Datasheet > DIO4483/B

DIO4483/B

更新时间： 2024-09-26 17:01:19

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
27页	1052K
描述
The DIO4483/4483B is a high-performance USB Type-C analog switch for use in portable multimedia de

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DIO4483/B 数据手册

Rev 1.6

DIO4483/4483B

USB Type-C Analog Audio Switch with Protection

Function and Comparator

Features

Descriptions



Power supply voltage range: 2.55 V to 5.5 V

The DIO4483/4483B is a high-performance USB

Type-C analog switch for use in portable

multimedia devices, supporting analog audio

headsets. The DIO4483/4483B can detect OMTP,

CTIA, or 3-pole headsets and configure pinouts



Version information:

DIO4483: default: DP_R~DP; DN_L~DN;

SBU1~SBU1_H; SBU2~SBU2_H turn on

DIO4483B: default: DP_R~DP; DN_L~DN

turn on

USB 2.0 high speed switch:

automatically.

The

DIO4483/4483B



common Type-C pins to pass USB 2.0 signals and

analog audio signals; the sideband uses wires

−3 dB bandwidth: 950 MHz

4.6 Ω R_ONtypical

and

analog

microphone

signals.

The

Audio switch

DIO4483/4483B also supports high voltage and

surge on SBUx pins and USB pins on the USB

Type-C receptacle side. The internal ultra-low

power comparator has a typical power supply

current of 0.3 μA. It has the best-in-class power

supply current versus propagation delay

performance. Featuring a push-pull output stage,

the comparator allows operation with the absolute

minimum power consumption when driving any

capacitive or resistive load.

Negative rail capability: −3.6 V to 3.6 V

THD+N = -110 dB, 1 V_RMS

f = 20 Hz ~ 20 kHz,

32 Ω load

−3 dB bandwidth: 800 MHz

1.2 Ω R_ONtypical



UART high speed switch:

−3 dB bandwidth: 800 MHz

10 Ω R_ONtypical

High voltage protection

Block Diagram

+20 V DC tolerance on USB Type-C pins

±25 V surge capable on USB Type-C pins

±8 kV HBM ESD



Over voltage protection:

DP_R, DN_L, SBU1/SUB2/GSBU1/GSBU2

V_TH= 4.4 V (default), 4.4 V ~ 5.0 V

configurable, 0.2 V/step

Support OMTP, CTIA and 3-pole audio jack

pinout



Built-in comparator, normally active

25-ball WLCSP package (2.24 mm × 2.28 mm)

Applications



Mobile phones

Tablets

Notebook PCs

Media players

Figure 1. Application Block Diagram

www.dioo.com

DIO4483/4483B• Rev. 1.6

12 3 4 5 6 7...27

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