L2720D LOW DROP DUAL POWER OPERATIONAL AMPLIFIER ■ ■ ■ ■ ■ ■ ■ ■ ■ OUTPUT CURRENT TO 1 A OPERATES AT LOW VOLTAGES SINGLE OR SPLIT SUPPLY LARGE COMMON-MODE AND DIFFERENTIAL MODE RANGE LOW INPUT OFFSET VOLTAGE GROUND COMPATIBLE INPUTS LOW SATURATION VOLTAGE THERMAL SHUTDOWN CLAMP DIODE DESCRIPTION The L2720D is a monolithic integrated circuits in SO16 package, intended for use as power operational amplifiers in a wide range of applications including servo amplifiers and power supplies. SO-16 (narrow) ORDERING NUMBER: L2720D It is particularly indicated for driving, inductive loads, as motor and finds applications in compact-disc VCR automotive, etc. The high gain and high output power capability provide superior performance whatever an operational amplifier/power booster combination is required. BLOCK DIAGRAM September 2002 1/6 L2720D PIN CONNECTION (Top view) SCHEMATIC DIAGRAM (one section) ABSOLUTE MAXIMUM RATINGS Symbol Value Unit VS Supply Voltage 28 V VS Peak Supply Voltage (50ms) 50 V Vi Input Voltage Vs Vi Differential Input Voltage ±Vs Io DC Output Current Ip 1 A Peak Output Current (non repetitive) 1.5 A Ptot Power Dissipation at Tamb = 50°C 800 mW Top Operating Temperature – 40 to 85 °C Storage and Junction Temperature – 40 to 150 °C Tstg, Tj 2/6 Parameter L2720D THERMAL DATA Symbol Parameter Rth j-amb Thermal Resistance Junction to ambient Typ. Value Unit 95 °C/W ELECTRICAL CHARACTERISTICS (Vs = 24V, Tamb = 25°C unless otherwise specified) Symbol Parameter Vs Single Supply Voltage Vs Split Supply Voltage Is Quiescent Drain Current Test Conditions Min. Max. Unit 4 28 V ±2 ± 14 V 10 9 15 15 mA mA 0.2 1 µA V V o = ---2 Vs = 24V Vs = 8V Ib Typ. Input Bias Current Vos Input Offset Voltage 10 mV Ios Input Offset Current 100 nA SR Slew Rate B Gain-bandwidth Product Ri Input Resistance Gv O.L. Voltage Gain f = 100Hz f = 1kHz eN Input Noise Voltage B = 22Hz to 22kHz IN Input Noise Voltage 70 Common Mode Rejection f = 1kHz SVR Supply Voltage Rejection f = 100Hz; Vs = 24V RG = 10kΩ; Vs = ±12V VR = 0.5V; Vs = ±6V VDROP(L) Drop voltage low Cs Channel Separation Tsd Thermal Shutdown Junction Temperature V/µs MHz 500 CMR VDROP(H) Drop voltage high 2 1.2 Vs = ±2.5V to ±12V Vs = ±2.5V to ±12V f = 1KHz; Vs = 24V RL = 10Ω; Vs = 6V Gv = 30dB Figure 1. Quiescent Current vs. Supply Voltage kΩ 80 60 dB 10 µV 200 pA 66 84 dB dB 60 70 75 80 Ip = 100mA Ip = 500mA 0.7 1 1.5 V Ip = 100mA Ip = 500mA 0.3 0.5 1 V 60 60 dB 145 °C Figure 2. Open Loop Gain vs. Frequency 3/6 L2720D Figure 3. Common Mode Rejection vs. Frequency Figure 6. Supply Voltage rejection vs. Frequency Figure 4. Output Swing vs. Load Current (VS = ± 5V). Figure 7. Channel Separation vs. Frequency Figure 5. Output Swing vs. Load Current (VS = ± 12V). 4/6 L2720D mm DIM. MIN. TYP. A a1 inch MAX. MIN. TYP. 1.75 0.1 0.25 a2 MAX. 0.069 0.004 0.009 1.6 0.063 b 0.35 0.46 0.014 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 c1 0.020 45˚ (typ.) D (1) 9.8 10 0.386 0.394 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 8.89 0.350 F (1) 3.8 4 0.150 0.157 G 4.6 5.3 0.181 0.209 L 0.4 1.27 0.016 0.050 M S OUTLINE AND MECHANICAL DATA 0.62 0.024 SO16 Narrow 8˚(max.) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). 5/6 L2720D Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics 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 2002 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 6/6