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L272

L272

  • 厂商:

    FAIRCHILD(仙童半导体)

  • 封装:

  • 描述:

    L272 - Dual Power Operational Amplifier - Fairchild Semiconductor

  • 数据手册
  • 价格&库存
L272 数据手册
www.fairchildsemi.com L272 Dual Power Operational Amplifier Features • • • • • • Output Current upto 0.7A Operates at Low Voltage (VS(MIN)=4V) Low Saturation Voltage (Ip=0.5A, VO=1.5V) Thermal Shutdown (TSD=160°C) Ground Compatible Inputs Large Common mode & Differential mode Range Description The L272 is a high-power dual operational amplifier provided as a 8-DIP and 16-SOP package. The operational amplifier is designed for low impedance loads and will deliver output current upto 0.7A. The L272 can be used in a wide range of applications including power supply, VCR, monitor, servo amplifier, compact disc, etc 8-DIP Applications • • • • • Servo Amplifier Power Supply Compact Disc VCR Monitor 1 16-SOP 1 Internal Block Diagram VCC OUT1 1 + Vcc 2 7 8 IN 1- 1 2 3 4 5 6 7 8 16 15 14 13 12 11 OUT1 NC NC GND GND NC IN1IN1+ OUT2 IN 1+ NC VEE/GND OUT2 3 + - 6 IN 2+ GND NC VEE/GND 4 5 IN 2- IN2IN2+ + (16-SOP) + 10 9 (8-DIP) Rev. 1.0.2 ©2001 Fairchild Semiconductor Corporation L272 PIN Definitions Pin Number 8-DIP 1 2 3 4 5 6 7 8 16-SOP 16 1 2 4/5/12/13 7 8 9 10 Pin Name OUTPUT1 VCC OUTPUT2 VEE/GND INPUT-2 INPUT+2 INPUT+1 INPUT-1 Pin Function Descrition Amp Output 1 Positive Supply Voltage Amp Output 2 Negative Supply Voltage (GND) Amp Negative Input 2 Amp Positive Input 2 Amp Positive Input 1 Amp Negative Input 1 Absolute Maximum Ratings Parameter Supply Voltage Input Voltage Differential Input Voltage DC Output Current Peak Output Current (non repetitive) Power dissipation at: Tamb=50°C Operating Temperature Range Storage and Junction Temperature Symbol VCC VI VI(DIFF) IO IP Ptot Top Tstg, Tj Value 40 VS ±VS 0.7 1 1 -25 to 85 -40 to 150 Unit V V V A A W °C °C Thermal Data Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 16-SOP Symbol Rθja Value 100 190 Unit °C/W 2 L272 Electrical Characteristics ( Vcc = +12V, VEE = -12V, Ta = 25°C unless otherwise specified ) Parameter Supply Voltage (VCC - VEE) Supply Current Input Bias Current Input Offset Voltage Input Offset Current Slew Rate Gain-Bandwidth Product Input Resistance Lange Signal Input Noise Voltage Input Noise Current Common Mode Rejection Ratio Supply Voltage Rejection Ratio Output Voltage Swing Channel Separation Total Harmonic Distortion Thermal stutdown Temperature (Note1) Symbol VS IS IBIAS VIO IIO SR GBW RI GV VO = VCC/2 VCC=24V, VEE=0V VCC=12V, VEE=0V Vin = 1Vpp, Unit Gain VO(pp) = ±10V B = 20KHz B = 20KHz VCC =+15V, VEE = -15V VCC =+5V, VEE = -5V VCC = 24V, VEE = 0V Ip = 0.1A Ip = 0.5A f = 1kHz; RL = 10Ω, GV = 30dB f = 1kHz, GV = 1dB,RL = ∞ Conditions Min. 4 500 65 60 54 21 21 Typ. 8 7.5 0.3 15 50 1 350 75 10 200 75 62 23 22.5 60 0.5 160 Max. 28 12 11 2.5 60 250 Unit V mA mA µA mV nA V/µs KHz KΩ dB µV pA dB dB V V dB % °C eN IN CMRR PSRR VO CS THD TSD Note : 1. Guaranteed by design. Not 100% tested in production. 3 L272 Typical Perfomance Characteristics Is,Supply Current(mA) 9 80 60 Gain(dB) 40 20 0 -20 8 7 6 5 0 4 8 12 16 20 24 28 VCC/VEE/Supply Voltage(V) 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 f, Frequency(Hz) Figure 1. Supply Voltage vs Supply Current with No Load -11 Output Voltage Swing (V) 11.5 Figure 2. Open Loop Voltage Gain Output Voltage Swing (V) 11 -12 100 200 300 400 500 600 700 10.5 100 200 300 400 500 600 700 IL, Load Current (mA) 0℃ 25℃ 50℃ 75 ℃ 100℃ 0℃ IL, Load Current (mA) 25℃ 50℃ 75℃ 100℃ Figure 3-1. Output Voltage Swing vs Load Current Figure 3-2. Output Voltage Swing vs Load Current 60 CS(dB) 40 20 0 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 5.E+01 5.E+02 5.E+03 5.E+04 f,Frequency(Hz) Figure 6. Channel Separation vs Frepuency 4 L272 Applications VCC 36kΩ 6 IN 10kΩ 5 + CH2 2 4 VEE 3 7 + CH1 8 - 2 1 Tilt Coil 4 3.3uF 50V 40kΩ 9.1kΩ 1kΩ VEE 33Ω < Tilt Coil Current Control Circuit in Monitor, 8-DIP Package> 5 L272 Mechanical Dimensions Package Dimensions in millimeters 8-DIP 1.524 ±0.10 0.018 ±0.004 0.060 ±0.004 0.46 ±0.10 6.40 ±0.20 0.252 ±0.008 0.79 ) 0.031 #8 9.20 ±0.20 0.362 ±0.008 9.60 MAX 0.378 #5 2.54 0.100 5.08 MAX 0.200 7.62 0.300 3.40 ±0.20 0.134 ±0.008 3.30 ±0.30 0.130 ±0.012 0.33 MIN 0.013 #1 #4 0.25 –0.05 0~15° +0.10 0.010 –0.002 +0.004 6 ( L272 Mechanical Dimensions Package Dimensions in millimeters 16-SOP MIN 0.51 ) 0.020 MAX0.10 MAX0.004 1.27 0.050 1.80 MAX 0.071 +0.10 0.406 -0.05 +0.004 0.016 -0.002 ( 0.05 0.002 1.55 ±0.10 0.061 ±0.004 #1 #16 10.30 MAX 0.405 #8 #9 6.00 ±0.30 0.236 ±0.012 3.95 ±0.20 0.156 ±0.008 +0.10 0.20 -0.05 +0.004 0.008 -0.002 5.72 0.225 0.70 ±0.20 0.0275 ±0.008 0~ 8° 9.90 ±0.20 0.39 ±0.008 7 L272 Ordering Information Product Number L272M L272D2 Package 8-DIP 16-SOP Operating Temperature -25°C ~ +85°C 8 L272 9 L272 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD 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 (c) 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 of the user. www.fairchildsemi.com 6/21/01 0.0m 001 Stock#DSxxxxxxxx  2001 Fairchild Semiconductor Corporation 2. A critical component in 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.

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