IDTSTAC9273X5TAEA2X IDT, Integrated Device Technology Inc, IDTSTAC9273X5TAEA2X Datasheet - Page 28
IDTSTAC9273X5TAEA2X
Manufacturer Part Number
IDTSTAC9273X5TAEA2X
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDTSTAC9273X5TAEA2X.pdf
(228 pages)
Specifications of IDTSTAC9273X5TAEA2X
Single Supply Voltage (typ)
3.3V
Single Supply Voltage (min)
3.135V
Single Supply Voltage (max)
3.465V
Package Type
TQFP
Lead Free Status / RoHS Status
Compliant
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IDT™
STAC9271/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
3.3.
3.4.
3.5.
10-CHANNEL HIGH DEFINITION AUDIO CODEC
SPDIF Output
ADAT
Digital Microphone Support (STAC9274)
®
Output (STAC9274)
SPDIF Ouput can operate at 44.1 KHz, 48 KHz, 88.2 KHz and 96 KHz, as defined in the Intel High
Definition Audio Specification, with resolutions up to 24 bits. This insures compatibility with all con-
sumer audio gear and allows for convenient integration into home theater systems and media center
PCs.
ADAT
interface for up to 8 channels of uncompressed 24-bit data. Sample rates up to 192 KHz are sup-
ported for 2 channels, up to 96 KHz for 4 channels, or up to 48 KHz for 8 channels.
The digital microphone interface permits connection of a digital microphone(s) to the STAC9274 via
the DMIC0, DMIC1, and DMIC_CLK 3-pin interface. The DMIC0 and DMIC1 signals are inputs that
carry individual channels of digital Mic data to the codec. 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 STAC9274 supports the digital microphone configurations described in Tables 3 and 4, and
shown in Figures 1, 2 and 3, below.
Note: Some Digital Microphone implementations support data on either edge, therefore, an
external mux may not be required.
®
, or “Lightpipe” is available on the STAC9274. ADAT
IDT CONFIDENTIAL
28
®
STAC9271/9274
is a single bit stream optical digital
PC AUDIO
V 1.1 01/08
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