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ELECTRICAL CHARACTERISTICS

PCM2904

PCM2906

SLES042C – JUNE 2002 – REVISED NOVEMBER 2007

All specifications at TA = 25°C, VBUS, = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data (unless otherwise noted)

PCM2904DB, PCM2906DB

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

DIGITAL INPUT/OUTPUT

Host interface

Apply USB Revision 1.1, full speed

Audio data format

USB isochronous data format

INPUT LOGIC

VIH

(1)

2

3.3

VIL

(1)

0.8

VIH

(2) (3)

2.52

3.3

VIL

(2) (3)

0.9

Input logic level

Vdc

VIH

(4)

2

5.25

VIL

(4)

0.8

VIH

(5)

2.52

5.25

VIL

(5)

0.9

IIH

(1) (2) (4)

VIN = 3.3 V

±10

IIL

(1) (2) (4)

VIN = 0 V

±10

IIH

(3)

VIN = 3.3 V

50

80

Input logic current

µA

IIL

(3)

VIN = 0 V

±10

IIH

(5)

VIN = 3.3 V

65

100

IIL

(5)

VIN = 0 V

±10

OUTPUT LOGIC

VOH

(1)

2.8

VOL

(1)

0.3

VOH

(6)

IOH = –4 mA

2.8

Output logic level

Vdc

VOL

(6)

IOL = 4 mA

0.5

VOH

(7)

IOH = –2 mA

2.8

VOL

(7)

IOL = 2 mA

0.5

CLOCK FREQUENCY

Input clock frequency, XTI

11.994

12

12.006

MHz

ADC CHARACTERISTICS

Resolution

8, 16

bits

Audio data channel

1, 2

channel

CLOCK FREQUENCY

8, 11.025, 16, 22.05, 32,

fs

Sampling frequency

kHz

44.1, 48

DC ACCURACY

Gain mismatch, channel-to-channel

±1

±5

% of FSR

Gain error

±2

±10

% of FSR

Bipolar zero error

±0

% of FSR

(1)

Pins 1, 2: D+, D–

(2)

Pin 21: XTI

(3)

Pins 5, 6, 7: HID0, HID1, HID2

(4)

Pins 8, 9: SEL0, SEL1

(5)

Pin 24: DIN

(6)

Pin 25: DOUT

(7)

Pin 28: SSPND

Copyright © 2002–2007, Texas Instruments Incorporated

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Product Folder Link(s): PCM2904 PCM2906