Technical Summary: HCC4067B and HCC4097B CMOS Analog Multiplexers/Demultiplexers

Overview

The HCC4067B and HCC4097B are high-performance CMOS analog multiplexers/demultiplexers from the B-series of CMOS devices. These components are designed for precision signal routing in a variety of electronic applications. The HCC4067B is a single 16-channel multiplexer/demultiplexer, while the HCC4097B is a differential 8-channel multiplexer/demultiplexer. Both devices are characterized by low on-resistance, high noise immunity, and wide operating voltage ranges, making them suitable for industrial, automotive, and communication systems.

Features

• Wide Operating Voltage Range: 3V to 18V, compatible with TTL and CMOS logic levels.
• Low On-Resistance: Typically 80Ω at V_DD = 15V, ensuring minimal signal attenuation.
• High Noise Immunity: CMOS technology provides excellent noise rejection, critical for signal integrity.
• Break-Before-Make Switching: Prevents signal overlap during channel switching.
• Low Power Consumption: Ideal for battery-operated and portable devices.
• Extended Temperature Range: Operates reliably from -40°C to +125°C, suitable for harsh environments.
• Multiple Package Options: Available in DIP, SOIC, and TSSOP packages for flexible PCB integration.

Applications

The HCC4067B and HCC4097B are versatile components used in a wide range of applications, including:

• Data Acquisition Systems: Multiplexing analog signals from sensors to ADCs.
• Audio/Video Signal Routing: Switching between multiple audio or video sources.
• Communication Systems: Channel selection in RF and baseband circuits.
• Industrial Control: Signal routing in PLCs and automation systems.
• Test and Measurement Equipment: Automated test systems requiring high channel counts.
• Medical Electronics: Signal multiplexing in diagnostic and monitoring devices.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_DD): -0.5V to +20V
• Input Voltage (V_IN): -0.5V to V_DD + 0.5V
• Storage Temperature Range: -65°C to +150°C
• Power Dissipation (P_D): 500mW (DIP package), 300mW (SOIC/TSSOP)

DC Electrical Characteristics (V_DD = 15V, T_A = 25°C)

• On-Resistance (R_ON): 80Ω (max) at I_ON = 10mA
• On-Resistance Matching (ΔR_ON): 5Ω (max) between channels
• Input Leakage Current (I_IN): ±100nA (max) at V_IN = 0V to V_DD
• Supply Current (I_DD): 1µA (typ) at V_DD = 18V, no load

AC Electrical Characteristics

• Propagation Delay (t_PD): 120ns (max) from select input to output
• Channel-to-Channel Crosstalk: -70dB (typ) at f = 1MHz
• Off-Isolation: -80dB (typ) at f = 1MHz

Package Information

The HCC4067B and HCC4097B are available in multiple package options to suit different design requirements:

• DIP (Dual In-Line Package): 24-pin (4067B), 16-pin (4097B), 0.3" row spacing.
• SOIC (Small Outline Integrated Circuit): 24-pin (4067B), 16-pin (4097B), 0.15" body width.
• TSSOP (Thin Shrink Small Outline Package): 24-pin (4067B), 16-pin (4097B), 4.4mm body width.

Package Dimensions (24-pin DIP Example)

• Body Length: 31.75mm (max)
• Body Width: 7.62mm (max)
• Lead Pitch: 2.54mm
• Lead Length: 3.3mm (min)

Conclusion

The HCC4067B and HCC4097B CMOS analog multiplexers/demultiplexers offer robust performance for signal routing applications. With their low on-resistance, wide voltage range, and high noise immunity, they are well-suited for demanding environments. Multiple package options provide flexibility for PCB layout, while extended temperature ratings ensure reliability in industrial and automotive systems. These devices are an excellent choice for designers seeking precision and versatility in analog signal switching.