STG3820BJR datasheet(1/20 Pages) STMICROELECTRONICS

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This is information on a product in full production.

August 2013

DocID15992 Rev 4

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STG3820

Low voltage high bandwidth quad DPDT switch

Datasheet

- production data

Features

 Ultralow power dissipation

–ICC = 1 µA (max.) at TA = 85 °C

 Low “ON” resistance

–RON = 5.4  (TA = 25 °C) at VCC = 4.3 V

–RON = 6.6  (TA = 25 °C) at VCC = 3.0 V

 Wide operating voltage range

–VCC (OPR.) = 1.65 V to 4.3 V

 4.3 V tolerant and 1.8 V compatible threshold

on digital control input at VCC = 2.3 V to 3.0 V

 4 select pins controlling 2 switches each

 Typical bandwidth (-3 dB) at 800 MHz on all

channels

 USB (2.0) high speed (480 Mbps) signal

switching compliant

 Integrated fail safe function

 Latch-up performance exceeds 100 mA per

JESD 78, Class II

 ESD performance exceeds JESD22

2000-V human body model (A114-A)

Applications

 Mobile phones

Description

The STG3820 device is a high-speed CMOS low

voltage quad analog DPDT (dual pole dual throw)

switch or 2:1 multiplexer/demultiplexer switch

fabricated in silicon gate C2MOS technology. It is

designed to operate from 1.65 V to 4.3 V, making

this device ideal for portable applications.

The SELm-n input is provided to control the

switches. The switches nS1 and mS1 are ON

(connected to common ports Dn and Dm

respectively) when the SELm-n input is held high

and OFF (high impedance state exists between

the two ports) when the SELm-n is held low. The

switches nS2 and mS2 are ON (connected to

common port Dn and Dm respectively) when the

SELm-n input is held low and OFF (high

impedance state exists between the two ports)

when the SELm-n is held high.

The STG3820 device has an integrated fail safe

function to withstand overvoltage condition when

the device is powered off. Additional key features

are fast switching speed, break-before-make-

delay time and ultralow power consumption. All

inputs and outputs are equipped with protection

circuits against static discharge, giving them ESD

immunity and transient excess voltage.

Table 1. Device summary

Flip Chip 30

(2.0 x 2.4 mm)

Order code

Package

Packing

STG3820BJR

Flip Chip 30

(2.0 x 2.4 mm)

Tape and reel

www.st.com

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