19-1569; Rev 6; 3/09 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs Features The MAX9039–MAX9043 and MAX9050–MAX9053 feature combinations of low-power comparators and precision voltage references. Their operating voltage range makes them ideal for both 3V and 5V systems. The MAX9039/MAX9040/MAX9041/MAX9050/MAX9051 have a single comparator and reference consuming only 40µA of supply current. The MAX9042/MAX9043/ MAX9052/MAX9053 have dual comparators and one reference, and consume only 55µA of supply current. Low-voltage operation and low supply current make these devices ideal for battery-operated systems. ♦ Comparator + Precision Reference in UCSP/SOT23 The comparators feature rail-to-rail inputs and outputs, with a common-mode input voltage range that extends 250mV beyond the supply rails. Input bias current is typically 1.0pA, and input offset voltage is typically 0.5mV. Internal hysteresis ensures clean output switching, even with slow-moving input signals. The output stage features a unique design that limits supply current surges while switching, virtually eliminating supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The comparator outputs have railto-rail, push-pull output stages that sink and source up to 8mA. The propagation delay is 400ns, even with the low-operating supply current. The reference output voltage is set to 1.23V in the MAX9039, to 2.048V in the MAX9040–MAX9043, and to 2.500V in the MAX9050–MAX9053. The MAX9040– MAX9043 and the MAX9050–MAX9053 are offered in two grades: an A grade with 0.4% initial accuracy and 6ppm/°C tempco, and a B grade with 1% initial accuracy and 100ppm/°C tempco. The voltage references feature a proprietary curvature-correction circuit and laser-trimmed thin-film resistors. These series-mode references can sink or source up to 500µA of load current. Applications Precision Battery Management ♦ 2.5V to 5.5V Single-Supply Operation (MAX9039–MAX9043) ♦ Low Supply Current (MAX9039/MAX9040/ MAX9041/MAX9050/MAX9051) 40µA Quiescent 50µA with 100kHz Switching ♦ 400ns Propagation Delay ♦ Rail-to-Rail Inputs ♦ Rail-to-Rail Output Stage Sinks and Sources 8mA ♦ Internal ±3mV Hysteresis ♦ Voltage Reference Offers ±0.4% (max) Initial Accuracy (A grade) 6ppm/°C (typ) Temperature Coefficient (A grade) Stable for 0 to 4.7nF Capacitive Loads Ordering Information PART TEMP RANGE PINPACKAGE TOP MARK MAX9039BEBT-T* -40°C to +85°C 6 UCSP AAZ MAX9040AEUK-T -40°C to +85°C 5 SOT23 ADNW MAX9040BEUK-T -40°C to +85°C 5 SOT23 ADNX MAX9041AEUT-T -40°C to +85°C 6 SOT23 AAHF MAX9041BEUT-T -40°C to +85°C 6 SOT23 AAHH MAX9041AESA -40°C to +85°C 8 SO — MAX9041BESA -40°C to +85°C 8 SO — *UCSP reliability is integrally linked to the user’s assembly methods, circuit board material, and environment. Refer to the UCSP Reliability section of this data sheet for more information. Ordering Information continued at end of data sheet. Selector Guide appears at end of data sheet. Pin Configurations TOP VIEW (BUMPS ON BOTTOM) TOP VIEW Level Translators Digital Line Receivers IN+ B1 A1 VEE OUT 1 IN- B2 A2 OUT VEE 2 REF B3 A3 VCC IN+ 3 Window Comparators IR Receivers Typical Operating Circuit and Functional Diagrams appear at end of data sheet. MAX9039 UCSP UCSP is a trademark of Maxim Integrated Products, Inc. 5 VCC 4 REF MAX9040 MAX9050 SOT23 Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. 1 MAX9039–MAX9043/MAX9050–MAX9053 General Description MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs ABSOLUTE MAXIMUM RATINGS Supply Voltage (VCC to VEE) ....................................-0.3V to +6V All Other Pins ...................................(VEE - 0.3V) to (VCC + 0.3V) Current into Input Pins ......................................................±20mA Output Short-Circuit Duration (OUT_, REF) ...............Indefinite Short Circuit to Either Supply Continuous Power Dissipation (TA = +70°C) 5-Pin SOT23 (derate 7.10mW/°C above +70°C)..........571mW 6-Bump UCSP (derate 3.9mW/°C above +70°C) ........308mW 6-Pin SOT23 (derate 8.70mW/°C above +70°C)..........696mW 8-Pin SO (derate 5.88mW/°C above +70°C)................471mW 8-Pin µMAX® (derate 4.1mW/°C above +70°C) ...........330mW 10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Bump Reflow Temperature (Note 1) ................................+235°C Note 1: This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles recommended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection Packaging Reflow. Preheating is required. Hand or wave soldering is not allowed. 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. ELECTRICAL CHARACTERISTICS—A Grade (0.4% Initial Accuracy) (VCC = +5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER Supply Voltage Range (Note 3) SYMBOL VCC CONDITIONS ICC TYP MAX MAX9040–MAX9043 2.5 5.5 MAX9050–MAX9053 2.7 5.5 MAX9040/MAX9041/ MAX9050/MAX9051 Supply Current MIN MAX9042/MAX9043/ MAX9052/MAX9053 VCC = 2.7V 47 67 VCC = 5V 52 72 VCC = 2.7V 55 80 VCC = 5V 60 85 ±0.5 ±5.0 UNITS V µA COMPARATORS Input Offset Voltage (Note 4) Input Hysteresis Input Bias Current (Notes 5, 6, 7) Input Offset Current (Note 5) Common-Mode Voltage Range (Notes 5, 8) VOS Over entire common-mode range TA = +25°C mV TA = -40°C to +85°C ±7.0 VHYST ±3.0 IB Specified common-mode range ±0.001 IOS Specified common-mode range ±0.5 CMVR Common-Mode Rejection Ratio (Note 5) CMRR Power-Supply Rejection Ratio PSRR Input Capacitance (Note 5) CIN Output Short-Circuit Current ISC Output Voltage Low VOL ±10.0 VCC + 0.25 TA = -40°C to +85°C VEE VCC Specified common-mode range 52 80 MAX9040–MAX9043, 2.5V ≤ VCC ≤ 5.5V 55 80 MAX9050–MAX9053, 2.5V ≤ VCC ≤ 5.5V 55 80 VCC = 5V 95 VCC = 2.7V 35 dB pF mA VCC = 5V, ISINK = 8mA 0.2 0.55 VCC = 2.7V, ISINK = 3.5mA 0.15 0.4 _______________________________________________________________________________________ V dB 2.5 VOUT = VEE or VCC nA pA VEE 0.25 TA = +25°C µMAX is a registered trademark of Maxim Integrated Products, Inc. 2 mV V Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs (VCC = +5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER Output Voltage High Output Rise/Fall Times Output Propagation Delay (Note 9) Power-Up Time SYMBOL VOH tR/tF tPD+/ tPDtPU CONDITIONS MIN TYP VCC = 5V, ISOURCE = 8mA 4.45 4.85 VCC = 2.7V, ISOURCE = 3.5mA 2.3 2.55 CL = 15pF 40 CL = 50pF 50 CL = 200pF 80 CL = 15pF, VCC = 2.7V 50mV overdrive 450 100mV overdrive 400 Time to VOUT valid logic state MAX UNITS V ns ns 20 µs VOLTAGE REFERENCE Output Voltage VREF MAX9040–MAX9043 2.040 2.048 2.056 MAX9050–MAX9053 2.490 2.500 2.510 µMAX/SO 6 30 SOT23 6 50 TA = +25°C Output Voltage Temperature Coefficient (Note 10) TCVREF Line Regulation ΔVREF/ ΔVCC 2.5V ≤ VCC ≤ 5.5V, MAX9040–MAX9043 +50 +200 2.7V ≤ VCC ≤ 5.5V, MAX9050–MAX9053 +50 +200 Load Regulation ΔVREF/ ΔIREF Sourcing. 0µA ≤ IREF ≤ 500µA 2 4 Sinking, -500µA ≤ IREF ≤ 0µA 3.5 6 Output Short-Circuit Current ISC Thermal Hysteresis (Note 11) THYST Long-Term Stability Noise Voltage 1000h at TA = +25°C EOUT ΔVREF/ ΔVCC Ripple Rejection VREF = VEE or VCC Turn-On Settling Time tR(VREF) Capacitive-Load Stability Range (Note 7) CL(VREF) V ppm/°C µV/V µV/µA 4 mA 130 ppm 50 ppm f = 0.1Hz to 10Hz 40 µVP-P f = 10Hz to 10kHz 105 µVRMS VCC = 5V ±100mV, f = 120Hz 84 dB To VREF = 1% of final value 200 µs 0 4.7 nF ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER Supply Voltage Range (Note 3) Supply Current SYMBOL VCC ICC CONDITIONS MIN TYP MAX MAX9039–MAX9043 2.5 5.5 MAX9050–MAX5053 MAX9039/MAX9040/ MAX9041/MAX9050/ MAX9051 2.7 5.5 MAX9042/MAX9043/ MAX9052/MAX5053 VCC = 2.7V 40 VCC = 5.0V 45 VCC = 2.7V 55 VCC = 5.0V 60 100 UNITS V µA 130 _______________________________________________________________________________________ 3 MAX9039–MAX9043/MAX9050–MAX9053 ELECTRICAL CHARACTERISTICS—A Grade (0.4% Initial Accuracy) (continued) MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued) (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ±1 ±9.0 mV COMPARATOR Input Offset Voltage (Note 4) Input Hysteresis Input Bias Current (Notes 5, 6, 7) Input Offset Current (Note 5) VOS Over entire common-mode range VHYST ±3.0 IB Specified common-mode range ±0.001 IOS Specified common-mode range ±0.5 Common-Mode Voltage Range (Notes 5, 8) CMVR Common-Mode Rejection Ratio (Note 5) CMRR Power-Supply Rejection Ratio PSRR Input Capacitance (Note 5) CIN Output Short-Circuit Current ISC Output Voltage Low VOL Output Voltage High VOH Output Rise/Fall Times tR/tF VEE 52 80 MAX9039–MAX9043, 2.5V ≤ VCC ≤ 5.5V 55 80 MAX9050–MAX9053, 2.7V ≤ VCC ≤ 5.5V 55 80 VCC = 5V 95 VCC = 2.7V 35 VCC = 5V, ISINK = 8mA 0.2 VCC = 2.7V, ISINK = 3.5mA 0.15 VCC = 5V, ISOURCE = 8mA 4.45 VCC = 2.7V, ISOURCE = 3.5mA Power-Up Time tPD+/tPDtPU dB pF mA 0.55 4.85 V V 2.55 40 CL = 50pF 50 CL = 200pF 80 CL = 15pF, VCC = 2.7V V dB 2.5 VOUT = VEE or VCC nA pA VCC Specified common-mode range CL = 15pF Output Propagation Delay (Note 9) mV ±25.0 50mV overdrive 450 100mV overdrive 400 Time to VOUT valid logic state ns ns 20 µs VOLTAGE REFERENCE Output Voltage VREF Output Voltage Temperature Coefficient (Note 10) TCVREF Line Regulation ΔVREF/ ΔVCC Load Regulation ΔVREF/ ΔIREF Output Short-Circuit Current ISC Thermal Hysteresis (Note 11) THYST Long-Term Stability Noise Voltage 4 EOUT MAX9039 1.218 1.230 1.242 MAX9040–MAX9043 2.028 2.048 2.068 MAX9050–MAX9053 2.475 2.500 2.525 20 100 MAX9039–MAX9043 +50 +200 MAX9050–MAX9053 +50 +200 Sourcing: 0µA ≤ IREF ≤ 500µA 2 4 Sinking: -500µA ≤ IREF ≤ 0µA 3.5 6 TA = +25°C 2.5V ≤ VCC ≤ 5.5V VREF = VEE or VCC V ppm/°C µV/V µV/µA 4 mA 130 ppm 1000h at TA = +25°C 100 ppm f = 0.1Hz to 10Hz 40 µVP-P f = 10Hz to 10kHz 105 µVRMS _______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL ΔVREF/ ΔVCC Ripple Rejection Turn-On Settling Time tR(VREF) Capacitive Load Stability Range (Note 7) CL(VREF) CONDITIONS MIN TYP MAX UNITS VCC = 5V ±100mV, f = 120Hz 84 dB To VREF = 1% of final value 200 µs 0 4.7 nF Note 2: All devices are 100% production tested at TA = +25°C. Limits over the extended temperature range are guaranteed by design. Note 3: Supply voltage range guaranteed by PSRR test on comparator and line regulation of REF. Note 4: VOS is defined as the center of the input-referred hysteresis band. Note 5: For the comparators with the inverting input (IN-) uncommitted. Note 6: Input bias current is the average of the inverting and noninverting input bias currents. Note 7: Not production tested. Guaranteed by design. Note 8: Guaranteed by CMRR test. Note 9: VOVERDRIVE is beyond the offset and hysteresis determined trip point. Note 10: Temperature coefficient is measured by the box method; i.e., the maximum ΔVREF is divided by the maximum ΔT. Note 11: Thermal hysteresis is defined as the change in VREF at +25°C before and after cycling the device from TMIN to TMAX. Typical Operating Characteristics (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = +25°C, unless otherwise noted.) 30 20 VCC = 5.0V 50 VCC = 2.7V 40 30 20 200 MAX9039/43/50-53 toc03 VCC = 2.7V 40 VIN+ > VIN- SUPPLY CURRENT (μA) SUPPLY CURRENT (μA) 50 60 MAX9039/43/50-53 toc02 VCC = 5.0V SUPPLY CURRENT (μA) VIN+ > VIN- MAX9039/43/50-53 toc01 60 MAX9039/MAX9040/MAX9041/MAX9050/MAX9051 SUPPLY CURRENT vs. SWITCHING FREQUENCY MAX9042/MAX9043/MAX9052/MAX9053 SUPPLY CURRENT vs. TEMPERATURE MAX9039/MAX9040/MAX9041/MAX9050/MAX9051 SUPPLY CURRENT vs. TEMPERATURE 150 100 VCC = 5.0V 50 VCC = 2.7V 10 10 0 0 0 -40 -20 0 20 40 TEMPERATURE (°C) 60 80 -40 -20 0 20 40 TEMPERATURE (°C) 60 80 0.01 0.1 1 10 100 1000 SWITCHING FREQUENCY (kHz) _______________________________________________________________________________________ 5 MAX9039–MAX9043/MAX9050–MAX9053 ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued) Typical Operating Characteristics (continued) (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = +25°C, unless otherwise noted.) VCC = 2.7V 100 VCC = 5.0V 1 VCC = 2.7V 0 0.1 1 10 100 1000 0.1 1 0.01 10 0.1 1 10 40 VCC = 2.7V 20 0 80 VCC = 5.0V 600 VOD = 50mV 550 tPD (ns) 60 0 20 40 60 tPD+ TO VOUT = 50% OF FINAL VALUE tPD- TO VOUT = 50% OF FINAL VALUE 500 450 40 tPD+ TO VOUT = 10% OF FINAL VALUE VCC = 2.7V 400 20 80 tPD- TO VOUT = 10% OF FINAL VALUE 350 0 -20 MAX9039/43/50-53 toc09 VIN- > VIN+ OUT SHORTED TO VCC MAX9039/43/50-53 toc08 100 OUTPUT SOURCE CURRENT (mA) MAX9039/43/50-53 toc07 PROPAGATION DELAY vs. CAPACITIVE LOAD (VCC = 2.7V) 60 -40 -20 0 20 40 60 0 100 200 300 400 500 600 700 800 900 1000 80 TEMPERATURE (°C) TEMPERATURE (°C) CAPACITIVE LOAD (pF) PROPAGATION DELAY vs. CAPACITIVE LOAD (VCC = 5V) PROPAGATION DELAY vs. TEMPERATURE PROPAGATION DELAY vs. INPUT OVERDRIVE tPD- TO VOUT = 50% OF FINAL VALUE tPD- TO VOUT = 10% OF FINAL VALUE 350 tPD+ TO VOUT = 50% OF FINAL VALUE 500 tPD+ TO VOUT = 10% OF FINAL VALUE 450 300 CAPACITIVE LOAD (pF) -40 -20 0 700 20 40 TEMPERATURE (°C) 60 600 tPD+, VCC = 5.0V 500 tPD+, VCC = 2.7V 400 tPD-, VCC = 5.0V 300 tPD- TO VOUT = 10% OF FINAL VALUE 300 0 100 200 300 400 500 600 700 800 900 1000 tPD- TO VOUT = 50% OF FINAL VALUE 400 350 800 tPD (ns) 550 MAX9039/43/50-53 toc10b VOD = 50mV 600 900 MAX9039/43/50-53 toc10a tPD+ TO VOUT = 10% OF FINAL VALUE 650 tPD (ns) tPD+ TO VOUT = 50% OF FINAL VALUE MAX9039/43/50-53 toc10 VOD = 50mV 500 400 0.1 0.01 OUTPUT SHORT-CIRCUIT CURRENT vs. TEMPERATURE 80 450 1 OUTPUT SHORT-CIRCUIT CURRENT vs. TEMPERATURE VIN+ > VINOUT SHORTED TO VEE -40 VCC = 5.0V 10 OUTPUT SOURCE CURRENT (mA) VCC = 5.0V 550 VCC = 2.7V 100 OUTPUT SINK CURRENT (mA) 100 600 1000 SWITCHING FREQUENCY (kHz) 120 650 VIN+ > VIN- 0.1 0.01 OUTPUT SINK CURRENT (mA) VCC = 5.0V 10 50 6 100 10,000 OUTPUT HIGH VOLTAGE (VCC - VOH) (mV) 150 VIN+ < VIN- 1000 VOL (mV) SUPPLY CURRENT (μA) 200 10,000 MAX9039/43/50-53 toc05 MAX9039/43/50-53 toc04 250 OUTPUT HIGH VOLTAGE vs. OUTPUT SOURCE CURRENT OUTPUT LOW VOLTAGE vs. OUTPUT SINK CURRENT MAX9039/43/50-53 toc06 MAX9042/MAX9043/MAX9052/MAX9053 SUPPLY CURRENT vs. SWITCHING FREQUENCY tPD (ns) MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs tPD-, VCC = 2.7V 200 80 0 20 40 60 80 100 120 140 160 180 200 INPUT OVERDRIVE (mV) _______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs PROPAGATION DELAY (tPD-) A MAX9039/43/50-53 toc13 A SWITCHING CURRENT (OUT RISING EDGE) MAX9039/43/50-53 toc12 MAX9039/43/50-53 toc11 PROPAGATION DELAY (tPD+) A B B C B 100ns/div 100ns/div A = IN+, 100mV/div B = OUT, 5V/div C = ICC, 1mA/div POWER-UP DELAY (OUT) A MAX9039/43/50-53 toc16 POWER-UP DELAY (REF) MAX9039/43/50-53 toc15 MAX9039/43/50-53 toc14 SWITCHING CURRENT (OUT FALLING EDGE) A 100ns/div A = IN+, 50mV/div B = OUT, 2V/div A = IN+, 50mV/div B = OUT, 2V/div A B B C B C 5μs/div 0.001 MAX9039/43/50-53 toc18 0.75 THREE TYPICAL PARTS NORMALIZED TO +25°C 0.50 0.25 0 -0.25 -0.50 1 OUTPUT VOLTAGE CHANGE (mV) IB- 1.00 OUTPUT VOLTAGE CHANGE (mV) IB+ 0.002 MAX9039/43/50-53 tco17 INPUT BIAS CURRENT (nA) VIN- = 2.0V MAX9039 REFERENCE OUTPUT VOLTAGE TEMPERATURE DRIFT MAX904_/MAX905_ REFERENCE OUTPUT VOLTAGE TEMPERATURE DRIFT INPUT BIAS CURRENT vs. INPUT VOLTAGE 0.003 100μs/div A = VCC, 2V/div B = REF, 1V/div C = REF, 50mV/div, 2.048V OFFSET A = VCC, 2V/div B = OUT, 1V/div MAX9039/43/50-53 toc19 100ns/div A = IN+, 100mV/div B = OUT, 5V/div C = ICC, 1mA/div THREE TYPICAL PARTS NORMALIZED TO +25°C 0 -1 -2 -0.75 0 -3 -1.00 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN+ (V) -40 -20 0 20 40 TEMPERATURE (°C) 60 80 -40 -20 0 20 40 60 80 TEMPERATURE (°C) _______________________________________________________________________________________ 7 MAX9039–MAX9043/MAX9050–MAX9053 Typical Operating Characteristics (continued) (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = +25°C, unless otherwise noted.) Typical Operating Characteristics (continued) (VCC = 5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = +25°C, unless otherwise noted.) LINE REGULATION LOAD REGULATION 50 REFERENCE OUTPUT VOLTAGE CHANGE (μV) 100 0 TA = +25°C -50 TA = -40°C -100 TA = +85°C -150 2000 MAX9039/43/50-53 toc21 150 MAX9039/43/50-53 toc20 REFERENCE OUTPUT VOLTAGE CHANGE (μV) MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs TA = +85°C 1500 TA = +25°C 1000 TA = -40°C 500 0 -500 -1000 -200 -1500 2.5 3.0 3.5 4.0 4.5 5.0 5.5 -500 INPUT VOLTAGE (V) -300 -100 100 300 500 LOAD CURRENT (μA) Pin Description PIN MAX9039 MAX9040 MAX9050 UCSP SOT23 SOT23 A2 1 A1 8 MAX9042 MAX9052 MAX9043 MAX9053 SO SO/µMAX µMAX 1 6 — — OUT Comparator Output 2 2 4 4 5 VEE Negative Supply Voltage B1 3 3 3 — — IN+ Comparator Noninverting Input B3 4 5 1 2 2 REF Reference Voltage Output A3 5 6 7 8 10 VCC Positive Supply Voltage B2 — 4 2 — — IN- Comparator Inverting Input — — — 5, 8 — 9 N.C. — — — — 1 1 OUTA Comparator A Output — — — — 3 4 INA+ Comparator A Noninverting Input — — — — 5 6 INB+ Comparator B Noninverting Input — — — — 6 7 INB- Comparator B Inverting Input — — — — 7 8 OUTB — — — — — 3 INA- MAX9041 MAX9051 NAME FUNCTION No Connection. Not internally connected. Comparator B Output Comparator A Inverting Input _______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs The MAX9039–MAX9043 and MAX9050–MAX9053 feature single/dual, low-power, low-voltage comparators and a precision voltage reference. They operate from a single 2.5V to 5.5V (MAX9039/MAX904_) or 2.7V to 5.5V (MAX905_) supply. The single comparators with reference, (MAX9039/MAX9040/MAX9041/MAX9050/ MAX9051 consume only 40µA of supply current, while the dual comparators with reference (MAX9042/ MAX9043/MAX9052/MAX9053) consume only 55µA of supply current. Their common-mode input range extends 0.25V beyond each rail. Internal hysteresis ensures clean output switching, even with slow-moving input signals. The output stage employs a unique design that minimizes supply current surges while switching, virtually eliminating the supply glitches typical of many other comparators. Large internal output drivers allow rail-torail output swing that can sink and source up to 8mA of current. The precision reference uses a proprietary curvaturecorrection circuit and laser-trimmed thin-film resistors, resulting in a temperature coefficient of less than 30ppm/°C over the extended temperature range and initial accuracy of 0.4% (A grade). The reference output voltage is set to 1.23V in the MAX9039, 2.048V in the MAX9040–MAX9043, and to 2.500V in the MAX9050–MAX9053. Comparator Input Stage Circuitry The devices’ input common-mode range extends from (VEE - 0.25V) to (VCC + 0.25V). These comparators may operate at any differential input voltage within these limits. Input bias current is typically 1.0pA if the input volt- age is between the supply rails. Comparator inputs are protected from overvoltage by internal body diodes connected to the supply rails. As the input voltage exceeds the supply rails, these body diodes become forward biased and begin to conduct. Consequently, bias currents increase exponentially as the input voltage exceeds the supply rails. Comparator Output Stage Circuitry The comparators in these devices contain a unique output stage capable of rail-to-rail operation with loads up to 8mA. Many comparators consume orders-of-magnitude more current during switching than during steady-state operation. However, with this family of comparators, the supply current change during an output transition is extremely small. The Typical Operating Characteristics graph Supply Current vs. Switching Frequency shows the minimal supply current increase as the output switching frequency approaches 1MHz. This characteristic reduces the need for power-supply filter capacitors to reduce glitches created by comparator switching currents. Another advantage realized in high-speed, battery-powered applications is a substantial increase in battery life. Applications Information Additional Hysteresis These comparators have ±3mV internal hysteresis. Additional hysteresis can be generated with two resistors using positive feedback (Figure 1). Use the following procedure to calculate resistor values: 1) Calculate the trip points of the comparator using these formulas: ( R1 VCC and R2 VREF VCC IN+ OUT VIN IN- MAX9039–MAX9043 MAX9050–MAX9053 VEE Figure 1. Additional Hysteresis ) ⎞ ⎛ V CC − VREF R2 ⎟ VTH = VREF + ⎜ ⎟⎟ R1 + R2 ⎜⎜ ⎠ ⎝ ⎛ R2 ⎞ VTL = VREF ⎜1 − ⎟ ⎝ R1 + R2 ⎠ VTH is the threshold voltage at which the comparator switches its output from high to low as V IN rises above the trip point. VTL is the threshold voltage at which the comparator switches its output from low to high as VIN drops below the trip point. 2) The hysteresis band will be: ⎛ R2 ⎞ VHYS = VTH − VTL = VCC ⎜ ⎟ ⎝ R1 + R2 ⎠ _______________________________________________________________________________________ 9 MAX9039–MAX9043/MAX9050–MAX9053 Detailed Description MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs amount of overshoot (or undershoot) and assist the circuit’s transient response. When an application is not subject to transient conditions, the REF capacitor can be omitted. VCC VCC IN+ VIN OUT 10kΩ IN- 0.1μF VEE MAX9039–MAX9043 MAX9050–MAX9053 Figure 2. Time Averaging of the Input Signal for Data Recovery 3) In this example, let VCC = 5V and VREF = 2.5V: ⎛ R2 ⎞ VTH = 2.5 + 2.5 ⎜ ⎟ ⎝ R1 + R2 ⎠ fCAR >> 1 2πR1C1 where fCAR is the fundamental carrier frequency of the digital data stream. UCSP Package Consideration and ⎛ R2 ⎞ VTL = 2.5 ⎜1 − ⎟ R1 + R2 ⎠ ⎝ 4) Select R2. In this example, we will choose 1kΩ. 5) Select VHYS. In this example, we will choose 50mV. 6) Solve for R1: ⎛ R2 ⎞ VHYS = VCC ⎜ ⎟ ⎝ R1 + R2 ⎠ ⎛ 1000 ⎞ 0.050 = 5 ⎜ ⎟ ⎝ R1 +1000 ⎠ where R1 ≈ 100kΩ, VTH = 2.525V, and VTL = 2.475V. Board Layout and Bypassing Power-supply bypass capacitors are not typically needed, but would be called for in cases where supply impedance is high, supply leads are long, or excessive noise is expected on the supply lines. Use 100nF bypass capacitors under these conditions. Minimize signal trace lengths to reduce stray capacitance. Reference Output/Load Capacitance The MAX9039/MAX904_/MAX905_ do not require an output capacitor on REF for frequency stability. They are stable for capacitive loads up to 4.7nF. However, in applications where the load or the supply can experience step changes, an output capacitor will reduce the 10 Biasing for Data Recovery Digital data is often embedded into a bandwidth- and amplitude-limited analog path. Recovering the data can be difficult. Figure 2 compares the input signal to a time-averaged version of itself. This self-biases the threshold to the average input voltage for optimal noise margin. Even severe phase distortion is eliminated from the digital output signal. Be sure to choose R1 and C1 so that: For general UCSP package information and PC layout considerations, please refer to Maxim Application Note,"Wafer-Level Chip-Scale Package." UCSP Reliability The chip-scale package (UCSP) represents a unique packaging form factor that may not perform equally to a packaged product through traditional mechanical reliability tests. UCSP reliability is integrally linked to the user’s assembly methods, circuit board material, and usage environment. The user should closely review these areas when considering use of a UCSP. Performance through Operating Life Test and Moisture Resistance remains uncompromised as it is primarily determined by the wafer-fabrication process. Mechanical stress performance is a greater consideration for a UCSP. UCSPs are attached through direct solder contact to the user’s PC board, foregoing the inherent stress relief of a packaged product lead frame. Solder joint contact integrity must be considered. Information on Maxim’s qualification plan, test data, and recommendations are detailed in the UCSP application note, which can be found on Maxim’s website at www.maxim-ic.com. Chip Information PROCESS: BiPOLAR ______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs 1 OUTA VEE 2 1 OUT VCC MAX9042 MAX9052 2 REF 5 VCC 3 IN+ REF OUTB 8 7 INB- 6 3 INA+ REF REF 4 4 VEE MAX9040 MAX9050 6 (A2) 1 OUTA VEE 4 (A1) OUT INB+ 5 VCC MAX9043 MAX9053 REF 2 REF OUTB 10 8 REF 1 (B3) 7 (A3) VCC 3 INA- INB- 7 4 INA+ REF IN- 2 (B2) 3 (B1) IN+ 5 VEE INB+ 6 MAX9039 MAX9041 MAX9051 ( ) MAX9039 UCSP BUMPS. Selector Guide PART COMPARATORS PER PACKAGE VREF (V) MAX9039 1 1.230 Uncommitted MAX9040 1 2.048 REF MAX9041 1 2.048 Uncommitted MAX9050 1 2.500 REF MAX9051 1 2.500 Uncommitted MAX9042 2 2.048 REF/Uncommitted MAX9043 2 2.048 Uncommitted/Uncommitted MAX9052 2 2.500 REF/Uncommitted MAX9053 2 2.500 Uncommitted/Uncommitted IN- CONNECTIONS ______________________________________________________________________________________ 11 MAX9039–MAX9043/MAX9050–MAX9053 Functional Diagrams MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs Pin Configurations (continued) TOP VIEW OUT 1 VEE 2 6 MAX9041 MAX9051 IN+ 3 VCC REF 1 8 IN- 2 5 REF IN+ 4 IN- 3 7 MAX9041 MAX9051 VEE 4 N.C. VCC 6 OUT 5 N.C. 8 REF 2 INA+ 3 MAX9042 MAX9052 VEE 4 Ordering Information (continued) TEMP RANGE PINPACKAGE MAX9042AEUA -40°C to +85°C 8 µMAX — MAX9042BEUA -40°C to +85°C 8 µMAX — MAX9042AESA -40°C to +85°C 8 SO — PART 7 OUTB 6 INB- 5 INB+ OUTA 1 10 VCC REF 2 9 N.C. INA- 3 8 OUTB INA+ 4 7 INB- VEE 5 6 INB+ MAX9043 MAX9053 μMAX Typical Operating Circuit TOP MARK MAX9042BESA -40°C to +85°C 8 SO — MAX9043AEUB -40°C to +85°C 10 µMAX — MAX9043BEUB -40°C to +85°C 10 µMAX — MAX9050AEUK-T -40°C to +85°C MAX9050BEUK-T -40°C to +85°C MAX9051AEUT-T -40°C to +85°C MAX9051BEUT-T -40°C to +85°C MAX9051AESA -40°C to +85°C MAX9051BESA -40°C to +85°C MAX9052AEUA -40°C to +85°C MAX9052BEUA -40°C to +85°C MAX9052AESA -40°C to +85°C MAX9052BESA -40°C to +85°C MAX9053AEUB -40°C to +85°C MAX9053BEUB -40°C to +85°C 5 SOT23 5 SOT23 6 SOT23 6 SOT23 8 SO 8 SO 8 µMAX 8 µMAX 8 SO 8 SO 10 µMAX 10 µMAX ADNW ADNY AAHG AAHI — — AAHG AAHI — — — — 12 VCC μMAX/SO SO SOT23 OUTA 1 VCC VIN VCC 0.1μF IN+ OUT IN- MAX9039 MAX9041/MAX9043 MAX9051/MAX9053 REF 1.23V/2.048V/2.500V VEE ______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs PACKAGE CODE DOCUMENT NO. 6 UCSP B6-3 21-0097 5 SOT23 — 21-0057 6 SOT23 — 21-0058 8 SO — 21-0041 8 µMAX — 21-0036 10 µMAX — 21-0061 6L, UCSP.EPS PACKAGE TYPE PACKAGE OUTLINE, 3x2 UCSP 21-0097 G 1 1 ______________________________________________________________________________________ 13 MAX9039–MAX9043/MAX9050–MAX9053 Package Information For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. SOT-23 5L .EPS MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs 14 ______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs N E H INCHES MILLIMETERS MAX MIN 0.069 0.053 0.010 0.004 0.014 0.019 0.007 0.010 0.050 BSC 0.150 0.157 0.228 0.244 0.016 0.050 MAX MIN 1.35 1.75 0.10 0.25 0.35 0.49 0.25 0.19 1.27 BSC 3.80 4.00 5.80 6.20 0.40 SOICN .EPS DIM A A1 B C e E H L 1.27 VARIATIONS: 1 INCHES TOP VIEW DIM D D D MIN 0.189 0.337 0.386 MAX 0.197 0.344 0.394 MILLIMETERS MIN 4.80 8.55 9.80 MAX 5.00 8.75 10.00 N MS012 8 AA 14 AB 16 AC D A B e C 0∞-8∞ A1 L FRONT VIEW SIDE VIEW PROPRIETARY INFORMATION TITLE: PACKAGE OUTLINE, .150" SOIC APPROVAL DOCUMENT CONTROL NO. 21-0041 REV. B 1 1 ______________________________________________________________________________________ 15 MAX9039–MAX9043/MAX9050–MAX9053 Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. 6LSOT.EPS MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs PACKAGE OUTLINE, SOT 6L BODY 21-0058 16 ______________________________________________________________________________________ I 1 2 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs PACKAGE OUTLINE, SOT 6L BODY 21-0058 I 2 ______________________________________________________________________________________ 2 17 MAX9039–MAX9043/MAX9050–MAX9053 Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. 10LUMAX.EPS MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs α α 18 ______________________________________________________________________________________ Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs 8LUMAXD.EPS α α ______________________________________________________________________________________ 19 MAX9039–MAX9043/MAX9050–MAX9053 Package Information (continued) For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. MAX9039–MAX9043/MAX9050–MAX9053 Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs Revision History PAGES CHANGED REVISION NUMBER REVISION DATE 0 10/99 Initial release — 1 1/00 Corrections to initial release — 2 4/00 Adding new part — 3 4/00 Increase in Max Supply Current specs — 4 10/02 Adding UCSP package for MAX9039 — 5 10/07 Adding input current ratings in Abs Max, style changes — 6 3/09 Update Chip Information, Package Info, correct MAX9053 part number, style changes DESCRIPTION 1, 2, 10, 12–19 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. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.