unisonic technologies co., ltd a6058 linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2009 unisonic technologies co., ltd qw-r110-005,b fm front-end ? description the utc a6058 is designed for a fm front-end application, which is suitable to a portable radio or a radio cassette. comparing with conventional ty pes, supply voltage dependence, overload characteristics and spurious radiation characteristics are improved. ? features * excellent supply voltage dependence of local oscillator: oscillator stop v cc =0.9v(typ) * improved inter-modulation characteristics by double balanced type mixer circuit * low spurious radiation * wide operating voltage range( 1.6v ~ 6v) lead-free: a6058l halogen-free: a6058g ? ordering information ordering number normal lead free plating halogen free package packing A6058-G09-T a6058l-g09-t a6058g-g09-t sip-9 tube
a6058 linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r110-005,b ? block diagram
a6058 linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r110-005,b ? absolute maximum rating (ta=25 unless otherwise specified) parameter symbol ratings unit supply voltage v cc 8 v power dissipation p d 500 mw operating temperature t opr -25 ~ +75 storage temperature t stg -55 ~ +150 note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (ta=25 , v cc =5v, f=83mhz, fm=1khz, ? f=22.5khz, unless otherwise specified) parameter symbol test circuit test conditions min typ max unit quiescent current iq v in =0 5.2 8 ma -3db limiting sensitivity v in(limit) 2 -3db 3 7 db quiescent sensitivity qs 2 11 db conversion gain gc 31 db local osc voltage v osc 1 f osc =60mhz 90 165 220 mv rms pin 1 input r ip1 3 57 ? impedance parallel resistance output c op1 pf pin 3 input r ip3 3 f=83mhz 25 ? impedance parallel resistance output c op3 2 pf pin 4 input r ip4 3 2.7 ? impedance parallel resistance output c op4 3.3 pf pin 6 input r ip6 3 f=10.7mhz 100 ? impedance parallel resistance output c op6 4.8 pf local osc stop voltage v stop 1 0.9 1.3 v
a6058 linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r110-005,b ? test circuits test circuit 1 test circuit 2 0.01 f 0.01 f
a6058 linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r110-005,b ? test circuits(cont.) test circuit 3 3 6 9 1 5 2 1kpf 0.01 f h l vcc rx meter (a) r ip1 6 9 3 5 2 h l vcc rx meter (b) r op3 ,c op3 3 6 9 4 5 2 h l vcc rx meter (c) r ip4 ,c ip4 3 69 5 2 h l vcc rx meter (d) r op6 ,c op6 utc a6058 utc a6058 utc a6058 utc a6058 0.01 f 0.01 f 0.01 f 1kpf 0.01 f 0.01 f 1kpf 0.01 f 0.01 f 1kpf ? test circuit coil data coil f o q o turns capacitance t1 rf coil 100mhz 100 0.7mm?,2.25t center tap 15pf t2 osc coil 100mhz 100 0.7mm?,2.5t 15pf t3 ift 10.7mhz 115 (1) ~ (3) 2t (4) ~ (6) 1t ?0.12mm 75pf t4 quad coil 10.7mhz 150 (4) ~ (6) 14t ?0.12mm 47pf
a6058 linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r110-005,b utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
|
