92HD87 Datasheet PDF | IDT





(Datasheet) 92HD87 pdf Download

Part Number 92HD87
Description SINGLE CHIP PC AUDIO SYSTEM
Manufacture IDT
Total Page 30 Pages
PDF Download Download 92HD87 Datasheet PDF

Features: DATASHEET SINGLE CHIP PC AUDIO SYSTEM CO DEC+ STEREO SPEAKER AMPLIFIER+CAPLESS H P+LDO 92HD87 4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolut ion • Supports full-duplex stereo aud io and simultaneous VoIP Description T he 92HD87 single-chip audio system is a low power optimized, high fidelity, 4- channel audio codec with integrated spe aker amplifier, capless headphone ampli fier, and low drop out voltage regulato r. The high integration of the 92HD87 a nd the 40QFN package enables the smalle st PCB footprint with the lowest system BOM count and cost. The 92HD87 provide s high quality HD Audio capability to n otebook and business desktop PC applica tions. Features • • • • • • 2W/channel stereo speaker ampli fier @ 4 ohms and 4.75V Two headphone a mplifiers • One capless and one non-c apless retaskable Internal LDO for dig ital core supply +5 V analog power supp ly option Dedicated BTL high pass filte r for speaker protection (RA revision only) Full HDA015-B low power support • • •.

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92HD87 datasheet
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.
The high integration of the 92HD87 and the 40QFN
package enables the smallest PCB footprint with the lowest
system BOM count and cost.
• 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
• 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
http://www.DataSheet4U.net/
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
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 0.995 01/11
92HD87
datasheet pdf - http://www.DataSheet4U.net/

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