LF412CN Dual JFET Input Operational Amplifier 18V 1.8mA DIP-8

Description

LF412CN Dual JFET Input Operational Amplifier 18V 1.8mA DIP-8 The LF412CN is a low-cost, high-speed, JFET input operational amplifier designed with internally trimmed input offset voltage and low input offset voltage drift . This dual op-amp requires a low supply current while maintaining a large gain bandwidth product and a fast slew rate . Featuring well-matched high-voltage JFET input devices, it provides exceptionally low input bias and offset currents . Features Internally Trimmed Offset Voltage: 1 mV (Max) Low Input Offset Voltage Drift: 7 μV/°C (Typ) Low Input Bias Current: 50 pA Wide Gain Bandwidth: 3 MHz (Min) High Slew Rate: 10 V/μs (Min) Low Supply Current: 1.8 mA per amplifier High Input Impedance: 1 0 12 Ω Low Total Harmonic Distortion: ≤ 0.02% Low 1/f Noise Corner: 50 Hz Fast Settling Time (to 0.01%): 2 μs Specifications Parameter Conditions / Category Value (Typical/Limit) Unit Absolute Maximum Ratings Supply Voltage Maximum Limit ±18 V Differential Input Voltage Maximum Limit ±30 V Power Dissipation PDIP Package 670 mW Operating Temperature Commercial (C) 0 to 70 °C DC Electrical Characteristics (V S = ±15V, T A = 25°C) Input Offset Voltage (V OS ) R S = 10 kΩ 1.0 (Typ) / 3.0 (Max) mV Input Offset Current (I OS ) T j = 25°C 25 (Typ) / 100 (Max) pA Input Bias Current (I B ) T j = 25°C 50 (Typ) / 200 (Max) pA Input Resistance (R IN ) – 10 12 Ω Large Signal Voltage Gain (A VOL ) R L = 2 kΩ, V O = ±10V 200 (Typ) / 25 (Min) V/mV Output Voltage Swing (V O ) R L = 10 kΩ ±13.5 (Typ) / ±12 (Min) V Common-Mode Rejection Ratio (CMRR) R S ≤ 10 kΩ 100 (Typ) / 70 (Min) dB Supply Current (I S ) V O = 0V, Both Amplifiers 3.6 (Typ) / 6.5 (Max) mA AC Electrical Characteristics (V S = ±15V, T A = 25°C) Slew Rate (SR) – 15 (Typ) / 8 (Min) V/µs Gain-Bandwidth Product (GBW) – 4 (Typ) / 2.7 (Min) MHz Total Harmonic Distortion (THD) A V = +10, R L = 10 kΩ ≤ 0.02 % Equivalent Input Noise Voltage (e n ) f = 1 kHz 25 nV/√Hz Equivalent Input Noise Current (i n ) f = 1 kHz 0.01 pA/√Hz Applications High-Speed Integrators Fast D/A Converters Sample and Hold Circuits Circuits requiring low input offset voltage and drift High input impedance and wide bandwidth applications Package Content 1 x LF412CN Dual JFET Input Operational Amplifier 18V 1.8mA DIP-8 DataSheet lf412-n

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