IDT92HD005XX5NLGXB2X IDT, Integrated Device Technology Inc, IDT92HD005XX5NLGXB2X Datasheet - Page 14
IDT92HD005XX5NLGXB2X
Manufacturer Part Number
IDT92HD005XX5NLGXB2X
Description
IC AUDIO CODEC HD 4CH 48-VFQFPN
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDT92HD005XX3NLGXB2X8.pdf
(190 pages)
Specifications of IDT92HD005XX5NLGXB2X
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
90 / 95
Dynamic Range, Adcs / Dacs (db) Typ
90 / 95
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.28 V ~ 4.73 V; 4.75 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-VFQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
92HD005XX5NLGXB2X
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IDT™
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
1.3.
Detailed Description
1.3.1.
1.3.2.
I/O Controller Hub (ICH)
Low-voltage High Definition Audio Link Signaling
The 92HD005/92HD005D are compatible with either 1.5 V or 3.3 V High Definition Audio Link signal-
ing; the voltage selection is performed dynamically based on the input voltage of DVDD_IO. Note
that DVDD_IO is not a logic configuration pin but provides the digital power supply to be used for the
High Definition Audio Link signals.
When in 1.5 V mode, the 92HD005/92HD005D can correctly decode BITCLK, SYNC, RESET# and
SDO because they operate at 1.5 V. Additionally, it will drive SDI_CODEC at 1.5 V. None of the
GPIOs are affected, as they always function at their nominal voltage (DVDD or AVDD).
Digital Microphone Support
The
92HD005/92HD005D via the DMIC0, DMIC1, and DMIC_CLK three-pin interface. The DMIC0 and
DMIC1 pins carry either 1 or 2 channels of digital microphone data to the 92HD005/92HD005D. In
the event that a single microphone is used, the data is routed to both ADC channels.
The DMIC_CLK output is programmable from 1.176 MHz to 4.704 MHz in 1.176 MHz increments
and is synchronous to the 24 MHz internal clock. The default frequency is 2.352 MHz.
The 92HD005/92HD005D supports the digital microphone configurations listed in Table 1.
digital
microphone
HD Audio Bus
Figure 2. System Diagram
interface
14
permits
92HD005
connection
92HD005/92HD005D
of
Speakers
Head Phone
Sub Woofer
Line In
Microphone
digital
microphones
PC AUDIO
V 1.1 4/08
to
the
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