SN74HC4851PW

$0.98

Description：IC MUX 8:1 195OHM 16TSSOP
Series：-

SKU:1cb6731c4778 Category: Analog Switches, Multiplexers, Demultiplexers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC MUX 8:1 195OHM 16TSSOP
Series：-
Mfr：Texas Instruments
Package：Tube
Switch Circuit：-
Multiplexer/Demultiplexer Circuit：8:01
On-State Resistance (Max)：195Ohm
Channel-to-Channel Matching (ΔRon)：3Ohm
Voltage - Supply, Single (V+)：2V ~ 6V
Voltage - Supply, Dual (V±)：-
Switch Time (Ton, Toff) (Max)：78ns, 78ns
-3db Bandwidth：-
Charge Injection：-
Channel Capacitance (CS(off), CD(off))：22pF
Current - Leakage (IS(off)) (Max)：200nA
Crosstalk：-
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：16-TSSOP
Number of Circuits：1
Grade：-
Qualification：-

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SN74HC4851PW

Overview

The SN74HC4851PW is an 8-channel analog multiplexer/demultiplexer manufactured using silicon gate CMOS technology. It features injection-current effect control, allowing disabled channel signals to exceed the supply voltage without affecting the enabled channel. The device operates with a supply voltage range of 2V to 5.5V and includes low power dissipation with a maximum ICC of 20µA at 5V. On-state resistance (RON) varies from 650Ω at 2V to 210Ω at 3.3V. Propagation delay (tPD) is typically 14.5ns at 3.3V and 11.5ns at 5V. It offers high noise immunity and latch-up performance exceeding 100mA per JESD 78, Class II.

Feature Summary

Injection-current cross coupling less than 1mV/mA
Low crosstalk between switches
Terminal compatible with SN74HC4051, SN74LV4051A, and CD4051B devices

Applications

Analog and digital multiplexing and demultiplexing
Diagnostics and monitoring
Data center switch
Remote radio unit (RRU)
Rack server

Procurement Notes

Verify the specific package type and status when ordering. The SN74HC4851PW is listed as active production in TSSOP-16 format. Confirm RoHS compliance and lead finish details against the latest TI Package Option Addendum. Ensure design compatibility with existing systems requiring terminal compatibility with legacy '4051 series devices.

Selection Notes

Select this component for applications requiring signal routing where disabled channels may experience voltages outside the normal supply range. The injection-current control eliminates the need for external diode-resistor networks. Consider the RON variation across the 2V to 5.5V operating range and the propagation delay specifications relative to system timing requirements.

Part Context

This device belongs to the Texas Instruments HC logic family, specifically designed as an 8-channel analog multiplexer. It serves as a functional replacement for older technologies like the CD4051B while offering improved injection-current handling. The PW suffix indicates a 16-pin Thin-Shrink Small Outline Package (TSSOP).