FSA1256L8X - onsemi

Manufacturer Part Number

FSA1256L8X

Manufacturer

onsemi

Introduction

The FSA1256L8X is a high-performance SPST analog switch designed for signal switching applications that require low on-state resistance, fast switching times, and minimal charge injection.

Product Features and Performance

SPST-NO switch configuration

1:1 Multiplexer/Demultiplexer Circuit

Dual circuit operations

On-State Resistance (Max): 1.15 Ohm

Channel-to-Channel Matching (ΔRon): 60mOhm

Switching Time (Ton, Toff) (Max): 35ns, 15ns

-3db Bandwidth: 300MHz

Charge Injection: 20pC

Channel Capacitance (CS(off), CD(off)): 11.5pF

Crosstalk: -100dB @ 1MHz

Product Advantages

Ultra-low on-state resistance reduces signal loss and improves performance

Fast switching times enable quick signal routing and faster operation

Minimal crosstalk ensures signal integrity in multi-signal environments

Key Technical Parameters

Voltage Supply, Single (V+): 1.65V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Current Leakage (IS(off)) (Max): 2nA (Typ)

Quality and Safety Features

Robust operating temperature range ensures reliable performance under harsh conditions

Compatibility

Compatible with various signal types within specified voltage ranges

Surface Mount, 8-UFQFN packaging for easy integration

Application Areas

Communication equipment

Data acquisition systems

Signal routing

Product Lifecycle

Product Status: Obsolete

Availability of replacements or upgrades can be checked through the manufacturer or distributors

Several Key Reasons to Choose This Product

Exceptionally low resistance and charge injection significantly improve signal fidelity

High bandwidth capacity ideal for high-speed communications

Compact package suitable for high-density board designs

Rapid switching capabilities enable efficient multiplexing and demultiplexing tasks

Ensures minimal signal interruption or interference due to advanced circuit design