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PCM2900 Datasheet(Fiches technique) 3 Page - Texas Instruments

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Numéro de pièce PCM2900
Description  STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE ENDED ANALOG INPUT/OUTPUT AND S/PDIF
Télécharger  32 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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PCM2900
PCM2902
SLES035B − MARCH 2002 − REVISED JUNE 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS
all specifications at TA = 25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted
PARAMETER
TEST CONDITIONS
PCM2900E, PCM2902E
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Input/Output
Host interface
Apply USB Revision 1.1,
full speed
Audio data format
USB isochronous data format
Input Logic
D+, D−
2
3.3
VIH
High-level input voltage
XTI, HID0, HID1, and HID2
2.52
3.3
VDC
VIH
High-level input voltage
SEL0, SEL1
2
5.25
VDC
DIN, PCM2902
2.52
5.25
D+, D−
0.8
VIL
Low-level input voltage
XTI, HID0, HID1, and HID2
0.9
VDC
VIL
Low-level input voltage
SEL0, SEL1
0.8
VDC
DIN, PCM2902
0.9
D+, D−, XTI, SEL0, SEL1
VIN = 3.3 V
±10
IIH
High-level input current
HID0, HID1, and HID2
VIN = 3.3 V
50
80
µA
IIH
High-level input current
DIN, PCM2902
VIN = 3.3 V
65
100
µA
D+, D−, XTI, SEL0, SEL1
VIN = 0 V
±10
IIL
Low-level input current
HID0, HID1, and HID2
VIN = 0 V
±10
µA
IIL
Low-level input current
DIN, PCM2902
VIN = 0 V
±10
µA
Output Logic
D+, D−
2.8
VOH
High-level output voltage
DOUT, PCM2902
IOH = –4 mA
2.8
VDC
VOH
High-level output voltage
SSPND
IOH = –2 mA
2.8
VDC
D+, D−
0.3
VOL
Low-level output voltage
DOUT, PCM2902
IOL = 4 mA
0.5
VDC
VOL
Low-level output voltage
SSPND
IOL = 2 mA
0.5
VDC
Clock Frequency
Input clock frequency, XTI
11.994
12
12.006
MHz
ADC Characteristics
Resolution
8, 16
bits
Audio data channel
1, 2
channel




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