IDTSTAC9274D5TAEB4X IDT, Integrated Device Technology Inc, IDTSTAC9274D5TAEB4X Datasheet - Page 55
IDTSTAC9274D5TAEB4X
Manufacturer Part Number
IDTSTAC9274D5TAEB4X
Description
IC AUDIO CODEC 10CH HD 5V 48TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDTSTAC9274X5TAEA2XR.pdf
(228 pages)
Specifications of IDTSTAC9274D5TAEB4X
Resolution (bits)
24 b
Number Of Adcs / Dacs
3 / 5
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
90 / 105
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-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9274D5TAEB4X
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDTSTAC9274D5TAEB4X
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Company:
Part Number:
IDTSTAC9274D5TAEB4XR
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
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IDT™
STAC9271/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.22. AFG DACMode
[31.:7]
[31.:7]
[3.:0]
[6.:5]
[3.:0]
Bit
[6]
[5]
[4]
Bit
[4]
Set1
Get
Bitfield Name
ADCMixDAC
Bitfield Name
FadeFast
FadeLog
Rsvd2
Rsvd
SplyOvr
PinLvl
IBIAS
Rsvd
Table 57. AFG DACMode
Table 55. AFG Sply
Table 56. AFG DACMode
IDT CONFIDENTIAL
Verb ID
FEB
7EB
RW
RW
RW
RW
R
R
RW
RW
RW
RW
R
55
Reset
0x0
0x0
0x0
0x0
0x0
Reset
0x0
0x0
0x1
0x0
Command Response Format
See bits [7:0] of bitfield table.
Command Response Format
Command Verb Format
Reserved
Enable mixing of ADC with DAC signal (for karaoke)
Gain ramps at the maximum rate
Gain ramping is dB linear instead of voltage linear
over time
Reserved
Reserved
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 low
level signals)
1= standard SPDIF Input (for high level signals)
Supply Override Control. See Table below.
[0] = invert ADC supply;
[1] = invert DAC supply;
[2] = supply value;
[3] = supply override enable
Payload
00
STAC9271/9274
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO
V 1.1 01/08
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