# LS404 Quad Operational Amplifier

## Description
· High-performance quad operational amplifier.
· Designed for professional and telecom applications (active filters, etc.).
· Features internal frequency and phase compensation for stable operation.
· Patented input stage prevents phase inversion and handles signals below the negative supply voltage.

## Electrical Characteristics (VCC = ±15V, Tamb = 25°C)
· Supply Current (ICC): 1.3 - 3 mA
· Input Bias Current (Iib): 50 - 300 nA
· Input Offset Voltage (Vio): 0.5 - 5 mV
· Large Signal Voltage Gain (Avd): 86 - 100 dB
· Gain-Bandwidth Product (GBP): 1.5 - 3 MHz
· Equivalent Input Noise Voltage (en): 8-20 nV/√Hz
· Total Harmonic Distortion (THD): 0.01 - 0.4 %
· Output Voltage Swing (±Vopp): ±3 - ±13 V
· Slew Rate (SR): 0.8 - 1.5 V/µs
· Common Mode Rejection Ratio (CMR): 80 - 94 dB
· Supply Voltage Rejection Ratio (SVR): 86 - 94 dB
· Channel Separation (VO1/VO2): ≥ 120 dB

## Absolute Maximum Ratings
· Supply Voltage (VCC): ±18 V
· Operating Temperature Range:
- LS404C: 0 to +70 °C
- LS404I: -40 to +105 °C
- LS404M: -55 to +125 °C
· Storage Temperature: -65 to +150 °C
· Power Dissipation: 400 mW @ 70°C

## Package Options
· DIP14 (Plastic Package)
· SO14 (Plastic Micropackage)

## Pin Connections (Top View)
· Refer to the datasheet for a detailed pinout diagram. Includes connections for:
- Inverting & Non-Inverting Inputs (1-4)
- Outputs (1-4)
- Positive & Negative Supply Voltage.