Datasheet > CMI8738

CMI8738

更新时间： 2022-10-12 13:33:40

品牌	Logo	应用领域
骅讯 - CMEDIA		PC
页数	文件大小	规格书
32页	742K
描述
PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip

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CMI8738 数据手册

CMI8738

PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip

6. Electrical Characteristics

6.1 Absolute Maximum Ratings

Ratings

Symbol

VDD

Value

VDD5%

AVDD5%

0 to 70

-40 to 125

300

Units

Digital power voltage

AVDD

Analog power voltage

C

Operating temperature range

Storage temperature range

Maximum power dissipation

TST

C

PDMAX

6.2 Digital Characteristics

PARAMETER

Input high voltage(PCI I/O)

Input low voltage (PCI I/O)

Output high voltage

Symbol

VIH

Min

Typ

Max

VDD+0.3

0.8

Unit

VIL

-0.5

2.4

0.0

VOH

VOL

VDD

0.2

2.6

2.4

VDD

GND

0.4

Output low voltage

VIH1

VIL1

SPDIF IN input high voltage

SPDIF IN input low voltage

SPDIF output high voltage

SPDIF output low voltage

Output low current

VOH1

VOL1

6.3 Audio Characteristics

PARAMETER

Analog input voltage

Analog output voltage

A-A S/N ratio

Symbol

Avin

Min

Typ

1.1

Max

Unit

Vrms

Avout

0.02

A-A THD

ADC S/N ratio

0.1

ADC THD

DAC S/N ratio

0.05

120

DAC THD

SPDIF IN/OUT S/N ratio

SPDIF IN/OUT THD

Microphone input level

Microphone booster

200

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