IDT92HD99B4X5NDGXYAX IDT, Integrated Device Technology Inc, IDT92HD99B4X5NDGXYAX Datasheet - Page 14
IDT92HD99B4X5NDGXYAX
Manufacturer Part Number
IDT92HD99B4X5NDGXYAX
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT92HD99B4X5NDGXYAX.pdf
(226 pages)
Specifications of IDT92HD99B4X5NDGXYAX
Lead Free Status / RoHS Status
Compliant
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92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
2.3.
2.4.
1.
ADC Multiplexers
Power Management
Reference Bias generator
Digital Microphone inputs
No DAC or ADC streams are active. Analog mixing and loop thru are supported.
Reference Bandgap core
ADC Volume Control
Cap-less HP Amps
Analog PC_Beep
Digital PC_Beep
Mixer Volumes
Analog Clocks
HD Audio-Link
Analog mixer
VrefOut Pins
Lo/HP Amps
Input Boost
Port Sense
GPIO pins
Function
BTL Amp
VAG amp
Ref ADC
The codec implements 2 ADC input multiplexers. These multiplexers incorporate the ADC record
gain function :(-16 to +30dB gain in 1dB steps) as an output amp and allow a preselection of one of
below possible inputs:
•
•
•
•
•
The HD Audio specification defines power states, power state widgets, and power state verbs.
Power management is implemented at several levels. The Audio Function Group (AFG) , all con-
verter widgets, and all pin complexes support the power state verb F05/705. Converter widgets are
active in D0 and inactive in D1-D3.
The following table describes what functionality is active in each power state.
DAC
ADC
D2S
Port A
Port C
Port F
Mixer Output
DMIC 0
On
On
On
On
On
On
On
On
On
On
On
On
On
On
D0
On
On
On
On
On
On
On
On
Table 4. Power Management
D1
Off
Off
Off
Off
Off
Off
Off
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
1
14
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
On
On
On
On
On
On
On
On
On
On
D2
Low Drive
Low Drive
Low Drive
Low Drive
On
On
On
On
D3
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
On
On
5
5
4
5
2
2
2
3
Low Drive
Low Drive
Low Drive
D3cold
Limited
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
Off
Off
Off
On
On
2
2
Specific D4
Low Drive
Low Drive
Low Drive
Vendor
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
Off
Off
Off
On
On
Off
2
2
SpecificD5
V 0.91 10/10
Vendor
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
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