MAX9030

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Technical content

Features

♦ Low-Cost Solution Available in Space-Saving SC70 Packages (MAX9030/MAX9031) ♦ +2.5 to +5.5V Single-Supply Voltage Range ♦ Comparator Output Swings Rail-to-Rail ♦ Internal 4mV Comparator Hysteresis ♦ 188ns Propagation Delay ♦ Low 35µA Supply Current ♦ No Phase Reversal for Overdriven Inputs ♦ Space-Saving Packages 5-Pin SC70 (MAX9031) 6-Pin SC70 (MAX9030) 8-Pin SOT23 (MAX9032) 14-Pin TSSOP (MAX9034) MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators TOP VIEW VSS OUTIN-

15 VDDIN+

SOT23/μMAX/SO MAX9032 OUTD IND- IND+ VSSVDD INA+ INA- OUTA MAX9034 INC+ INC- OUTCOUTB INB- INB+ TSSOP/SO VSS OUTIN- 1 6 VDD IN+ MAX9030 SC70/SOT23 SHDN Pin Configurations 19-1767; Rev 1; 5/10

Ordering Information

+Denotes a lead-free(Pb)/RoHS-compliant package. T= Tape and reel. Battery-Powered Portable Systems Mobile Communications Sensor Signal Detection Photodiode Preamps Digital Line Receivers Keyless Entry Systems Threshold Detectors/ Discriminators Typical Application Circuit appears at end of data sheet. PART TEMP. RANGE PIN-PACKAGE M A X9 0 3 0 AX T+ T -40 °C to +125°C 6 SC70 MAX9030AUT+ T -40 °C to +125°C 6 SOT23 MAX9031AXK+ T -40 °C to +125°C 5 SC70 MAX9031AUK+ T -40 °C to +125°C 5 SOT23 M A X 9 0 3 2 A KA + T -40 °C to +125°C 8 SOT23 MAX9032AUA+ -40 °C to +125°C 8 µMAX MAX9032ASA+ -40 °C to +125°C 8 SO M A X9 0 3 4 AUD+ -40 °C to +125°C 14 TSSOP MAX9034AS D + -40 °C to +125°C 14 SO For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = +5V, V SS = 0, V CM = 0, V SHDN = +5V (Note 1), T A = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) 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 specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Output Short-Circuit DD or VSS Continuous Power Dissipation (T Operating Temperature Range PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage Range VDD Guaranteed by PSRR test 2.5 5.5 V S upp l y C ur rent p er C om par ator I DD 35 55 μA Supply Current in Shutdown V S HDN = 0 (Note 1) 0.05 1 μA Shutdown Input Bias Current V S HDN = 0 to VDD (Note 1) 0.1 2.5 μA Shutdown Logic High (Note 1) 0.7 × V D D V Shutdown Logic Low (Note 1) 0.3 × V D D V Input Offset Voltage VOS (Note 3) ±1 ±5m V Input Offset Voltage Temperature Coefficient TCVOS ±1 µV/ °C Hysteresis (Note 4) 4 mV Input Bias Current IBIAS 88 0 n A Input Offset Current IOS ±2 ±60 nA Common-Mode Voltage Range V CM Guaranteed by CMRR test VSS VDD - 1.1 V C om m on- M od e Rej ecti on Rati o CMRR V S S ≤ V C M ≤ ( V D D - 1.1V ) , V D D = + 5.5V 72 100 d B Power-Supply Rejection Ratio PSRR V DD = +2.5V to +5.5V 72 100 dB

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators ELECTRICAL CHARACTERISTICS (continued) (VDD = +5V, V SS = 0, V CM = 0, V SHDN = +5V (Note 1), T A = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ISOURCE = 10µA 2VOH = VDD - VOUT, (VIN+ - VIN-) ≥ 20mV ISOURCE = 4mA 165 400 ISINK = 10µA 2Output Voltage-Swing VOL, VOH VOL = VOUT - VSS, (VIN- - VIN+) ≥ 20mV ISINK = 4mA 165 400 mV Output Short-Circuit Current I SC 45 m A Shutdown Mode Output Leakage V SHDN ≤ (0.3 × VDD), VOUT = 0 to VDD (Note 1) ±0.01 ±3.5 μA VOD = 10mV 228Propagation Delay tP D +, tP D - RL = 10kΩ, CL = 15pF (Note 5) VOD = 100mV 188 ns Rise/Fall-Time tR, tF VDD = +5V, RL = 10kΩ, CL = 15pF (Note 6) 20 ns Shutdown Delay Time ON/OFF (Note 1) 40 ns Shutdown Delay Time OFF/ON (Note 1) 400 ns Power-On Time RL = 10kΩ, CL = 15pF 200 ns Maximum Capacitive Load CL No sustained oscillations 150 pF Note 1: MAX9030 only. Note 2: All devices are production tested at +25°C. All temperature limits are guaranteed by design. Note 3: Comparator Input Offset is defined as the center of the hysteresis zone. Note 4: Hysteresis is defined as the difference of the trip points required to change comparator output states. Note 5: VOD is the overdrive that is beyond the offset and hysteresis-determined trip points. Note 6: Rise and fall times are measured between 10% and 90% at OUT. Typical Operating Characteristics (VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD= 100mV, TA = +25°C, unless otherwise noted.) SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX9030/1/2/4 toc01 SUPPLY VOLTAGE (V) SUPPLY CURRENT (μA) -50 25 50-25 0 75 100 125 SUPPLY CURRENT vs. TEMPERATURE MAX9030/1/2/4 toc02 TEMPERATURE (°C) SUPPLY CURRENT (μA) 1000 100 OUTPUT TRANSITION FREQUENCY (Hz) SUPPLY CURRENT (μA) SUPPLY CURRENT vs. OUTPUT TRANSITION FREQUENCY 100 1k 10k 100k 1M MAX9030/1/2/4 toc03

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators Typical Operating Characteristics (continued) (VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD = 100mV, TA = +25°C, unless otherwise noted.) -0.5 -0.2 -0.3 -0.4 -0.1 0.4 0.3 0.2 0.1 0.5 -50 -25 0 25 50 75 100 125 INPUT OFFSET VOLTAGE vs. TEMPERATURE MAX9030/1/2/4 toc04 TEMPERATURE (°C) INPUT OFFSET VOLTAGE (mV) 100 140 160 120 180 OUTPUT HIGH VOLTAGE vs. SOURCE CURRENT MAX9030/1/2/4 toc05 SOURCE CURRENT (mA) VDD - VOUT OUTPUT HIGH VOLTAGE (mV) 100 140 160 120 180 OUTPUT LOW VOLTAGE vs. SINK CURRENT MAX9030/1/2/4 toc06 SINK CURRENT (mA) OUTPUT LOW VOLTAGE (mV) -50 25 50-25 0 75 100 125 OUTPUT SHORT-CIRCUIT (SINK) CURRENT vs. TEMPERATURE MAX9030/1/2/4 toc07 TEMPERATURE (°C) SHORT-CIRCUIT SINK CURRENT (mA) -50 25 50-25 0 75 100 125 OUTPUT SHORT-CIRCUIT (SOURCE) CURRENT vs. TEMPERATURE MAX9030/1/2/4 toc08 TEMPERATURE (°C) SHORT-CIRCUIT SOURCE CURRENT (mA) 100 160 140 120 180 200 220 240 260 280 300 05 0 25 75 100 125 150 PROPAGATION DELAY vs. CAPACITIVE LOAD (VDD = 2.7V) MAX9030/1/2/4 toc09 CAPACITIVE LOAD (pF) PROPAGATION DELAY (ns) 100 160 140 120 180 200 220 240 260 280 300 05 0 25 75 100 125 150 PROPAGATION DELAY vs. CAPACITIVE LOAD (VDD = +5V) MAX9030/1/2/4 toc10 CAPACITIVE LOAD (pF) PROPAGATION DELAY (ns) tPD- tPD+ 100 160 140 120 200 180 280 260 240 220 300 -50 -25 0 25 50 75 100 125 PROPAGATION DELAY vs. TEMPERATURE MAX9030/1/2/4 toc11 TEMPERATURE (°C) PROPAGATION DELAY (ns) tPD- tPD+ 125 100 175 150 275 250 225 200 300 0 2 04 06 08 0 1 0 0 1 2 0 1 4 0 PROPAGATION DELAY vs. INPUT OVERDRIVE VOLTAGE MAX9030/1/2/4 toc12 INPUT OVERDRIVE VOLTAGE (mV) PROPAGATION DELAY (ns) tPD- tPD+

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators TIME (200ns/div) PROPAGATION DELAY MAX9030/1/2/4 toc13 OUT 2V/div IN+ - IN- 200mV/div TIME (2μs/div) OUTPUT SWITCHING CURRENT, RISING MAX9030/1/2/4 toc14 SWITCHING CURRENT 200μA/div IN+ - IN- 5V/div OUT 5V/div TIME (1μs/div) OUTPUT SWITCHING CURRENT, FALLING MAX9030/1/2/4 toc15 SWITCHING CURRENT 50μA/div IN+ - IN- 5V/div OUT 5V/div TIME (100ns/div) SINUSOID 1MHz RESPONSE AT 1.25MHz VOD = 100mV MAX9030/1/2/4 toc16 IN+ - IN- 100mV/div OUT 2V/div TIME (100ns/div) SINUSOID 1MHz RESPONSE AT 1.25MHz VOD = 10mV MAX9030/1/2/4 toc17 IN+ - IN- 10mV/div OUT 2V/div TIME (200ns/div) POWER-UP DELAY MAX9030/1/2/4 toc18 VDD OUT 2.5V/div Typical Operating Characteristics (continued) (VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD = 100mV, TA = +25°C, unless otherwise noted.)

MAX9030/MAX9031/MAX9032/MAX9034 Detailed Description The MAX9030/MAX9031/MAX9032/MAX9034 are sin- gle/dual/quad low-cost comparators. They have an operating supply voltage from +2.5V to +5.5V when operating from a single supply and from ±1.25V to ±2.75V when operating from dual power supplies, and consume only 35µA. Their common-mode input voltage range extends from the negative supply to within 1.1V of the positive supply. Internal hysteresis ensures clean output switching, even with slow-moving input signals. Shutdown Mode The MAX9030 comparator comes with a power-saving shutdown mode. When in shutdown, the supply current drops from a typical 35µA to 0.05µA, and the outputs become high impedance. SHDN has a high input imped- ance and typically draws 0.1µA when connected to V SS or V DD. A maximum logic low voltage of 0.3V ✕ VDD applied to SHDN places the device in the shutdown mode. A minimum logic high voltage of 0.7V ✕ VDD applied to SHDN will enable normal operation. To dis- able shutdown, connect SHDN to VDD. Applications Information Adding Hysteresis Hysteresis extends the comparator’s noise margin by increasing the upper threshold and decreasing the lower threshold. A voltage-divider from the output of the comparator sets the trip voltage. Therefore, the trip volt- age is related to the output voltage. These comparators have 4mV internal hysteresis. Additional hysteresis can be generated with two resis- tors using positive feedback (Figure 1). Use the follow- ing procedure to calculate resistor values: Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators Pin Description PIN M A X9 0 3 0 M A X9 0 3 1 M A X9 0 3 2 M A X9 0 3 4 NAME FUNCTION 1 1 — — IN+ Comparator Noninverting Input 224 1 1V SS N eg ati ve S up p l y V ol tag e. Byp ass w i th a 0.1µF cap aci tor . 3 3 — — IN- Comparator Inverting Input 4 4 — — OUT Comparator Output 5— — — SHDN Shutdown 658 4 V DD P osi ti ve S up p l y V ol tag e. Byp ass w i th a 0.1µF cap aci tor . — — 1 1 OUTA Comparator A Output — — 2 2 INA- Comparator A Inverting Input — — 3 3 INA+ Comparator A Noninverting Input — — 5 5 INB+ Comparator B Noninverting Input — — 6 6 INB- Comparator B Inverting Input — — 7 7 OUTB Comparator B Output — — — 8 OUTC Comparator C Output — — — 9 INC- Comparator C Inverting Input — — — 10 INC+ Comparator C Noninverting Input — — — 12 IND+ Comparator D Noninverting Input — — — 13 IND- Comparator D Inverting Input — — — 14 OUTD Comparator D Output

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators MAX9031 OUT IN+ IN- VIN VDD VDD VIN VREF RL 0.1μF Typical Application Circuit Chip Information TRANSISTOR COUNT/MAX9030/MAX9031: 123 TRANSISTOR COUNT/MAX9032: 184 TRANSISTOR COUNT/MAX9034: 368

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators

Package Information

For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE PACKAGE CODE DOCUMENT NO.

5 SC70 X5+1 21-0076

6 SC70 X6SN+1 21-0077

5 SOT23 U5+2 21-0057

6 SOT23 U6SN+1 21-0058

8 SOT23 K8+5 21-0078

8 SO U8+2 21-0262

14 SO S14+1 21-0041

8 µMAX U8+3 21-0036

14 TSSOP U14+3 21-0066

MAX9030/MAX9031/MAX9032/MAX9034 Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7610 © 2010 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.

Revision History

0 10/00 Initial release — 1 5/10 Removed future product reference and added lead-free parts 1