Analog Devices Inc. ADG408BRU

ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP Product Summary

The ADG408BRU, manufactured by Analog Devices Inc., is a monolithic CMOS analog multiplexer designed for high-performance signal switching in precision electronic systems. Packaged in a 16-lead Thin Shrink Small Outline Package (TSSOP), the ADG408BRU embodies an 8:1 architecture, enabling one of eight inputs to be connected to a common output under digital control. This versatile IC switch is engineered for robust performance, featuring low on resistance and low power consumption, which positions it as a reliable solution for demanding analog routing tasks such as data acquisition and instrumentation.

Main Attributes of ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP

The ADG408BRU supports supply voltages of up to ±22 V (absolute maximum ratings), with an operational range conducive to both single and dual supply configurations. Its analog signal range extends from the negative to positive supply rails, ensuring compatibility with a broad spectrum of input signals. The device boasts a maximum on resistance (RON) of 100 Ω, delivering minimal loss and distortion across signal paths. With a supply current of less than 75 μA, ADG408BRU operates efficiently, making it ideal for battery-powered as well as line-powered systems. Its fast switching speed and break-before-make switching mechanism guard against channel shorting and transient glitches. Additionally, ADG408BRU offers low charge injection, essential for high-precision sampling applications.

Use Cases for ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP

The ADG408BRU finds wide application in scenarios demanding flexible analog channel selection combined with reliable isolation and signal integrity. Typical use cases include audio and video routing, automatic test equipment, data acquisition systems, battery-powered measuring instruments, sample-and-hold circuits, and communications infrastructure. In engineering practice, the ADG408BRU can be used, for example, to sequentially connect multiple sensor outputs to a single ADC input, ensuring design simplicity and minimizing board real estate. Its low power draw is particularly attractive for mobile platforms and remote monitoring circuitry.

ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP Electrical Characteristics

Operating from dual supplies (e.g., ±15 V) or single supplies (e.g., +12 V), the ADG408BRU offers flexibility for integration into diverse system topologies. The analog signal range matches the supply rails, accommodating broad input voltages. Maximum supply current remains below 75 μA, facilitating energy-conscious designs. Its on resistance—100 Ω at maximum—ensures low voltage drop and signal fidelity, with channel-to-channel variation (ΔRON) tightly controlled. The truth table and address logic guarantee deterministic and glitch-free channel selection via standard binary control. Leakage currents, both when on and off, are minimized to preserve signal integrity, a critical parameter for low-level or high-impedance analog signals.

Functional Properties of ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP

The ADG408BRU's switching capability is characterized by rapid channel transitions, break-before-make sequencing, and stable performance across temperature variations. Timing diagrams detail propagation delays, enable/disable response, and transition intervals, supporting precise timing calculations in high-speed or multiplexed signal systems. Engineers should heed ESD precautions and absolute maximum ratings during PCB assembly and system integration to safeguard device longevity and operational stability. The multiplexer remains robust against signal coupling, with low crosstalk and excellent off isolation, vital in densely routed analog boards.

Performance Specifications of ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP

In terms of quantitative performance, RON remains relatively flat across input voltage swings and temperature extremes, a necessity for accuracy in analog multiplexing. Leakage currents are tightly limited, both for channel-off and channel-on states, preventing charge buildup or parasitic interference. Switching times are short, supporting high-frequency signal routing and fast analog-to-digital conversions. Charge injection is minimized, ensuring that digital control logic does not adversely affect analog output states. Engineering considerations such as channel-to-channel crosstalk and off isolation are substantiated in frequency response plots, reinforcing the device’s proficiency in demanding multi-channel environments.

ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP Pin Layout and Packaging Details

The ADG408BRU is offered in a space-efficient 16-TSSOP package, conforming to JEDEC standards for mechanical reliability and automated PCB assembly. The pin configuration supports easy integration, with address lines (A0, A1, A2) and enable control established for intuitive channel selection. The functional block diagram assists in system-level design and pin mapping. Package outline dimensions are provided in millimeters to assist with mechanical layout and thermal modeling.

Alternative/Equivalent Options for ADG408BRU Analog Devices Inc. IC MUX 81 100OHM 16TSSOP

The ADG408BRU is designed as an improved, plug-in replacement for industry-standard analog multiplexers such as the DG408 series. Engineers seeking substitutes may evaluate the DG408 from other vendors, but should review comparative specifications around on resistance, leakage, charge injection, and switching speed. Additionally, the ADG409 from Analog Devices, featuring four differential channels, may suit requirements where differential routing is necessary. Selection should be guided by electrical and timing compatibility with existing multiplexer footprints and signal characteristics.

Conclusion

The ADG408BRU Analog Devices Inc. IC MUX 8:1 100OHM 16TSSOP stands out as a versatile, high-performance analog multiplexer tailored for modern signal acquisition and routing environments. Its blend of low on resistance, broad signal range, low power operation, and robust switching logic makes it exceptionally valuable to product selection engineers and procurement professionals aiming for reliability and long-term system performance. When choosing the ADG408BRU, considerations around electrical specifications, mechanical footprint, and system requirements can be confidently addressed, supporting both legacy compatibility and advanced engineering solutions.