unisonic technologies co., ltd ulv1012 preliminary cmos ic www.unisonic.com.tw 1 of 7 copyright ? 2016 unisonic technologies co., ltd qw-r107-073.a analog series: pre-amplified ic's for high gain 2-wire microphones ? description the utc ulv1012 is high gain, high impedance per-amplifier which is designed to replace the jfet amplifier currently being used. the utc ulv1012 audio amplifiers are specified to operate over a 2.2v to 5.0v supply volt age range with fixed gains of 7.8db, 15.6db, 20.9db, and 23.8db. the devices offer excellent thd, gain accuracy and temperature stab ility as compared to a jfet microphone. the utc ulv1012 series is ideally suited for applications requiring high signal integrity in the presence of ambient or rf noise, such as in cellular communications. the utc ulv1012 suited for use in headsets, mobile communications, automotive accessories, pdas, accessory microphone products and telephone electret condenser microphones (ecm). ? features * typical ulv1012-15, 2.2v supply, r l =2.2k ? , c=2.2 f, v in =18mv pp , unless otherwise specified * supply voltage: 2v ~ 5v * supply current: <180 a * voltage gain ? ulv1012-07: 7.8db ? ulv1012-15: 15.6db ? ulv1012-20: 20.9db ? ulv1012-25: 23.8db * temperature range: ? 40c~85c sot-26 4 5 3 2 1 6 ? ordering information ordering number package packing ulv1012g-xx-ag6-r sot-26 tape reel
ulv1012 preliminary cmos ic unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r107-073.a ? marking information package voltage gain marking sot-26 07: 7.8db 15: 15.6db 20: 20db 25: 23.8db ? pin configuration 6 5 4 1 2 3 gnd nc gnd input nc output note: pin numbers are referenced to package marking text orientation. the actual physical placement of the package marking will vary slightly from part to part. the package will designate the date code and will vary c onsiderably. package marking does not correlate to device type in any way. ? pin description pin no. pin name description 1, 4 nc 2, 5 gnd ground 3 output output voltage 6 input input voltage
ulv1012 preliminary cmos ic unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r107-073.a ? block diagram - + - + 6 input 2/5 3 gnd output
ulv1012 preliminary cmos ic unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r107-073.a ? absolute maximum rating (note 1) parameter symbol ratings unit supply voltage v dd -gnd v dd 5.5 v human body model 2500 v esd tolerance (note 2) machine model esd 250 v junction temperature (note 3) t j 150 c storage temperature range t stg -65 ~ +150 c mounting temperature infrared or convection (20 sec.) 235 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operati on is not implied. for ensured specifications and th e test conditions, see the 5v electrical characteristics . 2. human body model (hbm) is 1.5k ? in series with 100pf. 3. the maximum power dissipation is a function of t j(max) , ja and t a . the maximum allowable power dissipation at any ambient temperature is p d =(t j(max) -t a )/ ja . all numbers apply for packages soldered directly into a pc board. ? operating rating parameter symbol ratings unit supply voltage v dd 2 ~ 5 v temperature range t j -40 ~ +85 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and fu nctional device operation is not implied. for ensured specifications and the test conditions, see the 5v electrical characteristics . ? 2.2v electrical characteristics (note 1) (unless otherwise specified, all limits are specified for t j =25c, v dd =2.2v, v in =18mv, r l =2.2k ? and c=2.2 f. boldface limits apply at the te mperature extremes.) parameter symbol test conditions min (note 2) typ (note 3) max (note 2) unit 139 250 a ulv1012-07 300 a 180 300 a ulv1012-15 325 a 160 250 a ulv1012-20 300 a 141 250 a supply current i dd v in =gnd ulv1012-25 300 a ulv1012-07 59 db ulv1012-15 60 db ulv1012-20 61 db signal to noise ratio snr f=1khz, v in =18mv, a-weighted ulv1012-25 61 db ulv1012-07 170 mv pp ulv1012-15 100 mv pp ulv1012-20 50 mv pp max input signal v in f=1khz and thd+n<1% ulv1012-25 28 mv pp
ulv1012 preliminary cmos ic unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r107-073.a ? 2.2v electrical characteristics (cont.) parameter symbol test conditions min (note 2) typ (note 3) max (note 2) unit 1.65 1.90 2.03 v ulv1012-07 1.54 2.09 v 1.54 1.81 1.94 v ulv1012-15 1.48 2.00 v 1.65 1.85 2.03 v ulv1012-20 1.55 2.13 v 1.65 1.90 2.02 v output voltage v out v in =gnd ulv1012-25 1.49 2.18 v lower ? 3db roll off frequency f low r source =50 ? 65 hz upper ? 3db roll off frequency f high r source =50 ? 95 khz ulv1012-07 -96 dbv ulv1012-15 -89 dbv ulv1012-20 -84 dbv output noise e n a-weighted ulv1012-25 -82 dbv ulv1012-07 0.10 % ulv1012-15 0.09 % ulv1012-20 0.12 % total harmonic distortion thd f=1khz, v in =18mv ulv1012-25 0.15 % input capacitance c in 2 pf input impedance z in >1000 g ? 6.4 7.8 9.5 db ulv1012-07 5.5 10.0 db 14.0 15.6 16.9 db ulv1012-15 13.1 17.5 db 19.5 20.9 22.0 db ulv1012-20 17.4 23.3 db 22.5 23.8 25.0 db gain a v f=1khz, r source =50 ? ulv1012-25 21.4 25.7 db notes: 1. electrical table values apply only for factory te sting conditions at the temperat ure indicated. factory testing conditions result in very limited self -heating of the device such that t j =t a . no specification of parametric performance is indicated in the electrical tables under conditions of internal self-heating where t j >t a . 2. all limits are specified by design or statistical analysis. 3. typical values represent t he most likely parametric norm.
ulv1012 preliminary cmos ic unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r107-073.a ? 5v electrical characteristics (note 1) (unless otherwise specified, all limits are specified for t j =25c, v dd =5v, v in =18mv, r l =2.2k ? and c=2.2 f. boldface limits apply at the te mperature extremes.) parameter symbol test conditions min (note 2) typ (note 3) max (note 2) unit 158 250 a ulv1012-07 300 a 200 300 a ulv1012-15 325 a 188 260 a ulv1012-20 310 a 160 250 a supply current i dd v in =gnd ulv1012-25 300 a ulv1012-07 59 db ulv1012-15 60 db ulv1012-20 61 db signal to noise ratio snr f=1khz, v in =18mv, a-weighted ulv1012-25 61 db ulv1012-07 170 mv pp ulv1012-15 100 mv pp ulv1012-20 55 mv pp max input signal v in f=1khz and thd+n<1% ulv1012-25 28 mv pp 4.45 4.65 4.80 v ulv1012-07 4.38 4.85 v 4.34 4.56 4.74 v ulv1012-15 4.28 4.80 v 4.40 4.58 4.75 v ulv1012-20 4.30 4.85 v 4.45 4.65 4.83 v output voltage v out v in =gnd ulv1012-25 4.39 4.86 v lower ? 3db roll off frequency f low r source =50 ? 67 hz upper ? 3db roll off frequency f high r source =50 ? 150 khz ulv1012-07 -96 dbv ulv1012-15 -89 dbv ulv1012-20 -84 dbv output noise e n a-weighted ulv1012-25 -82 dbv ulv1012-07 0.12 % ulv1012-15 0.13 % ulv1012-20 0.18 % total harmonic distortion thd f=1khz, v in =18mv ulv1012-25 0.21 % input capacitance c in 2 pf input impedance z in >1000 g ? 6.4 8.1 9.5 db ulv1012-07 5.5 10.7 db 14.0 15.6 16.9 db ulv1012-15 13.1 17.5 db 19.2 21.1 22.3 db ulv1012-20 17.0 23.5 db 22.5 23.9 25.0 db gain a v f=1khz, r source =50 ? ulv1012-25 21.2 25.8 db notes: 1. electrical table values apply only for factory te sting conditions at the temperat ure indicated. factory testing conditions result in very limited self -heating of the device such that t j =t a . no specification of parametric performance is indicated in the electrical tables under conditions of internal self-heating where t j >t a . 2. all limits are specified by design or statistical analysis. 3. typical values represent t he most likely parametric norm.
ulv1012 preliminary cmos ic unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r107-073.a ? typical application circuit 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.
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