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L2720/2/4 LOW DROP DUAL POWER OPERATIONAL AMPLIFIERS . . . . . . . . . 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 PO WERDIP (8 + 8) DESCRIPTION The L2720, L2722 and L2724 are monolithic integrated circuits in powerdip, minidip and SIP-9 packages, intended for use as power operational amplifiers in a wide range of applications including servo amplifiers and power supplies. They are particularly indicated for driving, inductive loads, as motor and finds applications in compactdisc VCR automotive, etc. The high gain and high output power capability provide superior performance whatever an operational amplifier/power booster combination is required. PIN CONNECTIONS (top views) MINIDIP (Plastic) SIP9 ORDERING NUMBERS : L2720 (Powerdip) L2722 (Minidip) L2724 (SIP9) L2720 L2722 L2724 November 1996 1/10 L2720/2/4 BLOCK DIAGRAM L2720 L2722 L2724 SCHEMATIC DIAGRAM (one section) ABSOLUTE MAXIMUM RATINGS Symbol VS VS Vi Vi Io Ip Ptot Supply Voltage Peak Supply Voltage (50ms) Input Voltage Differential Input Voltage DC Output Current Peak Output Current (non repetitive) Power Dissipation at Tamb = 80 C (L2720), Tamb = 50 C (L2722) Tcase = 75oC (L2720) o Tcase = 50 C (L2724) Storage and Junction Temperature o o Parameter Value 28 50 Vs ±Vs 1 1.5 1 5 10 ­40 to 150 Unit V V A A W o Tstg, Tj 2/10 C L2720/2/4 THERMAL DATA SIP-9 Rth j-case Rth j-amb Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max. Max. 10 C/W 70 C/W o o Powerdip 15 C/W 70 C/W o o Minidip 70 C/W 100 C/W o o ELECTRICAL CHARACTERISTICS Vs = 24V, Tamb = 25oC unless otherwise specified Symbol Vs Vs Is Ib Vos Ios SR B Ri Gv eN IN CMR SVR Parameter Single Supply Voltage Split Supply Voltage Quiescent Drain Current Input Bias Current Input Offset Voltage Input Offset Current Slew Rate Gain-bandwidth Product Input Resistance O.L. Voltage Gain Input Noise Voltage Input Noise Voltage Common Mode Rejection Supply Voltage Rejection f = 100Hz f = 1kHz B = 22Hz to 22kHz f = 1kHz f = 100Hz R G = 10k VR = 0.5V Vs = ±2.5V to ±12V Vs = ±2.5V to ±12V Channel Separation f = 1KHz R L = 10 Gv = 30dB Vs = 24V Vs = ±12V Vs = ±6V Ip = 100mA Ip = 500mA Ip = 100mA Ip = 500mA Vs = 24V Vs = 6V 66 60 500 70 80 60 10 200 84 70 75 80 0.7 1 0.3 0.5 60 60 1.5 V 1 dB o Test Conditions Min. 4 ±2 Typ. Max. 28 ± 14 Unit V V mA Vs Vo = 2 Vs = 24V Vs = 8V 10 9 0.2 15 15 1 10 100 µA mV nA V/µs MHz k dB µV pA dB dB 2 1.2 VDROP(HIGH) VDROP(LOW) Cs V Tsd Thermal Shutdown Junction Temperature C 145 Figure 1 : Quiescent Current vs. Supply Voltage FIgure 2 : Open Loop Gain vs. Frequency 3/10 L2720/2/4 Figure 3 : Common Mode Rejection vs. Frequency Figure 4 : Output Swing vs. Load Current (VS = ± 5 V. Figure 5 : Output Swing vs. Load Current (VS = ± 12 V. Figure 6 : Supply Voltage rejection vs. Freq