document.getElementById("div_canshu").innerHTML="<div style='font-weight:bold; font-size:13px;'>规格选型<\/div><div style='width:700px;overflow-x:scroll;'><table><tr style='white-space:nowrap;'><td>封装/外壳<\/td><td>制造商<\/td><td>工作温度<\/td><td>系列<\/td><td>包装<\/td><td>零件状态<\/td><td>供应商器件封装<\/td><td>输出类型<\/td><td>参考类型<\/td><td>数据接口<\/td><td>采样率（每秒）<\/td><td>电压 - 电源，数字<\/td><td>电压 - 电源，模拟<\/td><td>建立时间<\/td><td>INL/DNL（LSB）<\/td><td>架构<\/td><td>位数<\/td><td>数模转换器数<\/td><td>差分输出<\/td><td>使用的 IC/零件<\/td><\/tr><tr><td><select name='PV' id='USA1PV2' multiple><option value='2_14016'>10-TFSOP，10-MSOP（0.118\"，3.00mm 宽）<\/option><option value='2_844'>16-TSSOP（0.173\"，4.40mm 宽）<\/option><option value='2_29145'>16-WFQFN 裸露焊盘，CSP<\/option><option value='2_9347'>20-TSSOP（0.173\"，4.40mm 宽）<\/option><option value='2_25303'>20-WFQFN 裸露焊盘，CSP<\/option><option value='2_18092'>8-UFDFN 裸露焊盘，CSP<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV2\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV3' multiple><option value='3_13791'>Analog Devices Inc.<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV3\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV6' multiple><option value='6_207'>-40°C ~ 105°C<\/option><option value='6_141'>-40°C ~ 125°C<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV6\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV8' multiple><option value='8_37086' selected='selected'>nanoDAC+?<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV8\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV9' multiple><option value='9_183'>带卷（TR）&nbsp;<\/option><option value='9_815'>管件&nbsp;<\/option><option value='9_9'>剪切带（CT）&nbsp;<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV9\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV16' multiple><option value='16_80'> 已不再提供<\/option><option value='16_34000'>过期<\/option><option value='16_16'>在售<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV16\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV28' multiple><option value='28_16364'>10-MSOP<\/option><option value='28_29144'>16-LFCSP-WQ（3x3）<\/option><option value='28_843'>16-TSSOP<\/option><option value='28_25302'>20-LFCSP-WQ（4x4）<\/option><option value='28_9351'>20-TSSOP<\/option><option value='28_20274'>28-TSSOP<\/option><option value='28_18091'>8-LFCSP-UD（2x2）<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV28\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV112' multiple><option value='112_17703'>Voltage - Buffered<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV112\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV366' multiple><option value='366_12788'>内部<\/option><option value='366_17700'>外部<\/option><option value='366_26797'>外部， 内部<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV366\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV717' multiple><option value='717_9366'>I2C<\/option><option value='717_24455'>I2C，串行<\/option><option value='717_11977'>SPI<\/option><option value='717_17706'>SPI，DSP<\/option><option value='717_19821'>串行<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV717\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV718' multiple><option value='718_10'>-<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV718\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV785' multiple><option value='785_6901'>1.8 V ~ 5.5 V<\/option><option value='785_3396'>2.7 V ~ 5.5 V<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV785\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV786' multiple><option value='786_3396'>2.7 V ~ 5.5 V<\/option><option value='786_22157'>2.8 V ~ 5.5 V<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV786\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV787' multiple><option value='787_14182'>5μs<\/option><option value='787_37084'>7μs<\/option><option value='787_12779'>8μs<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV787\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV788' multiple><option value='788_43468'>±0.12，±0.01<\/option><option value='788_37085'>±0.12，±1（最大）<\/option><option value='788_25772'>±0.5，±1（最大）<\/option><option value='788_36380'>±1（最大），±1（最大）<\/option><option value='788_28077'>±1，±1（最大）<\/option><option value='788_43875'>±1.8，±0.7<\/option><option value='788_31814'>±2（最大），±1（最大）<\/option><option value='788_26779'>±2，±1（最大）<\/option><option value='788_47031'>±3（最大），±1（最大）<\/option><option value='788_51536'>±4（最大），±1（最大）<\/option><option value='788_31844'>±8（最大），±1（最大）<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV788\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV789' multiple><option value='789_17702'>电阻串 DAC<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV789\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV790' multiple><option value='790_12823'>12<\/option><option value='790_14420'>14<\/option><option value='790_5494'>16<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV790\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV791' multiple><option value='791_851'>1<\/option><option value='791_1275'>2<\/option><option value='791_1713'>4<\/option><option value='791_5091'>8<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV791\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV792' multiple><option value='792_3255'>无<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV792\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1069' multiple><option value='1069_159505'>AD5675<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1069\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><\/tr><\/table><\/div>";
function clearsel(nameid)
{
var PV=document.getElementById(nameid);
	for(var i=0;i<PV.length;i++)
    {
    	if(PV[i].selected==true)
        	PV[i].selected=false;
    }
}