Manufacturer Part Number
SN3257QDYYRQ1
Manufacturer
Texas Instruments
Introduction
The SN3257QDYYRQ1 is a high-performance analog switch designed for multiplexing and demultiplexing applications.
Product Features and Performance
SPDT configuration
2:1 multiplexer/demultiplexer circuit
Single circuit design
On-State Resistance of 5 Ohm maximum
Channel-to-Channel Matching of 70 mOhm
Wide voltage supply range from 1.5V to 5.5V
Fast switch time with 35µs On and 95ns Off
High -3db Bandwidth of 1.2GHz
Low charge injection at 3.5pC
Low channel capacitance at 4pF when off
Low leakage current with 900nA typical
Excellent crosstalk performance of -90dB at 100kHz
Product Advantages
Optimized for high-bandwidth applications
Low on-state resistance improves signal integrity
Compatible with a broad range of supply voltages
Fast switching speeds suitable for fast-paced applications
Suited for automotive grade applications with high-temperature tolerance
Key Technical Parameters
On-State Resistance (Max): 5Ohm
Voltage - Supply, Single (V+): 1.5V to 5.5V
Switch Time (Ton, Toff) (Max): 35µs, 95ns
-3db Bandwidth: 1.2GHz
Charge Injection: 3.5pC
Operating Temperature range: -40°C to 125°C
Quality and Safety Features
AEC-Q100 qualification for automotive reliability
Low leakage current enhances system safety
Automotive-grade temperature range ensuring operation in harsh environments
Compatibility
Versatile voltage supply range for broad compatibility
Surface mount package for standard PCB manufacturing processes
Application Areas
Automotive systems
Data acquisition systems
Communication devices
Audio and video switching
Test and measurement equipment
Product Lifecycle
Status: Active
Provided in the industry-standard SOT-23-16 Thin package
Available replacements or upgrades should be confirmed with the manufacturer
Several Key Reasons to Choose This Product
Low resistance and high bandwidth suit demanding applications
Robust automotive-grade performance for reliability
Low crosstalk and charge injection for superior signal fidelity
Versatile usage across multiple supply voltages
Fast switching speeds for real-time/rapid switching applications
Industry-standard packaging for ease of integration with existing designs
