ST L2726 October 1998 LOW DROP DUAL POWER OPERATIONAL AMPLIFIER handbook
Contents
1. o pepe e EINE 0 51 0 013 0 020 0 013 0 512 0 min 8 max SO20MEC L2726 L2726 Information furnished is believed to be accurate and reliable However STMicroelectronics assumes no responsibility for the conse quences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specification mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied 5 croelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroelectronics 1998 STMicroelectronics Printed in Italy All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia Brazil Canada China France Germany Italy Japan Korea Malaysia Malta Mexico Morocco The Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U S A http www st com 66 y2. AY L2726 LOW DROP DUAL POWER OPERATIONAL AMPLIFIER g OUTPUT CURRENT TO 1 g OPERATES AT LOW VOLTAGES SINGLE OR SPLIT SUPPLY LARGE COMMON MODE AND DIFFERENTIAL MODE RANGE a LOW INPUT OFFSET VOLTAGE GROUND COMPATIBLE INPUTS g LOW SATURATION VOLTAGE THERMAL SHUTDOWN g CLAMP DIODE DESCRIPTION The L2726 is a monolithic integrated circuit in SO 20 package intended for use as power operational am plifiers in a wide range of applications including servo amplifiers and power supplies It is particularly indicated for driving inductive loads as motor and finds applications in compact disc VCR automative etc PIN CONNECTION top view VS OUT 2 N C GND GND GND GND N C IN 2 IN 2 OM KAW DH 5020 12 4 4 ORDERING NUMBER L2726 The high gain and high output power capability pro vide superior performance whatever an operational amplifier power booster combination is required N C N C GND GND GND GND N C IN 1 IN 1 Le726 2 DIS October 1998 1 6 L2726 BLOCK DIAGRAM L2726 1 DIS SCHEMATIC DIAGRAM one section THERMAL PROTECTION ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Peak Supply Voltage 50ms Input Voltage Differential Input Voltage lo DC Output Current lp Peak Output Current non repetitive Pot Power Dissipation at Tap 85C 1 W 75 C 5 Operati
3. ng Temperature 40 to 85 Storage and Junction Temperature 40 to 150 THERMAL DATA Thermal Resistance Junction case t Max Thermal Resistance Junction ambient Max With 4 sq cm copper area heatsink 2 6 1571 L2726 ELECTRICAL CHARACTERISTICS Vs 24V Tamb 25 C unless otherwise specified ML E I 1 WK w Single Supply Votage a eee EE 24V ls Quiescent Drain Current di Vs 24V a j 03 Vos input Ofset votage input Onset Current 39 sR Sem 3 ws 8 38 M LR O L Voltage Gain Input Noise Voltage B 22Hz to 22kHz Input Noise 201498 Supply Voltage Rejection VDROP HIGH Vs 2 5V to 12V lp 100mA lp 500mA VDROP LOW Vs 2 5V to 12V 1 100mA 500mA Cs Channel Separation f 1KHz Ri 100 Gy 30dB Tsa G 6163 Vile M N Ed M ME b 3 6 4 L2726 Figure 3 Common Mode Rejection Frequency Figure 4 Output Swing vs Load Current Vs 5V 10 10 10 10 Hz EIgute E s v Ne Cs Figure 6 Supply Voltage Rejection vs Frequency Figure 7 Channel Separation vs Frequency G 6131 4 6 lt OUTLINE AND
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ST L2726 October 1998 LOW DROP DUAL POWER OPERATIONAL AMPLIFIER handbook