LTC1390CS, 8-Channel Analog Multiplexer with Serial Interface, SOIC-16

The LTC1390CS is a high-performance CMOS 8-to-1 analog multiplexer designed for efficient analog signal routing. It features a 3-wire serial digital interface with a bidirectional data retransmission capability, allowing it to be connected in series with a serial A/D converter while using only one serial port. This interface also enables multiple LTC1390 devices to be wired in series or parallel, expanding the number of available multiplexer channels without increasing the number of required digital ports. The device operates over a wide supply voltage range and includes features such as low on-resistance, low leakage currents, and guaranteed break-before-make operation, making it suitable for applications in data acquisition systems, communication systems, and general signal multiplexing.

• 8-Channel Multiplexer: Connects one of eight inputs to a common output, facilitating efficient analog signal routing.
• 3-Wire Serial Digital Interface: Utilizes a simple 3-wire interface for control, reducing the number of required microcontroller pins.
• Low On-Resistance: Features a typical on-resistance of 45Ohm, ensuring minimal signal loss.
• Wide Supply Voltage Range: Operates with single supplies from 3V to +/-5V, providing flexibility for various applications.
• Low Leakage Current: Exhibits low leakage currents, maintaining signal integrity.
• Break-Before-Make Switching: Ensures that no two channels are connected simultaneously during switching, preventing signal interference.