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LM7131 Dataheets PDF



Part Number LM7131
Manufacturers National Semiconductor
Logo National Semiconductor
Description Tiny High Speed Single Supply Operational Amplifier
Datasheet LM7131 DatasheetLM7131 Datasheet (PDF)

LM7131 Tiny High Speed Single Supply Operational Amplifier September 1999 LM7131 Tiny High Speed Single Supply Operational Amplifier General Description The LM7131 is a high speed bipolar operational amplifier available in a tiny SOT23-5 package. This makes the LM7131 ideal for space and weight critical designs. Single supply voltages of 3V and 5V provides good video performance, wide bandwidth, low distortion, and high PSRR and CMRR. This makes the amplifier an excellent choice for desktop an.

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LM7131 Tiny High Speed Single Supply Operational Amplifier September 1999 LM7131 Tiny High Speed Single Supply Operational Amplifier General Description The LM7131 is a high speed bipolar operational amplifier available in a tiny SOT23-5 package. This makes the LM7131 ideal for space and weight critical designs. Single supply voltages of 3V and 5V provides good video performance, wide bandwidth, low distortion, and high PSRR and CMRR. This makes the amplifier an excellent choice for desktop and portable video and computing applications. The amplifier is supplied in surface mount 8-pin and tiny SOT23-5 packages. Tiny amplifiers are so small they can be placed anywhere on a board close to the signal source or next to an A-to-D input. Good high speed performance at low voltage makes the LM7131 a preferred part for battery powered designs. n n n n n n n n n Guaranteed specs at 3V, 5V, and ± 5V supplies Typical supply current 7.0 mA at 5V, 6.5 mA at 3V 4V output swing with +5V single supply Typical total harmonic distortion of 0.1% at 4 MHz 70 MHz Gain-Bandwidth Product 90 MHz −3 dB bandwidth at 3V and 5V, Gain = +1 Designed to drive popular video A/D converters 40 mA output can drive 50Ω loads Differential gain and phase 0.25% and 0.75˚ at AV = +2 Applications n n n n n Driving video A/D converters Video output for portable computers and PDAs Desktop teleconferencing High fidelity digital audio Video cards Features n Tiny SOT23-5 package saves space-typical circuit layouts take half the space of SO-8 designs. Connection Diagrams 8-Pin SO-8 5-Pin SOT23-5 DS012313-1 DS012313-2 Top View Top View Package 8-Pin SO-8 8-Pin SO-8 8-Pin SO-8 8-Pin SO-8 5-Pin SOT 23-5 5-Pin SOT 23-5 5-Pin SOT 23-5 5-Pin SOT 23-5 Ordering Information LM7131ACM LM7131BCM LM7131ACMX LM7131BCMX LM7131ACM5 LM7131BCM5 LM7131ACM5X LM7131BCM5X NSC Drawing Number M08A M08A M08A M08A MA05A MA05A MA05A MA05A Package Marking LM7131ACM LM7131BCM LM7131ACM LM7131BCM A02A A02B A02A A02B rails rails Supplied as 2.5k units tape and reel 2.5k units tape and reel 1k units on tape and reel 1k units on tape and reel 3k units tape and reel 3k units tape and reel © 1999 National Semiconductor Corporation DS012313 www.national.com Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Differential Input Voltage Voltage at Input/Output Pin Supply Voltage (V+ – V−) Current at Input Pin Current at Output Pin (Note 3) Current at Power Supply Pin Lead Temperature 2000V ± 2.0 (V+)+0.1V, (V−) − 0.3V 12V ± 5 mA ± 80 mA ± 80 mA (soldering, 10 sec) Storage Temperature Range Junction Temperature (Note 4) 260˚C − 65˚C to +150˚C 150˚C Operating Ratings Supply Voltage (V+ – V−) Junction Temperature Range LM7131AC, LM7131BC Thermal Resistance (θJA) SO-8 Package, 8-Pin Surface Mount M05A Package, 5-Pin Surface Mount 2.7V ≤ V ≤ 12V 0˚C ≤ TJ ≤ + 70˚C 165˚C/W 325˚C/W 3V DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 3V, V− = 0V, VCM = VO = V+/2 and RL = 150Ω. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note 5) LM7131AC Limit (Note 6) VOS TCVOS IB IOS CMRR CMRR +PSRR −PSRR VCM Input Offset Voltage Input Offset Voltage Average Drift Input Bias Current Input Offset Current Common Mode Rejection Ratio Common Mode Rejection Ratio Positive Power Supply Rejection Ratio Negative Power Supply Rejection Ratio Input Common-Mode Voltage Range 0V ≤ VCM ≤ 0.85V (Video Levels) 0.85V ≤ VCM ≤ 1.7V (Mid-Range) V+ = 3V, V− = 0V V+ = 3V to 6.5V V− = −3V, V+ = 0V V− = −3V to −6.5V V+ = 3V For CMRR ≥ 50 dB 2.0 AVOL CIN VO Voltage Gain Common-Mode Input Capacitance Output Swing High Low High Low VO Output Swing High www.national.com LM7131BC Limit (Note 6) 7 10 Units 0.02 10 20 0.35 75 70 75 75 0.0 3.5 4 mV max µV/˚C 35 40 3.5 5 60 55 55 50 65 60 65 60 0.0 0.00 1.70 1.60 55 50 35 40 3.5 5 60 55 55 50 65 60 65 60 0.0 0.00 1.70 1.60 55 50 µA max µA max dB min dB min dB min dB min V min V max dB pF RL = 150Ω, VO = 0.250V to 1.250V 60 2 V+ = 3V, RL = 150Ω terminated at 0V V+ = 3V, RL = 150Ω terminated at 0V V+ = 3V, RL = 150Ω terminated at 1.5V V+ = 3V, RL = 150Ω terminated at 1.5V V+ = 3V, RL = 600Ω terminated at 0V 2 2.6 0.05 2.6 0.5 2.73 2.3 2.0 0.15 0.20 2.3 2.0 0.8 1.0 2.3 2.0 0.15 0.20 2.3 2.0 0.8 1.0 V min V max V min V max V max 3V DC Electrical Characteristics Symbol Parameter (Continued) Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 3V, V− = 0V, VCM = VO = V+/2 and RL = 150Ω. Boldface limits apply at the temperature extremes. Conditions Typ (Note 5) LM7131AC Limit (Note 6) VO ISC Output Swing Low Output Short Circuit Current Sinking, VO = 3V IS Supply Current V+ = + 3V 40 6.5 V+ = 3V, RL = 600Ω terminated at 0V Sourcing, VO = 0V 0.06 65 45 40 25 20 9.0 9.5 45 40 25 20 9.0 9.5 LM7131.


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