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NTE894M & NTE894SM Integrated Circuit Low Noise Operational Amplifier
Description: The NTE891M and NTE891SM are single, high-performance, low noise operational amplifiers. Compared to other operational amplifier, these devices show better noise performance, improved output drive capability and considerably higher small-signal and power bandwidths. This makes the devices especially suitable for applications in high quality and professional audio equipment, in instrumentation and control circuits and telephone channel amplifiers. The OP amps are internally compensated for gain equal to, or higher than, three. Features: D Small-Signal Bandwidth D Large Supply Voltage Range D Available in 8-Lead Mini DIP (NTE894M) and Surface Mount SOIC-8 (NTE894SM) Applications: D Audio Equipment D Instrumentation and Control Circuits D Telephone Channel Amplifiers D Medical Equipment Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V Differential Input Voltage (Note 1), VDIFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V supply V Power Dissipation (TA = +25C, Note 2), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1150mW Output Short-Circuit Duration (Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indifinite Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Soldering Temperature (10 seconds), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Note 1. Diodes protect the inputs against over voltage. Therefore, unless current limiting resistors are used, large currents will flow if the differential input voltage exceeds 0.6V. maximum current should be limited to 10mA. Note 2. For operation at elevated temperature, derate packages based on the following junction-to- ambient thermal resistance: NTE894M 105C/W; NTE894SM 160C/W. Note 3. Output may be shorted to GND at VS = 15V, TA = +25C. Temperature and/or supply voltages must be limited to ensure dissipation rating is not exceeded.
DC Electrical Characteristics: (TA = +25C, VS = 15V, unless otherwise specified)
Parameter Input Offset Voltage Symbol VOS TA = 0 to +70C VOS/T Input Offset Current IOS TA = 0 to +70C IOS/T Input Bias Current IB TA = 0 to +70C IB/T Supply Current Input Common-Mode Range Common-Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Output Voltage Swing ICC TA = 0 to +70C VCM CMRR PSRR AVOL VOUT RL 600, VO = 10V TA = 0 to +70C RL 600 TA = 0 to +70C RL 600, VO = 18V RL 2k TA = 0 to +70C Input Resistance Output Short-Circuit Current RIN ISC Test Conditions Min - - - - - - - - - - - 12 70 - 25 15 12 10 15 13 12 50 - Typ 0.5 - 5 20 - 200 500 - 5 4 - 13 100 10 100 - 13 12 16 13.5 12.5 100 38 Max 4 5 - 300 400 - 1500 2000 - 8 10 - - 100 - - - - - - - - - Unit mV mV V/C nA nA pA/C nA nA nA/C mA mA V dB V/V V/mV V/mV V V V V V k mA
AC Electrical Characteristics: (TA = +25C, VS = 15V unless otherwise specified)
Parameter Output Resistance Transient Response Rise Time Overshoot Transient Response Rise Time Overshoot Gain Gain Bandwidth Product Slew Rate Power Bandwidth AV GBW SR f = 10kHz, CC = 0 f = 10kHz, CC = 22pF CC = 22pF, CL = 100pF CC = 0 CC = 22pF VOUT = 10V, CC = 0 VOUT = 10V, CC = 22pF VOUT = 14V, RL = 600, CC = 22pF, VCC = 18V tR VIN = 50mV, RL = 600, CC = 47pF, CL = 500pF - - - - - - - - - - 50 35 6 2.2 10 13 6 200 95 70 - - - - - - - - - - ns % V/mV V/mV MHz V/s V/s kHz kHz kHz tR Symbol ROUT Test Conditions AV = 30dB, Closed-Loop, f = 10kHz, RL = 600, CC = 22pF Voltage Follower, VIN = 50mV, RL = 600, CC = 22pF, CL = 100pF - - 20 20 - - ns % Min - Typ 0.3 Max - Unit
Electrical Characteristics: (TA = +25C, VS = 15V unless otherwise specified)
Parameter Input Noise Voltage Input Noise Current Broadband Noise Figure Channel Separation Symbol VNOISE INOISE fO = 30Hz fO = 1kHz fO = 30Hz fO = 1kHz f = 10Hz to 20kHz, RS = 5k f = 1kHz, RS = 5k Pin Connection Diagram Balance 1 Inverting Input 2 Non-Inverting Input 3 V (-) 4 NTE894M
8 5
Test Conditions
Min - - - - - -
Typ 5.5 3.5 1.5 0.4 0.9 110
Max 7.0 4.5 - - - -
Unit nVpHz nVpHz pApHz pApHz dB dB
8 Balance/Compensation 7 V (+) 6 Output 5 Compensation
.256 (6.52) Max
1 .393 (10.0) Max
4 .300 (7.62) .150 (3.81)
.100 (2.54) .300 (7.62)
.070 (1.77) Min
NTE894SM
.192 (4.9)
8
5 .154 (3.91)
.236 (5.99)
1
4
.050 (1.27)
016 (.406) 061 (1.53)
.198 (5.03)
.006 (.152)
NOTE: Pin1 on Beveled Edge

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