agamem microelectronics inc. AA8674 preliminary low power videoe amplifier with y-c mixer ? copyright agamem microelectronics inc. www.agamem.com.tw 2008/11/26 agamem microelectronics incoperation reserves th e right to make changes without further notice to any products herein to improve reliability, function or design. agamem does not assume any liability arising out of the application or use of any products or circuit desribed herein; neither does it convey any license under its patent rights, nor the rights of others. 1 desceiption the AA8674 is a low power, 3v operati on video amplifier with y/c mixer and 75 ? driver, which connect tv monitor directly. the AA8674 has mute function, and suitable for energy save products and any low power system. features ? low operating volt age: 3.0 to 5.5v ? internal y/c mix circuit ? y-input: clamp, c-input: bias ? operating current: 9.3ma typ. at v+=3.0v ? operating current at power save: 0.9ma typ. at v+=3.0v ? bipolar technology ? package outline: dfn 3*3 8l application digital camera, dvc and ot her video amplifier system block diaglam
agamem microelectronics inc. AA8674 preliminary low power videoe amplifier with y-c mixer ? copyright agamem microelectronics inc. www.agamem.com.tw 2008/11/26 agamem microelectronics incoperation reserves th e right to make changes without further notice to any products herein to improve reliability, function or design. agamem does not assume any liability arising out of the application or use of any products or circuit desribed herein; neither does it convey any license under its patent rights, nor the rights of others. 2 pin description pin no. pin name pin function 1 yin composite y input signal is clamped input 2 gnd ground 3 vout y/c mix output. 4 vsag sag correction to reduce the capacitance of output coupling capacitor 5 vcc power supply 6 power save output is muted as this pin is set to low 7 cmute only chrominance output signal is muted as this pin is set to high 8 cin chrominance c input signal is bias input absolute maximum ratings ta=25 parameter symbol rating unit supply voltage v+ 7.0 v power dissipation pd 320 mw operating temperature range topr -40 ~ +85 storage temperature r ange tstg -40 ~ +125 note: stress above those listed under ?absolute maxi mum rating? may cause permanent damage to the device. this is a stress rating only and functional oper ation of the device at t hese or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for the extended period s of time may affect device reliability.
agamem microelectronics inc. AA8674 preliminary low power videoe amplifier with y-c mixer ? copyright agamem microelectronics inc. www.agamem.com.tw 2008/11/26 agamem microelectronics incoperation reserves th e right to make changes without further notice to any products herein to improve reliability, function or design. agamem does not assume any liability arising out of the application or use of any products or circuit desribed herein; neither does it convey any license under its patent rights, nor the rights of others. 3 electrical characteristics v + =3.0v,ta=25 c symbol parameter conditions limits min typ max unit vopr operating voltage 3.0 5.5 v iccq operating current no signal - 9.3 14.0 ma iccs operating current power save mode - 0.9 1.4 ma vom maximum output voltage f=1khz,thd=1% 2.2 - - vpp gv voltage gain yin=100khz, 0.52vpp 11.9 12.4 12.9 db gf frequency characteristic yin=10mhz/100khz, 0.52vpp -1.0 0 +1.0 db dg differential gain yin=0.52vpp,10step video signal - 2.5 - % dp differential phase yin=0.52vpp,10step video signal - 1.0 - deg ct chroma mute cross talk cin=4.43mhz,0.1vpp - -65 - db snv s/n yin=0.52vpp, 100% white video signal , cin=ac gnd wide band 100khz to 6mhz,r l =75ohm - -60 - db hv second distortion yin=0.52vpp,3.58 mh z red field video signal, cin=ac gnd r l =75ohm - -40 - db zinc input resistance chroma input 12 20 24 k vthmh 1.4 - v+ vthml mute witch change voltage 0 - 0.6 v vthph 1.4 - v+ vthpl power save switch change voltage 0 - 0.6 v
agamem microelectronics inc. AA8674 preliminary low power videoe amplifier with y-c mixer ? copyright agamem microelectronics inc. www.agamem.com.tw 2008/11/26 agamem microelectronics incoperation reserves th e right to make changes without further notice to any products herein to improve reliability, function or design. agamem does not assume any liability arising out of the application or use of any products or circuit desribed herein; neither does it convey any license under its patent rights, nor the rights of others. 4 control terminal explanation parameter status note h chroma mute : on l chroma mute : off chroma mute open chroma mute : off h power save : off l power save : on power save open power save : on test circuit
agamem microelectronics inc. AA8674 preliminary low power videoe amplifier with y-c mixer ? copyright agamem microelectronics inc. www.agamem.com.tw 2008/11/26 agamem microelectronics incoperation reserves th e right to make changes without further notice to any products herein to improve reliability, function or design. agamem does not assume any liability arising out of the application or use of any products or circuit desribed herein; neither does it convey any license under its patent rights, nor the rights of others. 5 ordering information order no. package packing one reel q?ty mark chart AA8674d dfn 3*3 8l tape & reel 2,500ea package dimension dfn 3*3 8l 8674 xxxx d
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