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NTE948 & NTE948SM Integrated Circuit Quad Operational Amplifier
Description: The NTE948 (14-Lead DIP) and NTE948SM (SOIC-14) consists of four independent, high gain, internally compensated, low power operational amplifiers which have been designed to provide functional characteristics identical to those of the familiar 741 operational amplifier. Features: * Low Supply Current Drain * Class AB Output Stage - No Crossover Distortion * Low Input Offset Voltage * Low Input Offset Current * Low Input Bias Current * High Degree of Isolation Between Amplifiers * Overload Protection for Inputs and Outputs * Available in 14-Lead DIP (NTE948) and Surface Mount (NTE948SM) Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Output Short Circuit Duration (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous Power Dissipation (TA = +25C, Note 2), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100C Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Thermal Resistance, Junction-to-Ambient (Note 2), RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . 100C/W Note 1. Any of the amplifier outputs can be shorted to ground indefinitely; however, more than one should not be simultaneously shorted as the maximum junction temperature will be exceeded. Note 2. The maximum power dissipation for these devices must be derated at elevated temperatures and is dicated by TJ(MAX), RthJA, and the ambient temperature, TA. The maximum available power dissipation at any temperature is PD = (TJ(MAX) - TA)/RthJA or the 25C PD(MAX), which ever is less.
Electrical Characteristics: (VS = 15V, 0 TA +70C unless otherwise specified)
Parameter Input Offset Voltage RS 10k Input Offset Current TA = +25C TA = +25C TA = +25C TA = +25C, VS = 15V TA = +25C, VS = 15V, VOUT = 10V, RL 2k VS = 15V, VOUT = 10V, RL > 2k Amplifier-to-Amplifier Coupling Small-Signal Bandwidth Phase Margin Slew Rate Output Short-Circuit Current Output Voltage Swing TA = +25C, f = 1Hz to 20kHz TA = +25C TA = +25C, AV = 1 TA = +25C, AV = 1 TA = +25C VS = 15V, RL = 10k VS = 15V, RL = 2k Input Voltage Range Common-Mode Rejection Ratio Supply Voltage Rejection Ratio VS = 15V RS 10k RS 10k, 5V VS 15V Test Conditions TA = +25C, RS 10k Min - - - - Input Bias Current - - Input Resistance Supply Current, All Amplifiers Large Signal Voltage Gain 0.8 - 25 - - - - - - 12 10 12 70 77 Typ 1.0 - 4 - 30 - 2.5 2.4 160 - -120 1.0 60 0.5 25 13 12 - 90 96 Max 6.0 7.5 50 100 200 400 - 4.5 - 15 - - - - - - - - - - Unit mV mV nA nA nA nA M mA V/mV V/mV dB MHz degrees V/s mA V V V dB dB
Pin Connection Diagram
1 2 3 4 Non-Invert Input B 5 Invert Input B 6 Output B 7
Output A Invert Input A Non-Invert Input A V (+)
14 13 12 11 10
Output D Invert Input D Non-Invert Input D V (-) Non-Invert Input C
9 Invert Input C 8 Output C
NTE948
14
8
1
7
.785 (19.95) Max .200 (5.08) Max
.300 (7.62)
.100 (2.45) .600 (15.24)
NTE948SM
.099 (2.5) Min
.340 (8.64)
14
8
.236 (5.99) .154 (3.91)
1
7
.050 (1.27)
016 (.406) 061 (1.53)
.198 (5.03)
NOTE: Pin1 on Beveled Edge
.006 (.152)

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