Datasheet > 92HD88B1X5NDGXYYX

92HD88B1X5NDGXYYX

更新时间： 2024-09-19 06:34:27

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
258页	2956K
描述
Consumer Circuit, ROHS COMPLIANT, QFN-40

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DATASHEET

SINGLE CHIP PC AUDIO SYSTEM

CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO

92HD88

Description

Features

The 92HD88 single-chip audio system is a low power

optimized, high fidelity, 4-channel audio codec with

integrated mono speaker amplifier, capless headphone

amplifier, and low drop out voltage regulator.

•

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

24-bit resolution

•

Supports full-duplex stereo audio and simultaneous VoIP

Provides a mono output

•

2W mono speaker amplifier @ 4 ohms and 4.75V

Two headphone amplifiers

The high integration of the 92HD88 enables the smallest

PCB footprint with the lowest system BOM count and cost.

•

One capless and one non-capless retaskable

The 92HD88 provides high quality HD Audio capability to

notebook and business desktop PC applications.

•

Internal core voltage regulator

+5 V analog power supply option

Dedicated BTL high pass filter for speaker

protection (RA revision only)

•

Full ECR15B low power support

•

Audio inactivity transitions codec from D0 to D3 low

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 premium logo compliant, as defined

in WLP 3.9

Dual SPDIF for WLP compliant support of

simultaneous HDMI and SPDIF output

•

Support for 1.5V and 3.3V HDA signaling

Two digital microphone inputs (mono, stereo, or

quad microphones)

•

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

High performance analog mixer

2 adjustable VREF Out pins for analog microphone

bias

•

5 analog ports with port presence detect (4 single

ended, 1 BTL)

•

Analog and digital PC Beep support

40-pad QFN RoHS packages

IDT CONFIDENTIAL

V 0.995 01/11

92HD88

12 3 4 5 6 7...258

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