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| 358 8-Channel Fault-Protected Analog Multiplexer Memory Logic Diagram FEATURES: * RAD-PAK(R) technology-hardened against natural space radiation * Total dose hardness: - > 50 krad (Si), depending upon space mission * Excellent Single Event Effect - SELTH > 80 MeV/mg/cm2 * * * * * * * - SEUTH > 80 MeV/mg/cm2 Package: - 16 pin RAD-PAK(R) Flat Pack All switches off with power supplies off On channel turns OFF if overvoltage occurs Only nanoamperes of input current under all fault conditions Operates from 4.5 to 18V supplies All digital inputs are TTL and CMOS compatible Significantly reduced power consumption DESCRIPTION: Maxwells's 358 8-Channel single-ended (1 of 8) multiplexers with fault protection features a greater than 50 krad (Si) total dose tolerance, depending upon space mission. Using a series N-channel, P-channel, N-channel structure, these multiplexers provide significantly improved fault protection. If the power supplies to the fault-protected multiplexer are inadvertently turned off while input voltages are still applied, all channels in the multiplexer are turned off, and only a few nanoamperes of leakage current will flow into the inputs. This protects not only the multiplexer and the circuitry driven by the multiplexer, but also protects the sensors or signal sources which drive the multiplexer. All digital inputs have logic thresholds of 0.8V and 2.4V, ensuring both TTL and CMOS compatibility without requiring pullup resistors. Break-before-make operation is guaranteed. Power supply currents have been reduced and typical power dissipation is less than 2 mW. Maxwell Technologies' patented RAD-PAK(R) 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 a space mission. In a GEO orbit, Rad-Pak(R) provides true greater than 50 krad (Si) total radiation dose tolerance, dependent upon space mission. This product is available with packaging and screening up to Class S. 02.06.04 Rev 3 All data sheets are subject to change without notice 1 (858) 503-3000 - Fax: (858) 503-3301 - www.maxwell.com (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer TABLE 1. PINOUT DESCRIPTION PIN 1, 16, 15 2 3 4-7, 12-9 8 13 14 SYMBOL A0-A2 Enable -V Supply IN1-IN8 OUT +V Supply GND DESCRIPTION Address Inputs Enable Inputs Negative Supply Voltage Analog Inputs-bidirectional Output-bidirectional Positive Supply Voltage Ground 358 TABLE 2. 358 ABSOLUTE MAXIMUM RATINGS PARAMETER Voltage between Supply Pins V+ VDigital Input Overvoltage VEN, VA Vsupply (+) Vsupply (-) Analog Input Overvoltage with Multiplexer Power On: VS Vsupply (+) Vsupply (-) Analog Input Overvoltage with Multiplexer Power Off: VS Vsupply (+) Vsupply (-) Continuous Current Peak Current (Pulse at 1 ms, 10% duty cycle max) Thermal Impedance Weight Operating Temperature Range: Storage Temperature Range: TA TS SYMBOL MAX +44 +22 -22 +4 -4 UNITS V Memory V +20 -20 V +35 -35 20 40 V mA JC 2.69 2.25 -55 to +125 -65 to +150 C/W Grams C C 02.06.04 Rev 3 All data sheets are subject to change without notice 2 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer TABLE 3. 358 ELECTRICAL CHARACTERISTICS (V+ = 15V, V- = -15V, VAH = 2.4V, VAL = 0.8V, TA = -55 TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER STATIC ON Resistance VD = 10V, IS = 100 A VAL = 0.8V, VAH = 2.4V 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 rDS(ON) IS(OFF) ID(OFF) ID(ON) +25C Full +25C Full +25C Full +25C Full Full +25C Full +25C +25C -15 4.0 2.0 5.0 2.0 1.2 1.5 0.03 50 0.1 200 0.1 2002 15 1.5 1.8 TEST CONDITIONS SUBGROUPS SYMBOL TEMP MIN TYP MAX 358 UNITS k nA nA nA OFF Input Leakage Cur- VS = 10V, VD = +10V rent VEN = 0.8V OFF Output Leakage Current ON Channel Leakage Current Analog Signal Range FAULT VD = 10V, VS = +10V VEN = 0.8V VS(ALL) = VD = 10V1 VAH = VEN = 2.4V VAL = 0.8V 2 1, 2, 3 1, 2, 3 VAN ID(OFF) V Memory Output Leakage Current VD = 0V1 (with Overvoltage) Analog Overvoltage = 33V Input Leakage Current (with Overvoltage) Input Leakage Current (w/ Power Supplies Off) INPUT Input Low Threshold Input High Threshold Input Leakage Current (High or Low) DYNAMIC Access Time Break-Before-Make Delay Enable Delay (ON) Enable Delay (OFF) Setting Time: (0.1%) (0.01%) "OFF Isolation"4 VEN = 0.8V, RL = 1k CL = 15pF, V = 7VRMS f = 100kHz VEN = 5V, VIN = 10V AO, A1, A2 Strobed VA = 4V or 0V3 VIN = 25V, VO = 10V1 VIN = 25V, VEN = VO = 0V AO = A1 = A2 = OV or 5V nA A A A 1, 2, 3 1, 2, 3 IS(OFF) IS(OFF) 1, 2, 3 1, 2, 3 1, 2, 3 VAL VAH IA Full Full Full 2.4 0.8 1.0 V V A 1, 2, 3 9, 10, 11 9, 10, 11 9, 10, 11 9, 10, 11 4, 5, 6 tA ton-toff ton(EN) toff(EN) tsett +25C +25C +25C Full +25C Full +25C +25C 50 25 0.5 80 300 300 1.2 3.5 68 1.0 s ns 500 1000 500 1000 ns ns s db 02.06.04 Rev 3 All data sheets are subject to change without notice 3 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer TABLE 3. 358 ELECTRICAL CHARACTERISTICS (V+ = 15V, V- = -15V, VAH = 2.4V, VAL = 0.8V, TA = -55 TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER Channel Input Capacitance4 Channel Output Capacitance4 Digital Input Capacitance4 Digital Output Capacitance4 SUPPLY Positive Supply Current VEN = 0.8V or 2.4V VA = 0V or 5V 1, 2, 3 1, 2, 3 1, 2, 3 I+ IVOP +25C Full +25C Full +25C 4.5 0.1 0.3 0.01 0.02 0.6 0.7 0.1 0.2 18 TEST CONDITIONS SUBGROUPS 4, 5, 6 4, 5, 6 4, 5, 6 4, 5, 6 SYMBOL CS(OFF) CD(OFF) CA CDS(OFF) TEMP +25C +25C +25C +25C MIN TYP 5 25 5 0.1 MAX 358 UNITS pF pF pF pF mA mA Negative Supply Current VEN = 0.8V or 2.4V VA = 0V or 5V Power Supply Range for Continuous Operation 5 Memory V 1. The value shown is the steady state value. The transient leakage is typically 10 A. 2. When the analog signal exceeds +13.5V or -12V the blocking action of the gate structure goes into operation. Only leakage currents flow and the channel on resistance rises to infinity. 3. Digital input leakage is primarily due to the clamp diodes. Typical leakage is less than 1 nA @ +25C. 4. Guaranteed by design. 5. Electrical characteristics, such as ON Resistance, will change when power supplies other than 15V are used. 02.06.04 Rev 3 All data sheets are subject to change without notice 4 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer FIGURE 1. INPUT LEAKAGE VS. INPUT VOLTAGE WITH V+ = V- = 0V 358 FIGURE 2. OFF CHANNEL LEAKAGE CURRENT VS. INPUT VOLTAGE WITH 15V SUPPLIES Memory FIGURE 3. OUTPUT LEAKAGE VS. OFF CHANNEL OVERVOLTAGE WITH 15V SUPPLIES 02.06.04 Rev 3 All data sheets are subject to change without notice 5 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer FIGURE 4. RDS(ON) VS. INPUT VOLTAGE 358 TRUTH TABLE A2 X 0 0 0 0 1 1 1 1 A1 X 0 0 1 1 0 0 1 1 A0 X 0 1 0 1 0 1 0 1 EN 0 1 1 1 1 1 1 1 1 ON SWITCH NONE 1 2 3 4 5 6 7 8 Memory Logic "0" = VAL < 0.8V, Logic "1" = VAH > 2.4V 02.06.04 Rev 3 All data sheets are subject to change without notice 6 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer 358 Memory L E3 16-PIN RAD-PAK(R) FLAT PACK PACKAGE DIMENSIONS SYMBOL MIN A b c D E E1 E2 E3 e L Q S1 N .325 .020 .005 .115 .015 .004 0.407 .275 -.150 .030 NOM .135 .017 .005 .415 .280 -.156 .062 .050 BSC .335 .033 .024 16 .345 .045 0.045 MAX .150 .019 .007 .423 .285 0.500 0.162 -- All dimensions in inches 02.06.04 Rev 3 All data sheets are subject to change without notice 7 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer Important Notice: 358 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 02.06.04 Rev 3 All data sheets are subject to change without notice 8 (c)2004 Maxwell Technologies All rights reserved. 8-Channel Fault-Protected Analog Multiplexer Product Ordering Options Model Number 358 RP F X Feature Option Details 358 Screening Flow Monolithic S = Maxwell Class S B = Maxwell Class B I = Industrial (testing @ -55C, +25C, +125C) E = Engineering (testing @ +25C Memory Package F = Flat Pack Radiation Feature RP = RAD-PAK(R) package Base Product Nomenclature 8-Channel Fault-Protected Analog Multiplexer 02.06.04 Rev 3 All data sheets are subject to change without notice 9 (c)2004 Maxwell Technologies All rights reserved. |
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