IDTSTAC9204X5TAEB2X IDT, Integrated Device Technology Inc, IDTSTAC9204X5TAEB2X Datasheet - Page 53
IDTSTAC9204X5TAEB2X
Manufacturer Part Number
IDTSTAC9204X5TAEB2X
Description
IC AUDIO CODEC 4CH HD 5V 48-LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDTSTAC9204X3TAEB2XR.pdf
(190 pages)
Specifications of IDTSTAC9204X5TAEB2X
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
98 / 103
Dynamic Range, Adcs / Dacs (db) Typ
98 / 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-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9204X5TAEB2X
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Quantity
Price
Company:
Part Number:
IDTSTAC9204X5TAEB2X
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
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Company:
Part Number:
IDTSTAC9204X5TAEB2XR
Manufacturer:
IDT, Integrated Device Technology Inc
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IDT™
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
[31:7]
[6:5]
[3:0]
Bit
[7]
[4]
Bitfield Name
SPDIFPinLvl
VAGRamp
Override
IBIAS
Rsvd
Table 63. AFG Supply Command Response Format
RW
RW
RW
RW
RW
53
R
Reset
0x0
0x0
0x0
0x1
0x0
Reserved
An internal power supply anti-pop circuit
prevents audible clicks and pops from being
heard when the CODEC is powered on and
off. This function is accomplished by
delaying the charge/discharge of the VREF
capacitor. A value of C
cause a turn-on delay of roughly 3 seconds,
which will allow the power supplies to
stabilize before the CODEC outputs are
enabled. The recommended value of
C
30 seconds. The CODEC outputs are also
kept stable for the same amount of time at
power-off to allow the system to be
gracefully turned off. Setting the VAGRamp
bit speeds up the ramp rate by 10X
(degrading the anti-pop performance), for
easier production testing. Any external
component anti-pop circuit is unaffected by
the internal circuit.
00 = Normal Current
01 = 80% nominal Analog Current
10 = 120% nominal Analog Current
11 = 140% nominal Analog Current
0 = low-level SPDIF Input (special buffer for
1 = standard SPDIF Input (for high level
Supply Override Control.
[0] = invert ADC supply
[1] = invert DAC supply
[2] = supply value
[3] = supply override enable
VREF
low level signals)
signals)
STAC9204/9205
= 10 μF will extend the delay to
Description
VREF
= 1 μF will
PC AUDIO
V 1.0 12/06
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