1-16 hits ? standard model 1220 pc board mountable pressure sensor 0-50 mv output gage, differential and absolute temperature compensated process control medical instrumentation hvac barometric pressure air flow management avionics features dual-in-line package 0.1% non-linearity 0.5% temperature performance 1.0% interchangeable span (provided by current set resistor) solid state reliability low power standard ranges range psia psid psig 0 to 2 0 to 5 0 to 15 0 to 30 0 to 50 0 to 100 description the model 1220 is a temperature compensated, piezoresistive silicon pressure sensor packaged in a dual-in-line configuration and intended for cost sensitive applications where excellent performance and long-term stability are required. integral temperature compensation is provided over a range of 0-50c using laser-trimmed resistors. an additional laser- trimmed resistor is included to normalize pressure sensitivity variations by setting the current drive to the sensor bridge, resulting in an interchangeability of 1% prior to amplification. gage, absolute, and differential pressure ranges from 0-2 psi to 0-100 psi are available. multiple lead and tube configurations are also available for customizing the package for specific applications. please refer to the low pressure section for information on products with operating pressures less than 0-2 psi. for a compensated sensor using a gain set resistor as opposed to a current set resistor, please refer to the model 1210. dimensions
pc board mountable pressure sensor model 1220 hits ? standard 1-17 june 2001 performance specifications supply voltage: see application schematic ambient temperature: 25c (unless otherwise specified) notes 1. for 2 psi output span is 20.0 mv 1%, amplified span is 1.232v and tc zero temperature error is 1.25%. 2. compensation resistors are an integral part of the sensor package; no additional external resistors are required. pins 7 and 8 must be kept open. 3. best fit straight line. 4. temperature range: 0-50c in reference to 25c. 5. guarantees input/output ratiometricity. 6. for a zero-to-full scale pressure step change. 7. 10 hz to 1 khz. 8. prevents increase of tc-span due to output loading. 9. 3x or 200 psi maximum, whichever is less. 20 psi for 2 psi and 5 psi versions. 10. wetted materials are glass, ceramic, silicon, rtv, nickel, gold, and aluminum. 11. soldering of lead pins: 250c for 5 seconds maximum. 12. tube length: l=470 5 mil, s=300 3 mil, n=no tube. 13. lead pins can either be in the same or the opposite direction as the pressure tube. see dimensions drawing for lead configurations. connections ordering information application schematic parameters min typ max units notes full scale output span 49.5 50.0 50.5 mv 1 zero pressure output 2mv2 pressure non-linearity 0.05 0.1 % span 3 pressure hysteresis 0.01 0.1 % span input & output resistance 2500 4400 6000 ? temperature error - span 0.3 0.5 % span 2, 4 temperature error - zero 0.1 0.5 % span 1, 2, 4 thermal hysteresis - zero 0.1 % span supply current 2.0 ma 5 response time 1.0 msec 6 output noise 1.0 v p-p 7 output load resistance 2 m ? 8 insulation resistance (50 vdc) 50 m ? pressure overload 3x rated 9 operating temperature -40c to +125c storage temperature -50c to +150c weight 3 grams media non-corrosive gases compatible with wetted materials 10 1220 a - 015 g - 3 s p model ressure tubes (l, s, n - see note 12) lead configuration (1, 3 - see note 13) type (g = gage, a = absolute, d = differential) grade range pressure feel free to contact customer service with any questions at toll free 1(800)745-8008; phone (757)766-1500; fax (757)766-4297
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