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| LM10 Operational Amplifier and Voltage Reference August 2000 LM10 Operational Amplifier and Voltage Reference General Description The LM10 series are monolithic linear ICs consisting of a precision reference, an adjustable reference buffer and an independent, high quality op amp. The unit can operate from a total supply voltage as low as 1.1V or as high as 40V, drawing only 270A. A complementary output stage swings within 15 mV of the supply terminals or will deliver 20 mA output current with 0.4V saturation. Reference output can be as low as 200 mV. The circuit is recommended for portable equipment and is completely specified for operation from a single power cell. In contrast, high output-drive capability, both voltage and current, along with thermal overload protection, suggest it in demanding general-purpose applications. The device is capable of operating in a floating mode, independent of fixed supplies. It can function as a remote comparator, signal conditioner, SCR controller or transmitter for analog signals, delivering the processed signal on the same line used to supply power. It is also suited for operation in a wide range of voltage- and current-regulator applications, from low voltages to several hundred volts, providing greater precision than existing ICs. This series is available in the three standard temperature ranges, with the commercial part having relaxed limits. In addition, a low-voltage specification (suffix "L") is available in the limited temperature ranges at a cost savings. Features n n n n n n input offset voltage: 2.0 mV (max) input offset current: 0.7 nA (max) input bias current: 20 nA (max) reference regulation: 0.1% (max) offset voltage drift: 2V/C reference drift: 0.002%/C Connection and Functional Diagrams Metal Can Package (H) Small Outline Package (WM) DS005652-1 DS005652-17 Order Number LM10BH, LM10CH, LM10CLH or LM10H/883 available per SMA# 5962-8760401 See NS Package Number H08A Dual-In-Line Package (N) Order Number LM10CWM or LM10CWMX See NS Package Number M14B DS005652-16 DS005652-15 Order Number LM10CN or LM10CLN See NS Package Number N08E (c) 2000 National Semiconductor Corporation DS005652 www.national.com LM10 Absolute Maximum Ratings (Notes 1, 8) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. LM10/LM10B/ LM10BL/ LM10C LM10CL 45V 7V ESD rating is to be determined. Maximum Junction Temperature LM10 LM10B LM10C 150C 100C 85C Total Supply Voltage Differential Input Voltage (Note 2) Power Dissipation (Note 3) Output Short-circuit Duration (Note 4) Storage-Temp. Range Lead Temp. (Soldering, 10 seconds) Metal Can Lead Temp. (Soldering, 10 seconds) DIP Vapor Phase (60 seconds) Infrared (15 seconds) 40V 7V Operating Ratings Package Thermal Resistance JA H Package N Package WM Package JC H Package 150C/W 87C/W 90C/W 45C/W internally limited continuous -55C to +150C 300C 260C 215C 220C See AN-450 "Surface Mounting Methods and Their Effect on Product Reliability" for other methods of soldering surface mount devices. Electrical Characteristics TJ =25C, TMINTJTMAX (Boldface type refers to limits over temperature range) (Note 5) Parameter Input offset voltage Input offset current (Note 6) Input bias current Input resistance Large signal voltage gain VS =20V, IOUT =0 VOUT =19.95V VS =20V, VOUT =19.4V IOUT =20 mA (15 mA) VS =0.6V (0.65V), IOUT =2 mA VOUT =0.4V (0.3V), VCM =-0.4V Shunt gain (Note 7) 1.2V (1.3V) VOUT40V, RL =1.1 k 0.1 mAIOUT5 mA 1.5VV+40V, RL =250 0.1 mAIOUT20 mA Common-mode rejection Supply-voltage rejection -20VVCM19.15V (19V) VS =20V -0.2VV--39V V+ =1.0V (1.1V) 1.0V (1.1V) V 39.8V + Conditions Min LM10/LM10B Typ 0.3 0.25 10 250 150 120 80 50 20 1.5 0.5 14 6 8 4 93 87 90 84 96 90 2.0 2.0 106 96 102 25 33 3.0 130 400 500 Max 2.0 3.0 0.7 1.5 20 30 150 115 80 50 25 15 1.0 0.75 10 6 6 4 90 87 87 84 93 90 Min LM10C Typ 0.5 0.4 12 400 400 130 3.0 33 Max 4.0 5.0 2.0 3.0 30 40 Units mV mV nA nA nA nA k k V/mV V/mV V/mV V/mV V/mV V/mV V/mV V/mV 25 102 96 106 5.0 5.0 90 V/mV V/mV dB dB dB dB dB dB V/C pA/C pA/C 0.008 0.01 %/V %/V V- =-0.2V Offset voltage drift Offset current drift Bias current drift Line regulation TC < 100C 1.2V (1.3V) VS40V 0IREF1.0 mA, VREF =200 mV 60 0.001 0.003 0.006 0.001 www.national.com 2 LM10 Electrical Characteristics Parameter Load regulation Amplifier gain Feedback sense voltage Feedback current Reference drift Supply current Supply current change (Continued) TJ =25C, TMINTJTMAX (Boldface type refers to limits over temperature range) (Note 5) Conditions Min 0IREF1.0 mA V -VREF1.0V (1.1V) + LM10/LM10B Typ 0.01 50 23 195 194 20 0.002 270 400 500 75 200 205 206 50 65 75 Max 0.1 0.15 25 15 190 189 Min LM10C Typ 0.01 70 200 22 0.003 300 15 500 570 75 210 211 75 90 Max 0.15 0.2 Units % % V/mV V/mV mV mV nA nA %/C A A A 0.2VVREF35V 1.2V (1.3V) VS40V 15 Electrical Characteristics TJ =25C, TMINTJTMAX (Boldface type refers to limits over temperature range) (Note 5) Parameter Input offset voltage Input offset current (Note 6) Input bias current Input resistance Large signal voltage gain VS =3.25V, IOUT =0 VOUT =3.2V VS =3.25V, IOUT =10 mA VOUT =2.75 V VS =0.6V (0.65V), IOUT =2 mA VOUT =0.4V (0.3V), VCM =-0.4V Shunt gain (Note 7) Common-mode rejection Supply-voltage rejection 1.5VV+6.5V, RL =500 0.1 mAIOUT10 mA -3.25VVCM2.4V (2.25V) VS =3.25V -0.2VV--5.4V V+ =1.0V (1.2V) 1.0V (1.1V) V 6.3V + Conditions Min LM10BL Typ 0.3 0.1 10 250 150 60 40 10 4 1.5 0.5 8 4 89 83 86 80 94 88 2.0 2.0 60 106 96 102 30 3.0 25 300 500 Max 2.0 3.0 0.7 1.5 20 30 150 115 40 25 5 3 1.0 0.75 6 4 80 74 80 74 80 74 Min LM10CL Typ 0.5 0.2 12 400 300 25 3.0 30 102 96 106 5.0 5.0 90 0.01 0.02 0.1 0.15 0.001 0.01 0.02 0.03 0.15 0.2 Max 4.0 5.0 2.0 3.0 30 40 Units mV mV nA nA nA nA k k V/mV V/mV V/mV V/mV V/mV V/mV V/mV V/mV dB dB dB dB dB dB V/C pA/C pA/C %/V %/V % % V- =0.2V Offset voltage drift Offset current drift Bias current drift Line regulation Load regulation 1.2V (1.3V) VS6.5V 0IREF0.5 mA, VREF =200 mV 0IREF0.5 mA V+-VREF1.0V (1.1V) 0.001 0.01 3 www.national.com LM10 Electrical Characteristics Parameter Amplifier gain Feedback sense voltage Feedback current Reference drift Supply current (Continued) TJ =25C, TMINTJTMAX (Boldface type refers to limits over temperature range) (Note 5) Conditions Min 0.2VVREF5.5V 30 20 195 194 20 0.002 260 400 500 200 205 206 50 65 0.003 280 500 570 LM10BL Typ 70 Max Min 20 15 190 189 22 200 210 211 75 90 LM10CL Typ 70 Max V/mV V/mV mV mV nA nA %/C A A Units Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. Note 2: The Input voltage can exceed the supply voltages provided that the voltage from the input to any other terminal does not exceed the maximum differential input voltage and excess dissipation is accounted for when VIN Definition of Terms Input offset voltage: That voltage which must be applied between the input terminals to bias the unloaded output in the linear region. Input offset current: The difference in the currents at the input terminals when the unloaded output is in the linear region. Input bias current: The absolute value of the average of the two input currents. Input resistance: The ratio of the change in input voltage to the change in input current on either input with the other grounded. Large signal voltage gain: The ratio of the specified output voltage swing to the change in differential input voltage required to produce it. Shunt gain: The ratio of the specified output voltage swing to the change in differential input voltage required to produce it with the output tied to the V+ terminal of the IC. The load and power source are connected between the V+ and V- terminals, and input common-mode is referred to the V- terminal. Common-mode rejection: The ratio of the input voltage range to the change in offset voltage between the extremes. Supply-voltage rejection: The ratio of the specified supply-voltage change to the change in offset voltage between the extremes. Line regulation: The average change in reference output voltage over the specified supply voltage range. Load regulation: The change in reference output voltage from no load to that load specified. Feedback sense voltage: The voltage, referred to V-, on the reference feedback terminal while operating in regulation. Reference amplifier gain: The ratio of the specified reference output change to the change in feedback sense voltage required to produce it. Feedback current: The absolute value of the current at the feedback terminal when operating in regulation. Supply current: The current required from the power source to operate the amplifier and reference with their outputs unloaded and operating in the linear range. www.national.com 4 LM10 Typical Performance Characteristics (Op Amp) Input Current Common Mode Limits Output Voltage Drift DS005652-18 DS005652-19 DS005652-20 Input Noise Voltage DC Voltage Gain Transconductance DS005652-21 DS005652-22 DS005652-23 Output Saturation Characteristics Output Saturation Characteristics Output Saturation Characteristics DS005652-24 DS005652-25 DS005652-26 5 www.national.com LM10 Typical Performance Characteristics (Op Amp) Minimum Supply Voltage Minimum Supply Voltage (Continued) Minimum Supply Voltage DS005652-27 DS005652-28 DS005652-29 Frequency Response Output Impedance Typical Stability Range DS005652-30 DS005652-31 DS005652-32 Large Signal Response Comparator Response Time For Various Input Overdrives Comparator Response Time For Various Input Overdrives DS005652-33 DS005652-34 DS005652-35 www.national.com 6 LM10 Typical Performance Characteristics (Op Amp) Follower Pulse Response Noise Rejection (Continued) Rejection Slew Limiting DS005652-36 DS005652-37 DS005652-38 Supply Current Thermal Gradient Feedback Thermal Gradient Cross-coupling DS005652-39 DS005652-40 DS005652-41 Shunt Gain Shunt Gain Shunt Gain DS005652-42 DS005652-43 DS005652-44 7 www.national.com LM10 Typical Performance Characteristics (Reference) Line Regulation Load Regulation Reference Noise Voltage DS005652-45 DS005652-46 DS005652-47 Minimum Supply Voltage Output Saturation Typical Stability Range DS005652-48 DS005652-49 DS005652-50 Typical Applications (Note 10) Op Amp Offset Adjustment Standard (Pin numbers are for devices in 8-pin packages) Limited Range Limited Range With Boosted Reference DS005652-51 DS005652-52 DS005652-53 www.national.com 8 LM10 Typical Applications (Note 10) Positive Regulators (Note 9) Low Voltage (Pin numbers are for devices in 8-pin packages) (Continued) Best Regulation Zero Output DS005652-54 DS005652-55 DS005652-56 Note 9: Use only electrolytic output capacitors. Current Regulator Shunt Regulator DS005652-57 DS005652-58 Required For Capacitive Loading Negative Regulator Precision Regulator DS005652-59 *Electrolytic DS005652-60 9 www.national.com LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Laboratory Power Supply DS005652-61 *VOUT =10-4 R3 HV Regulator DS005652-62 DS005652-84 www.national.com 10 LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Protected HV Regulator DS005652-63 Flame Detector Light Level Sensor DS005652-64 *800C Threshold Is Established By Connecting Balance To VREF. DS005652-65 *Provides Hysteresis Remote Amplifier Remote Thermocouple Amplifier DS005652-66 DS005652-67 11 www.national.com LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Transmitter for Bridge Sensor DS005652-68 Precision Thermocouple Transmitter DS005652-69 10 mAIOUT50 mA 500CTP1500C *Gain Trim www.national.com 12 LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Optical Pyrometer Resistance Thermometer Transmitter DS005652-70 DS005652-71 Level-shift Trim *Scale Factor Trim Copper Wire Wound Thermocouple Transmitter Logarithmic Light Sensor DS005652-73 1 mAIOUT5 mA 50 AID500 A Center Scale Trim Scale Factor Trim *Copper Wire Wound DS005652-72 200CTp700C 1 mAIOUT5 mA Gain Trim 13 www.national.com LM10 Typical Applications (Note 10) Battery-level Indicator (Pin numbers are for devices in 8-pin packages) (Continued) Battery-threshold Indicator DS005652-74 DS005652-75 Single-cell Voltage Monitor Double-ended Voltage Monitor DS005652-76 DS005652-77 Flashes Above 1.2V Rate Increases With Voltage Flash Rate Increases Above 6V and Below 15V Meter Amplifier DS005652-78 INPUT 10 mV, 100nA FULL-SCALE www.national.com 14 LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Thermometer DS005652-79 *Trim For Span Trim For Zero Light Meter DS005652-80 1/0105 15 www.national.com LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Microphone Amplifier DS005652-81 ZOUT680 @ 5 kHz AV1k f1100 Hz f25 kHz RL500 *Max Gain Trim Isolated Voltage Sensor DS005652-82 Controls "Loop Gain" *Optional Frequency Shaping www.national.com 16 LM10 Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued) Light-level Controller DS005652-83 Note 10: Circuit descriptions available in application note AN-211. Application Hints With heavy amplifier loading to V-, resistance drops in the V- lead can adversely affect reference regulation. Lead resistance can approach 1. Therefore, the common to the reference circuitry should be connected as close as possible to the package. 17 www.national.com LM10 Operational Amplifier Schematic (Pin numbers are for 8-pin packages) DS005652-13 www.national.com 18 LM10 Reference and Internal Regulator (Pin numbers are for 8-pin packages) DS005652-14 19 www.national.com LM10 Physical Dimensions inches (millimeters) unless otherwise noted Metal Can Package (H) Order Number LM10BH, LM10CH, LM10CLH or LM10H/883 NS Package Number H08A S.O. Package (WM) Order Number LM10CWM or LM10CWMX NS Package Number M14B www.national.com 20 LM10 Operational Amplifier and Voltage Reference Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Dual-In-Line Package (N) Order Number LM10CN or LM10CLN NS Package Number N08E LIFE SUPPORT POLICY NATIONAL'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com www.national.com National Semiconductor Europe Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Francais Tel: +33 (0) 1 41 91 8790 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: ap.support@nsc.com National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. |
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