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(R)
L2726
LOW DROP DUAL POWER OPERATIONAL AMPLIFIER
.OUTPUTCURRENTTO1A .OPERATESATLOWVOLTAGES .SI .LARGECOMMON.LOWI .GROUNDCOMPATI .LOWSATURATI .THERMALSHUTDOWN .CLAMPDI
NGLE OR SPLIT SUPPLY MODE AND DIFFERENTIAL MODE RANGE NPUT OFFSET VOLTAGE BLE INPUTS ON VOLTAGE ODE
SO20 (12 + 4 + 4) ORDERING NUMBER : L2726
DESCRIPTION The L2726 is a monolithic integratedcircuit in SO-20 package intended for use as power operationalamplifiers in a widerangeof applicationsincludingservo amplifiers and power supplies. It is particularly indicatedfor driving inductive loads, as motor and finds applications in compact-disc VCR automative, etc. PIN CONNECTION (top view)
The high gain and high output power capability provide superior performance whatever an operational amplifier/power booster combination is required.
October 1998
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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L2726
BLOCK DIAGRAM
SCHEMATIC DIAGRAM (one section)
ABSOLUTE MAXIMUM RATINGS
Symbol Vs Vs Vi Vi IO Ip Ptot Top Tstg, Tj Parameter Supply Voltage Peak Supply Voltage (50ms) Input Voltage Differential Input Voltage DC Output Current Peak Output Current (non repetitive) Power Dissipation at Operating Temperature Storage and Junction Temperature Value 28 50 Vs Vs 1 1.5 1 5 - 40 to 85 - 40 to 150 Unit V V
Tamb = 85oC Tcase = 75oC
A A W
o o
C C
THERMAL DATA
R th j-case R th j-amb 2/6 Thermal Resistance Junction-case Thermal Resistance Junction-ambient (*) Max. Max. 15.0 65
o o
C/W C/W
(*) With 4 sq. cm copper area heatsink.
L2726
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 150 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
Vo =
Vs 2
Vs = 24V Vs = 24V
10 9 0.2
15 15 1 10 100 A mV nA V/s MHz k dB V pA dB dB dB dB V
2 1.2
VDROP(HIGH) VDROP(LOW) Cs
Tsd
Thermal Shutdown Junction Temperature
C
Figure 1 : Quiescent Current vs. Supply Voltage
Figure 2 : Open Loop Gain vs. Frequency
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L2726
Figure 3 : Common Mode Rejection Frequency Figure 4 : Output Swing vs. Load Current (Vs = 5V)
Figure 5 : Output Swing vs. Load Current (Vs = 12 V)
Figure 6 : SupplyVoltage Rejection vs. Frequency
Figure 7 : Channel Separation vs. Frequency.
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L2726
DIM. MIN. A A1 B C D E e H h L K 10 0.25 0.4 2.35 0.1 0.33 0.23 12.6 7.4
mm TYP. MAX. 2.65 0.3 0.51 0.32 13 7.6 1.27 10.65 0.75 1.27 0.394 0.010 0.016 MIN. 0.093 0.004 0.013 0.009 0.496 0.291
inch TYP. MAX. 0.104 0.012 0.020 0.013 0.512 0.299 0.050 0.419 0.030 0.050
OUTLINE AND MECHANICAL DATA
SO20
0 (min.)8 (max.)
L
h x 45
A B e K H D A1 C
20
11 E
1
10
SO20MEC
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L2726
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. Specification 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 (c) 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
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