PCM2912 datasheet(3/32 Pages) TI

Nome de Peças	PCM2912

Descrição Electrónicos	AUDIO CODEC WITH USB INTERFACE, MONO MICROPHONE INPUT AND STEREO HEADPHONE OUTPUT

PDF	32 Pages

Scroll/Zoom	100%

Fabricante Electrônico	TI [Texas Instruments]

Página de início	http://www.ti.com

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ELECTRICAL CHARACTERISTICS

PCM2912

SLES216 – FEBRUARY 2008

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

PCM2912PJT

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

DIGITAL INPUT/OUTPUT

Host interface

Apply USB Revision 2.0, full-speed

Audio data format

USB isochronous data format

INPUT LOGIC

VIH

3.3

Input logic level

VDC

VIL

0.8

IIH

(1) (2)

VIN = 3.3 V

±10

µA

IIL

(1) (2)

VIN = 0 V

±10

Input logic current

IIH

(3)

VIN = 3.3 V

100

µA

IIL

(3)

VIN = 0 V

±10

OUTPUT LOGIC

VOH

(1)

IOH = –10 mA

2.9

VOL

(1)

IOL = 10 mA

0.3

VOH

(4)

Output logic level

IOH = –2 mA

2.8

VDC

VOL

(4)

IOL = 2 mA

0.5

VOL

(5)

IOL = 8 mA

0.5

IOH

(5)

Output leak current

VIN = 5 V

±10

µA

CLOCK FREQUENCY

Input clock frequency, XTI

5.997

6.000

6.003

MHz

MICROPHONE BIAS

Output voltage

0.75 VCCA

VDC

Output current

Output noise

RL = 1 kΩ

µVrms

(1)

Pins 3, 4: D–, D+.

(2)

Pins 8, 23, 24, 27, 28: XTI, MAMP, POWER, TEST1, TEST0

(3)

Pin 30: MMUTE

(4)

Pins 7, 29: XTO, SSPND

(5)

Pins 31, 32: REC, PLAY.

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