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DIO4480

更新时间： 2024-04-09 18:59:58

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
27页	765K
描述
DIO4480 is a high performance USB Type?C analog switch used in portable multimedia devices, which

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Rev 1.2

DIO4480

USB Type-C Analog Audio Switch with Protection

Function

Features

Descriptions



Power Supply Voltage Range : 2.7V to 5.5V

DIO4480 is a high performance USB Type−C

analog switch used in portable multimedia devices,

which supports analog audio headsets. DIO4480

can detect OMTP, CTIA or 3-Pole headset and

configurate pinout automatically. DIO4480 shares

common Type−C pins to pass USB2.0 signal and

analog audio signal, sideband use wires and

analog microphone signal. DIO4480 also supports

high voltage and surge on SBUx pins and USB

pins on USB Type−C receptacle side.



USB2.0 High Speed Switch:

-

-

−3dB bandwidth: 1.0GHz

4.6Ω R_ONTypical



Audio Switch

-

-

Negative Rail Capability: −3.6V to 3.6V

THD+N=-110dB, 1V_RMS, f=20Hz~20kHz,

32Ω Load

-

-

−3dB bandwidth: 900MHz

1.2Ω R_ONTypical





High Voltage Protection

-

-

-

+20V DC Tolerance on USB Type-C Pins

±25V Surge Capable on USB Type-C Pins

±8kV HBM ESD

Over Voltage Protection:

Block Diagram

-

-

DP/R,DN/L V_TH= 4.8V (Typ)

SBU1/SUB2/GSBU1/GSBU2 V_TH= 4.5V

(Typ)

CC

Logic ^CC1

CC2





Support OMTP,CTIA and 3-Pole audio jack

Pinout

VCC

SCL

SCL

25-Ball WLCSP Package (2.24mm*2.28mm)

SDA

SDA

ENN

ADDR

GPIO1

GPIO2

CC_IN

USB Type-C

Receptacle

AP

GPIO3

INT

DET

INT

GND

GND

SSRXp1

SSRXn1

SSTX p1

L

DN_L

DP_R

n1

SSTX

DN

VBUS

CC1

VBUS

SBU2

DN

DP

R

DP

Applications

DN

DP

DP

DN

GSBU2

CC2

SBU1

SENSE









Mobile Phone

VBUS

SSTXn2

SSTXp2

GND

VBUS

n2

SSRX

HPL

HPR

GSBU1

SBU2

SSRXp2

GND

Tablet

SENSE

MIC

MIC

Notebook PC

Media Player

SB

1

U

SBU2_H

Audio Codec

AUX+

AUX-

SBU1_H

GND

AGND

DP Controller

Figure 1. Application Block Diagram

www.dioo.com

© 2021 DIOO MICROCIRCUITS CO., LTD

DIO4480• Rev. 1.2

12 3 4 5 6 7...27

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