92hd83 Integrated Device Technology, 92hd83 Datasheet
92hd83
Manufacturer Part Number
92hd83
Description
Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
Manufacturer
Integrated Device Technology
Datasheet
1.92HD83.pdf
(294 pages)
SINGLE CHIP PC AUDIO SYSTEM
CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
The 92HD83 single-chip audio system is a low power
optimized, high fidelity, 6-channel audio codec with
integrated speaker amplifier, dual capless headphone
amplifier, and low drop out voltage regulator. The high
integration of the 92HD83 enables the smallest PCB
footprint with the lowest system BOM count and cost. The
92HD83 provides high quality HD Audio capability to
multi-media notebook.
Features
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•
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Block Diagram
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
6 Channels (3 stereo DACs and 2 stereo ADCs) with
24-bit resolution
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•
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2W/channel stereo speaker amplifier @ 4 ohms and
4.75V
•
Two capless headphone amplifiers
Internal core voltage regulator
•
+3.3 V, +4.75 V & +5 V analog power supply options
Supports full-duplex stereo audio and simultaneous VoIP
Supports 5.1 Audio
Provides a mono output
1W/ch at 4 ohms and 3.3V
1.5V to 1.8V or 3.3V digital power supply options
DUAL SPDIF
1
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•
•
•
•
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•
•
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•
•
X
Full ECR15B low power support
•
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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
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
6 analog ports with port presence detect (5 single
ended, 1 BTL)
Analog and digital PC Beep support
Aux Audio Mode
48-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
92HD83
(see orderable part numbers for support)
Port A (cap-less HP)
Port B (cap-less HP)
Port C
SPDIF Out 1
Port E
Port F
SPDIF Out 0
Port D (Speaker Amp)
DATASHEET
92HD83
V 0.96 01/09
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