NTE925

NTE925 Integrated Circuit Instrumentation Operational Amplifier Description: The NTE925 is an operational amplifier in an 8−Lead Metal Can featuring superior performance in applications where low noise, low drift, and accurate closed loop gain are required. With high common mode rejection and offset null capability, this device is especially suited for low level instrumentation applications over a wide supply voltage range. Features; D High Open Loop Gain: 3,000.00 D Low Input Voltage Drift: 0.6µV/°C D High Common Mode Rejection: 120dB D Low Input Noise Current: 0.15pA/√Hz D Low Input Offset Current: 2nA D High Input Voltage Range: ±14V D Wide Power Supply Range: ±3V to ±22V D Offset Null Capability D Output Short Circuit Protection Absolute Maximum Ratings: Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±22V Internal Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Derate Above TA = +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C/W Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5V Input Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±22V Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65° to +150°C Lead Temperature (During soldering, 10 sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C Note 1. For supply voltages less than ±22V, the absolute maximum input voltage is equal to the supply voltage. Electrical Characteristics: (VS = ±15V, TA = +25°C, Note 1 unless otherwise specified) Parameter Input Offset Voltage p g Without External T i With t E t l Trim Average Input Offset Voltage Drift Without External Trim With External Trim Input Offset Current p TA = +70°C TA = 0°C Average Input Offset Current Drift Input Bias Current p TA = +70°C TA = 0°C Input Noise Voltage p g fo = 10Hz fo = 100Hz fo = 1kHz Input Noise Current p fo = 10Hz fo = 100Hz fo = 1kHz Input Resistance Input Voltage Range Large Signal Voltage Gain g g g RL ≥ 2kΩ VOUT = ±10V TA = +70°C TA = 0°C Common Mode Rejection Ratio j Power Supply Rejection Ratio pp y j Output Voltage Swing p g g RS ≤ 10kΩ TA = 0° to +70°C RS ≤ 10kΩ TA = 0° to +70°C RL ≥ 10kΩ RL ≥ 2kΩ TA = 0° to +70°C Power Consumption TA = 0° to +70°C RS ≤ 10kΩ TA = 0° to +70°C RS = 50Ω, TA = 0° to +70°C Test Conditions Min − − − − − − − − − − − − − − − − − − ±13.5 250 125000 125000 94 − − − ±12.0 ±10.0 ±10.0 − Typ 0.5 − 2.0 0.6 2.0 1.2 4.0 10 42 − − 15 9 8 1.0 0.3 0.15 15 ±14.0 3000 − − 120 115 2.0 20 ±13.5 ±13.5 − 80 Max 2.5 3.5 − − 35 35 50 − 125 125 250 − − − − − − − − − − − − − 35 − − − − 150 Unit mV mV µV/°C µV/°C nA nA nA pA/°C nA nA nA nV/√Hz nV/√Hz nV/√Hz pA/√Hz pA/√Hz pA/√Hz MΩ V V/mV V/V V/V dB dB µV/V µV/V V V V mW Note 1. For supply voltages less than ±22V, the absolute maximum input voltage is equal to the supply voltage. Pin Connection Daigram (Top View) Output Compensation 5 6 4 V (−) V (+) 7 3 Non−Invert Input Offset Null 8 1 Offset Null 2 Invert Input .370 (9.39) Dia Max .335 (8.52) Dia Max .177 (4.5) Max .492 (12.5) Min .018 (0.45) Dia Typ 2 1 45° 8 7 3 4 5 6 .200 (5.06) Dia .032 (0.82)