TISN74HC4851PWR
Overview
The SN74HC4851PWR is an 8-channel analog multiplexer/demultiplexer featuring injection-current effect control. This specialized circuitry allows signals at unused analog input channels to exceed the supply voltage without affecting the signal in the active channel, making it ideal for systems with noisy or over-voltage signals. It operates over a wide 2V to 6V supply range and is pin-compatible with the industry-standard 4051 architecture.
Why Choose This Part
The primary advantage is its injection-current control, which maintains signal integrity by limiting crosstalk to 195 Ohms (max) even when input voltages exceed VCC. It features high latch-up resistance exceeding 100mA and a wide operating temperature range from -40C to 125C, ensuring reliability in harsh industrial environments.
Applications
Key Specifications
Getting Started
To evaluate this device, connect the S0-S2 address pins to your MCU's digital outputs and the E (enable) pin to ground for active operation. Ensure all unused analog inputs are properly terminated or grounded if injection-current protection is not required. Logic levels are compatible with standard CMOS outputs across the 2V to 6V supply range.
