19-1787; Rev 0; 8/00 Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages Features Ultra-Small 3-Pin SC70 Package Laser-trimmed resistors ensure precise initial accuracy. With a 100ppm/C temperature coefficient, the device is offered in four grades of initial accuracy ranging from 0.1% to 1%. The LM4040 has a 60A to 15mA shunt current capability with low dynamic impedance, ensuring stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents. Low 28VRMS Output Noise (10Hz to 10kHz) 0.1% max Initial Accuracy 100ppm/C max Temperature Coefficient Guaranteed over -40C to +85C Temperature Range Wide Operating Current Range: 60A to 15mA 2.048V, 2.500V, 3.000V, 4.096V, and 5.000V Fixed Reverse Breakdown Voltage No Output Capacitors Required Tolerates Capacitive Loads The LM4040 does not require an external stabilizing capacitor while ensuring stability with any capacitive load. For a 1.225V output version, refer to the LM4041 data sheet. Selector Guide ________________________Applications Portable, Battery-Powered Equipment Notebook Computers PART TEMP. RANGE PINPACKAGE Cell Phones Industrial Process Controls Pin Configuration TOP VIEW + 1 LM4040 3 N.C.* OUTPUT VOLTAGE (V) LM4040_IX3-2.1 -40C to +85C 3 SOT23-3 2.048 LM4040_IX3-2.1 -40C to +85C 3 SC70-3 2.048 LM4040_IM3-2.5 -40C to +85C 3 SOT23-3 2.500 LM4040_IX3-2.5 -40C to +85C 3 SC70-3 2.500 LM4040_IM3-3.0 -40C to +85C 3 SOT23-3 3.000 LM4040_IX3-3.0 -40C to +85C 3 SC70-3 3.000 LM4040_IM3-4.1 -40C to +85C 3 SOT23-3 4.096 LM4040_IX3-4.1 -40C to +85C 3 SC70-3 4.096 LM4040_IM3-5.0 -40C to +85C 3 SOT23-3 5.000 LM4040_IX3-5.0 -40C to +85C 3 SC70-3 5.000 Ordering Information appears at end of data sheet. - 2 SC70-3/SOT23-3 *PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2. ________________________________________________________________ Maxim Integrated Products 1 For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. LM4040 General Description The LM4040 is a precision two-terminal shunt mode, bandgap voltage reference available in fixed reverse breakdown voltages of 2.048V, 2.500V, 3.000V, 4.096V, and 5.000V. Ideal for space-critical applications, the LM4040 is offered in the subminiature 3-pin SC70 surface-mount package (1.8mm 1.8mm), 50% smaller than comparable devices in SOT23 surface-mount packages (SOT23 versions are also available). LM4040 Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages ABSOLUTE MAXIMUM RATINGS Reverse Current (cathode to anode) ..................................20mA Forward Current (anode to cathode) ..................................10mA ESD per Method 3015.7 Human Body Model .......................................................2000V Machine Model.................................................................200V Continuous Power Dissipation (TA = +70C) 3-Pin SC70 (derate 2.17mW/C above +70C) ............174mW 3-Pin SOT23 (derate 4.01mW/C above +70C)..........320mW Operating Temperature Range ..........................-40C to +85C Storage Temperature Range .............................-65C to +150C Junction Temperature ......................................................+150C Lead Temperature (soldering, 10s)..................................+300C 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--LM4040_I_3-2.1 (IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current SYMBOL VR CONDITIONS TA = +25C VR IRMIN MIN TYP MAX LM4040A (0.1%) 2.046 2.048 2.050 LM4040B (0.2%) 2.044 2.048 2.052 LM4040C (0.5%) 2.038 2.048 2.058 LM4040D (1.0%) 2.028 2.048 2.068 LM4040A 2.0 15 LM4040B 4.0 17 LM4040C 10 23 LM4040D 20 41 LM4040A/B/C 45 65 LM4040D 45 70 VR/T IR = 1mA LM4040A/B/C 15 100 LM4040D 15 150 Reverse Dynamic Impedance (Note 3) Wideband Noise Reverse Breakdown Voltage Long-Term Stability 2 IRMIN IR 1mA VR/IR 1mA IR 15mA ZR eN VR IR = 1mA, f = 120Hz, IAC = 0.1IR mV A ppm/C 15 IR = 100A Reverse Breakdown Voltage Change with Operating Current Change V 20 IR = 10mA Average Reverse Voltage Temperature Coefficient (Note 2) UNITS LM4040A/B/C 0.3 LM4040D 0.3 1.0 1.2 LM4040A/B/C 2.5 8.0 LM4040D 2.5 10.0 LM4040A/B 0.3 0.8 LM4040C 0.3 0.9 LM4040D 0.3 1.1 mV IR = 100A, 10Hz f 10kHz 28 VRMS T = 1000h 120 ppm _______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages LM4040 ELECTRICAL CHARACTERISTICS--LM4040_I_3-2.5 (IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current SYMBOL VR CONDITIONS TA = +25C VR IRMIN MIN TYP MAX LM4040A (0.1%) 2.4975 2.5000 2.5025 LM4040B (0.2%) 2.4950 2.5000 2.5050 LM4040C (0.5%) 2.4875 2.5000 2.5125 LM4040D (1.0%) 2.2500 2.5000 2.7500 LM4040A 2.0 19 LM4040B 4.0 21 LM4040C 10 29 LM4040D 20 49 LM4040A/B/C 45 65 LM4040D 45 70 VR/T IR = 1mA LM4040A/B/C 15 100 LM4040D 15 150 IRMIN IR 1mA VR/IR 1mA IR 15mA mV A ppm/C 15 IR = 100A Reverse Breakdown Voltage Change with Operating Current Change V 20 IR = 10mA Average Reverse Voltage Temperature Coefficient (Note 2) UNITS LM4040A/B/C 0.3 LM4040D 0.4 1.0 1.2 LM4040A/B/C 2.5 8.0 LM4040D 2.5 10.0 LM4040A/B 0.3 0.8 LM4040C 0.3 0.9 LM4040D 0.3 1.1 mV Reverse Dynamic Impedance (Note 3) ZR IR = 1mA, f = 120Hz, IAC = 0.1IR Wideband Noise eN IR = 100A, 10Hz f 10kHz 35 VRMS T = 1000h 120 ppm Reverse Breakdown Voltage Long-Term Stability VR _______________________________________________________________________________________ 3 LM4040 Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS--LM4040_I_3-3.0 (IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current SYMBOL VR CONDITIONS TA = +25C VR IRMIN MIN TYP MAX LM4040A (0.1%) 2.997 3.000 3.003 LM4040B (0.2%) 2.994 3.000 3.006 LM4040C (0.5%) 2.985 3.000 3.015 LM4040D (1.0%) 2.970 3.000 3.030 LM4040A 3.0 22 LM4040B 6.0 26 LM4040C 15 34 LM4040D 30 59 LM4040A/B/C 45 67 LM4040D 45 70 VR/T IR = 1mA LM4040A/B/C 15 100 LM4040D 15 150 IRMIN IR 1mA VR/IR 1mA IR 15mA mV A ppm/C 15 IR = 100A Reverse Breakdown Voltage Change with Operating Current Change V 20 IR = 10mA Average Reverse Voltage Temperature Coefficient (Note 2) UNITS LM4040A/B/C 0.3 1.0 LM4040D 0.3 1.2 LM4040A/B/C 2.5 8.0 LM4040D 2.5 10.0 LM4040A/B 0.3 0.8 LM4040C 0.3 0.9 LM4040D 0.3 1.1 mV Reverse Dynamic Impedance (Note 3) ZR IR = 1mA, f = 120Hz, IAC = 0.1IR Wideband Noise eN IR = 100A, 10Hz f 10kHz 45 VRMS T = 1000h 120 ppm Reverse Breakdown Voltage Long-Term Stability 4 VR _______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages LM4040 ELECTRICAL CHARACTERISTICS--LM4040_I_3-4.1 (IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current SYMBOL VR CONDITIONS TA = +25C VR IRMIN MIN TYP MAX LM4040A (0.1%) 4.092 4.096 4.100 LM4040B (0.2%) 4.088 4.096 4.104 LM4040C (0.5%) 4.076 4.096 4.116 LM4040D (1.0%) 4.055 4.096 4.137 LM4040A 4.1 31 LM4040B 8.2 35 LM4040C 20 47 LM4040D 41 81 LM4040A/B/C 50 73 LM4040D 50 78 VR/T IR = 1mA LM4040A/B/C 20 100 LM4040D 20 150 IRMIN IR 1mA VR/IR 1mA IR 15mA mV A ppm/C 15 IR = 100A Reverse Breakdown Voltage Change with Operating Current Change V 30 IR = 10mA Average Reverse Voltage Temperature Coefficient (Note 2) UNITS LM4040A/B/C 0.5 LM4040D 0.5 1.2 1.5 LM4040A/B/C 3.0 10.0 LM4040D 3.0 13.0 LM4040A/B/C 0.5 1.0 LM4040D 0.5 1.3 mV Reverse Dynamic Impedance (Note 3) ZR IR = 1mA, f = 120Hz, IAC = 0.1IR Wideband Noise eN IR = 100A, 10Hz f 10kHz 28 VRMS T = 1000h 120 ppm Reverse Breakdown Voltage Long-Term Stability VR _______________________________________________________________________________________ 5 LM4040 Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS--LM4040_I_3-5.0 (IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current SYMBOL VR CONDITIONS TA = +25C VR IRMIN MIN TYP MAX LM4040A (0.1%) 4.995 5.000 5.005 LM4040B (0.2%) 4.990 5.000 5.010 LM4040C (0.5%) 4.975 5.000 5.025 LM4040D (1.0%) 4.950 5.000 5.050 LM4040A 5.0 38 LM4040B 10 43 LM4040C 25 58 LM4040D 50 99 LM4040A/B/C 54 80 LM4040D 54 85 VR/T IR = 1mA LM4040A/B/C 20 100 LM4040D 20 150 IRMIN IR 1mA VR/IR 1mA IR 15mA mV A ppm/C 15 IR = 100A Reverse Breakdown Voltage Change with Operating Current Change V 30 IR = 10mA Average Reverse Voltage Temperature Coefficient (Note 2) UNITS LM4040A/B/C 0.5 1.4 LM4040D 0.5 1.8 LM4040A/B/C 3.5 12.0 LM4040D 3.5 15.0 LM4040A/B/C 0.5 1.1 LM4040D 0.5 1.5 mV Reverse Dynamic Impedance (Note 3) ZR IR = 1mA, f = 120Hz, IAC = 0.1IR Wideband Noise eN IR = 100A, 10Hz f 10kHz 80 VRMS T = 1000h 120 ppm Reverse Breakdown Voltage Long-Term Stability VR Note 1: All devices are 100% production tested at +25C and are guaranteed by design for TA = TMIN to TMAX, as specified. Note 2: The overtemperature limit for Reverse Breakdown Voltage Tolerance is defined as the room-temperature Reverse Breakdown Voltage Tolerance [(VR / T)(maxT)(VR)], where VR / T is the VR temperature coefficient, maxT is the maximum difference in temperature from the reference point of +25C to TMIN or TMAX, and VR is the reverse breakdown voltage. The total overtemperature tolerance for the different grades in the temperature range where maxT = +65C is shown below: A grade: 0.75% = 0.1% 100 ppm/C 65C B grade: 0.85% = 0.2% 100 ppm/C 65C C grade: 1.15% = 0.5% 100 ppm/C 65C D grade: 1.98% = 1.0% 150 ppm/C 65C Note 3: Guaranteed by design. 6 _______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages REVERSE CHARACTERISTICS AND MINIMUM OPERATING CURRENT 0 REVERSE VOLTAGE CHANGE (mV) 4 LM4040_I_3-3.0 3 2 LM4040_I_3-2.5 1 LM4040_I_3-2.1 -0.4 -0.8 -1.2 -1.6 -2.0 -2.4 0 -2.8 50 100 -15 10 REVERSE CURRENT (A) 35 60 -2 -3 -4 -5 85 -40 -15 TA = +85C 4.0 3.5 TA = -40C 2.0 1.5 1.0 35 60 85 LM4040-5.0V REVERSE VOLTAGE vs. ISHUNT 4.5 REVERSE VOLTAGE CHANGE (mV) 4.5 10 TEMPERATURE (C) TA = +25C LM4040-05 5.0 2.5 -1 TEMPERATURE (C) LM4040-2.5V REVERSE VOLTAGE vs. ISHUNT 3.0 0 -6 -40 LM4040-04 0 REVERSE VOLTAGE CHANGE (mV) REVERSE VOLTAGE (V) 5 1 LM4040-03 0.4 REVERSE VOLTAGE CHANGE (mV) LM4040_I_3-5.0 LM4040-5.0V TEMPERATURE DRIFT LM4040-02 LM4040_I_3-4.1 LM4040-01 6 LM4040-2.5V TEMPERATURE DRIFT 4.0 TA = -40C 3.5 3.0 TA = +25C 2.5 2.0 1.5 1.0 TA = +85C 0.5 0.5 0 0 0 5 10 ISHUNT (mA) 15 20 0 5 10 15 20 ISHUNT (mA) _______________________________________________________________________________________ 7 LM4040 Typical Operating Characteristics (IR = 100A, SC70-3 package, TA = +25C, unless otherwise noted.) Typical Operating Characteristics (continued) (IR = 100A, SC70-3 package, TA = +25C, unless otherwise noted.) LM4040-5.0V LOAD-TRANSIENT RESPONSE LM4040-2.5V LOAD-TRANSIENT RESPONSE LM4040-2.5V LOAD-TRANSIENT RESPONSE LM4040-07 LM4040-06 LM4040-08 +25A -25A 10mV/div -250A VR AC-COUPLED 2mV/div VR AC-COUPLED -25A VR AC-COUPLED +250A VGEN VGEN VGEN +25A 40s/div 10s/div LM4040-5.0V LOAD-TRANSIENT RESPONSE 10mV/div 10s/div ISHUNT = 100A 25A RL = 100k, SEE FIGURE 1 CH1: VGEN 2V/div CH2: VR AC-COUPLED 2mV/div ISHUNT = 100A 25A, RL = 100k, SEE FIGURE 1 ISHUNT = 1mA 250A RL = 10k, SEE FIGURE 1 LM4040-5.0V LOAD-TRANSIENT RESPONSE LM4040-2.5V LOAD-TRANSIENT RESPONSE LM4040-09 LM4040-11 LM4040-10 +2.5mA VGEN +2.5mA VGEN VGEN +250A -250A -2.5mA 10mV/div 20mV/div 10s/div 20mV/div 10s/div 10s/div ISHUNT = 1mA 250A RL = 10k, SEE FIGURE 1 VR AC-COUPLED -2.5mA VR AC-COUPLED VR AC-COUPLED LM4040 Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages ISHUNT = 10mA 2.5mA RL = 1k, SEE FIGURE 1 ISHUNT = 10mA 2.5mA RL = 1k, SEE FIGURE 1 ISHUNT VB 1k + - RL VR VGEN Figure 1. Load-Transient Test Circuit 8 _______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages LM4040-2.5V STARTUP CHARACTERISTICS LM4040-5.0V STARTUP CHARACTERISTICS 5V VIN VIN C1 = 1F 0 2V 4V 1V 100 IMPEDANCE () 0 VOUT 2V 0 4 8 12 16 20 24 28 32 36 0 1 1000 10,000 NOISE (nV/Hz) NOISE (nV/Hz) IR = 1mA 100 LM4040-5.0V NOISE vs. FREQUENCY LM4040-16 LM4040-15 10,000 10 FREQUENCY (Hz) LM4040-2.5V NOISE vs. FREQUENCY IR = 150A 1 0.1 RESPONSE TIME (s) LM4040-5.0V OUTPUT IMPEDANCE vs. FREQUENCY C1 = 0 0.1 10 20 30 40 50 60 70 80 90 RESPONSE TIME (s) 10 IR = 1mA RS = 16k SEE FIGURE 2 100 C1 = 0 1 RS = 30k SEE FIGURE 2 0 IR = 150A 10 1000 LM4040-17 VOUT 1000 5V 0 IMPEDANCE () LM4040-2.5V OUTPUT IMPEDANCE vs. FREQUENCY LM4040-13 LM4040-14 LM4040-12 1000 C1 = 1F 0.1 100 0.1 1 10 100 1000 100 1 FREQUENCY (Hz) 10 100 1000 10,000 FREQUENCY (Hz) 1 10 100 1000 10,000 FREQUENCY (Hz) RS VIN 1Hz RATE 50% DUTY CYCLE VR Figure 2. Startup Characteristics Test Circuit _______________________________________________________________________________________ 9 LM4040 Typical Operating Characteristics (continued) (IR = 100A, SC70-3 package, TA = +25C, unless otherwise noted.) Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages LM4040 Pin Description PIN NAME FUNCTION 1 + Positive Terminal of the Shunt Reference 2 - Negative Terminal of the Shunt Reference 3 N.C. No connection. Leave this pin unconnected or connected to Pin 2. Detailed Description The LM4040 shunt references use the bandgap principle to produce a stable, accurate voltage. The device behaves similarly to an ideal zener diode; a fixed voltage is maintained across its output terminals when biased with 60A to 15mA of reverse current. The LM4040 behaves similarly to a silicon diode when biased with forward currents up 10mA. Figure 3 shows a typical operating circuit. The LM4040 is ideal for providing a stable reference from a highvoltage power supply. VS ISHUNT + ILOAD RS ILOAD VR ISHUNT Applications Information The LM4040's internal pass transistor is used to maintain a constant output voltage (VSHUNT) by sinking the necessary amount of current across a source resistor. The source resistance (RS) is determined from the load current (ILOAD) range, supply voltage (VS) variations, VSHUNT, and desired quiescent current. Choose the value of RS when VS is at a minimum and ILOAD is at a maximum. Maintain a minimum ISHUNT of 60A at all times. The RS value should be large enough to keep ISHUNT less than 15mA for proper regulation when VS is maximum and ILOAD is at a minimum. To prevent damage to the device, ISHUNT should never exceed 20mA. Therefore, the value of RS is bounded by the following equation: [VS(MIN) - VR ] / [60A + ILOAD(MAX)] > RS > [VS(MAX) - VR ] / [20mA + ILOAD(MIN)] Choosing a larger resistance minimizes the total power dissipation in the circuit by reducing the shunt current (PD(TOTAL) = VS ISHUNT). Provide a safety margin to incorporate the worst-case tolerance of the resistor used. Ensure that the resistor's power rating is adequate, using the following general power equation: PDR = ISHUNT (VS(MAX) - VSHUNT) 10 LM4040 Figure 3. Typical Operating Circuit Output Capacitance The LM4040 does not require an external capacitor for frequency stability and is stable for any output capacitance. Temperature Performance The LM4040 typically exhibits an output voltage temperature coefficient within 15ppm/C. The polarity of the temperature coefficient may be different from one device to another; some may have positive coefficients, and others may have negative coefficients. Chip Information TRANSISTOR COUNT: 60 PROCESS: BiCMOS ______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages OUTPUT VOLTAGE (V) INITIAL ACCURACY (%) TEMPCO (ppm/C) TEMP. RANGE PINPACKAGE TOP MARK LM4040AIM3-2.1 2.048 0.1 100 -40C to +85C 3 SOT23-3 FZEF LM4040AIX3-2.1 2.048 0.1 100 -40C to +85C 3 SC70-3 LM4040BIM3-2.1 2.048 0.2 100 -40C to +85C 3 SOT23-3 FZEG LM4040BIX3-2.1 2.048 0.2 100 -40C to +85C 3 SC70-3 ABK FZEH PART ABJ LM4040CIM3-2.1 2.048 0.5 100 -40C to +85C 3 SOT23-3 LM4040CIX3-2.1 2.048 0.5 100 -40C to +85C 3 SC70-3 ABL LM4040DIM3-2.1 2.048 1.0 150 -40C to +85C 3 SOT23-3 FZEI LM4040DIX3-2.1 2.048 1.0 150 -40C to +85C 3-SC70-3 ABM LM4040AIM3-2.5 2.500 0.1 100 -40C to +85C 3 SOT23-3 FZEJ LM4040AIX3-2.5 2.500 0.1 100 -40C to +85C 3 SC70-3 ABN LM4040BIM3-2.5 2.500 0.2 100 -40C to +85C 3 SOT23-3 FZEK LM4040BIX3-2.5 2.500 0.2 100 -40C to +85C 3 SC70-3 ABO LM4040CIM3-2.5 2.500 0.5 100 -40C to +85C 3 SOT23-3 FZEL LM4040CIX3-2.5 2.500 0.5 100 -40C to +85C 3 SC70-3 ABP LM4040DIM3-2.5 2.500 1.0 150 -40C to +85C 3 SOT23-3 LM4040DIX3-2.5 2.500 1.0 150 -40C to +85C 3 SC70-3 FZEM ABQ LM4040AIM3-3.0 3.000 0.1 100 -40C to +85C 3 SOT23-3 FZEN LM4040AIX3-3.0 3.000 0.1 100 -40C to +85C 3 SC70-3 ABR LM4040BIM3-3.0 3.000 0.2 100 -40C to +85C 3 SOT23-3 FZEO LM4040BIX3-3.0 3.000 0.2 100 -40C to +85C 3 SC70-3 ABS FZEP LM4040CIM3-3.0 3.000 0.5 100 -40C to +85C 3 SOT23-3 LM4040CIX3-3.0 3.000 0.5 100 -40C to +85C 3 SC70-3 LM4040DIM3-3.0 3.000 1.0 150 -40C to +85C 3 SOT23-3 LM4040DIX3-3.0 3.000 1.0 150 -40C to +85C 3 SC70-3 ABU LM4040AIM3-4.1 4.096 0.1 100 -40C to +85C 3 SOT23-3 FZER LM4040AIX3-4.1 4.096 0.1 100 -40C to +85C 3 SC70-3 ABV FZES ABT FZEQ LM4040BIM3-4.1 4.096 0.2 100 -40C to +85C 3 SOT23-3 LM4040BIX3-4.1 4.096 0.2 100 -40C to +85C 3 SC70-3 ABW LM4040CIM3-4.1 4.096 0.5 100 -40C to +85C 3 SOT23-3 FZET LM4040CIX3-4.1 4.096 0.5 100 -40C to +85C 3 SC70-3 ABX FZEU LM4040DIM3-4.1 4.096 1.0 150 -40C to +85C 3 SOT23-3 LM4040DIX3-4.1 4.096 1.0 150 -40C to +85C 3 SC70-3 ABY LM4040AIM3-5.0 5.000 0.1 100 -40C to +85C 3 SOT23-3 FZEV LM4040AIX3-5.0 5.000 0.1 100 -40C to +85C 3 SC70-3 LM4040BIM3-5.0 5.000 0.2 100 -40C to +85C 3 SOT23-3 FZEW LM4040BIX3-5.0 5.000 0.2 100 -40C to +85C 3 SC70-3 ACA FZEX ABZ LM4040CIM3-5.0 5.000 0.5 100 -40C to +85C 3 SOT23-3 LM4040CIX3-5.0 5.000 0.5 100 -40C to +85C 3 SC70-3 ACB LM4040DIM3-5.0 5.000 1.0 150 -40C to +85C 3 SOT23-3 FZEY 5.000 1.0 150 -40C to +85C 3 SC70-3 ACC LM4040DIX3-5.0 ______________________________________________________________________________________ 11 LM4040 Ordering Information Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages SOTPO3L.EPS LM4040 Package Information 12 ______________________________________________________________________________________ Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages SC70, 3L.EPS 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. 13 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. LM4040 Package Information (continued)