PCM2901EG4 datasheet(4/37 Pages) TI1

Part #	PCM2901EG4

Description	STEREO AUDIO CODEC WITH USB INTERFACE SINGLE-ENDED ANALOG INPUT/OUTPUT AND S/PDIF

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Manufacturer	TI1 [Texas Instruments]

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ELECTRICAL CHARACTERISTICS

PCM2901

PCM2903

SLES034C – MARCH 2002 – REVISED NOVEMBER 2007

All specifications at TA = 25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ADC CHARACTERISTICS

Resolution

8, 16

bits

Audio data channel

1, 2

channel

Clock Frequency

fS

Sampling frequencies

8, 11.025, 16, 22.05, 32, 44.1, 48

kHz

DC Accuracy

Gain mismatch, channel-to-channel

±1

±5

% of FSR

Gain error

±2

±10

% of FSR

Bipolar zero error

±0

% of FSR

Dynamic Performance(1)

VIN = –0.5 dB

0.01%

0.02%

THD+N

Total harmonic distortion plus noise

VIN = –60 dB

5%

Dynamic range

A-weighted

81

89

dB

SNR

Signal-to-noise ratio

A-weighted

81

89

dB

Channel separation

80

85

dB

Analog Input

Input voltage

0.6 VCCC

Vp-p

Center voltage

0.5 VCCC

V

Input impedance

30

k

Ω

–3 dB

150

kHz

Antialising filter frequency response

fIN = 20 kHz

–0.08

dB

Digital Filter Performance

Pass band

0.454 fS

Hz

Stop band

0.563 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

–65

dB

td

Delay time

17.4/fS

s

LCF frquency response

–3 dB

0.078 fS

MHz

(1)

fIN = 1 kHz, using a System Two™ audio measurement system by Audio Precision™ in RMS mode with a 20-kHz LPF and 400-Hz HPF

in the calculation.

4

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