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| Austin Semiconductor, Inc. High Speed Differential Comparator AVAILABLE AS MILITARY SPECIFICATIONS * MIL-STD-883, Paragraph 1.2.2 Compliant OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 (Top View) PIN ASSIGNMENT 14 Pin Ceramic DIP (C014) 14 Pin Flatpack (F014) FEATURES * Independent strobes * High Speed: 20ns Max * Tight delay matching on both outputs * Complementary TTL outputs * Operates from op amp supplies: 15V * Low speed variation with overdrive variation * Low input offset voltage * Versatile supply voltage range OPTIONS * Packages 14 Pin Ceramic DIP 14 Pin Ceramic Flatpack 10 Lead Metal Can MARKINGS C014 F014 T010 10 Lead Metal Can (T010) GENERAL DESCRIPTION The LM161 is a very high speed differential input, complementary TTL output voltage comparator with improved characteristics over similar devices for which it is a pin-for-pin replacement. The device has been optimized for greater speed performance and lower input offset voltage. Typically delay varies only 3 ns for over-drive variations of 5 mV to 500 mV. It may be operated from op amp supplies (15V). Complementary outputs having maximum skew are provided. Applications involve high speed analog to digital converters and zero-crossing detectors in disk file systems. LOGIC DIAGRAM For more products and information please visit our web site at www.austinsemiconductor.com *Output is low when current is drawn from strobe pin. AS161 Rev. 0.3 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 1 Austin Semiconductor, Inc. ABSOLUTE MAXIMUM RATINGS* Supply Voltage, V+ ..............................................................5V to 15V Supply Voltage, V-............................................................-6V to -15V Supply Voltage, VCC ........................................................4.5V to 5.5V Output Voltage..............................................................................+7.0V Differential Input Voltage...............................................................5V Input Common Mode Voltage........................................................6V Operating Temperature Range, ..................................-55C to 125C Storage Temperature Range........................................-65C to 150C Lead Temperature (Soldering, 10 Sec.).....................................260C OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 *Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. ELECTRICAL CHARACTERISTICS (V+ = +10V; VCC = +5V, V- = -10V, TMIN < TA < TMAX, Unless otherwise specified) PARAMETERS Input Offset Voltage Input Bias Current Input Offset Current Voltage Gain Input Resistance Logical "1" Output Voltage Logical "0" Output Voltage Strobe Input "1" Current (Output Enabled) Strobe Input "0" Current (Output Disabled) Strobe Input "0" Voltage Strobe Input "1" Voltage Output Short Circuit Current + CONDITIONS TA = 25C TA = 25C TA = 25C TA = 25C, f = 1kHz VCC = 4.75V, ISOURCE = -0.5mA VCC = 4.75V, ISINK = 6.4mA VCC = 5.25V, ISTROBE = 2.4mA VCC = 5.25V, ISTROBE = 0.4mA VCC = 4.75V VCC = 4.75V VCC = 5.25V, VOUT = 0V V+ = 10V, V- = -10V, VCC = 5.25V, -55C MIN TYP 1 5 2 3 20 MAX 3 20 3 UNITS mV A A V/mV k V 2.4 3.3 0.4 200 -1.6 0.8 V A mA V V 2 -18 -55 mA Supply Current I 4.5 mA Supply Current I- 10 mA Supply Current ICC TRANSIENT RESPONSE Propagation Delay Time (tpd(0)) Propagation Delay Time (tpd(1)) Delay Between Output A and B Strobe Delay Time (tpd(0)) Strobe Delay Time (tpd(1)) AS161 Rev. 0.3 6/05 18 mA VIN = 50mV overdrive TA = 25C TA = 25C TA = 25C TA = 25C TA = 25C 14 14 2 8 8 20 20 5 ns ns ns ns ns NOTES: 1. Measurements using AC test circuit, Fanout = 1. The devices are faster at low supply voltages. Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 2 Austin Semiconductor, Inc. TYPICAL PERFORMANCE CHARACTERISTICS OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 AS161 Rev. 0.3 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 3 Austin Semiconductor, Inc. AC TEST CIRCUIT OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 VIN = 50mV V+ = +10V V- = -10V VCC = 5.25V FANOUT = 1 R = 2.4k C = 15pF FANOUT = 4 R = 680 C = 30pF SCHEMATIC DIAGRAM R10, R16: 85 R11, R17: 205 AS161 Rev. 0.3 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 4 Austin Semiconductor, Inc. Package Designator C014 OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 MECHANICAL DEFINITIONS* SYMBOL A b b2 c D E e eA L Q S1 S2 ASI SPECIFICATIONS MIN MAX --0.200 0.014 0.026 0.045 0.065 0.008 0.018 --0.785 0.220 0.310 0.100 BCS 0.300 BSC 0.125 0.200 0.015 0.060 0.005 --0.005 --- *All measurements are in inches. AS161 Rev. 0.3 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 5 Austin Semiconductor, Inc. OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 MECHANICAL DEFINITIONS* Package Designator F014 SYMBOL A b C D E E1 E2 E3 e L Q S1 *All measurements are in inches. AS161 Rev. 0.3 6/05 ASI SPECIFICATIONS MIN MAX 0.045 0.085 0.010 0.022 0.004 0.009 --0.390 0.235 0.260 --0.280 0.125 --0.030 --0.050 BSC 0.250 0.370 0.026 0.045 0.005 --Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 6 Austin Semiconductor, Inc. OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 MECHANICAL DEFINITIONS* Package Designator T010 SYMBOL A b D D1 D2 e e1 F k k1 L Q *All measurements are in inches. AS161 Rev. 0.3 6/05 ASI SPECIFICATIONS MIN MAX 0.165 0.185 0.016 0.019 0.335 0.375 0.305 0.335 0.110 0.160 0.230 BSC 0.115 BSC --0.040 0.027 0.034 0.027 0.045 0.500 0.750 0.010 0.045 36 BSC Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 7 Austin Semiconductor, Inc. OLT VOLTA GE COMPARA ARAT COMPARATOR AS161 ORDERING INFORMATION EXAMPLE: AS161C014/MIL Device Number Package Type Process AS161 C014 /* EXAMPLE: AS161F014/MIL Device Number Package Type Process AS161 F014 /* EXAMPLE: AS161T010/MIL Device Number Package Type Process AS161 T010 /* *AVAILABLE PROCESSES XT = Extended Temperature Range MIL = /883 equivalent processing compliant to paragraph 1.2.2 -55oC to +125oC -55oC to +125oC AS161 Rev. 0.3 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 8 |
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