IDTSTAC9251H5TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9251H5TAEA1XR Datasheet - Page 17
IDTSTAC9251H5TAEA1XR
Manufacturer Part Number
IDTSTAC9251H5TAEA1XR
Description
IC AUDIO CODEC 2CH HD 5V 48-LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDTSTAC9250G3TAEA1XR.pdf
(137 pages)
Specifications of IDTSTAC9251H5TAEA1XR
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
89 / 100
Dynamic Range, Adcs / Dacs (db) Typ
88 / 99
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 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
STAC9251H5TAEA1XR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDTSTAC9251H5TAEA1XR
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
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IDT™
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
3.6.
3.7.
Headphone Drivers (Restrictions)
Universal Jacks
It is not recommended that users operate both Port A and Port D as headphone drivers simulta-
neously. Using both ports as headphone drivers degrades the signal quality of both outputs.
IDT’s Universal Jacks™ technology allows for flexibility in board design and implementation.
On the STAC9250/9251
input and output at the same time. However, the selected function can be changed at any time.
For the STAC9250/9251
•
•
Note: 1) Headphone capabilities are on Port A (pins 39/41) and Port D (pins 35/36). Do NOT put
headphone loads on both sets of pins at the same time.
Note: 1) Headphone capabilities are on Port A (pins 39/41) and Port D (pins 35/36). Do NOT put
headphone loads on both sets of pins at the same time.
Note: 2) When the 40dB mic boost feature is enabled, additional gain increases greater than 6dB
may result in significant audio quality degradation of the microphone audio input. In particular,
when the 40dB MIC boost is active, the SNR, THD+N and DC offset will significantly degrade
regardless of the input signal level.
All of the STAC9250/9251 ports support:
• Line Out
• Line In
• Mic with 0/10/20/30/40
Ports A and D also support:
• Headphone Out
™
1
,
,
only one function can be selected at a time. A set of pins cannot be set as
the Universal Jacks capabilities are as follows
2
dB Mic Boost
17
STAC9250/9251
PC AUDIO
V 1.2 01/08
1
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