92hd88b4x5ndg Integrated Device Technology, 92hd88b4x5ndg Datasheet
92hd88b4x5ndg
Manufacturer Part Number
92hd88b4x5ndg
Description
Single Chip Pc Audio System Codec+mono Speaker Amplifier+capless Hp+ldo
Manufacturer
Integrated Device Technology
Datasheet
1.92HD88B4X5NDG.pdf
(277 pages)
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SINGLE CHIP PC AUDIO SYSTEM
CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
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. The high
integration of the 92HD88 enables the smallest PCB
footprint with the lowest system BOM count and cost. The
92HD88 provides high quality HD Audio capability to
notebook and business desktop PC applications.
Features
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Block Diagram
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
4 Channels (2 stereo DACs and 2 stereo ADCs)
with 24-bit resolution
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2W mono speaker amplifier @ 4 ohms and 4.75V
Two headphone amplifiers
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Internal core voltage regulator
+5 V analog power supply option
Supports full-duplex stereo audio and simultaneous
VoIP
Provides a mono output
One capless and one non-capless retaskable
PRELIMINARY DATASHEET
DUAL SPDIF
1
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Full ECR15B low power support
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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)
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
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
92HD88
SPDIF Out 1
Port A (HP)
Port C
Port B (cap-less HP/LO)
Port F
SPDIF Out 0
Port D (BTL)
DATASHEET
92HD88
V 0.94 07/11
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