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| Quad Comparators, Low Offset Voltage 139 Memory Logic Diagram FEATURES: * Rad-Pak(R) technology-hardened against natural space radiation * Total dose hardness: - >100 krad (Si), depending upon orbit and space mission * Single Event Effects: - SEL > 59.8 MeV/mg/cm2 * Package: * - 14 pin Rad-Pak(R) flat package * Wide supply voltage range - 2 VDC to 36 VDC or 1 VDC to 18 VDC * Very low supply current drain: - (0.8 mA) - independent of supply voltage * Low input biasing current: 25 nA * Differential input voltage range equal to the power supply voltage * Low output saturation voltage: 250 mV at 4 mA * Power drain suitable for battery operation * Allows sensing near GND * Eliminates need for dual supplies * Output voltage compatible with TTL, DTL, ECL, MOS and CMOS logic systems * Low input offset current and offset voltage: - +5 nA, +3 mV DESCRIPTION: Maxwell Technologies 139 consisting of four independent precision voltage comparators, features a greater than 100 krad (Si) total dose tolerance, depending upon space mission. Using Maxwell Technologies radiation- hardened Rad-Pak(R) packaging technology, the 139 has an offset voltage specification as low as 2 mV max for all four comparators. The 139 was also designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Maxwell Technologies' patented RAD-PAK packaging technology incorporates radiation shielding in the microcircuit package. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. In a GEO orbit, RAD-PAK provides greater than 100 krad (Si) radiation dose tolerance. This product is available with screening up to Class S. 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 1 (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage TABLE 1. PINOUT DESCRIPTION PIN 2, 1, 14, 13 4, 6, 8, 10 5, 7, 9, 11 3 12 SYMBOL OUTPUT1 - 4 INPUT1- - 4 INPUT+ - 4 V+ GND DESCRIPTION Output Signal Negative Input Signal Positive Input Signal Positive Voltage Ground 139 TABLE 2. 139 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage (V+ - V-) Differential Input Voltage1 Input Voltage Open Short-Circuit to Ground2 Input Current (VIN < -0.3VDC) Power Dissipation Storage Temperature Range Operating Temperature Range PD TS TA ---65 -55 SYMBOL V+ - VMIN --0.3 Continuous MAX 36 +36 50 1 150 125 UNIT V V V 36 VDC or 18 VDC Memory mA W C C ESD Tolerance 3 -600 V 1. Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, the comparator will provide a proper output state. The low output voltage state must not be less than -0.3 VDC (or 0.3 VDC below the magnitude of the negative power supply, if used) (at 25C). 2. Short Circuits from the output to V+ can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output current is ~20mA independent of the magnitude of V+. 3. 1.5 k in series with 100 pF. TABLE 3. DELTA LIMITS PARAMETER ICC VARIATION 10% of specified value in Table 5 TABLE 4. 139 RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage SYMBOL V+ - VMIN MAX UNIT V 36 VDC or 18 VDC 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 2 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage TABLE 5. 139 ELECTRICAL CHARACTERISTICS (V+ = 5V, TA = -55 TO 125C, UNLESS OTHERWISE SPECIFIED) PARAMETER Input Offset Voltage Input Bias Current Input Offset Current Input Common Mode Voltage Range Supply Current Voltage Gain SYMBO L 139 TEST CONDITIONS 1 MIN +25C -55 to 125C +25C -55 to 125C +25C -55 to 125C +25C -55 to 125C ------0 0 --50 TYP 2 -25 -3 --0.8 -200 MAX 5 9 100 300 25 100 V+ -1.5 V+ -2.0 2.0 3.0 -- UNIT mVDC nADC nADC VDC mADC V/mV VIO IIB IIO VCM ICC AV IIN(+) or IIN(-) with Output in Linear Range,2, VCM = 0V IIN(+) - IIN(-), VCM = 0V V+ = 30 VDC3 RL=on all comparators, V+ = 30V +25C -55 to 125C RL > 15k, V+=15VDC; VO = 1VDC to 11 VDC ( To support large VO swing) VIN = TTL Logic Swing, VREF = 1.4V, VRL = 5VDC, RI = 5.1k2 VRL = 5VDC, RL = 5.1k4 +25C Memory Large Signal Response Time Response Time Output Sink Current Saturation Voltage Output Leakage Current Differential Input Voltage tr +25C -- 300 -- ns tRtil +25C +25C +25C -55 to 125C +25C -55 to 125C -55 to 125C -6.0 ------ 1.3 16 250 -0.1 --- --400 700 -1.0 36 s mADC mVDC nADC ADC VDC ISINK VIN(-) = 1VDC, VIN(+) = 0, VO < 1.5VDC VSAT VIN(-) > 1V, VIN(+) = 0, ISINK < 4 mA ICEX Vdiff VIN(+) = 1VDC, VIN(-) = 0, VO = 5VDC VIN(-) = 0 Keep all VIN's > 0 VDC (or V- if used)5 1. At output switch point, VO=1.4V, RS=0 with V+ from 5VDC to 30 VDC; and over the full input common-mode range (0VDC to V+-1.5VDC). 2. The direction of the input current is out of the IC due to the PNP input stage. This current essentially constant, independent of the state of the output so no loading change exists on the reference or input lines. 3. The input common-mode voltage or either input voltage signal should not be allowed to go negative by more than 0.3V. The upper end of the common-mode voltage range is V+-1.5V at 25C, but either or both inputs can go to +30V without damage, independent of the magnitude of V+. 4. The response time specified is for a 100mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be obtained. 5. Positive excursions of input voltage may exceed the power level as long as the other voltage remains within the common mode range, the comparator will provide a proper output state. The low input voltage state must not be less than -0.3 VDC (or 0.3VDC below the magnitude of the negative power supply, if used) (at 25C). 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 3 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage FIGURE 1. SUPPLY CURRENT 139 Memory FIGURE 2. INPUT CURRENT 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 4 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage FIGURE 3. OUTPUT SATURATION VOLTAGE 139 Memory FIGURE 4. RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - NEGATIVE TRANSITION 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 5 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage FIGURE 5. RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - POSITIVE TRANSITION 139 Memory 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 6 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage 139 Memory 14 PIN RAD-PAK(R) FLAT PACKAGE SYMBOL MIN A b c D E E1 E2 E3 e L Q S1 N 0.270 0.026 0.005 0.140 0.015 0.004 -0.250 -0.125 0.030 DIMENSION NOM 0.157 0.017 0.005 0.380 0.255 -0.130 0.062 0.050 BSC 0.325 0.030 -14 0.370 0.035 -MAX 0.170 0.020 0.009 0.390 0.260 0.290 --- Note: All dimensions in inches. F14-05 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 7 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage Important Notice: 139 These data sheets are created using the chip manufacturer's published specifications. Maxwell Technologies verifies functionality by testing key parameters either by 100% testing, sample testing or characterization. The specifications presented within these data sheets represent the latest and most accurate information available to date. However, these specifications are subject to change without notice and Maxwell Technologies assumes no responsibility for the use of this information. Maxwell Technologies' products are not authorized for use as critical components in life support devices or systems without express written approval from Maxwell Technologies. Any claim against Maxwell Technologies must be made within 90 days from the date of shipment from Maxwell Technologies. Maxwell Technologies' liability shall be limited to replacement of defective parts. Memory 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 8 (c)2001 Maxwell Technologies All rights reserved. Quad Comparators, Low Offset Voltage Product Ordering Options Model Number 139 RP F X Feature Option Details 139 Screening Flow Monolithic S = Maxwell Class S B = Maxwell Class B E = Engineering (testing @ +25C) I = Industrial (testing @ -55C, +25C, +125C) Memory Package F = Flat Pack Radiation Feature RP = RAD-PAK(R) package Base Product Nomenclature Quad Comparators, Low Offset Voltage 1000522 12.13.01 Rev1 All data sheets are subject to change without notice 9 (c)2001 Maxwell Technologies All rights reserved. |
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