PCM2900_08 datasheet(4/35 Pages) BURR-BROWN

Part #	PCM2900

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

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

Direct Link	http://www.burr-brown.com

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ELECTRICAL CHARACTERISTICS

PCM2900

PCM2902

SLES035E – MARCH 2007 – REVISED MARCH 2008

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

PCM2900E, PCM2902E

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

CLOCK FREQUENCY

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

fS

Sampling frequency

kHz

48

DC ACCURACY

% of

Gain mismatch, channel-to-channel

±1

±5

FSR

% of

Gain error

±2

±10

FSR

% of

Bipolar zero error

±0

FSR

DYNAMIC PERFORMANCE(1)

VCCCI = 3.67 V, VIN = –0.5 dB

(2)

0.01%

0.02%

THD+N

Total harmonic distortion plus noise

VIN = –0.5 dB

(3)

0.1%

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 VCCCI

Vp-p

Center voltage

0.5 VCCCI

V

Input impedance

30

k

Ω

–3 dB

150

kHz

Antialiasing filter frequency response

fIN = 20 kHz

–0.08

dB

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fS

Hz

Stop band

0.583 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

65

dB

td

Delay time

17.4/fS

s

LCF frequency response

–3 dB

0.078 fS

MHz

DAC CHARACTERISTICS

Resolution

8, 16

bits

Audio data channel

1, 2

channel

CLOCK FREQUENCY

fS

Sampling frequency

32, 44.1, 48

kHz

(1)

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

calculation.

(2)

Using external voltage regulator for VCCCI (as shown in Figure 36 and Figure 37, using with REG103xA-A)

(3)

Using internal voltage regulator for VCCCI (as shown in Figure 38 and Figure 39)

4

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Product Folder Link(s): PCM2900 PCM2902

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