LM1514 NSC | Alldatasheet
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s = : = A National = rf $ Semiconductor b = LM1514/LM1414 Dual Differential Voltage Comparator General Description The LM1514/LM1414 is a dual differential voltage compara- The LM1514 is specified for operation over the —55°C to tor intended for applications requiring high accuracy and + 125°C military temperature range. The LM1414 is speci- fast response times. The device is constructed on a single _ fied for operation over the 0°C to +70°C temperature range. monolithic silicon chip. The LM1514/LM1414 is useful as a variable threshold Features Schmitt trigger, a pulse height discriminator, a voltage com- = Two totally separate comparators per package parator in high-speed A/D converters, a memory sense am- —™ Independent ‘strobe capability plifier or a high noise immunity line receiver. The output of High speed 30 ns typ the comparator is compatible with all integrated logic forms. The LM1514/LM1414 meat or excead the specifications for : ag input oteet volage and current tu the MC1514/MC1414 and are pin-for-pin replacements. igh output sink current over temperature tho LM1514 is available in the ceramic duat-insine pack. Output compatible with TTL/DTL logic age. The LM1414 is available in either the ceramic or mold- Molded or ceramic dual-in-line package ed dual-in-line package. ed duatin-line package, Schematic and Connection Diagrams Dual-in-Line Package ¥ srwose ours. moar v -nrut oneut srmoet ourrut yop 8 ow My A u_ fis | fro doe is : aA . . en a CC Nour cos SUUTTOE Mou omar oT TUHs10411-2 Order Number LM1414J or LM1514J See NS Package Number J14A Order Number LM1414N See NS Package Number N14A ca oo ¥ TUH/s04t1—1 5-74
. = Absolute Maximum Ratings (note 1) a \\f Milltary/Aerospace specified devices are required, Power Dissipation (Note 2) 1000 mw z Please contact the National Semiconductor Sales Operating Temperature Range S Office/Distributors for availablity and specifications. M1514 —55°C to + 125°C & Positive Supply Voltage +14.0V M1414 OCto +70°C z Negative Supply Voltage -7.0V Storage Temperature Range -85°Cto +1500 | S Peak Output Current 10 mA Lead Temperature (Soldering, 10 sec.) 300°C Differential Input Voltage +5.0V Input Voltage £7.0V Electrical Characteristics tort, = 25°C, v+ = +12v, v- = —6V, unless otherwise specified LM1414 Parameter | umists Unite Ponte ee Input Offset Voltage Rg < 2009, Vom=OV.Vour=14v | | o6 | 20 | | 10 | 50 | mv Input Bias Curent Po eo as Voltage Gain Pas TTT t000 DitterentainputvotageRenge| feof Tf aso] =| «dv Input Voltage Range Vo = =70v [xso| | fesof J Tv Common Mode Rejection Ratio | Rg < 2000, V- = —7.0V | 80 | 100[ | 70 | 10] | «8 Positive Output Voltage Vin 2 7.0mV,0slours —50ma_ | 25 | 32 | 40 | 25 | a2 | a0 |v Strobed Output Votage VethoBe < 0.3 [-10[-o5] o [-10[-os| 0 |v Negative Supply Curent [viys=7mv LT te Fi aa | ma Response Time (Note 3) [fo | Tf [ns LM1514/LM1414: The following apply for TL < Ta < Tx (Note 4) unless otherwise specified Input Offset Voltage Rg < 2009, Voyrt = 1.8V for Ta = TL mv Vom = OV, Vout = 1.0V for Ta = TH mv Temperature Coefficient of 7 Input Offset Voltage ure Input Offset Current Vom = OV, Vout = 1.8V, Ta = TL 70 7.5 BA Vom = OV, Vout = 1.0V, Ta = Ty 3.0 75 | pA Vokage Gain Po F000 Teo Output Sink Current Vin 9.0 mV, Vour > OV [es [so[ [sel es[ | ma Note 1: Voltage values are with respect to network ground terminal. Positive current is defined as current into the referenced pin. Note 2:LM1514 ceramic package: The maximum junction temperature is + 150°C, for: ‘operating at elevated temperatures, devices must be derated linearly at 12.5 mW/°C. LM1414 ceramic package: The maximum junction ‘temperature is + 125°C for operating at elevated temperatures, devices must be derated linearly at 12.5. mW/*C. M1414 molded package: The maximum junction temperature is + 125°C, for ‘operating at elevated temperatures, devices must be derated linearly at 10 mirc. Note 3: The response time specified (see definitions) for a 100 mV input step with 5 mV overdrive. Note 4: For LM1514, T, = —55°C, Ty = +125°C. For LM1414, T, = 0°C, TH = +70°C, 5-75