TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com NANOPOWER 1.8-V COMPARATOR WITH VOLTAGE REFERENCE Check for Samples: TLV3012A-Q1 FEATURES 1 • • • • 2 • • • • • Qualified for Automotive Applications Low Quiescent Current = 5 μA (Max) Integrated Voltage Reference = 1.242 V Input Common-Mode Range = 200 mV Beyond Rails Voltage Reference Initial Accuracy = 1% Open-Drain Logic Compatible Output (TLV3011-Q1) Push-Pull Output (TLV3012A-Q1) Low Supply Voltage = 1.8 V to 5.5 V Fast Response Time = 6-μs Propagation Delay With 100-mV Overdrive (TLV3011-Q1: RPULL-UP = 10 kΩ) DESCRIPTION The TLV3011-Q1 is a low-power, open-drain output comparator. The TLV3012A-Q1 is a push-pull output comparator. Both feature an uncommitted on-chip voltage reference, have 5-μA (max) quiescent current, input common-mode range 200 mV beyond the supply rails, and single-supply operation from 1.8 V to 5.5 V. The integrated 1.242-V series voltage reference offers low 100-ppm/°C (max) drift, is stable with up to 10-nF capacitive load, and can provide up to 0.5 mA (typ) of output current. The TLV3012A-Q1 is available in the SC-70 package. The devices are specified for the temperature range of –40°C to 125°C. DCK PACKAGE (TOP VIEW) APPLICATIONS • • • • Battery-Powered Level Detection Data Acquisition System Monitoring Oscillators OUT 1 6 V+ V 2 5 REF IN+ 3 4 IN- 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2011, Texas Instruments Incorporated TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PACKAGE ORDERING INFORMATION Table 1. TA -40°C TO 125°C (1) (2) PACKAGE (1) ORDERABLE PART NUMBER TOP SIDE MARKING SOT (SC-70), DCK TLV3011AQDCKRQ1 (2) TBD SOT (SC-70), DCK TLV3012AQDCKRQ1 BPF Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Product preview device. ABSOLUTE MAXIMUM RATINGS (1) Over operating free-air temperature range (unless otherwise noted). MIN Supply voltage Signal input terminals Voltage (2) Current –0.5 (2) MAX V (V+) +0.5 V ±10 Output short circuit (3) UNIT 7 mA Continous Operating temperature range –40 125 °C Tstg Storage temperature range –65 150 °C TJ Junction temperature 150 °C (1) (2) (3) 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 under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltage values are with respect to the network ground terminal. Short circuit to ground Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com ELECTRICAL CHARACTERISTICS: VS = +1.8 V to +5.5 V Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, VOUT = VS, unless otherwise noted; for TLV3011-Q1, RPULL-UP = 10 kΩ connected to VS. PARAMETER TEST CONDITIONS MIN TYP MAX 15 UNIT Offset Voltage VOS Input offset voltage VCM = 0 V, IO = 0 V 0.5 dVOS/dT Input offset voltage vs temperature TA = –40°C to 125°C ±12 PSRR Power supply rejection ratio VS = 1.8 V to 5.5 V 100 mV μV/°C μV/V 1000 Input Bias Current IB Input bias current VCM = VS/2 ±10 pA IOS Input offset current VCM = VS/2 ±10 pA Input Voltage Range VCM (V–) – 0.2 Common-mode voltage range CMRR Common-mode rejection ratio (V+) + 0.2 VCM = –0.2 V to (V+) – 1.5 V 60 74 VCM = –0.2 V to (V+) + 0.2 V 54 62 V dB Input Impedance 1013 ∥ 2 Common mode 13 Differential 10 Ω ∥ pF Ω ∥ pF ∥4 Switching Characteristics Low to high Propagation delay time High to low tr Rise time tf f = 10 kHz, VSTEP = 1 V, input overdrive = 10 mV 12 f = 10 kHz, VSTEP = 1 V, input overdrive = 100 mV 6 μs f = 10 kHz, VSTEP = 1 V, input overdrive = 10 mV 13.5 f = 10 kHz, VSTEP = 1 V, input overdrive = 100 mV 6.5 TLV3011-Q1 (1) TLV3012A-Q1 See (2) CL = 10 pF 100 ns Fall time CL = 10 pF 100 ns Voltage output low from rail VS = 5 V, IOUT = –5 mA 160 200 mV VS = 5 V, IOUT = 5 mA 90 200 mV Output VOL Voltage output high from rail TLV3012A-Q1 Short-circuit current TLV3012A-Q1 See Typical Characteristics Voltage Reference VOUT Output voltage 1.208 1.242 dVOUT/dT 1.276 V ±1% Initial accuracy –40°C ≤ TA ≤ 125°C Temperature drift Sourcing 0 mA < ISOURCE ≤ 0.5 mA Sinking 0 mA < ISINK ≤ 0.5 mA 40 100 0.36 1 dVOUT/dILOAD Load regulation ILOAD Output current dVOUT/dVIN Line regulation 1.8 V ≤ VIN ≤ 5.5 V 10 Reference voltage noise f = 0.1 Hz to 10 Hz 0.2 6.6 ppm/°C mV/mA 0.5 mA 100 μV/V Noise mVPP Power Supply VS IQ Specified voltage 1.8 5.5 Operating voltage range 1.8 5.5 V 5 μA °C Quiescent current VS = 5 V, VO = High 2.8 V Temperature Operating range –40 125 Storage range –65 150 Thermal resistance (1) (2) DCK package 259 °C °C/W Product preview device. tr depends on RPULL-UP and CLOAD. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 3 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com TYPICAL CHARACTERISTICS At TA = +25°C, VS = +1.8 V to +5.5 V, RPULL-UP = 10 kΩ, and Input Overdrive = 100 mV, unless otherwise noted. QUIESCENT CURRENT vs OUTPUT SWITCHING FREQUENCY 3.8 8 3.6 7 Quiescent Current – µA Quiescent Current – µA QUIESCENT CURRENT vs TEMPERATURE 3.4 3.2 3 2.8 2.6 2.4 2.2 2 -50 6 0 25 50 75 Temperature – °C 5 4 3 VS = 1.8 V 2 1 100 1 125 10 100 1k Output Transition Frequency – Hz Figure 1. Figure 2. QUIESCENT CURRENT vs OUTPUT SWITCHING FREQUENCY INPUT BIAS CURRENT vs TEMPERATURE 10k 45 TLV3012 VS = 5 V 10 VS = 3 V 8 6 4 VS = 1.8 V 2 40 Input Bias Current – pA 12 35 30 25 20 15 10 5 0 0 -5 1 10 100 1k 10k Output Switching Frequency – Hz 100k -50 -25 Figure 3. 4 VS = 5 V VS = 3 V 0 -25 14 Quiescent Current – µA TLV3011 RPULLUP = 1 MΩ 0 25 50 75 Temperature – °C 100 125 Figure 4. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = +1.8 V to +5.5 V, RPULL-UP = 10 kΩ, and Input Overdrive = 100 mV, unless otherwise noted. OUTPUT LOW vs OUTPUT CURRENT OUTPUT HIGH vs OUTPUT CURRENT 0.25 0.25 0.20 VS = 3 V 0.15 VS = 5 V 0.10 0.05 VDD = 1.8 V 0.15 0.10 VDD = 5 V 0.05 0 0 0 2 4 6 8 Output Current – mA 10 0 12 2 4 6 8 Output Current – mA 10 Figure 5. Figure 6. PROPAGATION DELAY (tPLH) vs CAPACITIVE LOAD PROPAGATION DELAY (tPHL) vs CAPACITIVE LOAD 80 12 80 TLV3012 tPHL – Propagation Delay – µs tPLH – Propagation Delay – µs VDD = 3 V 0.20 VS = 1.8 V (VS – VOH) – V VOL – Output Low – V TLV3012 70 60 50 VS = 5 V 40 VS = 3 V 30 VS = 1.8 V 20 10 0 0.01 0.1 1 10 Capacitive Load – nF 100 1k 70 60 50 VS = 3 V 40 VS = 5 V 30 20 10 0 0.01 Figure 7. VS = 1.8 V 0.1 1 10 Capacitive Load – nF 100 1k Figure 8. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 5 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = +1.8 V to +5.5 V, RPULL-UP = 10 kΩ, and Input Overdrive = 100 mV, unless otherwise noted. PROPAGATION DELAY (tPLH) vs INPUT OVERDRIVE PROPAGATION DELAY (tPHL) vs INPUT OVERDRIVE 20 tPHL – Propagation Delay – µs tPLH – Propagation Delay – µs 20 18 16 VS = 5 V 14 12 VS = 3 V 10 VS = 1.8 V 8 6 4 18 16 14 12 6 10 20 30 40 50 60 70 Input Overdrive – mV 80 80 PROPAGATION DELAY (tPHL) vs TEMPERATURE 90 100 tPHL – Propagation Delay – µs 8 VS = 1.8 V VS = 3 V 5.5 5 VS = 5 V 4.5 -25 0 25 50 75 Temperature – °C 100 7.5 VS = 1.8 V 7 VS = 3 V 6.5 6 5.5 VS = 5 V 5 4.5 4 -50 125 -25 0 25 50 75 Temperature – °C Figure 11. Figure 12. PROPAGATION DELAY (tPLH) PROPAGATION DELAY (tPHL) VS = 2.5 V VIN– VIN+ 500 mV/div tPLH – Propagation Delay – µs 30 40 50 60 70 Input Overdrive – mV PROPAGATION DELAY (tPLH) vs TEMPERATURE 6 4 -50 20 Figure 10. 7 6.5 10 Figure 9. 7.5 500 mV/div VS = 5 V 0 90 100 8 TLV3011 VOUT 2 V/div TLV3012 2 V/div VS = 3 V 8 4 0 6 VS = 1.8 V 10 100 125 VS = 2.5 V VIN+ VIN– VOUT 2 µs/div 2 µs/div Figure 13. Figure 14. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = +1.8 V to +5.5 V, RPULL-UP = 10 kΩ, and Input Overdrive = 100 mV, unless otherwise noted. PROPAGATION DELAY (tPLH) PROPAGATION DELAY (tPHL) VIN– VOUT VS = 0.9 V VIN– 2 V/div 2 V/div VIN+ VOUT 2 µs/div 2 µs/div Figure 15. Figure 16. REFERENCE VOLTAGE vs OUTPUT LOAD CURRENT (SOURCING) REFERENCE VOLTAGE vs OUTPUT LOAD CURRENT (SINKING) 1.24205 1.250 1.24200 1.249 Reference Voltage – V Reference Voltage – V VIN+ 500 mV/div 500 mV/div VS = 0.9 V 1.24195 1.24190 1.24185 1.24180 1.24175 1.24170 1.24165 1.248 1.247 1.246 1.245 1.244 1.243 1.242 1.24160 1.241 0 0.2 0.4 0.6 0.8 1 Output Load Current, Sourcing – mA 0 1.2 0.2 0.4 0.6 0.8 1 Output Load Current, Sinking – mA Figure 17. Figure 18. REFERENCE VOLTAGE vs TEMPERATURE SHORT-CIRCUIT CURRENT vs SUPPLY VOLTAGE 1.2 140 1.250 TLV3012 Short-Circuit Current – mA Reference Voltage – V 1.245 1.240 1.235 1.230 1.225 1.220 1.215 1.210 -100 120 100 Sink 80 60 Source 40 20 0 -50 0 50 Temperature – °C 100 150 1.5 Figure 19. 2 2.5 3 3.5 4 4.5 Supply Voltage – V 5 5.5 Figure 20. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 7 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = +1.8 V to +5.5 V, RPULL-UP = 10 kΩ, and Input Overdrive = 100 mV, unless otherwise noted. REFERENCE VOLTAGE DISTRIBUTION 500 450 400 Units 350 300 250 200 150 100 1.252 1.254 1.248 1.250 1.246 1.242 1.244 1.240 1.236 1.238 1.232 1.234 0 1.230 50 Reference Voltage – V Figure 21. 8 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com APPLICATION INFORMATION The TLV3011-Q1is a low-power, open-drain comparator with on-chip 1.242-V series reference. The open-drain output allows multiple devices to be driven by a single pullup resistor to accomplish an OR function, making the TLV3011-Q1useful for logic applications. The TLV3012A-Q1 comparator with on-chip 1.242-V series reference has a push-pull output stage optimal for reduced power budget applications and features no shoot-through current. A typical supply current of 2.8 μA and small packaging combine with 1.8-V supply requirements to make the TLV3011-Q1and TLV3012A-Q1 optimal for battery and portable designs. Board Layout Typical connections for the TLV3011-Q1and TLV3012A-Q1 are shown in Figure 22. The TLV3011-Q1is an open-drain output device. A pull-up resistor must be connected between the comparator output and supply to enable operation. To minimize supply noise, power supplies should be capacitively decoupled by a 0.01-μF ceramic capacitor in parallel with a 1-μF electrolytic capacitor. Comparators are sensitive to input noise and precautions such as proper grounding (use of ground plane), supply bypassing, and guarding of high-impedance nodes minimize the effects of noise and help to ensure specified performance. V+ 0.01 mF VIN- 4 6 TLV301x VIN+ RPULL-UP 10 kW 1 V- 3 5 REF (1) 10 mF (1) VOUT 2 Use RPULL-UP with TLV3011-Q1 only. Figure 22. Basic Connections of the TLV3011-Q1 and TLV3012A-Q1 Open-Drain Output (TLV3011-Q1) The open-drain output of the TLV3011-Q1is useful in logic applications. The value of the pull-up resistor and supply voltage used affects current consumption because of the additional current drawn when the output is in a low state. This effect can be seen in Figure 3. Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 9 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com External Hysteresis Comparator inputs have no noise immunity within the range of specified offset voltage (±12 mV). For noisy input signals, the comparator output may display multiple switching as input signals move through the switching threshold. The typical comparator threshold of the TLV3011-Q1and TLV3012A-Q1 is ±0.5 mV. To prevent multiple switching within the comparator threshold of the TLV3011-Q1or TLV3012A-Q1, external hysteresis may be added by connecting a small amount of feedback to the positive input. Figure 23 shows a typical topology used to introduce hysteresis, described by this equation: VHYST = V+ × R1 R 1 + R2 V+ 5V RPULL-UP – VIN (1) VOUT TLV301x + REF R1 39 kW R2 560 kW VHYST = 0.38 V VREF (1) Use RPULL-UP with TLV3011-Q1 only. Figure 23. Adding Hysteresis VHYST sets the value of the transition voltage required to switch the comparator output by increasing the threshold region, thereby reducing sensitivity to noise. Applications Battery-Level Detect The low power consumption and 1.8-V supply voltage of the TLV3011-Q1make it an excellent candidate for battery-powered applications. Figure 24 shows the TLV3011-Q1configured as a low battery level detector for a 3-V battery. Battery Okay trip voltage = 1.242 R1 + R2 R2 R1 1 MW (1) RPULL-UP + + – TLV301x – R2 2 MW 1.242 V Battery Okay REF When the battery voltage drops below 1.9 V, the Battery Okay output goes low. (1) Use RPULL-UP with TLV3011-Q1 only. Figure 24. TLV3011-Q1 Configured as Low Battery Level Detector 10 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 TLV3011-Q1 TLV3012A-Q1 SBOS551 – MARCH 2011 www.ti.com Power-On Reset The reset circuit shown in Figure 25 provides a time-delayed release of reset to the MSP430 microcontroller. Operation of the circuit is based on a stabilization time constant of the supply voltage, rather than on a predetermined voltage value. The negative input is a reference voltage created by the internal voltage reference. The positive input is an RC circuit that provides a power-up delay. When power is applied, the output of the comparator is low, holding the processor in the reset condition. Only after allowing time for the supply voltage to stabilize does the positive input of the comparator become higher than the negative input, resulting in a high output state, releasing the processor for operation. The stabilization time required for the supply voltage is adjustable by the selection of the RC component values. Use of a lower-valued resistor in this portion of the circuit does not increase current consumption, because no current flows through the RC circuit after the supply has stabilized. V+ R1 1 MW DI RPULLUP 10 kW (1) MSP430 + C1 10 nF 1.242 V TLV301x RESET – REF (1) Use RPULL-UP with TLV3011-Q1 only. Figure 25. TLV3011-Q1 or TLV3012A-Q1 Configured as Power-Up Reset Circuit for the MSP430 The reset delay needed depends on the power-up characteristics of the system power supply. R1 and C1 are selected to allow enough time for the power supply to stabilize. D1 provides rapid reset if power is lost. In this example, the R1 × C1 time constant is 10 ms. Relaxation Oscillator The TLV3012A-Q1 can be configured as a relaxation oscillator to provide a simple and inexpensive clock output (see Figure 26). The capacitor is charged at a rate of T = 0.69RC and discharges at a rate of 0.69RC. Therefore, the period is T = 1.38RC. R1 may be a different value than R2. VC 2/3 (V+) 1/3 (V+) V+ C 1000 pF t V+ T1 T2 R1 1 MΩ VOUT TLV3012 R2 1 MΩ R2 1 MΩ t F = 724 Hz V+ R2 1 MΩ Figure 26. TLV3012A-Q1 Configured as Relaxation Oscillator Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TLV3012A-Q1 11 PACKAGE OPTION ADDENDUM www.ti.com 3-Jun-2011 PACKAGING INFORMATION Orderable Device TLV3012AQDCKRQ1 Status (1) Package Type Package Drawing ACTIVE SC70 DCK Pins Package Qty 6 3000 Eco Plan (2) Green (RoHS & no Sb/Br) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) CU NIPDAU Level-1-260C-UNLIM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. 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OTHER QUALIFIED VERSIONS OF TLV3012-Q1 : • Catalog: TLV3012 NOTE: Qualified Version Definitions: • Catalog - TI's standard catalog product Addendum-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 2-Jun-2011 TAPE AND REEL INFORMATION *All dimensions are nominal Device TLV3012AQDCKRQ1 Package Package Pins Type Drawing SC70 DCK 6 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 3000 179.0 8.4 Pack Materials-Page 1 2.2 B0 (mm) K0 (mm) P1 (mm) 2.5 1.2 4.0 W Pin1 (mm) Quadrant 8.0 Q3 PACKAGE MATERIALS INFORMATION www.ti.com 2-Jun-2011 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TLV3012AQDCKRQ1 SC70 DCK 6 3000 203.0 203.0 35.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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