PCM2900

PCM2902

SLES035C − MARCH 2002 − REVISED MARCH 2007

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