ? split carrier audio detection circuit ? field detection and bandwidth detection soft muting and sd circuit ? pseudo-synchronous detection strongly resistant to field strength fluctuations is used in the vif circuit ? video output pin for diversity detection (no noise inverter required) ? supports fm audio reception (function that turns off the vif system) ? applications car tv improving function s and performance of in-car tvs. vif/sif small package ic for in-car tv receivers AN16995A qfn044-p-0606a new publication, effective from 19 mar. 2004 m0063 0 ae unit : mm 3-c 0.50 r0.30 (1.10) (1.10) 0.80 max (6.00) (6.00) seating plane 1 11 12 22 23 33 34 44 44 34 33 23 22 12 11 1 0.10 0.08 m 0.40 5.00 0.10 0.16 0.06 0.60 0.10 6.20 0.10 5.00 0.10 0.20 0.10 6.20 0.10 (0.48) (0.15) (0.48) (0.63) (0.63) ? block diagram 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 osc rf agc delay sif in rf agc output v reg v cc buffer amp. regulator mixer detector sd detector if agc vif amp. rf agc carrier amp. video amp.2 video amp.1 noise inverter mute amp. 2nd limiter v cont. detector 1st limiter v cont. dc amp. quad detector afc amp. band detector regulator regulator 23 24 25 26 27 28 29 30 31 32 33 v ref video out2 video out1 audio out v cc v ref v ref sd out vif in v cont out1 agc sw vif sw
ground 2 second limiter input soft muting slope adjustment soft muting start point adjustment sif detection coil v cc2 afc output not connected not connected not connected s-meter voltage asc s-meter voltage audio output muting voltage video output 1 video output 2 vif switch agc switch sd detection adjustment vif detection coil 2 vif detection coil 1 v cc1 description gnd2 2ndifin sma2 sma1 quadin v cc2 afcout nc2 nc1 nc4 vconout vasc audioout smtc videoout1 videoout2 vifsw agcsw ssc lc2 lc1 v cc1 pin name vif input 1 vifin1 40 18 ground 1 gnd1 39 17 sif input 2 sifin2 38 16 sif input 1 sifin1 37 15 if agc input ifagc2 36 14 if agc output ifagc1 35 13 rf agc delay adjustment agcdly 34 12 osc 2 osc2 33 11 osc 1 osc1 32 10 v cc3 v cc3 31 9 mixer output mixout 30 8 sd output sdout 29 7 ground 3 gnd3 28 6 first limiter input 1stifin 27 5 first limiter bypass 1stifb 26 4 s-meter voltage adjustment vcontadj 25 3 sif reference voltage vref 24 2 first limiter output siflimout 23 1 not connected nc3 44 22 vif reference voltage vreg 43 21 rf agc output rfagcout 42 20 vif input 2 vifin2 41 19 description pin name pin no. pin no. ? pin descriptions
? absolute maximum ratings 1 v 10.2 v cc1 v cc2 v cc3 supply voltage ma ? i cc supply current 2 mw 229 p d power dissipation 3 c ? 55 to 125 tstg storage temperature 3 c ? 20 to 85 topr operating ambient temperature note unit rating symbol parameter note) 1: the values the condition not exceeding the ab ove absolute maximum ratings and the power dissipation. 2: the power dissipation shown is the value at ta=85 c for the independent ( unmounted )ic package without a heat sink. 3: except for the operation ambient temperature an d storage temperature, all ratings are for ta=25 c. ? operating supply voltage range v cc3 7.2v to 10.0v v cc2 v cc1 supply voltage
? electrical characteristics v cc1 =v cc2 =v cc3 =8v note) 1, ta=25 c 2 c unless otherwise specified. v 2.1 1.7 1.3 f = 10.7 mhz ? v s2 s-meter slope(2) mv[rms] 195 160 125 v in27 = 70 db , f = 10.7 mhz, fm = 1 khz, ? f = 25 khz v os audio detector output db ? 30 24 no modulation, v in37 = 70 db v cg mixer conversion gain v 3.5 3.1 2.7 v p8 sync peak voltage 1 28 41 1.3 0 -2 2.2 ? 6 2.7 1.7 1.7 min 35 53 1.7 0.25 0 2.9 1.0 8 3.1 2.0 2.0 typ 42 65 2.1 0.5 +2 3.6 3.0 ? 3.5 2.3 2.3 max ma v cc1,2,3 = 8.0 v agcsw=0v,vifsw=0v i cc2 circuit current(2) circuit current ma v 34 = 2.5 v,v 36 = 2 v i agcmax rf agc maximum sink current db the frequency at which the output is down -3 db relative to 1 mhz. f c video frequency characteristics a v 34 = 2.5 v,v 36 = 3 v i agcmin rf agc minimum sink current db the input level difference such that v 42 changes from 1.5 v to 7v. g rf rf agc operating sensitivity sif and mixer block v v 34 = 2.5 v,v 36 = 2 v v agcmin rf agc minimum voltage ma v cc1,2,3 = 8.0 v agcsw=5.0v,vifsw=5.0v i cc1 circuit current(1) v f = 10.7 mhz ? v s1 s-meter slope(1) v v p7 sync peak voltage 2 vif block v[p-p] video: 10-step staircase y signal, m = 87.5 % v o7 video detector output 2 v[p-p] video: 10-step staircase y signal, m = 87.5 % v o8 video detector output 1 unit condition symbol parameter
? electrical characteristics (r eference values for design) v cc1 =v cc2 =v cc3 =8v note) 1, ta=25 c 2 c unless otherwise specified. v 5.3 5.0 3.9 v in27 = 100 db v s4 s-meter voltage(4) v 4.5 3.4 2.3 v in27 = 70 db v s3 s-meter voltage(3) db 38 32 ? v o = 0 db the input such that level is reduced by 3 db vlim limiting sensitivity v 0.1 0 -0.1 v in27 :no input state vafc afc offset voltage ? 120 50 20 v 36 = 0 v r o8 video output resistance 1 pf ? 3.2 ? f = 58.75 mhz ci40 vif input capacitance k ? ? 1.8 ? f = 58.75 mhz ri40 vif input resistance v ? 5.0 ? v reg video reference voltage v 2.4 1.7 1.0 v in27 = 40 db v s2 s-meter voltage(2) db ? 38 ? the input such that the sd output becomes over 4.5 v when v 4 = 2 v sds sd sensitivity khz ? 140 ? the bandwidth such that the sd output becomes over 4.5 v when v 4 = 2 v sdw sd bandwidth db ? 56 50 bpf: 10khz to 4 mhz s/n v video signal-to noise ratio 0.05 20 ? ? 30 0 0 103 ? min 0.5 50 0.6 -0.85 36 4 4 108 42 typ 1.1 120 ? ? ? 8 8 ? 49 max v the difference with the sync peak voltage ? v bn black noise detection level % video: 10-step staircase dp differential phase v the difference with the sync peak voltage ? v bnc black noise clamp level db p/c = 2 db, p/s = 12 db im intermodulation distortion sif and mixer block ? v 36 = 0 v r o7 video output resistance 2 v v in27 :no input state v s1 s-meter voltage(1) % video: 10-step staircase dg differential gain vif block db the input level such that v 08 becomes +1 db v vmax maximum allowable vif input db the input level such that v 08 becomes -3 db v vs vif input sensitivity unit condition symbol parameter
? electrical characteristics (r eference values for design) v cc1 =v cc2 =v cc3 =8v note) 1, ta=25 c 2 c unless otherwise specified. v 0.5 ? 0.0 vil 6 vif switch low level (p6) v 5.0 ? 4.5 vih 6 vif switch high level (p6) ? 700 450 260 r o10 audio output resistance v ? 4.1 ? vref sif reference voltage ? 260 160 60 r o12 s-meter output resistance (pin 12) v 0.5 ? 0.0 vil 5 agc switch low level (p5) ? ? 300 ? f = 10.7 mhz ro30 mixer output resistance 4.5 ? 0 48 60 22 ? ? min ? 50 0.2 54 65 30 3.2 2.7 typ 5.0 ? 1.0 ? ? ? ? ? max % fm = 1 khz, ? f = 25 khz thd total harmonic distortion db s/na audio signal-to noise ratio db ? mute soft mute attenuation db v in27 = 70 db , am = 30 % amr am rejection ratio input pins v vih 5 agc switch high level (p5) db vin37 = 22db , no modulation however, s is the output for a 1 khz 100 % modulation. nout s/n sensitivity sif and mixer block (continued) pf f = 54.25 mhz rc37 sif input capacitance k ? f = 54.25 mhz ri37 sif input resistance unit condition symbol parameter
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