LMX331

LMX331 MAXIM | Alldatasheet

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Technical content

Features

o Guaranteed 1.8V to 5.5V Performance o -40°C to +125°C Automotive Temperature Range o Low Supply Current (60µA/Comparator at VDD = 5.0V) o Input Common-Mode Voltage Range Includes Ground o No Phase Reversal for Overdriven Inputs o Low Output Saturation Voltage (100mV) o Internal 2mV Hysteresis (LMX331H/LMX393H/LMX339H) o 5-Pin SC70 Space-Saving Package (2.0mm ✕ 2.1mm ✕ 1.0mm) (LMX331/LMX331H) LMX331/LMX393/LMX339 General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators TOP VIEW 14 OUTC OUTD VSS IND+INA- VDD OUTA OUTB IND- INC+ INC-INB+ INB- INA+ TSSOP/SO VSS OUTIN-

15 VDDIN+

SOT23/µMAX LMX393/LMX393H LMX339/LMX339H AD BC A B Pin Configurations 19-1958; Rev 2; 1/02 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Ordering Information

LMX331AXK-T -40 °C to +125°C 5 SC70-5 ACD LMX331AUK-T -40 °C to +125°C 5 SOT23-5 ADQR LMX331HAXK-T -40°C to +125°C 5 SC70-5 ACE LMX331HAUK-T -40°C to +125°C 5 SOT23-5 ADQS LMX393AKA-T -40°C to +125°C 8 SOT23-8 AAIF LMX393AUA -40°C to +125°C 8 µMAX — LMX393HAKA-T -40°C to +125°C 8 SOT23-8 AAIG LMX393HAUA -40°C to +125°C 8 µMAX — LMX339AUD -40°C to +125°C 14 TSSOP — LMX339ASD -40°C to +125°C 14 SO — LMX339HAUD -40°C to +125°C 14 TSSOP — LMX339HASD -40°C to +125°C 14 SO —

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators ABSOLUTE MAXIMUM RATINGS DC ELECTRICAL CHARACTERISTICS— 2.7V OPERATION (VDD = 2.7V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) (Note 1) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Continuous Power Dissipation (TA = +70°C) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Offset Voltage V OS 0.2 7 mV Input Voltage Hysteresis V HYST LMX331H/LMX393H/LMX339H only 2 mV Input Offset Voltage Average Temperature Drift TCVOS 5 µV/°C TA = -40°C to +85°C ±400Input Bias Current I B TA = -40°C to +125°C ±400 nA TA = -40°C to +85°C ±150Input Offset Current I OS TA = -40°C to +125°C ±150 nA -0.1Input Voltage Range V CM 2.0 V Voltage Gain A V LMX331/LMX393/LMX339 only 50 V/mV Output Saturation Voltage V SAT ISINK ≤ 1mA 50 mV Output Sink Current I O VO ≤ 1.5V 5 37 mA LMX331/LMX331H 50 100 LMX393/LMX393H (both comparators) 70 140Supply Current (Note 2) I S LMX339/LMX339H (all four comparators) 140 200 µA TA = +25°C 0.003 TA = -40°C to +85°C1Output Leakage Current TA = -40°C to +125°C2 µA AC ELECTRICAL CHARACTERISTICS— 2.7V OPERATION (VDD = 2.7V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input overdrive = 10mV (Note 3) 500Propagation Delay Output High to Low tPHL Input overdrive = 100mV (Note 3) 100 ns Input overdrive = 10mV (Note 3) 500Propagation Delay Output Low to High tPLH Input overdrive = 100mV (Note 3) 100 ns

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators DC ELECTRICAL CHARACTERISTICS— 5.0V OPERATION (VDD = 5V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS TA = +25°C 0.25 7 TA = -40°C to +85°C9Input Offset Voltage V OS TA = -40°C to +125°C9 mV Input Voltage Hysteresis LMX331H/LMX393H/LMX339H only 2 mV Input Offset Voltage Average Temperature Drift TCVOS 5 µV/ °C TA = -40°C to +85°C ±400Input Bias Current I B TA = -40°C to +125°C ±400 nA TA = -40°C to +85°C ±150Input Offset Current I OS TA = -40°C to +125°C ±150 nA -0.1Input Voltage Range V CM 4.2 V Voltage Gain A V LMX331/LMX393/LMX339 only 20 50 V/mV TA = +25°C 70 400 TA = -40°C to +85°C 700Output Saturation Voltage V SAT ISINK ≤ 4mA TA = -40°C to +125°C 700 mV Output Sink Current I O VO ≤ 1.5V 10 73 mA TA = +25°C 60 120 TA = -40°C to +85°C 150LMX331/LMX331H TA = -40°C to +125°C 170 TA = +25°C 100 200 TA = -40°C to +85°C 250LMX393/LMX393H (both comparators) TA = -40°C to +125°C 300 TA = +25°C 170 300 TA = -40°C to +85°C 350 Supply Current (Note 2) I S LMX339/LMX339H (all four comparators) TA = -40°C to +125°C 430 µA TA = +25°C 0.003 TA = -40°C to +85°C1Output Leakage Current TA = -40°C to +125°C2 µA AC ELECTRICAL CHARACTERISTICS— 5.0V OPERATION (VDD = 5V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input overdrive = 10mV (Note 3) 400Propagation Delay Output High to Low tPHL Input overdrive = 100mV (Note 3) 90 ns Input overdrive = 10mV (Note 3) 600Propagation Delay Output Low to High tPLH Input overdrive = 100mV (Note 3) 200 ns

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators DC ELECTRICAL CHARACTERISTICS— 1.8V OPERATION (VDD = 1.8V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Offset Voltage V OS 0.2 5 mV Input Voltage Hysteresis LMX331H/LMX393H/LMX339H only 2 mV Input Offset Voltage Average Temperature Drift TCVOS 5 µV/°C Input Bias Current I B 0.05 nA Input Offset Current I OS 0.05 nA -0.1Input Voltage Range V CM 1 V Output Saturation Voltage V SAT ISINK ≤ 1mA 35 mV Power-Supply Rejection Ratio PSRR V DD = 1.8V to 5.5V 60 70 dB Output Sink Current I O VO ≤ 1.5V 15 mA LMX331/LMX331H 40 100 LMX393/LMX393H (both comparators) 65 140Supply Current (Note 2) I S LMX339/LMX339H (all four comparators) 120 200 µA Output Leakage Current 0.003 µA Note 1: All devices are production tested at +25°C. All temperature limits are guaranteed by design. Note 2: Supply current when output is high. Note 3: Input overdrive is the overdrive voltage beyond the offset and hysteresis-determined trip points. AC ELECTRICAL CHARACTERISTICS— 1.8V OPERATION (VDD = 1.8V, VSS = 0, VCM = 0, RL = 5.1kΩ connected to VDD. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input overdrive = 10mV (Note 3) 500Propagation Delay Output High to Low tPHL Input overdrive = 100mV (Note 3) 100 ns Input overdrive = 10mV (Note 3) 500Propagation Delay Output Low to High tPLH Input overdrive = 100mV (Note 3) 100 ns

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators 100 13 2 456 LMX331 SUPPLY CURRENT vs. SUPPLY VOLTAGE LMX331 toc01 SUPPLY VOLTAGE (V) SUPPLY CURRENT (µA) VOUT = HIGH TA = +125°C TA = +85°C TA = +25°C TA = -40°C 100 160 140 120 180 13 2 456 LMX331 SUPPLY CURRENT vs. SUPPLY VOLTAGE LMX331 toc02 SUPPLY VOLTAGE (V) SUPPLY CURRENT (µA) TA = +125°C VOUT = LOW TA = +85°C TA = +25°C TA = -40°C -1.0 -0.5 0.5 1.0 1.5 -40 0 20-20 40 60 80 100 120 INPUT OFFSET VOLTAGE vs. TEMPERATURE LMX331 toc03 TEMPERATURE (°C) INPUT OFFSET VOLTAGE (mV) VDD = 2.7V VDD = 5.0V VDD = 1.8V 120 100 140 OUTPUT LOW VOLTAGE vs. SINK CURRENT LMX331 toc04 SINK CURRENT (mA) OUTPUT LOW VOLTAGE (mV) 01234 VDD = 2.7V VDD = 5.0V VDD = 1.8V 100 110 120 -40 0 -20 20 40 60 80 100 120 OUTPUT LOW VOLTAGE vs. TEMPERATURE LMX331 toc05 TEMPERATURE (°C) OUTPUT LOW VOLTAGE (mV) IOUT = 4mA 200 100 400 300 500 600 04 0 6 020 80 100 120 PROPAGATION DELAY vs. CAPACITIVE LOAD LMX331 toc06 CAPACITIVE LOAD (pF) PROPAGATION DELAY (ns) tPLH tPHL 125 150 100 175 -40 0 20-20 40 60 80 100 120 PROPAGATION DELAY vs. TEMPERATURE LMX331 toc07 TEMPERATURE (°C) PROPAGATION DELAY (ns) tPLH tPHL 150 100 200 250 300 350 400 450 500 05 0 25 75 100 125 150 PROPAGATION DELAY vs. INPUT OVERDRIVE (tPLH) LMX331 toc08 INPUT OVERDRIVE (mV) PROPAGATION DELAY (ns) TA = +125°C TA = +85°C TA = +25°C TA = -40°C 100 120 140 160 180 200 05 0 25 75 100 125 150 PROPAGATION DELAY vs. INPUT OVERDRIVE (tPHL) LMX331 toc09 INPUT OVERDRIVE (mV) PROPAGATION DELAY (ns) TA = +125°C TA = +85°C TA = +25°C TA = -40°C Typical Operating Characteristics (VDD = 5V, VSS = 0, VCM = 0, RL = 5.1kΩ, CL = 10pF, overdrive = 100mV, TA = +25°C, unless otherwise noted.)

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators Typical Operating Characteristics (continued) (VDD = 5V, VSS = 0, VCM = 0, RL = 5.1kΩ, CL = 10pF, overdrive = 100mV, TA = +25°C, unless otherwise noted.) 0.5 1.0 1.5 2.0 2.5 3.0 -40 0 -20 20 40 60 80 100 120 LMX331H/LMX393H/LMX339H HYSTERESIS vs. TEMPERATURE LMX331 toc10 TEMPERATURE (°C) HYSTERESIS (mV) 13 24 5 6 LMX331H/LMX393H/LMX339H HYSTERESIS vs. SUPPLY VOLTAGE LMX331 toc11 SUPPLY VOLTAGE (V) HYSTERESIS (mV) TIME (200ns/div) (IN-) - IN+ 100mV/div OUT 2V/div LMX331 toc12 PROPAGATION DELAY 100mV OVERDRIVE TIME (200ns/div) (IN-) - IN+ 10mV/div OUT 2V/div LMX331 toc13 PROPAGATION DELAY 10mV OVERDRIVE TIME (500ns/div) (IN-) - IN+ 100mV/div OUT 2V/div LMX331 toc14 500kHz RESPONSE 100mV OVERDRIVE TIME (500ns/div) (IN-) - IN+ 10mV/div OUT 2V/div LMX331 toc15 500kHz RESPONSE 10mV OVERDRIVE TIME (2µs/div) (IN-) - IN+ 100mV/div OUT 2V/div LMX331 toc16 100kHz RESPONSE 100mV OVERDRIVE TIME (2µs/div) (IN-) - IN+ 10mV/div OUT 2V/div LMX331 toc17 100kHz RESPONSE 10mV OVERDRIVE TIME (1µs/div) VDD 2V/div OUT 2V/div LMX331 toc18 POWER-UP RESPONSE

negative supply to within 0.7V of the positive supply. a 5V supply and 40µA with a 2.7V supply. +125°C (see Typical Operating Characteristics). hysteresis to counter parasitic effects and noise. Figure 1. Threshold Hysteresis Band (Not to Scale)

IN drops below the trip point. Select R2. In this example, we will choose 1kΩ. Select VHYST. In this example, we will choose 50mV. the amount of current the reference can supply. The source current required is VREF / (R1 + R2). The sink current is (VOUT(HIGH) - VREF) ✕ (R1 + R2). to reduce high-frequency noise. Figure 2. Adding Hysteresis with External Resistors

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators

Package Information

SC70, 5L.EPS SOT5L.EPS

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators Package Information (continued) SOT23, 8L.EPS8LUMAXD.EPS

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators Package Information (continued) TSSOP,NO PADS.EPS

General-Purpose, Low-Voltage, Single/Dual/Quad, Tiny-Pack Comparators Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circu it patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. SOICN.EPS Package Information (continued)