LMH7322_0706 NSC [National Semiconductor], LMH7322_0706 Datasheet
LMH7322_0706
Related parts for LMH7322_0706
LMH7322_0706 Summary of contents
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LMH7322 Dual 700 ps High Speed Comparator with RSPECL Outputs General Description The LMH7322 is a dual comparator with 700 ps propagation delay and low dispersion of 75 ps. The input voltage range extends from V -1. ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Human Body Model Machine Model Output Short Circuit Duration Supply Voltages (V + –V − ...
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AC Electrical Characteristics = 50Ω 12V 0V, R CCI CCO EE L Symbol Parameter TR Maximum Toggle Rate Minimum Pulse Width Jitter t Propagation Delay. PDH (see Figure 3 application note) ...
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Symbol Parameter V Latch Enable Differential RID-LE Voltage Range OUTPUT CHARACTERISTICS V Output Voltage High OH V Output Voltage Low OL V Output Voltage Differential OD POWER SUPPLIES I V Supply Current/ Channel VCCI CCI I V Supply Current/ Channel ...
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Symbol Parameter TC V Input Offset Voltage Input Voltage Range RI V Input Differential Voltage RID Range CMRR Common Mode Rejection Ratio PSRR Power Supply Rejection Ratio A Active Gain V Hyst Hysteresis LATCH ENABLE CHARACTERISTICS I ...
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Symbol Parameter t Latch Setup Time sLE t Latch Hold Time hLE t Latch to Output Delay Time PD_LE Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which ...
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Typical Performance Characteristics otherwise specified. Propagation Delay vs. Supply Voltage Propagation Delay vs. Supply Voltage Propagation Delay vs. Common Mode Voltage 25° +5V CCI Propagation Delay vs. Temperature 20183226 Propagation Delay vs. Overdrive ...
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T Dispersion vs. Supply Voltage PD Common Mode Dispersion vs. Supply Voltage Input Current vs. Differential Input Voltage www.national.com Slew Rate Dispersion vs. Voltage Supply 20183232 Bias Current vs. Temperature 20183234 Maximum Toggle Rate 20183236 8 20183233 20183235 20183237 ...
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Output Voltage vs. Input Voltage 20183238 Hysteresis Voltage vs. Hysteresis Resistor 9 20183239 www.national.com ...
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Application Information INTRODUCTION The LMH7322 is a high speed comparator with RS(P)ECL (Reduced Swing Positive Emitter Coupled Logic) outputs, and is compatible with LVDS (Low Voltage Differential Sig- naling set to 2.5V. The use of complementary CCO ...
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DEFINITIONS Symbol Text I Input Bias Current B I Input Offset Current Average Input Offset Current Drift Temperature coefficient Input Offset Voltage Average Input Offset Voltage Drift Temperature coefficient of ...
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Symbol t resp t Propagation Delay PDH PDL t resp t PDL PDH t PDLH t PDHL resp t PDHd PDLd t Input Overdrive Dispersion OD-disp t Input Slew Rate Dispersion SR-disp t Input Common Mode Dispersion ...
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FIGURE 3. Timing Definitions FIGURE 4. LE Timing 13 20183204 20183203 www.national.com ...
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Pin Descriptions Pin Name Description 1. VCCOA Positive Supply Output Stage part A 2. LEA Latch Enable Input 3. LEA Latch Enable Input Not 4. VEEA Negative Supply 5. VCCIA Positive Supply for Input Stage 6. RHYSA Hysteresis Resistor 7. ...
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TIPS & TRICKS USING THE LMH7322 In this section several aspects are discussed concerning spe- cial applications using the LMH7322. This concerns the LE function, the connection of the DAP in conjunction to the V pins and the use of ...
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Figure 7). In the same way the V can be connected to the ECL supply voltage of −5.2V. EE Interface from Analog to LVDS As seen in Figure 8, the LMH7322 can ...
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A designer has to know these effects and has to deal with them. In order to predict what the output signal will do, several parameters are defined which describe the behavior of the comparator. For a good understanding of ...
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FIGURE 12. Overdrive Dispersion The overdrive dispersion is caused by the switching currents in the input stage which is dependent on the level of the dif- ferential input signal. Slew Rate Dispersion The slew rate is another parameter that affects ...
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FIGURE 15. Oscillations on Output Signal In most circumstances this is not an option because the slew rate of the input signal will vary. Using Hysteresis A good way to avoid oscillations and noise during slow slopes is the use ...
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In this case the current I has the same value as the current P through the termination resistor. This means that the voltage drops at the input and the rise and fall times are dramatically different from the specified numbers ...
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These cables have a characteristic impedance determined by their geometric parameters. Widely used impedances for the coaxial cable are 50Ω and 75Ω. Twisted pair cables have impedances of about 120Ω to 150Ω. Other types of transmission lines are the strip ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 24-Pin LLP Package NS Package Number SQA24A 22 ...
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Notes 23 www.national.com ...
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THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION (“NATIONAL”) PRODUCTS. NATIONAL MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS PUBLICATION AND RESERVES THE RIGHT TO MAKE ...