AS21P2THB datasheet(1/23 Pages) STMICROELECTRONICS

부품명	AS21P2THB

상세설명	Low voltage high bandwidth dual single-pole double-throw analog switch

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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This is information on a product in full production.

March 2014

DocID026023 Rev 1

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AS21P2THB

Low voltage high bandwidth dual single-pole double-throw analog

switch

Datasheet

- production data

Features

 Ultra low power dissipation:

–ICC = 1 A (max.) at TA = 85 °C

 Low “ON” resistance:

–RON = 4.8  (TA = 25 °C) at VCC = 4.3 V

–RON = 5.9  (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

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

channels

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

switching compliant

 Integrated fail safe function

 Interrupt function to indicate to the processor

that the device is in dedicated port charging

mode

 Latch-up performance exceeds 500 mA per

JESD 78, Class II

 ESD performance exceeds JESD22:

– Dn pins: 4000-V human body model (A114-

A)

– All other pins: 2000-V human body model

(A114-A)

Applications

 Wearable

 Sport and fitness

 Portable equipment

Description

The AS21P2THB is a high-speed CMOS low

voltage dual analog SPDT (single pole double

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, thus making this device the ideal

selection for portable applications.

The SEL input is provided to control the switch.

The switch nS1 is ON (connected to common

ports Dn) when the SEL input is held high and

OFF (high impedance state exists between the

two ports) when SEL is held low, the switch nS2 is

ON (it is connected to common port Dn) when the

SEL input is held low and OFF (high impedance

state exists between the two ports) when SEL is

held high. AS21P2THB has an integrated fail safe

function to withstand over-voltage condition when

the device is powered off.

The AS21P2THB also has an interrupt pin which

sends a signal to the processor when the device

is in dedicated port charging mode. 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.

QFN10

(1.8 x 1.4 mm)

Table 1. Device summary

Order code

Package

Packaging

AS21P2THB

QFN10 (1.8 x 1.4 mm)

Tape and reel

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STMicroelectronics	AS21P2TLR	436Kb / 22P	Low voltage 0.5 Ω max dual single-pole double-throw analog switch with break-before-make 07-Mar-2014
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NXP Semiconductors	NX3L4684	592Kb / 24P	Dual low-ohmic single-pole double-throw analog switch Rev. 04-24 March 2010
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Texas Instruments	SN74LVC1G3157DSFR	1Mb / 28P	SINGLE-POLE DOUBLE-THROW ANALOG SWITCH
Texas Instruments	SN74LVC1G3157-Q1	902Kb / 21P	SINGLE-POLE DOUBLE-THROW ANALOG SWITCH
NXP Semiconductors	NX3L4684	349Kb / 24P	Low-ohmic dual single-pole double-throw analog switch Rev. 8-3 April 2014
Unisonic Technologies	U74LVC3157	203Kb / 5P	SINGLE-POLE,DOUBLE-THROW ANALOG SWITCH
NXP Semiconductors	NX3L2267	311Kb / 22P	Low-ohmic dual single-pole double-throw analog switch Rev. 5-18 June 2012
NXP Semiconductors	NX3L2267S	288Kb / 20P	Low-ohmic dual single-pole double-throw analog switch Rev. 2-8 November 2011
Texas Instruments	SN74LVC1G3157	2Mb / 42P	Single-Pole Double-Throw Analog Switch

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AS21P2THB 데이터시트(PDF) 1 Page - STMicroelectronics

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