L272 FAIRCHILD | Alldatasheet

Document overview

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Technical content

Features

  • Output Current upto 0.7A
  • Operates at Low V oltage (VS(MIN)=4V)
  • Low Saturation V oltage (Ip=0.5A, VO=1.5V)
  • Thermal Shutdown (TSD=160 °C)
  • Ground Compatible Inputs
  • Large Common mode & Differential mode Range

Applications

  • Servo Amplifier
  • Power Supply
  • Compact Disc
  • V C R
  • Monitor

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 16-SOP Internal Block Diagram 4 5 Vcc VEE/GND (8-DIP) OUT1 OUT2 IN 1- IN 1+ IN 2+ IN 2- 16VCC OUT2 VEE/GND GND IN2- IN2+ IN1+ IN1- GND GND OUT1 NC NC NC NC NC 16VCC OUT2 VEE/GND GND IN2- IN2+ IN1+ IN1- GND GND OUT1 NC NC NC NC NC (16-SOP) L272 Dual Power Operational Amplifier

Pin Name Pin Function Descrition8-DIP 16-SOP 1 16 OUTPUT1 Amp Output 1 2 1 VCC Positive Supply Voltage 3 2 OUTPUT2 Amp Output 2 4 4/5/12/13 VEE/GND Negative Supply Voltage (GND) 5 7 INPUT-2 Amp Negative Input 2 6 8 INPUT+2 Amp Positive Input 2 7 9 INPUT+1 Amp Positive Input 1 8 10 INPUT-1 Amp Negative Input 1 Parameter Symbol Value Unit Supply Voltage V CC 40 V Input Voltage V I VS V Differential Input Voltage V I(DIFF) ±VS V DC Output Current I O 0.7 A Peak Output Current (non repetitive) I P 1A Power dissipation at: Tamb=50°CP tot 1W Operating Temperature Range T op -25 to 85 °C Storage and Junction Temperature T stg, Tj -40 to 150 °C Parameter Symbol Value Unit Thermal Resistance Junction-Ambient Max. 8-DIP 16-SOP Rθja 100 190 °C/W

Electrical Characteristics

( Vcc = +12V, VEE = -12V, Ta = 25°C unless otherwise specified ) Note : 1. Guaranteed by design. Not 100% tested in production. Parameter Symbol Conditions Min. Typ. Max. Unit Supply Voltage (VCC - VEE)V S 4- 2 8 V Supply Current IS VO = VCC/2 VCC=24V, VEE=0V VCC=12V, VEE=0V 7.5 mA mA Input Bias Current I BIAS -- 0 . 3 2 . 5 µA Input Offset Voltage V IO - - 15 60 mV Input Offset Current I IO - - 50 250 nA Slew Rate SR Vin = 1Vpp, Unit Gain - 1 - V/ µs Gain-Bandwidth Product GBW - - 350 - KHz Input Resistance R I - 500 - - K Ω Lange Signal G V VO(pp) = ±10V 65 75 - dB Input Noise Voltage eN B = 20KHz - 10 - µV Input Noise Current I N B = 20KHz - 200 - pA Common Mode Rejection Ratio CMRR - 60 75 - dB Supply Voltage Rejection Ratio PSRR VCC =+15V, VEE = -15V VCC =+5V, VEE = -5V 54 62 - dB Output Voltage Swing V O VCC = 24V, VEE = 0V Ip = 0.1A Ip = 0.5A 22.5 V V Channel Separation C S f = 1kHz; RL = 10Ω , GV = 30dB -6 0-d B Total Harmonic Distortion THD f = 1kHz, G V = 1dB,RL = ∞ -0 . 5- % Thermal stutdown Temperature (Note1) TSD - - 160 - °C

< Tilt Coil Current Control Circuit in Monitor, 8-DIP Package> Tilt Coil 33Ω VEE 3.3uF 50V 7 + CH1 1kΩ CH2 VEE 40kΩ 9.1kΩ 10kΩ 36kΩ VCC 5IN

6.40 ±0.20 3.30 ±0.30 0.130 ±0.012 3.40 ±0.20 0.134 ±0.008 #4 #5 0.252 ±0.008 9.20 ±0.20 0.79 2.54 0.100 0.031() 0.46 ±0.10 0.018 ±0.004 0.060 ±0.004 1.524 ±0.10 0.362 ±0.008 9.60 0.378MAX 5.08 0.200 0.33 0.013 7.62 0~15° 0.300 MAX MIN 0.25 +0.10 –0.05 0.010 +0.004 –0.002 8-DIP

0.70 ±0.20 0.0275 ±0.008 #8 #9 #16 9.90 ±0.20 0.39 ±0.008 1.27 0.050 5.72 0.225 1.55 ±0.10 0.061 ±0.004 0.05 0.002 6.00 ±0.30 0.236 ±0.012 3.95 ±0.20 0.156 ±0.008 10.30 0.405MAX 0~8 0.51 0.020() 1.80 0.071 MAX0.10 MAX0.004 MAX MIN +0.10-0.05 0.20 +0.004-0.002 0.008 +0.10 -0.050.406 +0.004 -0.0020.016

Ordering Information

Product Number Package Operating Temperature L272M 8-DIP -25°C ~ +85°C L272D2 16-SOP

6/21/01 0.0m 001 Stock#DSxxxxxxxx  2001 Fairchild Semiconductor Corporation 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. 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. www.fairchildsemi.com 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.