SGLS252A - AUGUST 2004 - REVISED JUNE 2008 D Qualified for Automotive Applications D 1/2 VI Virtual Ground for Analog Systems D Micropower Operation . . . 170 A Typ, D D D D D D PACKAGE (TOP VIEW) OUT COMMON IN NC VI = 5 V Wide VI Range . . . 4 V to 40 V High Output-Current Capability - Source . . . 20 mA Typ - Sink . . . 20 mA Typ Excellent Output Regulation - -102 V Typ at IO = 0 to -10 mA - +49 V Typ at IO = 0 to + 10 mA Low-Impedance Output . . . 0.0075 Typ Noise Reduction Pin 1 8 2 7 3 6 4 5 NOISE REDUCTION NC NC NC NC - No internal connection INPUT/OUTPUT TRANSFER CHARACTERISTICS 10 VI VI VO V V + I O 2 8 In signal-conditioning applications utilizing a single power source, a reference voltage equal to one-half the supply voltage is required for termination of all analog signal grounds. Texas Instruments presents a precision virtual ground whose output voltage is always equal to one-half the input voltage, the TLE2426 rail splitter. Voltage - V description 6 4 VO 2 The unique combination of a high-performance, micropower operational amplifier and a precision0 trimmed divider on a single silicon chip results in 0 0.25 0.5 0.75 1 a precise VO/VI ratio of 0.5 while sinking and t - Time - s sourcing current. The TLE2426 provides a low-impedance output with 20 mA of sink and source capability while drawing less than 280 A of supply current over the full input range of 4 V to 40 V. A designer need not pay the price in terms of board space for a conventional signal ground consisting of resistors, capacitors, operational amplifiers, and voltage references. For increased performance, the 8-pin package provides a noise-reduction pin. With the addition of an external capacitor (CNR), peak-to-peak noise is reduced while line ripple rejection is improved. Initial output tolerance for a single 5-V or 12-V system is better than 1% over the full 40-V input range. Ripple rejection exceeds 12 bits of accuracy. Whether the application is for a data acquisition front end, analog signal termination, or simply a precision voltage reference, the TLE2426 eliminates a major source of system error. ORDERING INFORMATION{ TA PACKAGE} ORDERABLE PART NUMBER TOP-SIDE MARKING -40C to 125C SOIC (D) Tape and Reel TLE2426QDRQ1 2426Q1 For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. 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. Copyright 2008 Texas Instruments Incorporated !" # $%&" !# '%()$!" *!"&+ *%$"# $ " #'&$$!"# '& ",& "&# &-!# #"%&"# #"!*!* .!!"/+ *%$" '$&##0 *&# " &$&##!)/ $)%*& "&#"0 !)) '!!&"&#+ POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 absolute maximum ratings over operating free-air temperature (unless otherwise noted) Continuous input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V Continuous filter trap voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 mA Duration of short-circuit current at (or below) 25C (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unlimited Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA: Q suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40C to 125C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D package . . . . . . . . . . . . . . . . . . . . . 260C 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. NOTE 1: The output may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum dissipation rating is not exceeded. DISSIPATION RATING TABLE PACKAGE TA 25 25C C POWER RATING D 1102 mV DERATING FACTOR ABOVE TA = 25C 10.3 mW/C TA = 70 70C C POWER RATING TA = 85 85C C POWER RATING TA = 125 125C C POWER RATING 638.5 mW 484 mW 72.1 mW recommended operating conditions Input voltage, VI Operating free-air temperature, TA 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 MIN MAX 4 40 UNIT V -40 125 C SGLS252A - AUGUST 2004 - REVISED JUNE 2008 electrical characteristics at specified free-air temperature, VI = 5 V, IO = 0 (unless otherwise noted) PARAMETER Output voltage TEST CONDITIONS VI = 4 V VI = 5 V TA 25C 25 C VI = 40 V VI = 5 V Full range Temperature coefficient of output voltage VI = 5 V VI = 4 to 40 V Supply current No load Output voltage regulation (sourcing current) IO = 0 to - 10 mA Output voltage regulation (sinking current) IO = 0 to 8 mA IO = 0 to 20 mA IO = 0 to - 20 mA IO = 0 to 10 mA Sinking current, VO = 5 V VO = 0 Sourcing current, CNR = 0 f = 10 Hz to 10 kHz CNR = 1 F IO = 10 mA Output voltage current step response VO to 0.01%, IO = 10 mA Step response VI = 0 to 5 V, VI = 0 to 5 V, 1.98 2 2.02 2.48 2.5 2.52 19.8 20 20.2 2.465 VO to 0.1% VO to 0.01% CL = 0 CL = 100 pF CL = 0 CL = 100 pF CL = 100 pF UNIT V 2.535 25 25C 170 Full range ppm/C 300 400 -0.102 A A 0.7 10 25C -0.121 1.4 25C 0.049 0.5 10 Full range Noise-reduction impedance VO to 0.1%, MAX Full range Output impedance Output noise voltage, rms TYP Full range 25C Short-circuit current MIN 25C 0.175 1.4 25C 7.5 22.5 25C 110 mV mV m k 26 25C -47 120 25C 30 mA V V 290 25C 275 400 25C 25C ss 390 20 120 s Full range is -40C to 125C. The listed values are not production tested. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 electrical characteristics at specified free-air temperature, VI = 12 V, IO = 0 (unless otherwise noted) PARAMETER Output voltage TEST CONDITIONS VI = 4 V VI = 12 V TA 25C 25 C VI = 40 V VI = 12 V Full range Temperature coefficient of output voltage VI = 12 V VI = 4 to 40 V Supply current No load Output voltage regulation (sourcing current) IO = 0 to - 10 mA IO = 0 to - 20 mA IO = 0 to 10 mA IO = 0 to 8 mA IO = 0 to 20 mA Sinking current, VO = 12 V VO = 0 Sourcing current, CNR = 0 f = 10 Hz to 10 kHz VO to 0.1%, CNR = 1 F IO = 10 mA Output voltage current step response VO to 0.01%, IO = 10 mA Step response VI = 0 to 12 V, VO to 0.1% VI = 0 to 12 V, VO to 0.01% CL = 0 CL = 100 pF CL = 0 CL = 100 pF CL = 100 pF Full range is -40C to 125C. The listed values are not production tested. 4 POST OFFICE BOX 655303 1.98 2 2.02 5.95 6 6.05 19.8 20 20.2 5.925 * DALLAS, TEXAS 75265 UNIT V 6.075 35 25C 195 Full range ppm/C 300 400 -1.48 A A 10 10 25C -3.9 10 25C 2.27 10 10 Full range Noise-reduction impedance Output noise voltage, rms MAX Full range Output impedance Short-circuit current TYP Full range 25C Output voltage regulation (sinking current) MIN 25C 4.3 10 25C 7.5 22.5 25C 110 mV mV m k 31 25C -70 120 25C 30 mA V V 290 25C 275 400 25C 25C ss 390 12 120 s SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS Table Of Graphs FIGURE Output voltage Distribution Output voltage change vs Free-air temperature 3 Output voltage error vs Input voltage 4 vs Input voltage 5 Input bias current 1, 2 vs Free-air temperature 6 Output voltage regulation vs Output current 7 Output impedance vs Frequency 8 Short-circuit output current vs Input voltage 9, 10 vs Free-air temperature 11, 12 Ripple rejection vs Frequency 13 Spectral noise voltage density vs Frequency 14 Output voltage response to output current step vs Time 15 Output voltage power-up response vs Time 16 Output current vs Load capacitance 17 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS DISTRIBUTION OF OUTPUT VOLTAGE DISTRIBUTION OF OUTPUT VOLTAGE 3 Percentage of Units - % Percentage of Units - % 2.5 40 98 Units Tested From 2 Wafer Lots VI = 5 V TA = 25C 2 1.5 1 98 Units Tested From 2 Wafer Lots VI = 12 V TA = 25C 30 20 10 0.5 0 2.48 0 2.49 2.5 2.51 VO - Output Voltage - V 2.52 6.05 6.075 6.025 VO - Output Voltage - V 6 Figure 1 Figure 2 OUTPUT VOLTAGE ERROR vs INPUT VOLTAGE OUTPUT VOLTAGE CHANGE vs FREE-AIR TEMPERATURE 4 150 IO = 0 TA = 25C IO = 0 3 75 Output Voltage Error - % VO - Output Voltage Change - mV V O VI = 40 V VI = 12 V 0 VI = 4 V, 5 V Error Equals VO / VI Deviation From 50% 2 1 -75 0 -150 -75 -1 -50 -25 0 25 50 75 100 125 0 4 TA - Free-Air Temperature - C 8 12 16 20 24 28 32 VI - Input Voltage - V Figure 3 Figure 4 Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices. 6 6.1 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 36 40 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS INPUT BIAS CURRENT vs INPUT VOLTAGE INPUT BIAS CURRENT vs FREE-AIR TEMPERATURE 300 300 IO = 0 VI = 40 V 250 TA = 25C IIB I IB - Input Bias Current - A IIB I IB - Input Bias Current - A 250 200 TA = - 55C 150 TA = 125C 100 VI = 12 V 200 VI = 5 V 150 VI = 4 V 100 50 50 IO = 0 0 0 0 5 10 15 20 25 30 35 40 -75 -50 VI - Input Voltage - V OUTPUT VOLTAGE REGULATION vs OUTPUT CURRENT OUTPUT IMPEDANCE vs FREQUENCY 200 VI = 5 V or 12 V IO = 0 TA = 25C VI = 5 V TA = 25C 10 z o - Output Impedance - Output Voltage Regulation - V 100 100 50 0 125 Figure 6 Figure 5 150 75 100 0 25 50 -20 TA - Free-Air Temperature - C TYP -50 -100 1 0.1 0.01 -150 -200 -20 0.001 0 10 -10 IO - Output Current - mA 20 10 100 1k 10 k 100 k 1M f - Frequency - Hz Figure 7 Figure 8 Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 7 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS SHORT-CIRCUIT OUTPUT CURRENT vs INPUT VOLTAGE SHORT-CIRCUIT OUTPUT CURRENT vs INPUT VOLTAGE 40 VO = GND (Output Sourcing) IOS I OS - Short-Circuit Output Current - mA IOS I OS - Short-Circuit Output Current - mA 0 -20 -40 TA = - 55C -60 TA = 125C TA = 25C TA = 25C TA = - 55C 30 TA = 125C 20 10 VO = VI (Output Sinking) 0 -80 0 5 10 15 20 25 30 35 0 40 5 Figure 9 25 30 40 VI = 40 V VO = GND (Output Sourcing) VI = 4 V -20 -30 VI = 5 V -40 -50 VI = 12 V -60 -70 VI = 40 V -50 -25 0 25 50 75 100 125 VI = 12 V 30 VI = 5 V VI = 4 V 20 10 VO = VI (Output Sinking) 0 -75 -50 TA - Free-Air Temperature - C -25 0 25 50 75 TA - Free-Air Temperature - C Figure 12 Figure 11 Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices. 8 35 40 IOS I OS - Short-Circuit Output Current - mA IOS I OS - Short-Circuit Output Current - mA 20 SHORT-CIRCUIT OUTPUT CURRENT vs FREE-AIR TEMPERATURE 0 -80 -75 15 Figure 10 SHORT-CIRCUIT OUTPUT CURRENT vs FREE-AIR TEMPERATURE -10 10 VI - Input Voltage - V VI - Input Voltage - V POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 100 125 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS RIPPLE REJECTION vs FREQUENCY SPECTRAL NOISE VOLTAGE DENSITY vs FREQUENCY 400 VI = 5 V or 12 V VI(PP) = 1 V IO = 0 TA = 25C 90 Ripple Rejection - dB 80 Vn - Spectral Noise Voltage Density - nV/ Hz 100 CNR = 1 F 70 60 50 40 30 20 CNR = 0 10 VI = 5 V or 12 V TA = 25C 300 200 100 CNR = 0 CNR = 1 F 0 0 10 100 1k 10 k 100 k 10 1 1M 100 1k f - Frequency - Hz f - Frequency - Hz Figure 13 Figure 14 OUTPUT VOLTAGE RESPONSE TO OUTPUT CURRENT STEP 10 k OUTPUT VOLTAGE POWER-UP RESPONSE 3 1.5 V 0.1% 3 0.1% VI = 5 V CL = 100 pF TA = 25C Output Voltage Response 2 1 0.01% 0 0.01% -1 -2 10 mA -3 IO Step 0.01% 2.5 VV) O - Output Voltage - V 4 V VO O - Change In Output Voltage - mV 100 k 0.1% 2 1.5 IO = 0 CL = 100 pF TA = 25C 1 0.5 0 5 Input Voltage Step -4 -10 mA -1.5 V 0 1000 2000 3000 0 0 4000 Time - s 50 100 150 200 Time - s Figure 16 Figure 15 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 9 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 TYPICAL CHARACTERISTICS STABILITY RANGE OUTPUT CURRENT vs LOAD CAPACITANCE 20 15 VI = 5 V TA = 25C Unstable I O - Output Current - mA 10 5 0 Stable -5 -10 -15 -20 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 10 0 CL- Load Capacitance - mF Figure 17 10 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 10 1 10 2 SGLS252A - AUGUST 2004 - REVISED JUNE 2008 MACROMODEL INFORMATION * * * * TLE2426 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT CREATED USING PARTS RELEASE 4.03 0N 08/21/90 AT 13:51 REV (N/A) SUPPLY VOLTAGE: 5 V CONNECTIONS: FILTER | INPUT * | | COMMON * | | | OUTPUT * | | | | .SUBCKT TLE2426 1 3 4 5 C1 C2 C3 CPSR DCM + DCM - DC DE DLP DLN DP ECMR EGND EPSR ENSE FB GA GCM GPSR GRC1 GRC2 GRE1 GRE2 HLIM HCMR IRP IEE IIO I1 Q1 Q2 R2 RCM REE RN1 RN2 RO1 RO2 VCM + VCM - VB VC VE VLIM VLP VLN VPSR RFB RIN1 RIN2 .MODEL DX .MODEL QX .ENDS 11 12 21.66E-12 6 7 30.00E-12 87 0 10.64E-9 85 86 15.9E-9 81 82 DX 83 81 DX 5 53 DX 54 5 DX 90 91 DX 92 90 DX 4 3 DX 84 99 (2,99) 1 99 0 POLY(2) (3,0) (4,0) 0 .5 .5 85 0 POLY(1) (3,4) -16.22E - 6 3.24E - 6 89 2 POLY(1) (88,0) 120E - 6 1 7 99 POLY(6) VB VC VE VLP VLN VPSR 0 74.8E6 - 10E6 10E6 6 0 11 12 320.4E - 6 0 6 10 99 1.013E - 9 85 86 (85,86) 100E - 6 4 11 (4,11) 3.204E - 4 4 12 (4,12) 3.204E - 4 13 10 (13,10) 1.038E - 3 14 10 (14,10) 1.038E - 3 90 0 VLIM 1K 80 1 POLY(2) VCM+ VCM - 0 1E2 1E2 3 4 146E - 6 3 10 DC 24.05E - 6 2 0 .2E - 9 88 0 1E - 21 11 89 13 QX 12 80 14 QX 6 9 100.0E3 84 81 1K 10 99 8.316E6 87 0 2.55E8 87 88 11.67E3 8 5 63 7 99 62 82 99 1.0 83 99 - 2.3 9 0 DC 0 3 53 DC 1.400 54 4 DC 1.400 7 8 DC 0 91 0 DC 30 0 92 DC 30 0 86 DC 0 5 2 1K 3 1 220K 1 4 220K D(IS=800.OE-18) PNP(IS=800.OE- 18 BF=480) POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 10E6 - 10E6 74E6 11 PACKAGE OPTION ADDENDUM www.ti.com 17-Aug-2012 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty 2500 TLE2426QDRG4Q1 ACTIVE SOIC D 8 TLE2426QDRQ1 ACTIVE SOIC D 8 Eco Plan (2) Green (RoHS & no Sb/Br) TBD Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) CU NIPDAU Level-1-260C-UNLIM Call TI Call TI (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. 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OTHER QUALIFIED VERSIONS OF TLE2426-Q1 : * Catalog: TLE2426 * Enhanced Product: TLE2426-EP Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 17-Aug-2012 NOTE: Qualified Version Definitions: * Catalog - TI's standard catalog product * Enhanced Product - Supports Defense, Aerospace and Medical Applications Addendum-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46C and to discontinue any product or service per JESD48B. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as "components") are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. 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