Datasheet > 92HD87

92HD87

更新时间： 2024-09-19 12:50:15

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
204页	3070K
描述
SINGLE CHIP PC AUDIO SYSTEM

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中文翻译

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92HD87 数据手册

DATASHEET

SINGLE CHIP PC AUDIO SYSTEM

CODEC+ STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO

92HD87

Description

Features

The 92HD87 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.

•

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

24-bit resolution

•

Supports full-duplex stereo audio and simultaneous VoIP

•

2W/channel stereo speaker amplifier @ 4 ohms and

4.75V

The high integration of the 92HD87 and the 40QFN

package enables the smallest PCB footprint with the lowest

system BOM count and cost.

Two headphone amplifiers

•

One capless and one non-capless retaskable

The 92HD87 provides high quality HD Audio capability to

notebook and business desktop PC applications.

•

Internal LDO for digital core supply

+5 V analog power supply option

Dedicated BTL high pass filter for speaker

protection (RA revision only)

•

Full HDA015-B 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

•

Support for 1.5V and 3.3V HDA signaling

Digital microphone inputs (mono or stereo)

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 + stereo

speaker differential output)

•

Analog and digital PC Beep support

40-pad QFN RoHS package

IDT CONFIDENTIAL

V 0.995 01/11

92HD87

12 3 4 5 6 7...204

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与92HD87相关器件

型号	品牌	获取价格	描述	数据表
92HD88B1X5NDGXTAX	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B1X5NDGXTAX8	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B1X5NDGXYYX	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B1X5NDGXYYX8	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B2X5NDGXRAX	IDT	获取价格	Consumer Circuit, PQCC40
92HD88B2X5NDGXRAX8	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B2X5NDGXTAX	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B2X5NDGXTAX8	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B2X5NDGXYYX	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40
92HD88B3X5NDGXRAX	IDT	获取价格	Consumer Circuit, ROHS COMPLIANT, QFN-40