LM613IWM/NOPB

LM613 LM613 Dual Operational Amplifiers, Dual Comparators, and Adjustable Reference Literature Number: SNOSC11A LM613 Dual Operational Amplifiers, Dual Comparators, and Adjustable Reference General Description Features The LM613 consists of dual op-amps, dual comparators, and a programmable voltage reference in a 16-pin package. The op-amps out-performs most single-supply op-amps by providing higher speed and bandwidth along with low supply current. This device was specifically designed to lower cost and board space requirements in transducer, test, measurement, and data acquisition systems. OP AMP n Low operating current (Op Amp): 300 μA n Wide supply voltage range: 4V to 36V n Wide common-mode range: V− to (V+ − 1.8V) n Wide differential input voltage: ± 36V n Available in plastic package rated for Military Temp. Range Operation Combining a stable voltage reference with wide output swing op-amps makes the LM613 ideal for single supply transducers, signal conditioning and bridge driving where large common-mode-signals are common. The voltage reference consists of a reliable band-gap design that maintains low dynamic output impedance (1Ω typical), excellent initial tolerance (0.6%), and the ability to be programmed from 1.2V to 6.3V via two external resistors. The voltage reference is very stable even when driving large capacitive loads, as are commonly encountered in CMOS data acquisition systems. As a member of National’s Super-Block™ family, the LM613 is a space-saving monolithic alternative to a multi-chip solution, offering a high level of integration without sacrificing performance. REFERENCE n Adjustable output voltage: 1.2V to 6.3V n Tight initial tolerance available: ± 0.6% n Wide operating current range: 17 μA to 20 mA n Tolerant of load capacitance Applications n n n n Transducer bridge driver Process and mass flow control systems Power supply voltage monitor Buffered voltage references for A/D’s Connection Diagrams E Package Pinout 00922601 00922648 Top View Ultra Low Noise, 10.00V Reference. Total output noise is typically 14 μVRMS. 00922643 *10k must be low t.c. trimpot Super-Block™ is a trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation DS009226 www.national.com LM613 Dual Operational Amplifiers, Dual Comparators, and Adjustable Reference August 2000 LM613 Absolute Maximum Ratings (Note 1) Thermal Resistance, Junction-to-Ambient (Note 5) N Package WM Package If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Voltage on Any Pin Except VR (referred to V−pin) (Note 2) (Note 3) 36V (Max) −0.3V (Min) Current through Any Input Pin & VR Pin ± 20 mA Differential Input Voltage Military and Industrial Commercial Storage Temperature Range Soldering Information (10 Sec.) N Package WM Package 260˚C 220˚C ESD Tolerance (Note 6) ± 1 kV Operating Temperature Range LM613AI, LM613BI: ± 36V ± 32V −65˚C ≤ TJ ≤ +150˚C Maximum Junction Temp.(Note 4) 100˚C/W 150˚C/W −40˚C to +85˚C LM613AM, LM613M: −55˚C to +125˚C LM613C: 0˚C ≤ TJ ≤ +70˚C 150˚C Electrical Characteristics These specifications apply for V− = GND = 0V, V+ = 5V, VCM = VOUT = 2.5V, IR = 100 μA, FEEDBACK pin shorted to GND, unless otherwise specified. Limits in standard typeface are for TJ = 25˚C; limits in boldface type apply over the Operating Temperature Range. LM613AM Symbol Parameter Conditions LM613M Typical LM613AI LM613I (Note 7) Limits LM613C (Note 8) Limits Units (Note 8) IS VS Total Supply Current RLOAD = ∞, 450 940 1000 μA (Max) 4V ≤ V+ ≤ 36V (32V for LM613C) 550 1000 1070 μA (Max) 2.2 2.8 2.8 V (Min) Supply Voltage Range 2.9 3 3 V (Min) 46 36 32 V (Max) 43 36 32 V (Max) 4V ≤ V+ ≤ 36V 1.5 3.5 5.0 mV (Max) (4V ≤ V+ ≤ 32V for LM613C) 2.0 6.0 7.0 mV (Max) VCM = 0V through VCM = 1.0 3.5 5.0 mV (Max) (V+ − 1.8V), V+ = 30V, V− = 0V 1.5 6.0 7.0 mV (Max) (Note 8) 15 OPERATIONAL AMPLIFIERS VOS1 VOS2 VOS Over Supply VOS Over VCM Average VOS Drift IB IOS Input Bias Current Input Offset Current μV/˚C (Max) 10 25 35 11 30 40 nA (Max) nA (Max) 0.2 4 4 nA (Max) 0.3 5 5 nA (Max) Average Offset Current 4 pA/˚C RIN Input Resistance Differential 1000 MΩ CIN Input Capacitance Common-Mode 6 pF en Voltage Noise f = 100 Hz, Input Referred 74 In Current Noise f = 100 Hz, Input Referred 58 CMRR Common-Mode V+ = 30V, 0V ≤ VCM ≤ (V+ − 1.8V) 95 80 75 dB (Min) Rejection Ratio CMRR = 20 log (ΔVCM/ΔVOS) 90 75 70 dB (Min) www.national.com 2 (Continued) These specifications apply for V− = GND = 0V, V+ = 5V, VCM = VOUT = 2.5V, IR = 100 μA, FEEDBACK pin shorted to GND, unless otherwise specified. Limits in standard typeface are for TJ = 25˚C; limits in boldface type apply over the Operating Temperature Range. LM613AM Symbol Parameter Conditions LM613M Typical LM613AI LM613I (Note 7) Limits LM613C (Note 8) Units Limits (Note 8) OPERATIONAL AMPLIFIERS PSRR AV SR GBW VO1 VO2 IOUT Power Supply 4V ≤ V+ ≤ 30V, VCM = V+/2, + ISHORT 80 75 dB (Min) Rejection Ratio PSRR = 20 log (ΔV /VOS) 100 75 70 dB (Min) Open Loop RL = 10 kΩ to GND, V+ = 30V, 500 100 94 V/mV Voltage Gain 5V ≤ VOUT ≤ 25V 50 40 40 (Min) 0.70 0.55 0.50 V/μs 0.65 0.45 0.45 Slew Rate Gain Bandwidth Output Voltage + V = 30V (Note 9) CL = 50 pF 0.8 MHz 0.5 MHz V+ − 1.4 RL = 10 kΩ to GND, V (Min) V − 1.6 V − 1.9 V+ − 1.9 V (Min) Output Voltage RL = 10 kΩ to V+, V− + 0.8 V− + 0.9 V− + 0.95 V (Max) Swing Low V+ = 36V (32V for LM613C) V− + 0.9 V− + 1.0 V− + 1.0 V (Max) 25 20 16 mA (Min) 15 13 13 mA (Min) mA (Min) VOUT = 2.5V, = 0V, Output Sink Current Short Circuit Current VOUT = 1.6V, V+IN 17 14 13 V−IN = 0.3V 9 8 8 mA (Min) VOUT = 0V,V+IN = 3V, 30 50 50 mA (Max) V−IN = 2V 40 60 60 mA (Max) VOUT = 5V, V + = 0V, + V+ − 1.8 V = 36V (32V for LM613C) V+IN + V+ − 1.7 Swing High Output Source Current + V−IN = −0.3V ISINK 110 30 60 70 mA (Max) V−IN = 3V 32 80 90 mA (Max) 4V ≤ V+ ≤ 36V (32V for LM613C), 1.0 3.0 5.0 mV (Max) RL = 15 kΩ 2.0 6.0 7.0 mV (Max) Offset Voltage 0V ≤ VCM ≤ 36V 1.0 3.0 5.0 mV (Max) over VCM V+ = 36V, (32V for LM613C) 1.5 6.0 7.0 mV (Max) IN = 2V, COMPARATORS VOS Offset Voltage Average Offset 15 μV/˚C Voltage Drift IB IOS AV tr ISINK (Max) Input Bias Current Input Offset Current Voltage Gain 5 25 35 nA (Max) 8 30 40 nA (Max) 0.2 4 4 nA (Max) 0.3 5 5 nA (Max) RL = 10 kΩ to 36V (32V for LM613C) 500 V/mV 2V ≤ VOUT ≤ 27V 100 V/mV 1.5 μs + Large Signal V Response Time RL = 5.1 kΩ 2.0 Output Sink Current V+IN = 0V, V−IN = 1V, 20 IN = 1.4V, V − IN = TTL Swing, μs 10 10 mA (Min) VOUT = 1.5V 13 8 8 mA (Min) VOUT = 0.4V 2.8 1.0 0.8 mA (Min) 2.4 0.5 0.5 mA (Min) 3 www.national.com LM613 Electrical Characteristics LM613 Electrical Characteristics (Continued) These specifications apply for V− = GND = 0V, V+ = 5V, VCM = VOUT = 2.5V, IR = 100 μA, FEEDBACK pin shorted to GND, unless otherwise specified. Limits in standard typeface are for TJ = 25˚C; limits in boldface type apply over the Operating Temperature Range. LM613AM Symbol Parameter Conditions LM613M Typical LM613AI LM613I (Note 7) Limits LM613C (Note 8) Units Limits (Note 8) COMPARATORS ILEAK Output Leakage V+IN = 1V, V−IN = 0V, 0.1 Current VOUT = 36V (32V for LM613C) 0.2 10 10 μA (Max) μA (Max) VOLTAGE REFERENCE VR Voltage Reference (Note 10) 1.244 1.2191 V (Min) V (Max) 1.2515 1.2689 ( ± 0.6%) ( ± 2%) 80 150 Average Temp. Drift (Note 11) 10 Hysteresis (Note 12) 3.2 VR Change VR(100 μA) − VR(17 μA) 0.05 1 1 mV (Max) 0.1 1.1 1.1 mV (Max) with Current R 1.2365 ppm/˚C (Max) μV/˚C VR(10 mA) − VR(100 μA) 1.5 5 5 mV (Max) (Note 13) 2.0 5.5 5.5 mV (Max) Ω (Max) ΔVR(10→0.1 mA)/9.9 mA 0.2 0.56 0.56 ΔVR(100→17 μA)/83 μA 0.6 13 13 Ω (Max) VR Change VR(Vro = Vr) − VR(Vro = 6.3V) 2.5 7 7 mV (Max) with High VRO (5.06V between Anode and 2.8 10 10 mV (Max) VR Change with VR(V+ = 5V) − VR(V+ = 36V) 0.1 1.2 1.2 mV (Max) VANODE Change (V+ = 32V for LM613C) 0.1 1.3 1.3 mV (Max) VR(V+ = 5V) − VR(V+ = 3V) 0.01 1 1 mV (Max) 0.01 1.5 1.5 mV (Max) 22 35 50 nA (Max) 29 40 55 nA (Max) Resistance FEEDBACK) IFB FEEDBACK Bias VANODE ≤ VFB ≤ 5.06V Current en VR Noise 10 Hz to 10 kHz, 30 VRO = VR www.national.com 4 μVRMS (Continued) Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device beyond its rated operating conditions. Note 2: Input voltage above V+ is allowed. As long as one input pin voltage remains inside the common-mode range, the comparator will deliver the correct output. Note 3: More accurately, it is excessive current flow, with resulting excess heating, that limits the voltages on all pins. When any pin is pulled a diode drop below V−, a parasitic NPN transistor turns ON. No latch-up will occur as long as the current through that pin remains below the Maximum Rating. Operation is undefined and unpredictable when any parasitic diode or transistor is conducting. Note 4: Simultaneous short-circuit of multiple comparators while using high supply voltages may force junction temperature above maximum, and thus should not be continuous. Note 5: Junction temperature may be calculated using TJ = TA + PD θJA. The given thermal resistance is worst-case for packages in sockets in still air. For packages soldered to copper-clad board with dissipation from one comparator or reference output transistor, nominal θJA is 90˚C/W for the N package, and 135˚C/W for the WM package. Note 6: Human body model, 100 pF discharged through a 1.5 kΩ resistor. Note 7: Typical values in standard typeface are for TJ = 25˚C; values in bold face type apply for the full operating temperature range. These values represent the most likely parametric norm. Note 8: All limits are guaranteed at room temperature (standard type face) or at operating temperature extremes (bold type face). Note 9: Slew rate is measured with the op amp in a voltage follower configuration. For rising slew rate, the input voltage is driven from 5V to 25V, and the output voltage transition is sampled at 10V and @ 20V. For falling slew rate, the input voltage is driven from 25V to 5V, and the output voltage transition is sampled at 20V and 10V. Note 10: VR is the Cathode-to-feedback voltage, nominally 1.244V. Note 11: Average reference drift is calculated from the measurement of the reference voltage at 25˚C and at the temperature extremes. The drift, in ppm/˚C, is 106 • ΔVR/(VR[25˚C] • ΔTJ), where ΔVR is the lowest value subtracted from the highest, VR[25˚C] is the value at 25˚C, and ΔTJ is the temperature range. This parameter is guaranteed by design and sample testing. Note 12: Hysteresis is the change in VR caused by a change in TJ, after the reference has been “dehysterized”. To dehysterize the reference; that is minimize the hysteresis to the typical value, its junction temperature should be cycled in the following pattern, spiraling in toward 25˚C: 25˚C, 85˚C, −40˚C, 70˚C, 0˚C, 25˚C. Note 13: Low contact resistance is required for accurate measurement. 5 www.national.com LM613 Electrical Characteristics LM613 Simplified Schematic Diagrams Op Amp 00922602 Comparator 00922603 Reference/Bias 00922604 www.national.com 6 LM613 Typical Performance Characteristics (Reference) TJ = 25˚C, FEEDBACK pin shorted to V− = 0V, unless otherwise noted Reference Voltage vs Temp. Reference Voltage Drift 00922650 00922649 Accelerated Reference Voltage Drift vs Time Reference Voltage vs Current and Temperature 00922651 00922652 Reference Voltage vs Current and Temperature Reference Voltage vs Reference Current 00922654 00922653 7 www.national.com LM613 Typical Performance Characteristics (Reference) TJ = 25˚C, FEEDBACK pin shorted to V− = 0V, unless otherwise noted (Continued) Reference Voltage vs Reference Current Reference AC Stability Range 00922656 00922655 FEEDBACK Current vs FEEDBACK-to-Anode Voltage FEEDBACK Current vs FEEDBACK-to-Anode Voltage 00922657 00922658 Reference Noise Voltage vs Frequency Reference Small-Signal Resistance vs Frequency 00922659 www.national.com 00922660 8 0V, unless otherwise noted (Continued) Reference Voltage with FEEDBACK Voltage Step Reference Power-Up Time 00922661 00922662 Reference Step Response for 100 μA ∼ 10 mA Current Step Reference Voltage with 100 ∼ 12 μA Current Step 00922663 00922664 Reference Voltage Change with Supply Voltage Step Reference Change vs Common-Mode Voltage 00922665 00922666 9 www.national.com LM613 Typical Performance Characteristics (Reference) TJ = 25˚C, FEEDBACK pin shorted to V− = LM613 Typical Performance Characteristics (Op Amps) V+ = 5V, V− = GND = 0V, VCM = V+/2, VOUT = V+/2, TJ = 25˚C, unless otherwise noted Input Common-Mode Voltage Range vs Temperature VOS vs Junction Temperature 00922668 00922667 Input Bias Current vs Common-Mode Voltage Large-Signal Step Response 00922669 00922670 Output Voltage Swing vs Temp. and Current Output Source Current vs Output Voltage and Temp. 00922672 00922671 www.national.com 10 = V+/2, TJ = 25˚C, unless otherwise noted (Continued) Output Sink Current vs Output Voltage Output Swing, Large Signal 00922674 00922673 Output Impedance vs Frequency and Gain Small Signal Pulse Response vs Temp. 00922676 00922675 Small-Signal Pulse Response vs Load Op Amp Voltage Noise vs Frequency 00922678 00922677 11 www.national.com LM613 Typical Performance Characteristics (Op Amps) V+ = 5V, V− = GND = 0V, VCM = V+/2, VOUT LM613 Typical Performance Characteristics (Op Amps) V+ = 5V, V− = GND = 0V, VCM = V+/2, VOUT = V+/2, TJ = 25˚C, unless otherwise noted (Continued) Op Amp Current Noise vs Frequency Small-Signal Voltage Gain vs Frequency and Temperature 00922679 00922680 Small-Signal Voltage Gain vs Frequency and Load Follower Small-Signal Frequency Response 00922681 00922682 Common-Mode Input Voltage Rejection Ratio Power Supply Current vs Power Supply Voltage 00922684 00922683 www.national.com 12 = V+/2, TJ = 25˚C, unless otherwise noted (Continued) Positive Power Supply Voltage Rejection Ratio Negative Power Supply Voltage Rejection Ratio 00922685 00922686 Input Offset Current vs Junction Temperature Slew Rate vs Temperature 00922688 00922687 Input Bias Current vs Junction Temperature 00922689 13 www.national.com LM613 Typical Performance Characteristics (Op Amps) V+ = 5V, V− = GND = 0V, VCM = V+/2, VOUT LM613 Typical Performance Characteristics (Comparators) Input Bias Current vs Common-Mode Voltage Output Sink Current 00922611 00922610 Comparator Response Times — Inverting Input, Negative Transition Comparator Response Times — Inverting Input, Positive Transition 00922612 www.national.com 00922613 14 Comparator Response Times — Non-Inverting Input, Positive Transition LM613 Typical Performance Characteristics (Comparators) (Continued) Comparator Response Times — Non-Inverting Input, Negative Transition 00922614 00922615 Comparator Response Times — Inverting Input, Negative Transition Comparator Response Times — Inverting Input, Positive Transition 00922616 00922617 15 www.national.com LM613 Typical Performance Characteristics (Comparators) Comparator Response Times — Non-Inverting Input, Positive Transition (Continued) Comparator Response Times — Non-Inverting Input, Negative Transition 00922618 00922619 Typical Performance Distributions Average VOS Drift Military Temperature Range Average VOS Drift Industrial Temperature Range 00922620 www.national.com 00922621 16 LM613 Typical Performance Distributions (Continued) Average VOS Drift Commercial Temperature Range Average IOS Drift Military Temperature Range 00922622 00922623 Average IOS Drift Industrial Temperature Range Op Amp Voltage Noise Distribution 00922624 00922627 17 www.national.com LM613 Typical Performance Distributions (Continued) Average IOS Drift Commercial Temperature Range Op Amp Current Noise Distribution 00922625 00922628 Voltage Reference Broad-Band Noise Distribution 00922629 FIGURE 1. Voltage Associated with Reference (current source Ir is external) The reference equivalent circuit reveals how Vr is held at the constant 1.2V by feedback, and how the FEEDBACK pin passes little current. To generate the required reverse current, typically a resistor is connected from a supply voltage higher than the reference voltage. Varying that voltage, and so varying Ir, has small effect with the equivalent series resistance of less than an ohm at the higher currents. Alternatively, an active current source, such as the LM134 series, may generate Ir. 00922626 Application Information VOLTAGE REFERENCE Reference Biasing The voltage reference is of a shunt regulator topology that models as a simple zener diode. With current Ir flowing in the “forward” direction there is the familiar diode transfer function. Ir flowing in the reverse direction forces the reference voltage to be developed from cathode to anode. The cathode may swing from a diode drop below V− to the reference voltage or to the avalanche voltage of the parallel protection diode, nominally 7V. A 6.3V reference with V+ = 3V is allowed. 00922630 FIGURE 2. Reference Equivalent Circuit www.national.com 18 LM613 Application Information (Continued) 00922631 00922633 FIGURE 3. 1.2V Reference R1 = Vr/I = 1.24/32μ = 39k R2 = R1 {(Vro/Vr) − 1} = 39k {(5/1.24) − 1)} = 118k Capacitors in parallel with the reference are allowed. See the Reference AC Stability Range typical curve for capacitance values — from 20 μA to 3 mA any capacitor value is stable. With the reference’s wide stability range with resistive and capacitive loads, a wide range of RC filter values will perform noise filtering. FIGURE 5. Resistors R1 and R2 Program Reference Output Voltage to be 5V Understanding that Vr is fixed and that voltage sources, resistors, and capacitors may be tied to the FEEDBACK pin, a range of Vr temperature coefficients may be synthesized. Adjustable Reference The FEEDBACK pin allows the reference output voltage, Vro, to vary from 1.24V to 6.3V. The reference attempts to hold Vr at 1.24V. If Vr is above 1.24V, the reference will conduct current from Cathode to Anode; FEEDBACK current always remains low. If FEEDBACK is connected to Anode, then Vro = Vr = 1.24V. For higher voltages FEEDBACK is held at a constant voltage above Anode — say 3.76V for Vro = 5V. Connecting a resistor across the constant Vr generates a current I=R1/Vr flowing from Cathode into FEEDBACK node. A Thevenin equivalent 3.76V is generated from FEEDBACK to Anode with R2=3.76/I. Keep I greater than one thousand times larger than FEEDBACK bias current for < 0.1% error — I≥32 μA for the military grade over the military temperature range (I≥5.5 μA for a 1% untrimmed error for a commercial part). 00922634 FIGURE 6. Output Voltage has Negative Temperature Coefficient (TC) if R2 has Negative TC 00922632 00922635 FIGURE 4. Thevenin Equivalent of Reference with 5V Output FIGURE 7. Output Voltage has Positive TC if R1 has Negative TC 19 www.national.com LM613 Application Information (Continued) 00922639 FIGURE 11. Negative-TC Current Source 00922636 Reference Hysteresis FIGURE 8. Diode in Series with R1 Causes Voltage Across R1 and R2 to be Proportional to Absolute Temperature (PTAT) The reference voltage depends, slightly, on the thermal history of the die. Competitive micro-power products vary — always check the data sheet for any given device. Do not assume that no specification means no hysteresis. Connecting a resistor across Cathode-to-FEEDBACK creates a 0 TC current source, but a range of TCs may be synthesized. OPERATIONAL AMPLIFIERS AND COMPARATORS Any amp, comparator, or the reference may be biased in any way with no effect on the other sections of the LM613, except when a substrate diode conducts, see Electrical Characteristics (Note 1). For example, one amp input may be outside the common-mode range, another amp may be operating as a comparator, and all other sections may have all terminals floating with no effect on the others. Tying inverting input to output and non-inverting input to V− on unused amps is preferred. Unused comparators should have non-inverting input and output tied to V+, and inverting input tied to V−. Choosing operating points that cause oscillation, such as driving too large a capacitive load, is best avoided. 00922637 Op Amp Output Stage These op amps, like the LM124 series, have flexible and relatively wide-swing output stages. There are simple rules to optimize output swing, reduce cross-over distortion, and optimize capacitive drive capability: I = Vr/R1 = 1.24/R1 FIGURE 9. Current Source is Programmed by R1 1. Output Swing: Unloaded, the 42 μA pull-down will bring the output within 300 mV of V− over the military temperature range. If more than 42 μA is required, a resistor from output to V− will help. Swing across any load may be improved slightly if the load can be tied to V+, at the cost of poorer sinking open-loop voltage gain. 2. Cross-Over Distortion: The LM613 has lower cross-over distortion (a 1 VBE deadband versus 3 VBE for the LM124), and increased slew rate as shown in the characteristic curves. A resistor pull-up or pull-down will force class-A operation with only the PNP or NPN output transistor conducting, eliminating cross-over distortion. 3. Capacitive Drive: Limited by the output pole caused by the output resistance driving capacitive loads, a pulldown resistor conducting 1 mA or more reduces the output stage NPN re until the output resistance is that of the current limit 25Ω. 200 pF may then be driven without oscillation. 00922638 FIGURE 10. Proportional-to-Absolute-Temperature Current Source www.national.com 20 The offset voltage may increase when the output voltage is low and the output current is less than 30 μA. Thus, for best accuracy, the pull-up resistor value should be low enough to allow the output transistor to sink more than 30 μA. (Continued) Comparator Output Stage The comparators, like the LM139 series, have open-collector output stages. A pull-up resistor must be added from each output pin to a positive voltage for the output transistor to switch properly. When the output transistor is OFF, the output voltage will be this external positive voltage. For the output voltage to be under the TTL-low voltage threshold when the output transistor is ON, the output current must be less than 8 mA (over temperature). This impacts the minimum value of pull-up resistor. Op Amp and Comparator Input Stage The lateral PNP input transistors, unlike those of most op amps, have BVEBO equal to the absolute maximum supply voltage. Also, they have no diode clamps to the positive supply nor across the inputs. These features make the inputs look like high impedances to input sources producing large differential and common-mode voltages. 21 www.national.com LM613 Application Information LM613 Typical Applications 00922640 FIGURE 12. High Current, High Voltage Switch 00922641 FIGURE 13. High Speed Level Shifter. Response time is approximately 1.5 μs, where output is either approximately +V or −V. 00922643 *10k must be low t.c. trimpot FIGURE 14. Ultra Low Noise, 10.00V Reference. Total output noise is typically 14 μVRMS. www.national.com 22 LM613 Typical Applications (Continued) 00922644 00922647 FIGURE 15. Basic Comparator FIGURE 18. Comparator with Hysteresis (ΔVH = +V(1k/1M)) 00922645 FIGURE 16. Basic Comparator with External Strobe 00922646 FIGURE 17. Wide-Input Range Comparator with TTL Output Ordering Information Reference Tolerance & VOS ± 0.6% Temperature Range Military Industrial −55˚C ≤ TA ≤ +125˚C −40˚C ≤ TA ≤ +85˚C LM613AMJ/883 (Note 14) 80 ppm/˚C Max. VOS ≤ 3.5 mV ± 2.0% 150 ppm/˚C Max. VOS ≤ 5.0 mV Max. LM613IWM LM613IWMX Package NSC Drawing 16-Pin Ceramic DIP J16A 16-Pin Wide Surface Mount M16B Note 14: A military RETS 613AMX electrical test specification is available on request. The Military screened parts can also be procured as a Standard Military Drawing. 23 www.national.com LM613 Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead Ceramic Dual-In-Line Package (J) Order Number LM613AMJ/883 NS Package Number J16A 16-Lead Small Outline Package (WM) Order Number LM613IWM or LM613IWMX NS Package Number M16B www.national.com 24 LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 www.national.com National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Français Tel: +33 (0) 1 41 91 8790 National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. LM613 Dual Operational Amplifiers, Dual Comparators, and Adjustable Reference Notes