74HC4051D – NXP
8:1 Multiplexer IC, 130 Ohm, 16-SOIC Package
Stock Quantity: 24
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.68 |
| 10+ | |
| 50+ | |
| 100+ |
24 in stock
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Overview
The NXP 74HC4051D is a high-performance, single-pole octal-throw (SP8T) analog switch designed for versatile multiplexer/demultiplexer functions. Its primary strength lies in its ability to handle a wide analog signal range from -5 V to +5 V while maintaining low ON resistance, typically 80 Ω at VCC – VEE = 4.5 V. A critical design consideration for engineers is managing the trade-off between signal bandwidth and ON resistance; while the low ON resistance is beneficial for signal integrity, it can introduce attenuation at higher frequencies, necessitating careful impedance matching in sensitive RF or high-speed data paths.
Key Features
- Wide analog input voltage range: -5 V to +5 V
- Low typical ON resistance: 80 Ω at VCC – VEE = 4.5 V
- Digital select inputs: 3 (S0, S1, S2) with enable input (E)
- CMOS low power dissipation
- Latch-up performance exceeds 100 mA
- Package: SOIC-16 (150 mil)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Analog signal routing in audio processing chains
- Digital data stream selection in communication systems
- Sensor signal multiplexing for data acquisition
- Programmable gain amplifier (PGA) channel selection
