Datasheet > 92HD81B1C5NLGXTAX8

92HD81B1C5NLGXTAX8

更新时间： 2022-12-01 20:05:43

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
289页	3502K
描述
PCM Codec, 1-Func, ROHS COMPLIANT, QFN-48

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DATASHEET

SINGLE CHIP PC AUDIO SYSTEM

CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO

92HD81

•

Full ECR15B low power support

Description

•

Audio inactivity transitions codec from D0 to D3 low

The 92HD81 single-chip audio system is a low power

optimized, high fidelity, 4-channel audio codec with

integrated speaker amplifier, capless headphone amplifier,

and low drop out voltage regulator. The high integration of

the 92HD81 enables the smallest PCB footprint with the

lowest system BOM count and cost. The 92HD81 provides

high quality HD Audio capability to notebook and business

desktop PC applications.

power mode

•

Resume from D3 to D0 with audio activity in < 10 msec

D3 to D0 transition with < -65dB pop/click

Port presence detect in D3 with or without bit clock

Optional analog PC beep in D3

Additional vendor specific modes for even lower power

•

Microsoft WLP 3/4/5 premium logo compliant, as

defined in WLP 3.9

Dual SPDIF for WLP compliant support of

simultaneous HDMI and SPDIF output

Features

•

4 Channels (2 stereo DACs and 2 stereo ADCs) with

•

Support for 1.5V and 3.3V HDA signaling

24-bit resolution

Two digital microphone inputs (mono, stereo, or

quad microphones)

•

Supports full-duplex stereo audio and simultaneous VoIP

Provides a mono output

•

2W/channel stereo speaker amplifier @ 4 ohms and

4.75V

•

High performance analog mixer

2 adjustable VREF Out pins for analog microphone

bias

Two headphone amplifiers

•

One capless and one non-capless retaskable

Internal core voltage regulator

1.5V to 1.8V or 3.3V digital power supply options

+5 V analog power supply option

•

6 analog ports with port presence detect (5 single

ended, 1 BTL)

•

Analog and digital PC Beep support

Aux Audio Mode ^{(see orderable part numbers for support)}

48-pad QFN RoHS packages

Block Diagram

Port A (HP)

Port B (cap-less HP/LO)

Port C

Port D (BTL)

Port E

Port F

SPDIF Out 0

SPDIF Out 1

DUAL SPDIF

92HD81

V 0.987 11/09

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO

12 3 4 5 6 7...289

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